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-rw-r--r--drivers/clk/Kconfig10
-rw-r--r--drivers/clk/Makefile7
-rw-r--r--drivers/clk/clk-divider.c25
-rw-r--r--drivers/clk/clk-gate.c25
-rw-r--r--drivers/clk/clk-mux.c17
-rw-r--r--drivers/clk/clk-nomadik.c576
-rw-r--r--drivers/clk/clk-nspire.c153
-rw-r--r--drivers/clk/clk-ppc-corenet.c280
-rw-r--r--drivers/clk/clk-si5351.c79
-rw-r--r--drivers/clk/clk-si5351.h1
-rw-r--r--drivers/clk/clk-twl6040.c4
-rw-r--r--drivers/clk/clk-u300.c718
-rw-r--r--drivers/clk/clk-vt8500.c75
-rw-r--r--drivers/clk/clk-wm831x.c14
-rw-r--r--drivers/clk/clk-zynq.c378
-rw-r--r--drivers/clk/clk.c101
-rw-r--r--drivers/clk/mvebu/Kconfig25
-rw-r--r--drivers/clk/mvebu/Makefile8
-rw-r--r--drivers/clk/mvebu/armada-370.c176
-rw-r--r--drivers/clk/mvebu/armada-xp.c210
-rw-r--r--drivers/clk/mvebu/clk-core.c675
-rw-r--r--drivers/clk/mvebu/clk-core.h18
-rw-r--r--drivers/clk/mvebu/clk-gating-ctrl.c250
-rw-r--r--drivers/clk/mvebu/clk-gating-ctrl.h22
-rw-r--r--drivers/clk/mvebu/clk.c23
-rw-r--r--drivers/clk/mvebu/common.c163
-rw-r--r--drivers/clk/mvebu/common.h48
-rw-r--r--drivers/clk/mvebu/dove.c194
-rw-r--r--drivers/clk/mvebu/kirkwood.c247
-rw-r--r--drivers/clk/rockchip/Makefile5
-rw-r--r--drivers/clk/rockchip/clk-rockchip.c94
-rw-r--r--drivers/clk/samsung/Makefile2
-rw-r--r--drivers/clk/samsung/clk-exynos-audss.c133
-rw-r--r--drivers/clk/samsung/clk-exynos4.c30
-rw-r--r--drivers/clk/samsung/clk-exynos5250.c15
-rw-r--r--drivers/clk/samsung/clk-exynos5420.c762
-rw-r--r--drivers/clk/samsung/clk-pll.c5
-rw-r--r--drivers/clk/samsung/clk.h3
-rw-r--r--drivers/clk/socfpga/clk.c194
-rw-r--r--drivers/clk/spear/spear3xx_clock.c2
-rw-r--r--drivers/clk/sunxi/clk-sunxi.c35
-rw-r--r--drivers/clk/tegra/clk-pll.c281
-rw-r--r--drivers/clk/tegra/clk-tegra114.c293
-rw-r--r--drivers/clk/tegra/clk-tegra20.c3
-rw-r--r--drivers/clk/tegra/clk-tegra30.c36
-rw-r--r--drivers/clk/tegra/clk.c12
-rw-r--r--drivers/clk/tegra/clk.h62
-rw-r--r--drivers/clk/ux500/abx500-clk.c8
-rw-r--r--drivers/clk/ux500/u8540_clk.c564
-rw-r--r--drivers/clk/ux500/u9540_clk.c4
-rw-r--r--drivers/clk/versatile/clk-vexpress-osc.c4
-rw-r--r--drivers/clk/x86/clk-lpt.c4
-rw-r--r--drivers/clk/zynq/Makefile3
-rw-r--r--drivers/clk/zynq/clkc.c533
-rw-r--r--drivers/clk/zynq/pll.c235
55 files changed, 5983 insertions, 1861 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 0357ac44638b..51380d655d1a 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -42,7 +42,7 @@ config COMMON_CLK_WM831X
config COMMON_CLK_VERSATILE
bool "Clock driver for ARM Reference designs"
- depends on ARCH_INTEGRATOR || ARCH_REALVIEW || ARCH_VEXPRESS
+ depends on ARCH_INTEGRATOR || ARCH_REALVIEW || ARCH_VEXPRESS || ARM64
---help---
Supports clocking on ARM Reference designs:
- Integrator/AP and Integrator/CP
@@ -58,7 +58,6 @@ config COMMON_CLK_MAX77686
config COMMON_CLK_SI5351
tristate "Clock driver for SiLabs 5351A/B/C"
depends on I2C
- depends on OF
select REGMAP_I2C
select RATIONAL
---help---
@@ -81,6 +80,13 @@ config COMMON_CLK_AXI_CLKGEN
Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx
FPGAs. It is commonly used in Analog Devices' reference designs.
+config CLK_PPC_CORENET
+ bool "Clock driver for PowerPC corenet platforms"
+ depends on PPC_E500MC && OF
+ ---help---
+ This adds the clock driver support for Freescale PowerPC corenet
+ platforms using common clock framework.
+
endmenu
source "drivers/clk/mvebu/Kconfig"
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 137d3e730f86..4038c2bdf334 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -13,21 +13,23 @@ obj-$(CONFIG_COMMON_CLK) += clk-composite.o
obj-$(CONFIG_ARCH_BCM2835) += clk-bcm2835.o
obj-$(CONFIG_ARCH_NOMADIK) += clk-nomadik.o
obj-$(CONFIG_ARCH_HIGHBANK) += clk-highbank.o
+obj-$(CONFIG_ARCH_NSPIRE) += clk-nspire.o
obj-$(CONFIG_ARCH_MXS) += mxs/
obj-$(CONFIG_ARCH_SOCFPGA) += socfpga/
obj-$(CONFIG_PLAT_SPEAR) += spear/
obj-$(CONFIG_ARCH_U300) += clk-u300.o
obj-$(CONFIG_COMMON_CLK_VERSATILE) += versatile/
-obj-$(CONFIG_ARCH_PRIMA2) += clk-prima2.o
+obj-$(CONFIG_ARCH_SIRF) += clk-prima2.o
obj-$(CONFIG_PLAT_ORION) += mvebu/
ifeq ($(CONFIG_COMMON_CLK), y)
obj-$(CONFIG_ARCH_MMP) += mmp/
endif
obj-$(CONFIG_MACH_LOONGSON1) += clk-ls1x.o
+obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
obj-$(CONFIG_ARCH_SUNXI) += sunxi/
obj-$(CONFIG_ARCH_U8500) += ux500/
obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o
-obj-$(CONFIG_ARCH_ZYNQ) += clk-zynq.o
+obj-$(CONFIG_ARCH_ZYNQ) += zynq/
obj-$(CONFIG_ARCH_TEGRA) += tegra/
obj-$(CONFIG_PLAT_SAMSUNG) += samsung/
@@ -39,3 +41,4 @@ obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o
obj-$(CONFIG_COMMON_CLK_MAX77686) += clk-max77686.o
obj-$(CONFIG_COMMON_CLK_SI5351) += clk-si5351.o
obj-$(CONFIG_CLK_TWL6040) += clk-twl6040.o
+obj-$(CONFIG_CLK_PPC_CORENET) += clk-ppc-corenet.o
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 6d9674160430..6d55eb2cb959 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -150,6 +150,7 @@ static int clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate,
struct clk_divider *divider = to_clk_divider(hw);
int i, bestdiv = 0;
unsigned long parent_rate, best = 0, now, maxdiv;
+ unsigned long parent_rate_saved = *best_parent_rate;
if (!rate)
rate = 1;
@@ -173,6 +174,15 @@ static int clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate,
for (i = 1; i <= maxdiv; i++) {
if (!_is_valid_div(divider, i))
continue;
+ if (rate * i == parent_rate_saved) {
+ /*
+ * It's the most ideal case if the requested rate can be
+ * divided from parent clock without needing to change
+ * parent rate, so return the divider immediately.
+ */
+ *best_parent_rate = parent_rate_saved;
+ return i;
+ }
parent_rate = __clk_round_rate(__clk_get_parent(hw->clk),
MULT_ROUND_UP(rate, i));
now = parent_rate / i;
@@ -217,8 +227,12 @@ static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
if (divider->lock)
spin_lock_irqsave(divider->lock, flags);
- val = readl(divider->reg);
- val &= ~(div_mask(divider) << divider->shift);
+ if (divider->flags & CLK_DIVIDER_HIWORD_MASK) {
+ val = div_mask(divider) << (divider->shift + 16);
+ } else {
+ val = readl(divider->reg);
+ val &= ~(div_mask(divider) << divider->shift);
+ }
val |= value << divider->shift;
writel(val, divider->reg);
@@ -245,6 +259,13 @@ static struct clk *_register_divider(struct device *dev, const char *name,
struct clk *clk;
struct clk_init_data init;
+ if (clk_divider_flags & CLK_DIVIDER_HIWORD_MASK) {
+ if (width + shift > 16) {
+ pr_warn("divider value exceeds LOWORD field\n");
+ return ERR_PTR(-EINVAL);
+ }
+ }
+
/* allocate the divider */
div = kzalloc(sizeof(struct clk_divider), GFP_KERNEL);
if (!div) {
diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c
index 15114febfd92..790306e921c8 100644
--- a/drivers/clk/clk-gate.c
+++ b/drivers/clk/clk-gate.c
@@ -53,12 +53,18 @@ static void clk_gate_endisable(struct clk_hw *hw, int enable)
if (gate->lock)
spin_lock_irqsave(gate->lock, flags);
- reg = readl(gate->reg);
-
- if (set)
- reg |= BIT(gate->bit_idx);
- else
- reg &= ~BIT(gate->bit_idx);
+ if (gate->flags & CLK_GATE_HIWORD_MASK) {
+ reg = BIT(gate->bit_idx + 16);
+ if (set)
+ reg |= BIT(gate->bit_idx);
+ } else {
+ reg = readl(gate->reg);
+
+ if (set)
+ reg |= BIT(gate->bit_idx);
+ else
+ reg &= ~BIT(gate->bit_idx);
+ }
writel(reg, gate->reg);
@@ -121,6 +127,13 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
struct clk *clk;
struct clk_init_data init;
+ if (clk_gate_flags & CLK_GATE_HIWORD_MASK) {
+ if (bit_idx > 16) {
+ pr_err("gate bit exceeds LOWORD field\n");
+ return ERR_PTR(-EINVAL);
+ }
+ }
+
/* allocate the gate */
gate = kzalloc(sizeof(struct clk_gate), GFP_KERNEL);
if (!gate) {
diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index 25b1734560d0..614444ca40cd 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -86,8 +86,12 @@ static int clk_mux_set_parent(struct clk_hw *hw, u8 index)
if (mux->lock)
spin_lock_irqsave(mux->lock, flags);
- val = readl(mux->reg);
- val &= ~(mux->mask << mux->shift);
+ if (mux->flags & CLK_MUX_HIWORD_MASK) {
+ val = mux->mask << (mux->shift + 16);
+ } else {
+ val = readl(mux->reg);
+ val &= ~(mux->mask << mux->shift);
+ }
val |= index << mux->shift;
writel(val, mux->reg);
@@ -111,6 +115,15 @@ struct clk *clk_register_mux_table(struct device *dev, const char *name,
struct clk_mux *mux;
struct clk *clk;
struct clk_init_data init;
+ u8 width = 0;
+
+ if (clk_mux_flags & CLK_MUX_HIWORD_MASK) {
+ width = fls(mask) - ffs(mask) + 1;
+ if (width + shift > 16) {
+ pr_err("mux value exceeds LOWORD field\n");
+ return ERR_PTR(-EINVAL);
+ }
+ }
/* allocate the mux */
mux = kzalloc(sizeof(struct clk_mux), GFP_KERNEL);
diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c
index 6b4c70f7d23d..6d819a37f647 100644
--- a/drivers/clk/clk-nomadik.c
+++ b/drivers/clk/clk-nomadik.c
@@ -1,48 +1,566 @@
+/*
+ * Nomadik clock implementation
+ * Copyright (C) 2013 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Author: Linus Walleij <linus.walleij@linaro.org>
+ */
+
+#define pr_fmt(fmt) "Nomadik SRC clocks: " fmt
+
+#include <linux/bitops.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/spinlock.h>
+#include <linux/reboot.h>
/*
* The Nomadik clock tree is described in the STN8815A12 DB V4.2
* reference manual for the chip, page 94 ff.
+ * Clock IDs are in the STn8815 Reference Manual table 3, page 27.
*/
-void __init nomadik_clk_init(void)
+#define SRC_CR 0x00U
+#define SRC_XTALCR 0x0CU
+#define SRC_XTALCR_XTALTIMEN BIT(20)
+#define SRC_XTALCR_SXTALDIS BIT(19)
+#define SRC_XTALCR_MXTALSTAT BIT(2)
+#define SRC_XTALCR_MXTALEN BIT(1)
+#define SRC_XTALCR_MXTALOVER BIT(0)
+#define SRC_PLLCR 0x10U
+#define SRC_PLLCR_PLLTIMEN BIT(29)
+#define SRC_PLLCR_PLL2EN BIT(28)
+#define SRC_PLLCR_PLL1STAT BIT(2)
+#define SRC_PLLCR_PLL1EN BIT(1)
+#define SRC_PLLCR_PLL1OVER BIT(0)
+#define SRC_PLLFR 0x14U
+#define SRC_PCKEN0 0x24U
+#define SRC_PCKDIS0 0x28U
+#define SRC_PCKENSR0 0x2CU
+#define SRC_PCKSR0 0x30U
+#define SRC_PCKEN1 0x34U
+#define SRC_PCKDIS1 0x38U
+#define SRC_PCKENSR1 0x3CU
+#define SRC_PCKSR1 0x40U
+
+/* Lock protecting the SRC_CR register */
+static DEFINE_SPINLOCK(src_lock);
+/* Base address of the SRC */
+static void __iomem *src_base;
+
+/**
+ * struct clk_pll1 - Nomadik PLL1 clock
+ * @hw: corresponding clock hardware entry
+ * @id: PLL instance: 1 or 2
+ */
+struct clk_pll {
+ struct clk_hw hw;
+ int id;
+};
+
+/**
+ * struct clk_src - Nomadik src clock
+ * @hw: corresponding clock hardware entry
+ * @id: the clock ID
+ * @group1: true if the clock is in group1, else it is in group0
+ * @clkbit: bit 0...31 corresponding to the clock in each clock register
+ */
+struct clk_src {
+ struct clk_hw hw;
+ int id;
+ bool group1;
+ u32 clkbit;
+};
+
+#define to_pll(_hw) container_of(_hw, struct clk_pll, hw)
+#define to_src(_hw) container_of(_hw, struct clk_src, hw)
+
+static int pll_clk_enable(struct clk_hw *hw)
+{
+ struct clk_pll *pll = to_pll(hw);
+ u32 val;
+
+ spin_lock(&src_lock);
+ val = readl(src_base + SRC_PLLCR);
+ if (pll->id == 1) {
+ if (val & SRC_PLLCR_PLL1OVER) {
+ val |= SRC_PLLCR_PLL1EN;
+ writel(val, src_base + SRC_PLLCR);
+ }
+ } else if (pll->id == 2) {
+ val |= SRC_PLLCR_PLL2EN;
+ writel(val, src_base + SRC_PLLCR);
+ }
+ spin_unlock(&src_lock);
+ return 0;
+}
+
+static void pll_clk_disable(struct clk_hw *hw)
+{
+ struct clk_pll *pll = to_pll(hw);
+ u32 val;
+
+ spin_lock(&src_lock);
+ val = readl(src_base + SRC_PLLCR);
+ if (pll->id == 1) {
+ if (val & SRC_PLLCR_PLL1OVER) {
+ val &= ~SRC_PLLCR_PLL1EN;
+ writel(val, src_base + SRC_PLLCR);
+ }
+ } else if (pll->id == 2) {
+ val &= ~SRC_PLLCR_PLL2EN;
+ writel(val, src_base + SRC_PLLCR);
+ }
+ spin_unlock(&src_lock);
+}
+
+static int pll_clk_is_enabled(struct clk_hw *hw)
+{
+ struct clk_pll *pll = to_pll(hw);
+ u32 val;
+
+ val = readl(src_base + SRC_PLLCR);
+ if (pll->id == 1) {
+ if (val & SRC_PLLCR_PLL1OVER)
+ return !!(val & SRC_PLLCR_PLL1EN);
+ } else if (pll->id == 2) {
+ return !!(val & SRC_PLLCR_PLL2EN);
+ }
+ return 1;
+}
+
+static unsigned long pll_clk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_pll *pll = to_pll(hw);
+ u32 val;
+
+ val = readl(src_base + SRC_PLLFR);
+
+ if (pll->id == 1) {
+ u8 mul;
+ u8 div;
+
+ mul = (val >> 8) & 0x3FU;
+ mul += 2;
+ div = val & 0x07U;
+ return (parent_rate * mul) >> div;
+ }
+
+ if (pll->id == 2) {
+ u8 mul;
+
+ mul = (val >> 24) & 0x3FU;
+ mul += 2;
+ return (parent_rate * mul);
+ }
+
+ /* Unknown PLL */
+ return 0;
+}
+
+
+static const struct clk_ops pll_clk_ops = {
+ .enable = pll_clk_enable,
+ .disable = pll_clk_disable,
+ .is_enabled = pll_clk_is_enabled,
+ .recalc_rate = pll_clk_recalc_rate,
+};
+
+static struct clk * __init
+pll_clk_register(struct device *dev, const char *name,
+ const char *parent_name, u32 id)
{
struct clk *clk;
+ struct clk_pll *pll;
+ struct clk_init_data init;
- clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0);
- clk_register_clkdev(clk, "apb_pclk", NULL);
- clk_register_clkdev(clk, NULL, "gpio.0");
- clk_register_clkdev(clk, NULL, "gpio.1");
- clk_register_clkdev(clk, NULL, "gpio.2");
- clk_register_clkdev(clk, NULL, "gpio.3");
- clk_register_clkdev(clk, NULL, "rng");
- clk_register_clkdev(clk, NULL, "fsmc-nand");
+ if (id != 1 && id != 2) {
+ pr_err("%s: the Nomadik has only PLL 1 & 2\n", __func__);
+ return ERR_PTR(-EINVAL);
+ }
- /*
- * The 2.4 MHz TIMCLK reference clock is active at boot time, this is
- * actually the MXTALCLK @19.2 MHz divided by 8. This clock is used
- * by the timers and watchdog. See page 105 ff.
- */
- clk = clk_register_fixed_rate(NULL, "TIMCLK", NULL, CLK_IS_ROOT,
- 2400000);
- clk_register_clkdev(clk, NULL, "mtu0");
- clk_register_clkdev(clk, NULL, "mtu1");
+ pll = kzalloc(sizeof(*pll), GFP_KERNEL);
+ if (!pll) {
+ pr_err("%s: could not allocate PLL clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ init.name = name;
+ init.ops = &pll_clk_ops;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+ pll->hw.init = &init;
+ pll->id = id;
+
+ pr_debug("register PLL1 clock \"%s\"\n", name);
+
+ clk = clk_register(dev, &pll->hw);
+ if (IS_ERR(clk))
+ kfree(pll);
+
+ return clk;
+}
+
+/*
+ * The Nomadik SRC clocks are gated, but not in the sense that
+ * you read-modify-write a register. Instead there are separate
+ * clock enable and clock disable registers. Writing a '1' bit in
+ * the enable register for a certain clock ungates that clock without
+ * affecting the other clocks. The disable register works the opposite
+ * way.
+ */
+
+static int src_clk_enable(struct clk_hw *hw)
+{
+ struct clk_src *sclk = to_src(hw);
+ u32 enreg = sclk->group1 ? SRC_PCKEN1 : SRC_PCKEN0;
+ u32 sreg = sclk->group1 ? SRC_PCKSR1 : SRC_PCKSR0;
+
+ writel(sclk->clkbit, src_base + enreg);
+ /* spin until enabled */
+ while (!(readl(src_base + sreg) & sclk->clkbit))
+ cpu_relax();
+ return 0;
+}
+
+static void src_clk_disable(struct clk_hw *hw)
+{
+ struct clk_src *sclk = to_src(hw);
+ u32 disreg = sclk->group1 ? SRC_PCKDIS1 : SRC_PCKDIS0;
+ u32 sreg = sclk->group1 ? SRC_PCKSR1 : SRC_PCKSR0;
+
+ writel(sclk->clkbit, src_base + disreg);
+ /* spin until disabled */
+ while (readl(src_base + sreg) & sclk->clkbit)
+ cpu_relax();
+}
+
+static int src_clk_is_enabled(struct clk_hw *hw)
+{
+ struct clk_src *sclk = to_src(hw);
+ u32 sreg = sclk->group1 ? SRC_PCKSR1 : SRC_PCKSR0;
+ u32 val = readl(src_base + sreg);
+ return !!(val & sclk->clkbit);
+}
+
+static unsigned long
+src_clk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ return parent_rate;
+}
+
+static const struct clk_ops src_clk_ops = {
+ .enable = src_clk_enable,
+ .disable = src_clk_disable,
+ .is_enabled = src_clk_is_enabled,
+ .recalc_rate = src_clk_recalc_rate,
+};
+
+static struct clk * __init
+src_clk_register(struct device *dev, const char *name,
+ const char *parent_name, u8 id)
+{
+ struct clk *clk;
+ struct clk_src *sclk;
+ struct clk_init_data init;
+
+ sclk = kzalloc(sizeof(*sclk), GFP_KERNEL);
+ if (!sclk) {
+ pr_err("could not allocate SRC clock %s\n",
+ name);
+ return ERR_PTR(-ENOMEM);
+ }
+ init.name = name;
+ init.ops = &src_clk_ops;
+ /* Do not force-disable the static SDRAM controller */
+ if (id == 2)
+ init.flags = CLK_IGNORE_UNUSED;
+ else
+ init.flags = 0;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+ sclk->hw.init = &init;
+ sclk->id = id;
+ sclk->group1 = (id > 31);
+ sclk->clkbit = BIT(id & 0x1f);
+
+ pr_debug("register clock \"%s\" ID: %d group: %d bits: %08x\n",
+ name, id, sclk->group1, sclk->clkbit);
+
+ clk = clk_register(dev, &sclk->hw);
+ if (IS_ERR(clk))
+ kfree(sclk);
+
+ return clk;
+}
+
+#ifdef CONFIG_DEBUG_FS
+
+static u32 src_pcksr0_boot;
+static u32 src_pcksr1_boot;
+
+static const char * const src_clk_names[] = {
+ "HCLKDMA0 ",
+ "HCLKSMC ",
+ "HCLKSDRAM ",
+ "HCLKDMA1 ",
+ "HCLKCLCD ",
+ "PCLKIRDA ",
+ "PCLKSSP ",
+ "PCLKUART0 ",
+ "PCLKSDI ",
+ "PCLKI2C0 ",
+ "PCLKI2C1 ",
+ "PCLKUART1 ",
+ "PCLMSP0 ",
+ "HCLKUSB ",
+ "HCLKDIF ",
+ "HCLKSAA ",
+ "HCLKSVA ",
+ "PCLKHSI ",
+ "PCLKXTI ",
+ "PCLKUART2 ",
+ "PCLKMSP1 ",
+ "PCLKMSP2 ",
+ "PCLKOWM ",
+ "HCLKHPI ",
+ "PCLKSKE ",
+ "PCLKHSEM ",
+ "HCLK3D ",
+ "HCLKHASH ",
+ "HCLKCRYP ",
+ "PCLKMSHC ",
+ "HCLKUSBM ",
+ "HCLKRNG ",
+ "RESERVED ",
+ "RESERVED ",
+ "RESERVED ",
+ "RESERVED ",
+ "CLDCLK ",
+ "IRDACLK ",
+ "SSPICLK ",
+ "UART0CLK ",
+ "SDICLK ",
+ "I2C0CLK ",
+ "I2C1CLK ",
+ "UART1CLK ",
+ "MSPCLK0 ",
+ "USBCLK ",
+ "DIFCLK ",
+ "IPI2CCLK ",
+ "IPBMCCLK ",
+ "HSICLKRX ",
+ "HSICLKTX ",
+ "UART2CLK ",
+ "MSPCLK1 ",
+ "MSPCLK2 ",
+ "OWMCLK ",
+ "RESERVED ",
+ "SKECLK ",
+ "RESERVED ",
+ "3DCLK ",
+ "PCLKMSP3 ",
+ "MSPCLK3 ",
+ "MSHCCLK ",
+ "USBMCLK ",
+ "RNGCCLK ",
+};
+
+static int nomadik_src_clk_show(struct seq_file *s, void *what)
+{
+ int i;
+ u32 src_pcksr0 = readl(src_base + SRC_PCKSR0);
+ u32 src_pcksr1 = readl(src_base + SRC_PCKSR1);
+ u32 src_pckensr0 = readl(src_base + SRC_PCKENSR0);
+ u32 src_pckensr1 = readl(src_base + SRC_PCKENSR1);
+
+ seq_printf(s, "Clock: Boot: Now: Request: ASKED:\n");
+ for (i = 0; i < ARRAY_SIZE(src_clk_names); i++) {
+ u32 pcksrb = (i < 0x20) ? src_pcksr0_boot : src_pcksr1_boot;
+ u32 pcksr = (i < 0x20) ? src_pcksr0 : src_pcksr1;
+ u32 pckreq = (i < 0x20) ? src_pckensr0 : src_pckensr1;
+ u32 mask = BIT(i & 0x1f);
+
+ seq_printf(s, "%s %s %s %s\n",
+ src_clk_names[i],
+ (pcksrb & mask) ? "on " : "off",
+ (pcksr & mask) ? "on " : "off",
+ (pckreq & mask) ? "on " : "off");
+ }
+ return 0;
+}
+
+static int nomadik_src_clk_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, nomadik_src_clk_show, NULL);
+}
+
+static const struct file_operations nomadik_src_clk_debugfs_ops = {
+ .open = nomadik_src_clk_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __init nomadik_src_clk_init_debugfs(void)
+{
+ src_pcksr0_boot = readl(src_base + SRC_PCKSR0);
+ src_pcksr1_boot = readl(src_base + SRC_PCKSR1);
+ debugfs_create_file("nomadik-src-clk", S_IFREG | S_IRUGO,
+ NULL, NULL, &nomadik_src_clk_debugfs_ops);
+ return 0;
+}
+
+module_init(nomadik_src_clk_init_debugfs);
+
+#endif
+
+static void __init of_nomadik_pll_setup(struct device_node *np)
+{
+ struct clk *clk = ERR_PTR(-EINVAL);
+ const char *clk_name = np->name;
+ const char *parent_name;
+ u32 pll_id;
+
+ if (of_property_read_u32(np, "pll-id", &pll_id)) {
+ pr_err("%s: PLL \"%s\" missing pll-id property\n",
+ __func__, clk_name);
+ return;
+ }
+ parent_name = of_clk_get_parent_name(np, 0);
+ clk = pll_clk_register(NULL, clk_name, parent_name, pll_id);
+ if (!IS_ERR(clk))
+ of_clk_add_provider(np, of_clk_src_simple_get, clk);
+}
+
+static void __init of_nomadik_hclk_setup(struct device_node *np)
+{
+ struct clk *clk = ERR_PTR(-EINVAL);
+ const char *clk_name = np->name;
+ const char *parent_name;
+
+ parent_name = of_clk_get_parent_name(np, 0);
/*
- * At boot time, PLL2 is set to generate a set of fixed clocks,
- * one of them is CLK48, the 48 MHz clock, routed to the UART, MMC/SD
- * I2C, IrDA, USB and SSP blocks.
+ * The HCLK divides PLL1 with 1 (passthru), 2, 3 or 4.
*/
- clk = clk_register_fixed_rate(NULL, "CLK48", NULL, CLK_IS_ROOT,
- 48000000);
- clk_register_clkdev(clk, NULL, "uart0");
- clk_register_clkdev(clk, NULL, "uart1");
- clk_register_clkdev(clk, NULL, "mmci");
- clk_register_clkdev(clk, NULL, "ssp");
- clk_register_clkdev(clk, NULL, "nmk-i2c.0");
- clk_register_clkdev(clk, NULL, "nmk-i2c.1");
+ clk = clk_register_divider(NULL, clk_name, parent_name,
+ 0, src_base + SRC_CR,
+ 13, 2,
+ CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
+ &src_lock);
+ if (!IS_ERR(clk))
+ of_clk_add_provider(np, of_clk_src_simple_get, clk);
+}
+
+static void __init of_nomadik_src_clk_setup(struct device_node *np)
+{
+ struct clk *clk = ERR_PTR(-EINVAL);
+ const char *clk_name = np->name;
+ const char *parent_name;
+ u32 clk_id;
+
+ if (of_property_read_u32(np, "clock-id", &clk_id)) {
+ pr_err("%s: SRC clock \"%s\" missing clock-id property\n",
+ __func__, clk_name);
+ return;
+ }
+ parent_name = of_clk_get_parent_name(np, 0);
+ clk = src_clk_register(NULL, clk_name, parent_name, clk_id);
+ if (!IS_ERR(clk))
+ of_clk_add_provider(np, of_clk_src_simple_get, clk);
+}
+
+static const __initconst struct of_device_id nomadik_src_match[] = {
+ { .compatible = "stericsson,nomadik-src" },
+ { /* sentinel */ }
+};
+
+static const __initconst struct of_device_id nomadik_src_clk_match[] = {
+ {
+ .compatible = "fixed-clock",
+ .data = of_fixed_clk_setup,
+ },
+ {
+ .compatible = "fixed-factor-clock",
+ .data = of_fixed_factor_clk_setup,
+ },
+ {
+ .compatible = "st,nomadik-pll-clock",
+ .data = of_nomadik_pll_setup,
+ },
+ {
+ .compatible = "st,nomadik-hclk-clock",
+ .data = of_nomadik_hclk_setup,
+ },
+ {
+ .compatible = "st,nomadik-src-clock",
+ .data = of_nomadik_src_clk_setup,
+ },
+ { /* sentinel */ }
+};
+
+static int nomadik_clk_reboot_handler(struct notifier_block *this,
+ unsigned long code,
+ void *unused)
+{
+ u32 val;
+
+ /* The main chrystal need to be enabled for reboot to work */
+ val = readl(src_base + SRC_XTALCR);
+ val &= ~SRC_XTALCR_MXTALOVER;
+ val |= SRC_XTALCR_MXTALEN;
+ pr_crit("force-enabling MXTALO\n");
+ writel(val, src_base + SRC_XTALCR);
+ return NOTIFY_OK;
+}
+
+static struct notifier_block nomadik_clk_reboot_notifier = {
+ .notifier_call = nomadik_clk_reboot_handler,
+};
+
+void __init nomadik_clk_init(void)
+{
+ struct device_node *np;
+ u32 val;
+
+ np = of_find_matching_node(NULL, nomadik_src_match);
+ if (!np) {
+ pr_crit("no matching node for SRC, aborting clock init\n");
+ return;
+ }
+ src_base = of_iomap(np, 0);
+ if (!src_base) {
+ pr_err("%s: must have src parent node with REGS (%s)\n",
+ __func__, np->name);
+ return;
+ }
+ val = readl(src_base + SRC_XTALCR);
+ pr_info("SXTALO is %s\n",
+ (val & SRC_XTALCR_SXTALDIS) ? "disabled" : "enabled");
+ pr_info("MXTAL is %s\n",
+ (val & SRC_XTALCR_MXTALSTAT) ? "enabled" : "disabled");
+ if (of_property_read_bool(np, "disable-sxtalo")) {
+ /* The machine uses an external oscillator circuit */
+ val |= SRC_XTALCR_SXTALDIS;
+ pr_info("disabling SXTALO\n");
+ }
+ if (of_property_read_bool(np, "disable-mxtalo")) {
+ /* Disable this too: also run by external oscillator */
+ val |= SRC_XTALCR_MXTALOVER;
+ val &= ~SRC_XTALCR_MXTALEN;
+ pr_info("disabling MXTALO\n");
+ }
+ writel(val, src_base + SRC_XTALCR);
+ register_reboot_notifier(&nomadik_clk_reboot_notifier);
+
+ of_clk_init(nomadik_src_clk_match);
}
diff --git a/drivers/clk/clk-nspire.c b/drivers/clk/clk-nspire.c
new file mode 100644
index 000000000000..a378db7b2382
--- /dev/null
+++ b/drivers/clk/clk-nspire.c
@@ -0,0 +1,153 @@
+/*
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#define MHZ (1000 * 1000)
+
+#define BASE_CPU_SHIFT 1
+#define BASE_CPU_MASK 0x7F
+
+#define CPU_AHB_SHIFT 12
+#define CPU_AHB_MASK 0x07
+
+#define FIXED_BASE_SHIFT 8
+#define FIXED_BASE_MASK 0x01
+
+#define CLASSIC_BASE_SHIFT 16
+#define CLASSIC_BASE_MASK 0x1F
+
+#define CX_BASE_SHIFT 15
+#define CX_BASE_MASK 0x3F
+
+#define CX_UNKNOWN_SHIFT 21
+#define CX_UNKNOWN_MASK 0x03
+
+struct nspire_clk_info {
+ u32 base_clock;
+ u16 base_cpu_ratio;
+ u16 base_ahb_ratio;
+};
+
+
+#define EXTRACT(var, prop) (((var)>>prop##_SHIFT) & prop##_MASK)
+static void nspire_clkinfo_cx(u32 val, struct nspire_clk_info *clk)
+{
+ if (EXTRACT(val, FIXED_BASE))
+ clk->base_clock = 48 * MHZ;
+ else
+ clk->base_clock = 6 * EXTRACT(val, CX_BASE) * MHZ;
+
+ clk->base_cpu_ratio = EXTRACT(val, BASE_CPU) * EXTRACT(val, CX_UNKNOWN);
+ clk->base_ahb_ratio = clk->base_cpu_ratio * (EXTRACT(val, CPU_AHB) + 1);
+}
+
+static void nspire_clkinfo_classic(u32 val, struct nspire_clk_info *clk)
+{
+ if (EXTRACT(val, FIXED_BASE))
+ clk->base_clock = 27 * MHZ;
+ else
+ clk->base_clock = (300 - 6 * EXTRACT(val, CLASSIC_BASE)) * MHZ;
+
+ clk->base_cpu_ratio = EXTRACT(val, BASE_CPU) * 2;
+ clk->base_ahb_ratio = clk->base_cpu_ratio * (EXTRACT(val, CPU_AHB) + 1);
+}
+
+static void __init nspire_ahbdiv_setup(struct device_node *node,
+ void (*get_clkinfo)(u32, struct nspire_clk_info *))
+{
+ u32 val;
+ void __iomem *io;
+ struct clk *clk;
+ const char *clk_name = node->name;
+ const char *parent_name;
+ struct nspire_clk_info info;
+
+ io = of_iomap(node, 0);
+ if (!io)
+ return;
+ val = readl(io);
+ iounmap(io);
+
+ get_clkinfo(val, &info);
+
+ of_property_read_string(node, "clock-output-names", &clk_name);
+ parent_name = of_clk_get_parent_name(node, 0);
+
+ clk = clk_register_fixed_factor(NULL, clk_name, parent_name, 0,
+ 1, info.base_ahb_ratio);
+ if (!IS_ERR(clk))
+ of_clk_add_provider(node, of_clk_src_simple_get, clk);
+}
+
+static void __init nspire_ahbdiv_setup_cx(struct device_node *node)
+{
+ nspire_ahbdiv_setup(node, nspire_clkinfo_cx);
+}
+
+static void __init nspire_ahbdiv_setup_classic(struct device_node *node)
+{
+ nspire_ahbdiv_setup(node, nspire_clkinfo_classic);
+}
+
+CLK_OF_DECLARE(nspire_ahbdiv_cx, "lsi,nspire-cx-ahb-divider",
+ nspire_ahbdiv_setup_cx);
+CLK_OF_DECLARE(nspire_ahbdiv_classic, "lsi,nspire-classic-ahb-divider",
+ nspire_ahbdiv_setup_classic);
+
+static void __init nspire_clk_setup(struct device_node *node,
+ void (*get_clkinfo)(u32, struct nspire_clk_info *))
+{
+ u32 val;
+ void __iomem *io;
+ struct clk *clk;
+ const char *clk_name = node->name;
+ struct nspire_clk_info info;
+
+ io = of_iomap(node, 0);
+ if (!io)
+ return;
+ val = readl(io);
+ iounmap(io);
+
+ get_clkinfo(val, &info);
+
+ of_property_read_string(node, "clock-output-names", &clk_name);
+
+ clk = clk_register_fixed_rate(NULL, clk_name, NULL, CLK_IS_ROOT,
+ info.base_clock);
+ if (!IS_ERR(clk))
+ of_clk_add_provider(node, of_clk_src_simple_get, clk);
+ else
+ return;
+
+ pr_info("TI-NSPIRE Base: %uMHz CPU: %uMHz AHB: %uMHz\n",
+ info.base_clock / MHZ,
+ info.base_clock / info.base_cpu_ratio / MHZ,
+ info.base_clock / info.base_ahb_ratio / MHZ);
+}
+
+static void __init nspire_clk_setup_cx(struct device_node *node)
+{
+ nspire_clk_setup(node, nspire_clkinfo_cx);
+}
+
+static void __init nspire_clk_setup_classic(struct device_node *node)
+{
+ nspire_clk_setup(node, nspire_clkinfo_classic);
+}
+
+CLK_OF_DECLARE(nspire_clk_cx, "lsi,nspire-cx-clock", nspire_clk_setup_cx);
+CLK_OF_DECLARE(nspire_clk_classic, "lsi,nspire-classic-clock",
+ nspire_clk_setup_classic);
diff --git a/drivers/clk/clk-ppc-corenet.c b/drivers/clk/clk-ppc-corenet.c
new file mode 100644
index 000000000000..e9587073bd32
--- /dev/null
+++ b/drivers/clk/clk-ppc-corenet.c
@@ -0,0 +1,280 @@
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * clock driver for Freescale PowerPC corenet SoCs.
+ */
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/of.h>
+#include <linux/slab.h>
+
+struct cmux_clk {
+ struct clk_hw hw;
+ void __iomem *reg;
+ u32 flags;
+};
+
+#define PLL_KILL BIT(31)
+#define CLKSEL_SHIFT 27
+#define CLKSEL_ADJUST BIT(0)
+#define to_cmux_clk(p) container_of(p, struct cmux_clk, hw)
+
+static void __iomem *base;
+static unsigned int clocks_per_pll;
+
+static int cmux_set_parent(struct clk_hw *hw, u8 idx)
+{
+ struct cmux_clk *clk = to_cmux_clk(hw);
+ u32 clksel;
+
+ clksel = ((idx / clocks_per_pll) << 2) + idx % clocks_per_pll;
+ if (clk->flags & CLKSEL_ADJUST)
+ clksel += 8;
+ clksel = (clksel & 0xf) << CLKSEL_SHIFT;
+ iowrite32be(clksel, clk->reg);
+
+ return 0;
+}
+
+static u8 cmux_get_parent(struct clk_hw *hw)
+{
+ struct cmux_clk *clk = to_cmux_clk(hw);
+ u32 clksel;
+
+ clksel = ioread32be(clk->reg);
+ clksel = (clksel >> CLKSEL_SHIFT) & 0xf;
+ if (clk->flags & CLKSEL_ADJUST)
+ clksel -= 8;
+ clksel = (clksel >> 2) * clocks_per_pll + clksel % 4;
+
+ return clksel;
+}
+
+const struct clk_ops cmux_ops = {
+ .get_parent = cmux_get_parent,
+ .set_parent = cmux_set_parent,
+};
+
+static void __init core_mux_init(struct device_node *np)
+{
+ struct clk *clk;
+ struct clk_init_data init;
+ struct cmux_clk *cmux_clk;
+ struct device_node *node;
+ int rc, count, i;
+ u32 offset;
+ const char *clk_name;
+ const char **parent_names;
+
+ rc = of_property_read_u32(np, "reg", &offset);
+ if (rc) {
+ pr_err("%s: could not get reg property\n", np->name);
+ return;
+ }
+
+ /* get the input clock source count */
+ count = of_property_count_strings(np, "clock-names");
+ if (count < 0) {
+ pr_err("%s: get clock count error\n", np->name);
+ return;
+ }
+ parent_names = kzalloc((sizeof(char *) * count), GFP_KERNEL);
+ if (!parent_names) {
+ pr_err("%s: could not allocate parent_names\n", __func__);
+ return;
+ }
+
+ for (i = 0; i < count; i++)
+ parent_names[i] = of_clk_get_parent_name(np, i);
+
+ cmux_clk = kzalloc(sizeof(struct cmux_clk), GFP_KERNEL);
+ if (!cmux_clk) {
+ pr_err("%s: could not allocate cmux_clk\n", __func__);
+ goto err_name;
+ }
+ cmux_clk->reg = base + offset;
+
+ node = of_find_compatible_node(NULL, NULL, "fsl,p4080-clockgen");
+ if (node && (offset >= 0x80))
+ cmux_clk->flags = CLKSEL_ADJUST;
+
+ rc = of_property_read_string_index(np, "clock-output-names",
+ 0, &clk_name);
+ if (rc) {
+ pr_err("%s: read clock names error\n", np->name);
+ goto err_clk;
+ }
+
+ init.name = clk_name;
+ init.ops = &cmux_ops;
+ init.parent_names = parent_names;
+ init.num_parents = count;
+ init.flags = 0;
+ cmux_clk->hw.init = &init;
+
+ clk = clk_register(NULL, &cmux_clk->hw);
+ if (IS_ERR(clk)) {
+ pr_err("%s: could not register clock\n", clk_name);
+ goto err_clk;
+ }
+
+ rc = of_clk_add_provider(np, of_clk_src_simple_get, clk);
+ if (rc) {
+ pr_err("Could not register clock provider for node:%s\n",
+ np->name);
+ goto err_clk;
+ }
+ goto err_name;
+
+err_clk:
+ kfree(cmux_clk);
+err_name:
+ /* free *_names because they are reallocated when registered */
+ kfree(parent_names);
+}
+
+static void __init core_pll_init(struct device_node *np)
+{
+ u32 offset, mult;
+ int i, rc, count;
+ const char *clk_name, *parent_name;
+ struct clk_onecell_data *onecell_data;
+ struct clk **subclks;
+
+ rc = of_property_read_u32(np, "reg", &offset);
+ if (rc) {
+ pr_err("%s: could not get reg property\n", np->name);
+ return;
+ }
+
+ /* get the multiple of PLL */
+ mult = ioread32be(base + offset);
+
+ /* check if this PLL is disabled */
+ if (mult & PLL_KILL) {
+ pr_debug("PLL:%s is disabled\n", np->name);
+ return;
+ }
+ mult = (mult >> 1) & 0x3f;
+
+ parent_name = of_clk_get_parent_name(np, 0);
+ if (!parent_name) {
+ pr_err("PLL: %s must have a parent\n", np->name);
+ return;
+ }
+
+ count = of_property_count_strings(np, "clock-output-names");
+ if (count < 0 || count > 4) {
+ pr_err("%s: clock is not supported\n", np->name);
+ return;
+ }
+
+ /* output clock number per PLL */
+ clocks_per_pll = count;
+
+ subclks = kzalloc(sizeof(struct clk *) * count, GFP_KERNEL);
+ if (!subclks) {
+ pr_err("%s: could not allocate subclks\n", __func__);
+ return;
+ }
+
+ onecell_data = kzalloc(sizeof(struct clk_onecell_data), GFP_KERNEL);
+ if (!onecell_data) {
+ pr_err("%s: could not allocate onecell_data\n", __func__);
+ goto err_clks;
+ }
+
+ for (i = 0; i < count; i++) {
+ rc = of_property_read_string_index(np, "clock-output-names",
+ i, &clk_name);
+ if (rc) {
+ pr_err("%s: could not get clock names\n", np->name);
+ goto err_cell;
+ }
+
+ /*
+ * when count == 4, there are 4 output clocks:
+ * /1, /2, /3, /4 respectively
+ * when count < 4, there are at least 2 output clocks:
+ * /1, /2, (/4, if count == 3) respectively.
+ */
+ if (count == 4)
+ subclks[i] = clk_register_fixed_factor(NULL, clk_name,
+ parent_name, 0, mult, 1 + i);
+ else
+
+ subclks[i] = clk_register_fixed_factor(NULL, clk_name,
+ parent_name, 0, mult, 1 << i);
+
+ if (IS_ERR(subclks[i])) {
+ pr_err("%s: could not register clock\n", clk_name);
+ goto err_cell;
+ }
+ }
+
+ onecell_data->clks = subclks;
+ onecell_data->clk_num = count;
+
+ rc = of_clk_add_provider(np, of_clk_src_onecell_get, onecell_data);
+ if (rc) {
+ pr_err("Could not register clk provider for node:%s\n",
+ np->name);
+ goto err_cell;
+ }
+
+ return;
+err_cell:
+ kfree(onecell_data);
+err_clks:
+ kfree(subclks);
+}
+
+static const struct of_device_id clk_match[] __initconst = {
+ { .compatible = "fixed-clock", .data = of_fixed_clk_setup, },
+ { .compatible = "fsl,core-pll-clock", .data = core_pll_init, },
+ { .compatible = "fsl,core-mux-clock", .data = core_mux_init, },
+ {}
+};
+
+static int __init ppc_corenet_clk_probe(struct platform_device *pdev)
+{
+ struct device_node *np;
+
+ np = pdev->dev.of_node;
+ base = of_iomap(np, 0);
+ if (!base) {
+ dev_err(&pdev->dev, "iomap error\n");
+ return -ENOMEM;
+ }
+ of_clk_init(clk_match);
+
+ return 0;
+}
+
+static const struct of_device_id ppc_clk_ids[] __initconst = {
+ { .compatible = "fsl,qoriq-clockgen-1.0", },
+ { .compatible = "fsl,qoriq-clockgen-2.0", },
+ {}
+};
+
+static struct platform_driver ppc_corenet_clk_driver = {
+ .driver = {
+ .name = "ppc_corenet_clock",
+ .owner = THIS_MODULE,
+ .of_match_table = ppc_clk_ids,
+ },
+ .probe = ppc_corenet_clk_probe,
+};
+
+static int __init ppc_corenet_clk_init(void)
+{
+ return platform_driver_register(&ppc_corenet_clk_driver);
+}
+subsys_initcall(ppc_corenet_clk_init);
diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c
index 24f553673b72..c50e83744b0a 100644
--- a/drivers/clk/clk-si5351.c
+++ b/drivers/clk/clk-si5351.c
@@ -851,6 +851,41 @@ static int _si5351_clkout_set_drive_strength(
return 0;
}
+static int _si5351_clkout_set_disable_state(
+ struct si5351_driver_data *drvdata, int num,
+ enum si5351_disable_state state)
+{
+ u8 reg = (num < 4) ? SI5351_CLK3_0_DISABLE_STATE :
+ SI5351_CLK7_4_DISABLE_STATE;
+ u8 shift = (num < 4) ? (2 * num) : (2 * (num-4));
+ u8 mask = SI5351_CLK_DISABLE_STATE_MASK << shift;
+ u8 val;
+
+ if (num > 8)
+ return -EINVAL;
+
+ switch (state) {
+ case SI5351_DISABLE_LOW:
+ val = SI5351_CLK_DISABLE_STATE_LOW;
+ break;
+ case SI5351_DISABLE_HIGH:
+ val = SI5351_CLK_DISABLE_STATE_HIGH;
+ break;
+ case SI5351_DISABLE_FLOATING:
+ val = SI5351_CLK_DISABLE_STATE_FLOAT;
+ break;
+ case SI5351_DISABLE_NEVER:
+ val = SI5351_CLK_DISABLE_STATE_NEVER;
+ break;
+ default:
+ return 0;
+ }
+
+ si5351_set_bits(drvdata, reg, mask, val << shift);
+
+ return 0;
+}
+
static int si5351_clkout_prepare(struct clk_hw *hw)
{
struct si5351_hw_data *hwdata =
@@ -1225,6 +1260,33 @@ static int si5351_dt_parse(struct i2c_client *client)
}
}
+ if (!of_property_read_u32(child, "silabs,disable-state",
+ &val)) {
+ switch (val) {
+ case 0:
+ pdata->clkout[num].disable_state =
+ SI5351_DISABLE_LOW;
+ break;
+ case 1:
+ pdata->clkout[num].disable_state =
+ SI5351_DISABLE_HIGH;
+ break;
+ case 2:
+ pdata->clkout[num].disable_state =
+ SI5351_DISABLE_FLOATING;
+ break;
+ case 3:
+ pdata->clkout[num].disable_state =
+ SI5351_DISABLE_NEVER;
+ break;
+ default:
+ dev_err(&client->dev,
+ "invalid disable state %d for clkout %d\n",
+ val, num);
+ return -EINVAL;
+ }
+ }
+
if (!of_property_read_u32(child, "clock-frequency", &val))
pdata->clkout[num].rate = val;
@@ -1281,9 +1343,6 @@ static int si5351_i2c_probe(struct i2c_client *client,
/* Disable interrupts */
si5351_reg_write(drvdata, SI5351_INTERRUPT_MASK, 0xf0);
- /* Set disabled output drivers to drive low */
- si5351_reg_write(drvdata, SI5351_CLK3_0_DISABLE_STATE, 0x00);
- si5351_reg_write(drvdata, SI5351_CLK7_4_DISABLE_STATE, 0x00);
/* Ensure pll select is on XTAL for Si5351A/B */
if (drvdata->variant != SI5351_VARIANT_C)
si5351_set_bits(drvdata, SI5351_PLL_INPUT_SOURCE,
@@ -1327,6 +1386,15 @@ static int si5351_i2c_probe(struct i2c_client *client,
n, pdata->clkout[n].drive);
return ret;
}
+
+ ret = _si5351_clkout_set_disable_state(drvdata, n,
+ pdata->clkout[n].disable_state);
+ if (ret) {
+ dev_err(&client->dev,
+ "failed set disable state of clkout%d to %d\n",
+ n, pdata->clkout[n].disable_state);
+ return ret;
+ }
}
/* register xtal input clock gate */
@@ -1500,7 +1568,10 @@ static int si5351_i2c_probe(struct i2c_client *client,
}
static const struct i2c_device_id si5351_i2c_ids[] = {
- { "silabs,si5351", 0 },
+ { "si5351a", 0 },
+ { "si5351a-msop", 0 },
+ { "si5351b", 0 },
+ { "si5351c", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, si5351_i2c_ids);
diff --git a/drivers/clk/clk-si5351.h b/drivers/clk/clk-si5351.h
index af41b5080f43..c0dbf2676872 100644
--- a/drivers/clk/clk-si5351.h
+++ b/drivers/clk/clk-si5351.h
@@ -81,6 +81,7 @@
#define SI5351_CLK3_0_DISABLE_STATE 24
#define SI5351_CLK7_4_DISABLE_STATE 25
+#define SI5351_CLK_DISABLE_STATE_MASK 3
#define SI5351_CLK_DISABLE_STATE_LOW 0
#define SI5351_CLK_DISABLE_STATE_HIGH 1
#define SI5351_CLK_DISABLE_STATE_FLOAT 2
diff --git a/drivers/clk/clk-twl6040.c b/drivers/clk/clk-twl6040.c
index 3af729b1b89d..1ada79a28052 100644
--- a/drivers/clk/clk-twl6040.c
+++ b/drivers/clk/clk-twl6040.c
@@ -95,14 +95,14 @@ static int twl6040_clk_probe(struct platform_device *pdev)
if (IS_ERR(clkdata->clk))
return PTR_ERR(clkdata->clk);
- dev_set_drvdata(&pdev->dev, clkdata);
+ platform_set_drvdata(pdev, clkdata);
return 0;
}
static int twl6040_clk_remove(struct platform_device *pdev)
{
- struct twl6040_clk *clkdata = dev_get_drvdata(&pdev->dev);
+ struct twl6040_clk *clkdata = platform_get_drvdata(pdev);
clk_unregister(clkdata->clk);
diff --git a/drivers/clk/clk-u300.c b/drivers/clk/clk-u300.c
index a15f7928fb11..8774e058cb6c 100644
--- a/drivers/clk/clk-u300.c
+++ b/drivers/clk/clk-u300.c
@@ -11,7 +11,349 @@
#include <linux/io.h>
#include <linux/clk-provider.h>
#include <linux/spinlock.h>
-#include <mach/syscon.h>
+#include <linux/of.h>
+
+/* APP side SYSCON registers */
+/* CLK Control Register 16bit (R/W) */
+#define U300_SYSCON_CCR (0x0000)
+#define U300_SYSCON_CCR_I2S1_USE_VCXO (0x0040)
+#define U300_SYSCON_CCR_I2S0_USE_VCXO (0x0020)
+#define U300_SYSCON_CCR_TURN_VCXO_ON (0x0008)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK (0x0007)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER (0x04)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW (0x03)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE (0x02)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH (0x01)
+#define U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST (0x00)
+/* CLK Status Register 16bit (R/W) */
+#define U300_SYSCON_CSR (0x0004)
+#define U300_SYSCON_CSR_PLL208_LOCK_IND (0x0002)
+#define U300_SYSCON_CSR_PLL13_LOCK_IND (0x0001)
+/* Reset lines for SLOW devices 16bit (R/W) */
+#define U300_SYSCON_RSR (0x0014)
+#define U300_SYSCON_RSR_PPM_RESET_EN (0x0200)
+#define U300_SYSCON_RSR_ACC_TMR_RESET_EN (0x0100)
+#define U300_SYSCON_RSR_APP_TMR_RESET_EN (0x0080)
+#define U300_SYSCON_RSR_RTC_RESET_EN (0x0040)
+#define U300_SYSCON_RSR_KEYPAD_RESET_EN (0x0020)
+#define U300_SYSCON_RSR_GPIO_RESET_EN (0x0010)
+#define U300_SYSCON_RSR_EH_RESET_EN (0x0008)
+#define U300_SYSCON_RSR_BTR_RESET_EN (0x0004)
+#define U300_SYSCON_RSR_UART_RESET_EN (0x0002)
+#define U300_SYSCON_RSR_SLOW_BRIDGE_RESET_EN (0x0001)
+/* Reset lines for FAST devices 16bit (R/W) */
+#define U300_SYSCON_RFR (0x0018)
+#define U300_SYSCON_RFR_UART1_RESET_ENABLE (0x0080)
+#define U300_SYSCON_RFR_SPI_RESET_ENABLE (0x0040)
+#define U300_SYSCON_RFR_MMC_RESET_ENABLE (0x0020)
+#define U300_SYSCON_RFR_PCM_I2S1_RESET_ENABLE (0x0010)
+#define U300_SYSCON_RFR_PCM_I2S0_RESET_ENABLE (0x0008)
+#define U300_SYSCON_RFR_I2C1_RESET_ENABLE (0x0004)
+#define U300_SYSCON_RFR_I2C0_RESET_ENABLE (0x0002)
+#define U300_SYSCON_RFR_FAST_BRIDGE_RESET_ENABLE (0x0001)
+/* Reset lines for the rest of the peripherals 16bit (R/W) */
+#define U300_SYSCON_RRR (0x001c)
+#define U300_SYSCON_RRR_CDS_RESET_EN (0x4000)
+#define U300_SYSCON_RRR_ISP_RESET_EN (0x2000)
+#define U300_SYSCON_RRR_INTCON_RESET_EN (0x1000)
+#define U300_SYSCON_RRR_MSPRO_RESET_EN (0x0800)
+#define U300_SYSCON_RRR_XGAM_RESET_EN (0x0100)
+#define U300_SYSCON_RRR_XGAM_VC_SYNC_RESET_EN (0x0080)
+#define U300_SYSCON_RRR_NANDIF_RESET_EN (0x0040)
+#define U300_SYSCON_RRR_EMIF_RESET_EN (0x0020)
+#define U300_SYSCON_RRR_DMAC_RESET_EN (0x0010)
+#define U300_SYSCON_RRR_CPU_RESET_EN (0x0008)
+#define U300_SYSCON_RRR_APEX_RESET_EN (0x0004)
+#define U300_SYSCON_RRR_AHB_RESET_EN (0x0002)
+#define U300_SYSCON_RRR_AAIF_RESET_EN (0x0001)
+/* Clock enable for SLOW peripherals 16bit (R/W) */
+#define U300_SYSCON_CESR (0x0020)
+#define U300_SYSCON_CESR_PPM_CLK_EN (0x0200)
+#define U300_SYSCON_CESR_ACC_TMR_CLK_EN (0x0100)
+#define U300_SYSCON_CESR_APP_TMR_CLK_EN (0x0080)
+#define U300_SYSCON_CESR_KEYPAD_CLK_EN (0x0040)
+#define U300_SYSCON_CESR_GPIO_CLK_EN (0x0010)
+#define U300_SYSCON_CESR_EH_CLK_EN (0x0008)
+#define U300_SYSCON_CESR_BTR_CLK_EN (0x0004)
+#define U300_SYSCON_CESR_UART_CLK_EN (0x0002)
+#define U300_SYSCON_CESR_SLOW_BRIDGE_CLK_EN (0x0001)
+/* Clock enable for FAST peripherals 16bit (R/W) */
+#define U300_SYSCON_CEFR (0x0024)
+#define U300_SYSCON_CEFR_UART1_CLK_EN (0x0200)
+#define U300_SYSCON_CEFR_I2S1_CORE_CLK_EN (0x0100)
+#define U300_SYSCON_CEFR_I2S0_CORE_CLK_EN (0x0080)
+#define U300_SYSCON_CEFR_SPI_CLK_EN (0x0040)
+#define U300_SYSCON_CEFR_MMC_CLK_EN (0x0020)
+#define U300_SYSCON_CEFR_I2S1_CLK_EN (0x0010)
+#define U300_SYSCON_CEFR_I2S0_CLK_EN (0x0008)
+#define U300_SYSCON_CEFR_I2C1_CLK_EN (0x0004)
+#define U300_SYSCON_CEFR_I2C0_CLK_EN (0x0002)
+#define U300_SYSCON_CEFR_FAST_BRIDGE_CLK_EN (0x0001)
+/* Clock enable for the rest of the peripherals 16bit (R/W) */
+#define U300_SYSCON_CERR (0x0028)
+#define U300_SYSCON_CERR_CDS_CLK_EN (0x2000)
+#define U300_SYSCON_CERR_ISP_CLK_EN (0x1000)
+#define U300_SYSCON_CERR_MSPRO_CLK_EN (0x0800)
+#define U300_SYSCON_CERR_AHB_SUBSYS_BRIDGE_CLK_EN (0x0400)
+#define U300_SYSCON_CERR_SEMI_CLK_EN (0x0200)
+#define U300_SYSCON_CERR_XGAM_CLK_EN (0x0100)
+#define U300_SYSCON_CERR_VIDEO_ENC_CLK_EN (0x0080)
+#define U300_SYSCON_CERR_NANDIF_CLK_EN (0x0040)
+#define U300_SYSCON_CERR_EMIF_CLK_EN (0x0020)
+#define U300_SYSCON_CERR_DMAC_CLK_EN (0x0010)
+#define U300_SYSCON_CERR_CPU_CLK_EN (0x0008)
+#define U300_SYSCON_CERR_APEX_CLK_EN (0x0004)
+#define U300_SYSCON_CERR_AHB_CLK_EN (0x0002)
+#define U300_SYSCON_CERR_AAIF_CLK_EN (0x0001)
+/* Single block clock enable 16bit (-/W) */
+#define U300_SYSCON_SBCER (0x002c)
+#define U300_SYSCON_SBCER_PPM_CLK_EN (0x0009)
+#define U300_SYSCON_SBCER_ACC_TMR_CLK_EN (0x0008)
+#define U300_SYSCON_SBCER_APP_TMR_CLK_EN (0x0007)
+#define U300_SYSCON_SBCER_KEYPAD_CLK_EN (0x0006)
+#define U300_SYSCON_SBCER_GPIO_CLK_EN (0x0004)
+#define U300_SYSCON_SBCER_EH_CLK_EN (0x0003)
+#define U300_SYSCON_SBCER_BTR_CLK_EN (0x0002)
+#define U300_SYSCON_SBCER_UART_CLK_EN (0x0001)
+#define U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN (0x0000)
+#define U300_SYSCON_SBCER_UART1_CLK_EN (0x0019)
+#define U300_SYSCON_SBCER_I2S1_CORE_CLK_EN (0x0018)
+#define U300_SYSCON_SBCER_I2S0_CORE_CLK_EN (0x0017)
+#define U300_SYSCON_SBCER_SPI_CLK_EN (0x0016)
+#define U300_SYSCON_SBCER_MMC_CLK_EN (0x0015)
+#define U300_SYSCON_SBCER_I2S1_CLK_EN (0x0014)
+#define U300_SYSCON_SBCER_I2S0_CLK_EN (0x0013)
+#define U300_SYSCON_SBCER_I2C1_CLK_EN (0x0012)
+#define U300_SYSCON_SBCER_I2C0_CLK_EN (0x0011)
+#define U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN (0x0010)
+#define U300_SYSCON_SBCER_CDS_CLK_EN (0x002D)
+#define U300_SYSCON_SBCER_ISP_CLK_EN (0x002C)
+#define U300_SYSCON_SBCER_MSPRO_CLK_EN (0x002B)
+#define U300_SYSCON_SBCER_AHB_SUBSYS_BRIDGE_CLK_EN (0x002A)
+#define U300_SYSCON_SBCER_SEMI_CLK_EN (0x0029)
+#define U300_SYSCON_SBCER_XGAM_CLK_EN (0x0028)
+#define U300_SYSCON_SBCER_VIDEO_ENC_CLK_EN (0x0027)
+#define U300_SYSCON_SBCER_NANDIF_CLK_EN (0x0026)
+#define U300_SYSCON_SBCER_EMIF_CLK_EN (0x0025)
+#define U300_SYSCON_SBCER_DMAC_CLK_EN (0x0024)
+#define U300_SYSCON_SBCER_CPU_CLK_EN (0x0023)
+#define U300_SYSCON_SBCER_APEX_CLK_EN (0x0022)
+#define U300_SYSCON_SBCER_AHB_CLK_EN (0x0021)
+#define U300_SYSCON_SBCER_AAIF_CLK_EN (0x0020)
+/* Single block clock disable 16bit (-/W) */
+#define U300_SYSCON_SBCDR (0x0030)
+/* Same values as above for SBCER */
+/* Clock force SLOW peripherals 16bit (R/W) */
+#define U300_SYSCON_CFSR (0x003c)
+#define U300_SYSCON_CFSR_PPM_CLK_FORCE_EN (0x0200)
+#define U300_SYSCON_CFSR_ACC_TMR_CLK_FORCE_EN (0x0100)
+#define U300_SYSCON_CFSR_APP_TMR_CLK_FORCE_EN (0x0080)
+#define U300_SYSCON_CFSR_KEYPAD_CLK_FORCE_EN (0x0020)
+#define U300_SYSCON_CFSR_GPIO_CLK_FORCE_EN (0x0010)
+#define U300_SYSCON_CFSR_EH_CLK_FORCE_EN (0x0008)
+#define U300_SYSCON_CFSR_BTR_CLK_FORCE_EN (0x0004)
+#define U300_SYSCON_CFSR_UART_CLK_FORCE_EN (0x0002)
+#define U300_SYSCON_CFSR_SLOW_BRIDGE_CLK_FORCE_EN (0x0001)
+/* Clock force FAST peripherals 16bit (R/W) */
+#define U300_SYSCON_CFFR (0x40)
+/* Values not defined. Define if you want to use them. */
+/* Clock force the rest of the peripherals 16bit (R/W) */
+#define U300_SYSCON_CFRR (0x44)
+#define U300_SYSCON_CFRR_CDS_CLK_FORCE_EN (0x2000)
+#define U300_SYSCON_CFRR_ISP_CLK_FORCE_EN (0x1000)
+#define U300_SYSCON_CFRR_MSPRO_CLK_FORCE_EN (0x0800)
+#define U300_SYSCON_CFRR_AHB_SUBSYS_BRIDGE_CLK_FORCE_EN (0x0400)
+#define U300_SYSCON_CFRR_SEMI_CLK_FORCE_EN (0x0200)
+#define U300_SYSCON_CFRR_XGAM_CLK_FORCE_EN (0x0100)
+#define U300_SYSCON_CFRR_VIDEO_ENC_CLK_FORCE_EN (0x0080)
+#define U300_SYSCON_CFRR_NANDIF_CLK_FORCE_EN (0x0040)
+#define U300_SYSCON_CFRR_EMIF_CLK_FORCE_EN (0x0020)
+#define U300_SYSCON_CFRR_DMAC_CLK_FORCE_EN (0x0010)
+#define U300_SYSCON_CFRR_CPU_CLK_FORCE_EN (0x0008)
+#define U300_SYSCON_CFRR_APEX_CLK_FORCE_EN (0x0004)
+#define U300_SYSCON_CFRR_AHB_CLK_FORCE_EN (0x0002)
+#define U300_SYSCON_CFRR_AAIF_CLK_FORCE_EN (0x0001)
+/* PLL208 Frequency Control 16bit (R/W) */
+#define U300_SYSCON_PFCR (0x48)
+#define U300_SYSCON_PFCR_DPLL_MULT_NUM (0x000F)
+/* Power Management Control 16bit (R/W) */
+#define U300_SYSCON_PMCR (0x50)
+#define U300_SYSCON_PMCR_DCON_ENABLE (0x0002)
+#define U300_SYSCON_PMCR_PWR_MGNT_ENABLE (0x0001)
+/* Reset Out 16bit (R/W) */
+#define U300_SYSCON_RCR (0x6c)
+#define U300_SYSCON_RCR_RESOUT0_RST_N_DISABLE (0x0001)
+/* EMIF Slew Rate Control 16bit (R/W) */
+#define U300_SYSCON_SRCLR (0x70)
+#define U300_SYSCON_SRCLR_MASK (0x03FF)
+#define U300_SYSCON_SRCLR_VALUE (0x03FF)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_5_B (0x0200)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_5_A (0x0100)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_4_B (0x0080)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_4_A (0x0040)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_3_B (0x0020)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_3_A (0x0010)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_2_B (0x0008)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_2_A (0x0004)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_1_B (0x0002)
+#define U300_SYSCON_SRCLR_EMIF_1_SLRC_1_A (0x0001)
+/* EMIF Clock Control Register 16bit (R/W) */
+#define U300_SYSCON_ECCR (0x0078)
+#define U300_SYSCON_ECCR_MASK (0x000F)
+#define U300_SYSCON_ECCR_EMIF_1_STATIC_CLK_EN_N_DISABLE (0x0008)
+#define U300_SYSCON_ECCR_EMIF_1_RET_OUT_CLK_EN_N_DISABLE (0x0004)
+#define U300_SYSCON_ECCR_EMIF_MEMCLK_RET_EN_N_DISABLE (0x0002)
+#define U300_SYSCON_ECCR_EMIF_SDRCLK_RET_EN_N_DISABLE (0x0001)
+/* MMC/MSPRO frequency divider register 0 16bit (R/W) */
+#define U300_SYSCON_MMF0R (0x90)
+#define U300_SYSCON_MMF0R_MASK (0x00FF)
+#define U300_SYSCON_MMF0R_FREQ_0_HIGH_MASK (0x00F0)
+#define U300_SYSCON_MMF0R_FREQ_0_LOW_MASK (0x000F)
+/* MMC/MSPRO frequency divider register 1 16bit (R/W) */
+#define U300_SYSCON_MMF1R (0x94)
+#define U300_SYSCON_MMF1R_MASK (0x00FF)
+#define U300_SYSCON_MMF1R_FREQ_1_HIGH_MASK (0x00F0)
+#define U300_SYSCON_MMF1R_FREQ_1_LOW_MASK (0x000F)
+/* Clock control for the MMC and MSPRO blocks 16bit (R/W) */
+#define U300_SYSCON_MMCR (0x9C)
+#define U300_SYSCON_MMCR_MASK (0x0003)
+#define U300_SYSCON_MMCR_MMC_FB_CLK_SEL_ENABLE (0x0002)
+#define U300_SYSCON_MMCR_MSPRO_FREQSEL_ENABLE (0x0001)
+/* SYS_0_CLK_CONTROL first clock control 16bit (R/W) */
+#define U300_SYSCON_S0CCR (0x120)
+#define U300_SYSCON_S0CCR_FIELD_MASK (0x43FF)
+#define U300_SYSCON_S0CCR_CLOCK_REQ (0x4000)
+#define U300_SYSCON_S0CCR_CLOCK_REQ_MONITOR (0x2000)
+#define U300_SYSCON_S0CCR_CLOCK_INV (0x0200)
+#define U300_SYSCON_S0CCR_CLOCK_FREQ_MASK (0x01E0)
+#define U300_SYSCON_S0CCR_CLOCK_SELECT_MASK (0x001E)
+#define U300_SYSCON_S0CCR_CLOCK_ENABLE (0x0001)
+#define U300_SYSCON_S0CCR_SEL_MCLK (0x8<<1)
+#define U300_SYSCON_S0CCR_SEL_ACC_FSM_CLK (0xA<<1)
+#define U300_SYSCON_S0CCR_SEL_PLL60_48_CLK (0xC<<1)
+#define U300_SYSCON_S0CCR_SEL_PLL60_60_CLK (0xD<<1)
+#define U300_SYSCON_S0CCR_SEL_ACC_PLL208_CLK (0xE<<1)
+#define U300_SYSCON_S0CCR_SEL_APP_PLL13_CLK (0x0<<1)
+#define U300_SYSCON_S0CCR_SEL_APP_FSM_CLK (0x2<<1)
+#define U300_SYSCON_S0CCR_SEL_RTC_CLK (0x4<<1)
+#define U300_SYSCON_S0CCR_SEL_APP_PLL208_CLK (0x6<<1)
+/* SYS_1_CLK_CONTROL second clock control 16 bit (R/W) */
+#define U300_SYSCON_S1CCR (0x124)
+#define U300_SYSCON_S1CCR_FIELD_MASK (0x43FF)
+#define U300_SYSCON_S1CCR_CLOCK_REQ (0x4000)
+#define U300_SYSCON_S1CCR_CLOCK_REQ_MONITOR (0x2000)
+#define U300_SYSCON_S1CCR_CLOCK_INV (0x0200)
+#define U300_SYSCON_S1CCR_CLOCK_FREQ_MASK (0x01E0)
+#define U300_SYSCON_S1CCR_CLOCK_SELECT_MASK (0x001E)
+#define U300_SYSCON_S1CCR_CLOCK_ENABLE (0x0001)
+#define U300_SYSCON_S1CCR_SEL_MCLK (0x8<<1)
+#define U300_SYSCON_S1CCR_SEL_ACC_FSM_CLK (0xA<<1)
+#define U300_SYSCON_S1CCR_SEL_PLL60_48_CLK (0xC<<1)
+#define U300_SYSCON_S1CCR_SEL_PLL60_60_CLK (0xD<<1)
+#define U300_SYSCON_S1CCR_SEL_ACC_PLL208_CLK (0xE<<1)
+#define U300_SYSCON_S1CCR_SEL_ACC_PLL13_CLK (0x0<<1)
+#define U300_SYSCON_S1CCR_SEL_APP_FSM_CLK (0x2<<1)
+#define U300_SYSCON_S1CCR_SEL_RTC_CLK (0x4<<1)
+#define U300_SYSCON_S1CCR_SEL_APP_PLL208_CLK (0x6<<1)
+/* SYS_2_CLK_CONTROL third clock contol 16 bit (R/W) */
+#define U300_SYSCON_S2CCR (0x128)
+#define U300_SYSCON_S2CCR_FIELD_MASK (0xC3FF)
+#define U300_SYSCON_S2CCR_CLK_STEAL (0x8000)
+#define U300_SYSCON_S2CCR_CLOCK_REQ (0x4000)
+#define U300_SYSCON_S2CCR_CLOCK_REQ_MONITOR (0x2000)
+#define U300_SYSCON_S2CCR_CLOCK_INV (0x0200)
+#define U300_SYSCON_S2CCR_CLOCK_FREQ_MASK (0x01E0)
+#define U300_SYSCON_S2CCR_CLOCK_SELECT_MASK (0x001E)
+#define U300_SYSCON_S2CCR_CLOCK_ENABLE (0x0001)
+#define U300_SYSCON_S2CCR_SEL_MCLK (0x8<<1)
+#define U300_SYSCON_S2CCR_SEL_ACC_FSM_CLK (0xA<<1)
+#define U300_SYSCON_S2CCR_SEL_PLL60_48_CLK (0xC<<1)
+#define U300_SYSCON_S2CCR_SEL_PLL60_60_CLK (0xD<<1)
+#define U300_SYSCON_S2CCR_SEL_ACC_PLL208_CLK (0xE<<1)
+#define U300_SYSCON_S2CCR_SEL_ACC_PLL13_CLK (0x0<<1)
+#define U300_SYSCON_S2CCR_SEL_APP_FSM_CLK (0x2<<1)
+#define U300_SYSCON_S2CCR_SEL_RTC_CLK (0x4<<1)
+#define U300_SYSCON_S2CCR_SEL_APP_PLL208_CLK (0x6<<1)
+/* SC_PLL_IRQ_CONTROL 16bit (R/W) */
+#define U300_SYSCON_PICR (0x0130)
+#define U300_SYSCON_PICR_MASK (0x00FF)
+#define U300_SYSCON_PICR_FORCE_PLL208_LOCK_LOW_ENABLE (0x0080)
+#define U300_SYSCON_PICR_FORCE_PLL208_LOCK_HIGH_ENABLE (0x0040)
+#define U300_SYSCON_PICR_FORCE_PLL13_LOCK_LOW_ENABLE (0x0020)
+#define U300_SYSCON_PICR_FORCE_PLL13_LOCK_HIGH_ENABLE (0x0010)
+#define U300_SYSCON_PICR_IRQMASK_PLL13_UNLOCK_ENABLE (0x0008)
+#define U300_SYSCON_PICR_IRQMASK_PLL13_LOCK_ENABLE (0x0004)
+#define U300_SYSCON_PICR_IRQMASK_PLL208_UNLOCK_ENABLE (0x0002)
+#define U300_SYSCON_PICR_IRQMASK_PLL208_LOCK_ENABLE (0x0001)
+/* SC_PLL_IRQ_STATUS 16 bit (R/-) */
+#define U300_SYSCON_PISR (0x0134)
+#define U300_SYSCON_PISR_MASK (0x000F)
+#define U300_SYSCON_PISR_PLL13_UNLOCK_IND (0x0008)
+#define U300_SYSCON_PISR_PLL13_LOCK_IND (0x0004)
+#define U300_SYSCON_PISR_PLL208_UNLOCK_IND (0x0002)
+#define U300_SYSCON_PISR_PLL208_LOCK_IND (0x0001)
+/* SC_PLL_IRQ_CLEAR 16 bit (-/W) */
+#define U300_SYSCON_PICLR (0x0138)
+#define U300_SYSCON_PICLR_MASK (0x000F)
+#define U300_SYSCON_PICLR_RWMASK (0x0000)
+#define U300_SYSCON_PICLR_PLL13_UNLOCK_SC (0x0008)
+#define U300_SYSCON_PICLR_PLL13_LOCK_SC (0x0004)
+#define U300_SYSCON_PICLR_PLL208_UNLOCK_SC (0x0002)
+#define U300_SYSCON_PICLR_PLL208_LOCK_SC (0x0001)
+/* Clock activity observability register 0 */
+#define U300_SYSCON_C0OAR (0x140)
+#define U300_SYSCON_C0OAR_MASK (0xFFFF)
+#define U300_SYSCON_C0OAR_VALUE (0xFFFF)
+#define U300_SYSCON_C0OAR_BT_H_CLK (0x8000)
+#define U300_SYSCON_C0OAR_ASPB_P_CLK (0x4000)
+#define U300_SYSCON_C0OAR_APP_SEMI_H_CLK (0x2000)
+#define U300_SYSCON_C0OAR_APP_SEMI_CLK (0x1000)
+#define U300_SYSCON_C0OAR_APP_MMC_MSPRO_CLK (0x0800)
+#define U300_SYSCON_C0OAR_APP_I2S1_CLK (0x0400)
+#define U300_SYSCON_C0OAR_APP_I2S0_CLK (0x0200)
+#define U300_SYSCON_C0OAR_APP_CPU_CLK (0x0100)
+#define U300_SYSCON_C0OAR_APP_52_CLK (0x0080)
+#define U300_SYSCON_C0OAR_APP_208_CLK (0x0040)
+#define U300_SYSCON_C0OAR_APP_104_CLK (0x0020)
+#define U300_SYSCON_C0OAR_APEX_CLK (0x0010)
+#define U300_SYSCON_C0OAR_AHPB_M_H_CLK (0x0008)
+#define U300_SYSCON_C0OAR_AHB_CLK (0x0004)
+#define U300_SYSCON_C0OAR_AFPB_P_CLK (0x0002)
+#define U300_SYSCON_C0OAR_AAIF_CLK (0x0001)
+/* Clock activity observability register 1 */
+#define U300_SYSCON_C1OAR (0x144)
+#define U300_SYSCON_C1OAR_MASK (0x3FFE)
+#define U300_SYSCON_C1OAR_VALUE (0x3FFE)
+#define U300_SYSCON_C1OAR_NFIF_F_CLK (0x2000)
+#define U300_SYSCON_C1OAR_MSPRO_CLK (0x1000)
+#define U300_SYSCON_C1OAR_MMC_P_CLK (0x0800)
+#define U300_SYSCON_C1OAR_MMC_CLK (0x0400)
+#define U300_SYSCON_C1OAR_KP_P_CLK (0x0200)
+#define U300_SYSCON_C1OAR_I2C1_P_CLK (0x0100)
+#define U300_SYSCON_C1OAR_I2C0_P_CLK (0x0080)
+#define U300_SYSCON_C1OAR_GPIO_CLK (0x0040)
+#define U300_SYSCON_C1OAR_EMIF_MPMC_CLK (0x0020)
+#define U300_SYSCON_C1OAR_EMIF_H_CLK (0x0010)
+#define U300_SYSCON_C1OAR_EVHIST_CLK (0x0008)
+#define U300_SYSCON_C1OAR_PPM_CLK (0x0004)
+#define U300_SYSCON_C1OAR_DMA_CLK (0x0002)
+/* Clock activity observability register 2 */
+#define U300_SYSCON_C2OAR (0x148)
+#define U300_SYSCON_C2OAR_MASK (0x0FFF)
+#define U300_SYSCON_C2OAR_VALUE (0x0FFF)
+#define U300_SYSCON_C2OAR_XGAM_CDI_CLK (0x0800)
+#define U300_SYSCON_C2OAR_XGAM_CLK (0x0400)
+#define U300_SYSCON_C2OAR_VC_H_CLK (0x0200)
+#define U300_SYSCON_C2OAR_VC_CLK (0x0100)
+#define U300_SYSCON_C2OAR_UA_P_CLK (0x0080)
+#define U300_SYSCON_C2OAR_TMR1_CLK (0x0040)
+#define U300_SYSCON_C2OAR_TMR0_CLK (0x0020)
+#define U300_SYSCON_C2OAR_SPI_P_CLK (0x0010)
+#define U300_SYSCON_C2OAR_PCM_I2S1_CORE_CLK (0x0008)
+#define U300_SYSCON_C2OAR_PCM_I2S1_CLK (0x0004)
+#define U300_SYSCON_C2OAR_PCM_I2S0_CORE_CLK (0x0002)
+#define U300_SYSCON_C2OAR_PCM_I2S0_CLK (0x0001)
+
/*
* The clocking hierarchy currently looks like this.
@@ -386,6 +728,213 @@ syscon_clk_register(struct device *dev, const char *name,
return clk;
}
+#define U300_CLK_TYPE_SLOW 0
+#define U300_CLK_TYPE_FAST 1
+#define U300_CLK_TYPE_REST 2
+
+/**
+ * struct u300_clock - defines the bits and pieces for a certain clock
+ * @type: the clock type, slow fast or rest
+ * @id: the bit in the slow/fast/rest register for this clock
+ * @hw_ctrld: whether the clock is hardware controlled
+ * @clk_val: a value to poke in the one-write enable/disable registers
+ */
+struct u300_clock {
+ u8 type;
+ u8 id;
+ bool hw_ctrld;
+ u16 clk_val;
+};
+
+struct u300_clock const __initconst u300_clk_lookup[] = {
+ {
+ .type = U300_CLK_TYPE_REST,
+ .id = 3,
+ .hw_ctrld = true,
+ .clk_val = U300_SYSCON_SBCER_CPU_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_REST,
+ .id = 4,
+ .hw_ctrld = true,
+ .clk_val = U300_SYSCON_SBCER_DMAC_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_REST,
+ .id = 5,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_EMIF_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_REST,
+ .id = 6,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_NANDIF_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_REST,
+ .id = 8,
+ .hw_ctrld = true,
+ .clk_val = U300_SYSCON_SBCER_XGAM_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_REST,
+ .id = 9,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_SEMI_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_REST,
+ .id = 10,
+ .hw_ctrld = true,
+ .clk_val = U300_SYSCON_SBCER_AHB_SUBSYS_BRIDGE_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_REST,
+ .id = 12,
+ .hw_ctrld = false,
+ /* INTCON: cannot be enabled, just taken out of reset */
+ .clk_val = 0xFFFFU,
+ },
+ {
+ .type = U300_CLK_TYPE_FAST,
+ .id = 0,
+ .hw_ctrld = true,
+ .clk_val = U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_FAST,
+ .id = 1,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_I2C0_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_FAST,
+ .id = 2,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_I2C1_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_FAST,
+ .id = 5,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_MMC_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_FAST,
+ .id = 6,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_SPI_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_SLOW,
+ .id = 0,
+ .hw_ctrld = true,
+ .clk_val = U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_SLOW,
+ .id = 1,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_UART_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_SLOW,
+ .id = 4,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_GPIO_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_SLOW,
+ .id = 6,
+ .hw_ctrld = true,
+ /* No clock enable register bit */
+ .clk_val = 0xFFFFU,
+ },
+ {
+ .type = U300_CLK_TYPE_SLOW,
+ .id = 7,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_APP_TMR_CLK_EN,
+ },
+ {
+ .type = U300_CLK_TYPE_SLOW,
+ .id = 8,
+ .hw_ctrld = false,
+ .clk_val = U300_SYSCON_SBCER_ACC_TMR_CLK_EN,
+ },
+};
+
+static void __init of_u300_syscon_clk_init(struct device_node *np)
+{
+ struct clk *clk = ERR_PTR(-EINVAL);
+ const char *clk_name = np->name;
+ const char *parent_name;
+ void __iomem *res_reg;
+ void __iomem *en_reg;
+ u32 clk_type;
+ u32 clk_id;
+ int i;
+
+ if (of_property_read_u32(np, "clock-type", &clk_type)) {
+ pr_err("%s: syscon clock \"%s\" missing clock-type property\n",
+ __func__, clk_name);
+ return;
+ }
+ if (of_property_read_u32(np, "clock-id", &clk_id)) {
+ pr_err("%s: syscon clock \"%s\" missing clock-id property\n",
+ __func__, clk_name);
+ return;
+ }
+ parent_name = of_clk_get_parent_name(np, 0);
+
+ switch (clk_type) {
+ case U300_CLK_TYPE_SLOW:
+ res_reg = syscon_vbase + U300_SYSCON_RSR;
+ en_reg = syscon_vbase + U300_SYSCON_CESR;
+ break;
+ case U300_CLK_TYPE_FAST:
+ res_reg = syscon_vbase + U300_SYSCON_RFR;
+ en_reg = syscon_vbase + U300_SYSCON_CEFR;
+ break;
+ case U300_CLK_TYPE_REST:
+ res_reg = syscon_vbase + U300_SYSCON_RRR;
+ en_reg = syscon_vbase + U300_SYSCON_CERR;
+ break;
+ default:
+ pr_err("unknown clock type %x specified\n", clk_type);
+ return;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(u300_clk_lookup); i++) {
+ const struct u300_clock *u3clk = &u300_clk_lookup[i];
+
+ if (u3clk->type == clk_type && u3clk->id == clk_id)
+ clk = syscon_clk_register(NULL,
+ clk_name, parent_name,
+ 0, u3clk->hw_ctrld,
+ res_reg, u3clk->id,
+ en_reg, u3clk->id,
+ u3clk->clk_val);
+ }
+
+ if (!IS_ERR(clk)) {
+ of_clk_add_provider(np, of_clk_src_simple_get, clk);
+
+ /*
+ * Some few system clocks - device tree does not
+ * represent clocks without a corresponding device node.
+ * for now we add these three clocks here.
+ */
+ if (clk_type == U300_CLK_TYPE_REST && clk_id == 5)
+ clk_register_clkdev(clk, NULL, "pl172");
+ if (clk_type == U300_CLK_TYPE_REST && clk_id == 9)
+ clk_register_clkdev(clk, NULL, "semi");
+ if (clk_type == U300_CLK_TYPE_REST && clk_id == 12)
+ clk_register_clkdev(clk, NULL, "intcon");
+ }
+}
+
/**
* struct clk_mclk - U300 MCLK clock (MMC/SD clock)
* @hw: corresponding clock hardware entry
@@ -590,10 +1139,41 @@ mclk_clk_register(struct device *dev, const char *name,
return clk;
}
+static void __init of_u300_syscon_mclk_init(struct device_node *np)
+{
+ struct clk *clk = ERR_PTR(-EINVAL);
+ const char *clk_name = np->name;
+ const char *parent_name;
+
+ parent_name = of_clk_get_parent_name(np, 0);
+ clk = mclk_clk_register(NULL, clk_name, parent_name, false);
+ if (!IS_ERR(clk))
+ of_clk_add_provider(np, of_clk_src_simple_get, clk);
+}
+
+static const __initconst struct of_device_id u300_clk_match[] = {
+ {
+ .compatible = "fixed-clock",
+ .data = of_fixed_clk_setup,
+ },
+ {
+ .compatible = "fixed-factor-clock",
+ .data = of_fixed_factor_clk_setup,
+ },
+ {
+ .compatible = "stericsson,u300-syscon-clk",
+ .data = of_u300_syscon_clk_init,
+ },
+ {
+ .compatible = "stericsson,u300-syscon-mclk",
+ .data = of_u300_syscon_mclk_init,
+ },
+};
+
+
void __init u300_clk_init(void __iomem *base)
{
u16 val;
- struct clk *clk;
syscon_vbase = base;
@@ -610,137 +1190,5 @@ void __init u300_clk_init(void __iomem *base)
val |= U300_SYSCON_PMCR_PWR_MGNT_ENABLE;
writew(val, syscon_vbase + U300_SYSCON_PMCR);
- /* These are always available (RTC and PLL13) */
- clk = clk_register_fixed_rate(NULL, "app_32_clk", NULL,
- CLK_IS_ROOT, 32768);
- /* The watchdog sits directly on the 32 kHz clock */
- clk_register_clkdev(clk, NULL, "coh901327_wdog");
- clk = clk_register_fixed_rate(NULL, "pll13", NULL,
- CLK_IS_ROOT, 13000000);
-
- /* These derive from PLL208 */
- clk = clk_register_fixed_rate(NULL, "pll208", NULL,
- CLK_IS_ROOT, 208000000);
- clk = clk_register_fixed_factor(NULL, "app_208_clk", "pll208",
- 0, 1, 1);
- clk = clk_register_fixed_factor(NULL, "app_104_clk", "pll208",
- 0, 1, 2);
- clk = clk_register_fixed_factor(NULL, "app_52_clk", "pll208",
- 0, 1, 4);
- /* The 52 MHz is divided down to 26 MHz */
- clk = clk_register_fixed_factor(NULL, "app_26_clk", "app_52_clk",
- 0, 1, 2);
-
- /* Directly on the AMBA interconnect */
- clk = syscon_clk_register(NULL, "cpu_clk", "app_208_clk", 0, true,
- syscon_vbase + U300_SYSCON_RRR, 3,
- syscon_vbase + U300_SYSCON_CERR, 3,
- U300_SYSCON_SBCER_CPU_CLK_EN);
- clk = syscon_clk_register(NULL, "dmac_clk", "app_52_clk", 0, true,
- syscon_vbase + U300_SYSCON_RRR, 4,
- syscon_vbase + U300_SYSCON_CERR, 4,
- U300_SYSCON_SBCER_DMAC_CLK_EN);
- clk_register_clkdev(clk, NULL, "dma");
- clk = syscon_clk_register(NULL, "fsmc_clk", "app_52_clk", 0, false,
- syscon_vbase + U300_SYSCON_RRR, 6,
- syscon_vbase + U300_SYSCON_CERR, 6,
- U300_SYSCON_SBCER_NANDIF_CLK_EN);
- clk_register_clkdev(clk, NULL, "fsmc-nand");
- clk = syscon_clk_register(NULL, "xgam_clk", "app_52_clk", 0, true,
- syscon_vbase + U300_SYSCON_RRR, 8,
- syscon_vbase + U300_SYSCON_CERR, 8,
- U300_SYSCON_SBCER_XGAM_CLK_EN);
- clk_register_clkdev(clk, NULL, "xgam");
- clk = syscon_clk_register(NULL, "semi_clk", "app_104_clk", 0, false,
- syscon_vbase + U300_SYSCON_RRR, 9,
- syscon_vbase + U300_SYSCON_CERR, 9,
- U300_SYSCON_SBCER_SEMI_CLK_EN);
- clk_register_clkdev(clk, NULL, "semi");
-
- /* AHB bridge clocks */
- clk = syscon_clk_register(NULL, "ahb_subsys_clk", "app_52_clk", 0, true,
- syscon_vbase + U300_SYSCON_RRR, 10,
- syscon_vbase + U300_SYSCON_CERR, 10,
- U300_SYSCON_SBCER_AHB_SUBSYS_BRIDGE_CLK_EN);
- clk = syscon_clk_register(NULL, "intcon_clk", "ahb_subsys_clk", 0, false,
- syscon_vbase + U300_SYSCON_RRR, 12,
- syscon_vbase + U300_SYSCON_CERR, 12,
- /* Cannot be enabled, just taken out of reset */
- 0xFFFFU);
- clk_register_clkdev(clk, NULL, "intcon");
- clk = syscon_clk_register(NULL, "emif_clk", "ahb_subsys_clk", 0, false,
- syscon_vbase + U300_SYSCON_RRR, 5,
- syscon_vbase + U300_SYSCON_CERR, 5,
- U300_SYSCON_SBCER_EMIF_CLK_EN);
- clk_register_clkdev(clk, NULL, "pl172");
-
- /* FAST bridge clocks */
- clk = syscon_clk_register(NULL, "fast_clk", "app_26_clk", 0, true,
- syscon_vbase + U300_SYSCON_RFR, 0,
- syscon_vbase + U300_SYSCON_CEFR, 0,
- U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN);
- clk = syscon_clk_register(NULL, "i2c0_p_clk", "fast_clk", 0, false,
- syscon_vbase + U300_SYSCON_RFR, 1,
- syscon_vbase + U300_SYSCON_CEFR, 1,
- U300_SYSCON_SBCER_I2C0_CLK_EN);
- clk_register_clkdev(clk, NULL, "stu300.0");
- clk = syscon_clk_register(NULL, "i2c1_p_clk", "fast_clk", 0, false,
- syscon_vbase + U300_SYSCON_RFR, 2,
- syscon_vbase + U300_SYSCON_CEFR, 2,
- U300_SYSCON_SBCER_I2C1_CLK_EN);
- clk_register_clkdev(clk, NULL, "stu300.1");
- clk = syscon_clk_register(NULL, "mmc_p_clk", "fast_clk", 0, false,
- syscon_vbase + U300_SYSCON_RFR, 5,
- syscon_vbase + U300_SYSCON_CEFR, 5,
- U300_SYSCON_SBCER_MMC_CLK_EN);
- clk_register_clkdev(clk, "apb_pclk", "mmci");
- clk = syscon_clk_register(NULL, "spi_p_clk", "fast_clk", 0, false,
- syscon_vbase + U300_SYSCON_RFR, 6,
- syscon_vbase + U300_SYSCON_CEFR, 6,
- U300_SYSCON_SBCER_SPI_CLK_EN);
- /* The SPI has no external clock for the outward bus, uses the pclk */
- clk_register_clkdev(clk, NULL, "pl022");
- clk_register_clkdev(clk, "apb_pclk", "pl022");
-
- /* SLOW bridge clocks */
- clk = syscon_clk_register(NULL, "slow_clk", "pll13", 0, true,
- syscon_vbase + U300_SYSCON_RSR, 0,
- syscon_vbase + U300_SYSCON_CESR, 0,
- U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN);
- clk = syscon_clk_register(NULL, "uart0_clk", "slow_clk", 0, false,
- syscon_vbase + U300_SYSCON_RSR, 1,
- syscon_vbase + U300_SYSCON_CESR, 1,
- U300_SYSCON_SBCER_UART_CLK_EN);
- /* Same clock is used for APB and outward bus */
- clk_register_clkdev(clk, NULL, "uart0");
- clk_register_clkdev(clk, "apb_pclk", "uart0");
- clk = syscon_clk_register(NULL, "gpio_clk", "slow_clk", 0, false,
- syscon_vbase + U300_SYSCON_RSR, 4,
- syscon_vbase + U300_SYSCON_CESR, 4,
- U300_SYSCON_SBCER_GPIO_CLK_EN);
- clk_register_clkdev(clk, NULL, "u300-gpio");
- clk = syscon_clk_register(NULL, "keypad_clk", "slow_clk", 0, false,
- syscon_vbase + U300_SYSCON_RSR, 5,
- syscon_vbase + U300_SYSCON_CESR, 6,
- U300_SYSCON_SBCER_KEYPAD_CLK_EN);
- clk_register_clkdev(clk, NULL, "coh901461-keypad");
- clk = syscon_clk_register(NULL, "rtc_clk", "slow_clk", 0, true,
- syscon_vbase + U300_SYSCON_RSR, 6,
- /* No clock enable register bit */
- NULL, 0, 0xFFFFU);
- clk_register_clkdev(clk, NULL, "rtc-coh901331");
- clk = syscon_clk_register(NULL, "app_tmr_clk", "slow_clk", 0, false,
- syscon_vbase + U300_SYSCON_RSR, 7,
- syscon_vbase + U300_SYSCON_CESR, 7,
- U300_SYSCON_SBCER_APP_TMR_CLK_EN);
- clk_register_clkdev(clk, NULL, "apptimer");
- clk = syscon_clk_register(NULL, "acc_tmr_clk", "slow_clk", 0, false,
- syscon_vbase + U300_SYSCON_RSR, 8,
- syscon_vbase + U300_SYSCON_CESR, 8,
- U300_SYSCON_SBCER_ACC_TMR_CLK_EN);
- clk_register_clkdev(clk, NULL, "timer");
-
- /* Then this special MMC/SD clock */
- clk = mclk_clk_register(NULL, "mmc_clk", "mmc_p_clk", false);
- clk_register_clkdev(clk, NULL, "mmci");
+ of_clk_init(u300_clk_match);
}
diff --git a/drivers/clk/clk-vt8500.c b/drivers/clk/clk-vt8500.c
index 553ac35bcc91..82306f5fb9c2 100644
--- a/drivers/clk/clk-vt8500.c
+++ b/drivers/clk/clk-vt8500.c
@@ -42,6 +42,7 @@ struct clk_device {
#define PLL_TYPE_VT8500 0
#define PLL_TYPE_WM8650 1
#define PLL_TYPE_WM8750 2
+#define PLL_TYPE_WM8850 3
struct clk_pll {
struct clk_hw hw;
@@ -156,10 +157,6 @@ static int vt8500_dclk_set_rate(struct clk_hw *hw, unsigned long rate,
divisor = parent_rate / rate;
- /* If prate / rate would be decimal, incr the divisor */
- if (rate * divisor < parent_rate)
- divisor++;
-
if (divisor == cdev->div_mask + 1)
divisor = 0;
@@ -327,6 +324,15 @@ CLK_OF_DECLARE(vt8500_device, "via,vt8500-device-clock", vtwm_device_clk_init);
#define WM8750_BITS_TO_VAL(f, m, d1, d2) \
((f << 24) | ((m - 1) << 16) | ((d1 - 1) << 8) | d2)
+/* Helper macros for PLL_WM8850 */
+#define WM8850_PLL_MUL(x) ((((x >> 16) & 0x7F) + 1) * 2)
+#define WM8850_PLL_DIV(x) ((((x >> 8) & 1) + 1) * (1 << (x & 3)))
+
+#define WM8850_BITS_TO_FREQ(r, m, d1, d2) \
+ (r * ((m + 1) * 2) / ((d1+1) * (1 << d2)))
+
+#define WM8850_BITS_TO_VAL(m, d1, d2) \
+ ((((m / 2) - 1) << 16) | ((d1 - 1) << 8) | d2)
static void vt8500_find_pll_bits(unsigned long rate, unsigned long parent_rate,
u32 *multiplier, u32 *prediv)
@@ -466,6 +472,49 @@ static void wm8750_find_pll_bits(unsigned long rate, unsigned long parent_rate,
*divisor2 = best_div2;
}
+static void wm8850_find_pll_bits(unsigned long rate, unsigned long parent_rate,
+ u32 *multiplier, u32 *divisor1, u32 *divisor2)
+{
+ u32 mul, div1, div2;
+ u32 best_mul, best_div1, best_div2;
+ unsigned long tclk, rate_err, best_err;
+
+ best_err = (unsigned long)-1;
+
+ /* Find the closest match (lower or equal to requested) */
+ for (div1 = 1; div1 >= 0; div1--)
+ for (div2 = 3; div2 >= 0; div2--)
+ for (mul = 0; mul <= 127; mul++) {
+ tclk = parent_rate * ((mul + 1) * 2) /
+ ((div1 + 1) * (1 << div2));
+ if (tclk > rate)
+ continue;
+ /* error will always be +ve */
+ rate_err = rate - tclk;
+ if (rate_err == 0) {
+ *multiplier = mul;
+ *divisor1 = div1;
+ *divisor2 = div2;
+ return;
+ }
+
+ if (rate_err < best_err) {
+ best_err = rate_err;
+ best_mul = mul;
+ best_div1 = div1;
+ best_div2 = div2;
+ }
+ }
+
+ /* if we got here, it wasn't an exact match */
+ pr_warn("%s: requested rate %lu, found rate %lu\n", __func__, rate,
+ rate - best_err);
+
+ *multiplier = best_mul;
+ *divisor1 = best_div1;
+ *divisor2 = best_div2;
+}
+
static int vtwm_pll_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
@@ -489,6 +538,10 @@ static int vtwm_pll_set_rate(struct clk_hw *hw, unsigned long rate,
wm8750_find_pll_bits(rate, parent_rate, &filter, &mul, &div1, &div2);
pll_val = WM8750_BITS_TO_VAL(filter, mul, div1, div2);
break;
+ case PLL_TYPE_WM8850:
+ wm8850_find_pll_bits(rate, parent_rate, &mul, &div1, &div2);
+ pll_val = WM8850_BITS_TO_VAL(mul, div1, div2);
+ break;
default:
pr_err("%s: invalid pll type\n", __func__);
return 0;
@@ -525,6 +578,10 @@ static long vtwm_pll_round_rate(struct clk_hw *hw, unsigned long rate,
wm8750_find_pll_bits(rate, *prate, &filter, &mul, &div1, &div2);
round_rate = WM8750_BITS_TO_FREQ(*prate, mul, div1, div2);
break;
+ case PLL_TYPE_WM8850:
+ wm8850_find_pll_bits(rate, *prate, &mul, &div1, &div2);
+ round_rate = WM8850_BITS_TO_FREQ(*prate, mul, div1, div2);
+ break;
default:
round_rate = 0;
}
@@ -552,6 +609,10 @@ static unsigned long vtwm_pll_recalc_rate(struct clk_hw *hw,
pll_freq = parent_rate * WM8750_PLL_MUL(pll_val);
pll_freq /= WM8750_PLL_DIV(pll_val);
break;
+ case PLL_TYPE_WM8850:
+ pll_freq = parent_rate * WM8850_PLL_MUL(pll_val);
+ pll_freq /= WM8850_PLL_DIV(pll_val);
+ break;
default:
pll_freq = 0;
}
@@ -628,6 +689,12 @@ static void __init wm8750_pll_init(struct device_node *node)
}
CLK_OF_DECLARE(wm8750_pll, "wm,wm8750-pll-clock", wm8750_pll_init);
+static void __init wm8850_pll_init(struct device_node *node)
+{
+ vtwm_pll_clk_init(node, PLL_TYPE_WM8850);
+}
+CLK_OF_DECLARE(wm8850_pll, "wm,wm8850-pll-clock", wm8850_pll_init);
+
void __init vtwm_clk_init(void __iomem *base)
{
if (!base)
diff --git a/drivers/clk/clk-wm831x.c b/drivers/clk/clk-wm831x.c
index 16ed06808554..1b3f8c9b98cc 100644
--- a/drivers/clk/clk-wm831x.c
+++ b/drivers/clk/clk-wm831x.c
@@ -97,7 +97,7 @@ static int wm831x_fll_prepare(struct clk_hw *hw)
struct wm831x *wm831x = clkdata->wm831x;
int ret;
- ret = wm831x_set_bits(wm831x, WM831X_FLL_CONTROL_2,
+ ret = wm831x_set_bits(wm831x, WM831X_FLL_CONTROL_1,
WM831X_FLL_ENA, WM831X_FLL_ENA);
if (ret != 0)
dev_crit(wm831x->dev, "Failed to enable FLL: %d\n", ret);
@@ -114,9 +114,9 @@ static void wm831x_fll_unprepare(struct clk_hw *hw)
struct wm831x *wm831x = clkdata->wm831x;
int ret;
- ret = wm831x_set_bits(wm831x, WM831X_FLL_CONTROL_2, WM831X_FLL_ENA, 0);
+ ret = wm831x_set_bits(wm831x, WM831X_FLL_CONTROL_1, WM831X_FLL_ENA, 0);
if (ret != 0)
- dev_crit(wm831x->dev, "Failed to disaable FLL: %d\n", ret);
+ dev_crit(wm831x->dev, "Failed to disable FLL: %d\n", ret);
}
static unsigned long wm831x_fll_recalc_rate(struct clk_hw *hw,
@@ -299,8 +299,8 @@ static void wm831x_clkout_unprepare(struct clk_hw *hw)
}
static const char *wm831x_clkout_parents[] = {
- "xtal",
"fll",
+ "xtal",
};
static u8 wm831x_clkout_get_parent(struct clk_hw *hw)
@@ -318,9 +318,9 @@ static u8 wm831x_clkout_get_parent(struct clk_hw *hw)
}
if (ret & WM831X_CLKOUT_SRC)
- return 0;
- else
return 1;
+ else
+ return 0;
}
static int wm831x_clkout_set_parent(struct clk_hw *hw, u8 parent)
@@ -384,7 +384,7 @@ static int wm831x_clk_probe(struct platform_device *pdev)
if (IS_ERR(clkdata->clkout))
return PTR_ERR(clkdata->clkout);
- dev_set_drvdata(&pdev->dev, clkdata);
+ platform_set_drvdata(pdev, clkdata);
return 0;
}
diff --git a/drivers/clk/clk-zynq.c b/drivers/clk/clk-zynq.c
deleted file mode 100644
index 32062977f453..000000000000
--- a/drivers/clk/clk-zynq.c
+++ /dev/null
@@ -1,378 +0,0 @@
-/*
- * Copyright (c) 2012 National Instruments
- *
- * Josh Cartwright <josh.cartwright@ni.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
- */
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/clk-provider.h>
-#include <linux/clk/zynq.h>
-
-static void __iomem *slcr_base;
-
-struct zynq_pll_clk {
- struct clk_hw hw;
- void __iomem *pll_ctrl;
- void __iomem *pll_cfg;
-};
-
-#define to_zynq_pll_clk(hw) container_of(hw, struct zynq_pll_clk, hw)
-
-#define CTRL_PLL_FDIV(x) ((x) >> 12)
-
-static unsigned long zynq_pll_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct zynq_pll_clk *pll = to_zynq_pll_clk(hw);
- return parent_rate * CTRL_PLL_FDIV(ioread32(pll->pll_ctrl));
-}
-
-static const struct clk_ops zynq_pll_clk_ops = {
- .recalc_rate = zynq_pll_recalc_rate,
-};
-
-static void __init zynq_pll_clk_setup(struct device_node *np)
-{
- struct clk_init_data init;
- struct zynq_pll_clk *pll;
- const char *parent_name;
- struct clk *clk;
- u32 regs[2];
- int ret;
-
- ret = of_property_read_u32_array(np, "reg", regs, ARRAY_SIZE(regs));
- if (WARN_ON(ret))
- return;
-
- pll = kzalloc(sizeof(*pll), GFP_KERNEL);
- if (WARN_ON(!pll))
- return;
-
- pll->pll_ctrl = slcr_base + regs[0];
- pll->pll_cfg = slcr_base + regs[1];
-
- of_property_read_string(np, "clock-output-names", &init.name);
-
- init.ops = &zynq_pll_clk_ops;
- parent_name = of_clk_get_parent_name(np, 0);
- init.parent_names = &parent_name;
- init.num_parents = 1;
-
- pll->hw.init = &init;
-
- clk = clk_register(NULL, &pll->hw);
- if (WARN_ON(IS_ERR(clk)))
- return;
-
- ret = of_clk_add_provider(np, of_clk_src_simple_get, clk);
- if (WARN_ON(ret))
- return;
-}
-CLK_OF_DECLARE(zynq_pll, "xlnx,zynq-pll", zynq_pll_clk_setup);
-
-struct zynq_periph_clk {
- struct clk_hw hw;
- struct clk_onecell_data onecell_data;
- struct clk *gates[2];
- void __iomem *clk_ctrl;
- spinlock_t clkact_lock;
-};
-
-#define to_zynq_periph_clk(hw) container_of(hw, struct zynq_periph_clk, hw)
-
-static const u8 periph_clk_parent_map[] = {
- 0, 0, 1, 2
-};
-#define PERIPH_CLK_CTRL_SRC(x) (periph_clk_parent_map[((x) & 0x30) >> 4])
-#define PERIPH_CLK_CTRL_DIV(x) (((x) & 0x3F00) >> 8)
-
-static unsigned long zynq_periph_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct zynq_periph_clk *periph = to_zynq_periph_clk(hw);
- return parent_rate / PERIPH_CLK_CTRL_DIV(ioread32(periph->clk_ctrl));
-}
-
-static u8 zynq_periph_get_parent(struct clk_hw *hw)
-{
- struct zynq_periph_clk *periph = to_zynq_periph_clk(hw);
- return PERIPH_CLK_CTRL_SRC(ioread32(periph->clk_ctrl));
-}
-
-static const struct clk_ops zynq_periph_clk_ops = {
- .recalc_rate = zynq_periph_recalc_rate,
- .get_parent = zynq_periph_get_parent,
-};
-
-static void __init zynq_periph_clk_setup(struct device_node *np)
-{
- struct zynq_periph_clk *periph;
- const char *parent_names[3];
- struct clk_init_data init;
- int clk_num = 0, err;
- const char *name;
- struct clk *clk;
- u32 reg;
- int i;
-
- err = of_property_read_u32(np, "reg", &reg);
- if (WARN_ON(err))
- return;
-
- periph = kzalloc(sizeof(*periph), GFP_KERNEL);
- if (WARN_ON(!periph))
- return;
-
- periph->clk_ctrl = slcr_base + reg;
- spin_lock_init(&periph->clkact_lock);
-
- init.name = np->name;
- init.ops = &zynq_periph_clk_ops;
- for (i = 0; i < ARRAY_SIZE(parent_names); i++)
- parent_names[i] = of_clk_get_parent_name(np, i);
- init.parent_names = parent_names;
- init.num_parents = ARRAY_SIZE(parent_names);
-
- periph->hw.init = &init;
-
- clk = clk_register(NULL, &periph->hw);
- if (WARN_ON(IS_ERR(clk)))
- return;
-
- err = of_clk_add_provider(np, of_clk_src_simple_get, clk);
- if (WARN_ON(err))
- return;
-
- err = of_property_read_string_index(np, "clock-output-names", 0,
- &name);
- if (WARN_ON(err))
- return;
-
- periph->gates[0] = clk_register_gate(NULL, name, np->name, 0,
- periph->clk_ctrl, 0, 0,
- &periph->clkact_lock);
- if (WARN_ON(IS_ERR(periph->gates[0])))
- return;
- clk_num++;
-
- /* some periph clks have 2 downstream gates */
- err = of_property_read_string_index(np, "clock-output-names", 1,
- &name);
- if (err != -ENODATA) {
- periph->gates[1] = clk_register_gate(NULL, name, np->name, 0,
- periph->clk_ctrl, 1, 0,
- &periph->clkact_lock);
- if (WARN_ON(IS_ERR(periph->gates[1])))
- return;
- clk_num++;
- }
-
- periph->onecell_data.clks = periph->gates;
- periph->onecell_data.clk_num = clk_num;
-
- err = of_clk_add_provider(np, of_clk_src_onecell_get,
- &periph->onecell_data);
- if (WARN_ON(err))
- return;
-}
-CLK_OF_DECLARE(zynq_periph, "xlnx,zynq-periph-clock", zynq_periph_clk_setup);
-
-/* CPU Clock domain is modelled as a mux with 4 children subclks, whose
- * derivative rates depend on CLK_621_TRUE
- */
-
-struct zynq_cpu_clk {
- struct clk_hw hw;
- struct clk_onecell_data onecell_data;
- struct clk *subclks[4];
- void __iomem *clk_ctrl;
- spinlock_t clkact_lock;
-};
-
-#define to_zynq_cpu_clk(hw) container_of(hw, struct zynq_cpu_clk, hw)
-
-static const u8 zynq_cpu_clk_parent_map[] = {
- 1, 1, 2, 0
-};
-#define CPU_CLK_SRCSEL(x) (zynq_cpu_clk_parent_map[(((x) & 0x30) >> 4)])
-#define CPU_CLK_CTRL_DIV(x) (((x) & 0x3F00) >> 8)
-
-static u8 zynq_cpu_clk_get_parent(struct clk_hw *hw)
-{
- struct zynq_cpu_clk *cpuclk = to_zynq_cpu_clk(hw);
- return CPU_CLK_SRCSEL(ioread32(cpuclk->clk_ctrl));
-}
-
-static unsigned long zynq_cpu_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct zynq_cpu_clk *cpuclk = to_zynq_cpu_clk(hw);
- return parent_rate / CPU_CLK_CTRL_DIV(ioread32(cpuclk->clk_ctrl));
-}
-
-static const struct clk_ops zynq_cpu_clk_ops = {
- .get_parent = zynq_cpu_clk_get_parent,
- .recalc_rate = zynq_cpu_clk_recalc_rate,
-};
-
-struct zynq_cpu_subclk {
- struct clk_hw hw;
- void __iomem *clk_621;
- enum {
- CPU_SUBCLK_6X4X,
- CPU_SUBCLK_3X2X,
- CPU_SUBCLK_2X,
- CPU_SUBCLK_1X,
- } which;
-};
-
-#define CLK_621_TRUE(x) ((x) & 1)
-
-#define to_zynq_cpu_subclk(hw) container_of(hw, struct zynq_cpu_subclk, hw);
-
-static unsigned long zynq_cpu_subclk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- unsigned long uninitialized_var(rate);
- struct zynq_cpu_subclk *subclk;
- bool is_621;
-
- subclk = to_zynq_cpu_subclk(hw)
- is_621 = CLK_621_TRUE(ioread32(subclk->clk_621));
-
- switch (subclk->which) {
- case CPU_SUBCLK_6X4X:
- rate = parent_rate;
- break;
- case CPU_SUBCLK_3X2X:
- rate = parent_rate / 2;
- break;
- case CPU_SUBCLK_2X:
- rate = parent_rate / (is_621 ? 3 : 2);
- break;
- case CPU_SUBCLK_1X:
- rate = parent_rate / (is_621 ? 6 : 4);
- break;
- };
-
- return rate;
-}
-
-static const struct clk_ops zynq_cpu_subclk_ops = {
- .recalc_rate = zynq_cpu_subclk_recalc_rate,
-};
-
-static struct clk *zynq_cpu_subclk_setup(struct device_node *np, u8 which,
- void __iomem *clk_621)
-{
- struct zynq_cpu_subclk *subclk;
- struct clk_init_data init;
- struct clk *clk;
- int err;
-
- err = of_property_read_string_index(np, "clock-output-names",
- which, &init.name);
- if (WARN_ON(err))
- goto err_read_output_name;
-
- subclk = kzalloc(sizeof(*subclk), GFP_KERNEL);
- if (!subclk)
- goto err_subclk_alloc;
-
- subclk->clk_621 = clk_621;
- subclk->which = which;
-
- init.ops = &zynq_cpu_subclk_ops;
- init.parent_names = &np->name;
- init.num_parents = 1;
-
- subclk->hw.init = &init;
-
- clk = clk_register(NULL, &subclk->hw);
- if (WARN_ON(IS_ERR(clk)))
- goto err_clk_register;
-
- return clk;
-
-err_clk_register:
- kfree(subclk);
-err_subclk_alloc:
-err_read_output_name:
- return ERR_PTR(-EINVAL);
-}
-
-static void __init zynq_cpu_clk_setup(struct device_node *np)
-{
- struct zynq_cpu_clk *cpuclk;
- const char *parent_names[3];
- struct clk_init_data init;
- void __iomem *clk_621;
- struct clk *clk;
- u32 reg[2];
- int err;
- int i;
-
- err = of_property_read_u32_array(np, "reg", reg, ARRAY_SIZE(reg));
- if (WARN_ON(err))
- return;
-
- cpuclk = kzalloc(sizeof(*cpuclk), GFP_KERNEL);
- if (WARN_ON(!cpuclk))
- return;
-
- cpuclk->clk_ctrl = slcr_base + reg[0];
- clk_621 = slcr_base + reg[1];
- spin_lock_init(&cpuclk->clkact_lock);
-
- init.name = np->name;
- init.ops = &zynq_cpu_clk_ops;
- for (i = 0; i < ARRAY_SIZE(parent_names); i++)
- parent_names[i] = of_clk_get_parent_name(np, i);
- init.parent_names = parent_names;
- init.num_parents = ARRAY_SIZE(parent_names);
-
- cpuclk->hw.init = &init;
-
- clk = clk_register(NULL, &cpuclk->hw);
- if (WARN_ON(IS_ERR(clk)))
- return;
-
- err = of_clk_add_provider(np, of_clk_src_simple_get, clk);
- if (WARN_ON(err))
- return;
-
- for (i = 0; i < 4; i++) {
- cpuclk->subclks[i] = zynq_cpu_subclk_setup(np, i, clk_621);
- if (WARN_ON(IS_ERR(cpuclk->subclks[i])))
- return;
- }
-
- cpuclk->onecell_data.clks = cpuclk->subclks;
- cpuclk->onecell_data.clk_num = i;
-
- err = of_clk_add_provider(np, of_clk_src_onecell_get,
- &cpuclk->onecell_data);
- if (WARN_ON(err))
- return;
-}
-CLK_OF_DECLARE(zynq_cpu, "xlnx,zynq-cpu-clock", zynq_cpu_clk_setup);
-
-void __init xilinx_zynq_clocks_init(void __iomem *slcr)
-{
- slcr_base = slcr;
- of_clk_init(NULL);
-}
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 934cfd18f72d..54a191c5bbf0 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -107,7 +107,7 @@ static void clk_summary_show_one(struct seq_file *s, struct clk *c, int level)
seq_printf(s, "%*s%-*s %-11d %-12d %-10lu",
level * 3 + 1, "",
30 - level * 3, c->name,
- c->enable_count, c->prepare_count, c->rate);
+ c->enable_count, c->prepare_count, clk_get_rate(c));
seq_printf(s, "\n");
}
@@ -166,7 +166,7 @@ static void clk_dump_one(struct seq_file *s, struct clk *c, int level)
seq_printf(s, "\"%s\": { ", c->name);
seq_printf(s, "\"enable_count\": %d,", c->enable_count);
seq_printf(s, "\"prepare_count\": %d,", c->prepare_count);
- seq_printf(s, "\"rate\": %lu", c->rate);
+ seq_printf(s, "\"rate\": %lu", clk_get_rate(c));
}
static void clk_dump_subtree(struct seq_file *s, struct clk *c, int level)
@@ -534,7 +534,7 @@ static int clk_disable_unused(void)
return 0;
}
-late_initcall(clk_disable_unused);
+late_initcall_sync(clk_disable_unused);
/*** helper functions ***/
@@ -1216,7 +1216,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
clk_prepare_lock();
/* bail early if nothing to do */
- if (rate == clk->rate)
+ if (rate == clk_get_rate(clk))
goto out;
if ((clk->flags & CLK_SET_RATE_GATE) && clk->prepare_count) {
@@ -1377,23 +1377,33 @@ static int __clk_set_parent(struct clk *clk, struct clk *parent, u8 p_index)
unsigned long flags;
int ret = 0;
struct clk *old_parent = clk->parent;
- bool migrated_enable = false;
- /* migrate prepare */
- if (clk->prepare_count)
+ /*
+ * Migrate prepare state between parents and prevent race with
+ * clk_enable().
+ *
+ * If the clock is not prepared, then a race with
+ * clk_enable/disable() is impossible since we already have the
+ * prepare lock (future calls to clk_enable() need to be preceded by
+ * a clk_prepare()).
+ *
+ * If the clock is prepared, migrate the prepared state to the new
+ * parent and also protect against a race with clk_enable() by
+ * forcing the clock and the new parent on. This ensures that all
+ * future calls to clk_enable() are practically NOPs with respect to
+ * hardware and software states.
+ *
+ * See also: Comment for clk_set_parent() below.
+ */
+ if (clk->prepare_count) {
__clk_prepare(parent);
-
- flags = clk_enable_lock();
-
- /* migrate enable */
- if (clk->enable_count) {
- __clk_enable(parent);
- migrated_enable = true;
+ clk_enable(parent);
+ clk_enable(clk);
}
/* update the clk tree topology */
+ flags = clk_enable_lock();
clk_reparent(clk, parent);
-
clk_enable_unlock(flags);
/* change clock input source */
@@ -1401,43 +1411,27 @@ static int __clk_set_parent(struct clk *clk, struct clk *parent, u8 p_index)
ret = clk->ops->set_parent(clk->hw, p_index);
if (ret) {
- /*
- * The error handling is tricky due to that we need to release
- * the spinlock while issuing the .set_parent callback. This
- * means the new parent might have been enabled/disabled in
- * between, which must be considered when doing rollback.
- */
flags = clk_enable_lock();
-
clk_reparent(clk, old_parent);
-
- if (migrated_enable && clk->enable_count) {
- __clk_disable(parent);
- } else if (migrated_enable && (clk->enable_count == 0)) {
- __clk_disable(old_parent);
- } else if (!migrated_enable && clk->enable_count) {
- __clk_disable(parent);
- __clk_enable(old_parent);
- }
-
clk_enable_unlock(flags);
- if (clk->prepare_count)
+ if (clk->prepare_count) {
+ clk_disable(clk);
+ clk_disable(parent);
__clk_unprepare(parent);
-
+ }
return ret;
}
- /* clean up enable for old parent if migration was done */
- if (migrated_enable) {
- flags = clk_enable_lock();
- __clk_disable(old_parent);
- clk_enable_unlock(flags);
- }
-
- /* clean up prepare for old parent if migration was done */
- if (clk->prepare_count)
+ /*
+ * Finish the migration of prepare state and undo the changes done
+ * for preventing a race with clk_enable().
+ */
+ if (clk->prepare_count) {
+ clk_disable(clk);
+ clk_disable(old_parent);
__clk_unprepare(old_parent);
+ }
/* update debugfs with new clk tree topology */
clk_debug_reparent(clk, parent);
@@ -1449,12 +1443,17 @@ static int __clk_set_parent(struct clk *clk, struct clk *parent, u8 p_index)
* @clk: the mux clk whose input we are switching
* @parent: the new input to clk
*
- * Re-parent clk to use parent as it's new input source. If clk has the
- * CLK_SET_PARENT_GATE flag set then clk must be gated for this
- * operation to succeed. After successfully changing clk's parent
- * clk_set_parent will update the clk topology, sysfs topology and
- * propagate rate recalculation via __clk_recalc_rates. Returns 0 on
- * success, -EERROR otherwise.
+ * Re-parent clk to use parent as its new input source. If clk is in
+ * prepared state, the clk will get enabled for the duration of this call. If
+ * that's not acceptable for a specific clk (Eg: the consumer can't handle
+ * that, the reparenting is glitchy in hardware, etc), use the
+ * CLK_SET_PARENT_GATE flag to allow reparenting only when clk is unprepared.
+ *
+ * After successfully changing clk's parent clk_set_parent will update the
+ * clk topology, sysfs topology and propagate rate recalculation via
+ * __clk_recalc_rates.
+ *
+ * Returns 0 on success, -EERROR otherwise.
*/
int clk_set_parent(struct clk *clk, struct clk *parent)
{
@@ -1494,8 +1493,7 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
}
/* propagate PRE_RATE_CHANGE notifications */
- if (clk->notifier_count)
- ret = __clk_speculate_rates(clk, p_rate);
+ ret = __clk_speculate_rates(clk, p_rate);
/* abort if a driver objects */
if (ret & NOTIFY_STOP_MASK)
@@ -1955,6 +1953,7 @@ int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb)
/* XXX the notifier code should handle this better */
if (!cn->notifier_head.head) {
srcu_cleanup_notifier_head(&cn->notifier_head);
+ list_del(&cn->node);
kfree(cn);
}
diff --git a/drivers/clk/mvebu/Kconfig b/drivers/clk/mvebu/Kconfig
index 57323fd15ec9..0b0f3e729cf7 100644
--- a/drivers/clk/mvebu/Kconfig
+++ b/drivers/clk/mvebu/Kconfig
@@ -1,8 +1,23 @@
-config MVEBU_CLK_CORE
- bool
+config MVEBU_CLK_COMMON
+ bool
config MVEBU_CLK_CPU
- bool
+ bool
-config MVEBU_CLK_GATING
- bool
+config ARMADA_370_CLK
+ bool
+ select MVEBU_CLK_COMMON
+ select MVEBU_CLK_CPU
+
+config ARMADA_XP_CLK
+ bool
+ select MVEBU_CLK_COMMON
+ select MVEBU_CLK_CPU
+
+config DOVE_CLK
+ bool
+ select MVEBU_CLK_COMMON
+
+config KIRKWOOD_CLK
+ bool
+ select MVEBU_CLK_COMMON
diff --git a/drivers/clk/mvebu/Makefile b/drivers/clk/mvebu/Makefile
index 58df3dc49363..1c7e70c63fb2 100644
--- a/drivers/clk/mvebu/Makefile
+++ b/drivers/clk/mvebu/Makefile
@@ -1,3 +1,7 @@
-obj-$(CONFIG_MVEBU_CLK_CORE) += clk.o clk-core.o
+obj-$(CONFIG_MVEBU_CLK_COMMON) += common.o
obj-$(CONFIG_MVEBU_CLK_CPU) += clk-cpu.o
-obj-$(CONFIG_MVEBU_CLK_GATING) += clk-gating-ctrl.o
+
+obj-$(CONFIG_ARMADA_370_CLK) += armada-370.o
+obj-$(CONFIG_ARMADA_XP_CLK) += armada-xp.o
+obj-$(CONFIG_DOVE_CLK) += dove.o
+obj-$(CONFIG_KIRKWOOD_CLK) += kirkwood.o
diff --git a/drivers/clk/mvebu/armada-370.c b/drivers/clk/mvebu/armada-370.c
new file mode 100644
index 000000000000..079960e7c304
--- /dev/null
+++ b/drivers/clk/mvebu/armada-370.c
@@ -0,0 +1,176 @@
+/*
+ * Marvell Armada 370 SoC clocks
+ *
+ * Copyright (C) 2012 Marvell
+ *
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
+ * Andrew Lunn <andrew@lunn.ch>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include "common.h"
+
+/*
+ * Core Clocks
+ */
+
+#define SARL 0 /* Low part [0:31] */
+#define SARL_A370_PCLK_FREQ_OPT 11
+#define SARL_A370_PCLK_FREQ_OPT_MASK 0xF
+#define SARL_A370_FAB_FREQ_OPT 15
+#define SARL_A370_FAB_FREQ_OPT_MASK 0x1F
+#define SARL_A370_TCLK_FREQ_OPT 20
+#define SARL_A370_TCLK_FREQ_OPT_MASK 0x1
+
+enum { A370_CPU_TO_NBCLK, A370_CPU_TO_HCLK, A370_CPU_TO_DRAMCLK };
+
+static const struct coreclk_ratio __initconst a370_coreclk_ratios[] = {
+ { .id = A370_CPU_TO_NBCLK, .name = "nbclk" },
+ { .id = A370_CPU_TO_HCLK, .name = "hclk" },
+ { .id = A370_CPU_TO_DRAMCLK, .name = "dramclk" },
+};
+
+static const u32 __initconst a370_tclk_freqs[] = {
+ 16600000,
+ 20000000,
+};
+
+static u32 __init a370_get_tclk_freq(void __iomem *sar)
+{
+ u8 tclk_freq_select = 0;
+
+ tclk_freq_select = ((readl(sar) >> SARL_A370_TCLK_FREQ_OPT) &
+ SARL_A370_TCLK_FREQ_OPT_MASK);
+ return a370_tclk_freqs[tclk_freq_select];
+}
+
+static const u32 __initconst a370_cpu_freqs[] = {
+ 400000000,
+ 533000000,
+ 667000000,
+ 800000000,
+ 1000000000,
+ 1067000000,
+ 1200000000,
+};
+
+static u32 __init a370_get_cpu_freq(void __iomem *sar)
+{
+ u32 cpu_freq;
+ u8 cpu_freq_select = 0;
+
+ cpu_freq_select = ((readl(sar) >> SARL_A370_PCLK_FREQ_OPT) &
+ SARL_A370_PCLK_FREQ_OPT_MASK);
+ if (cpu_freq_select >= ARRAY_SIZE(a370_cpu_freqs)) {
+ pr_err("CPU freq select unsupported %d\n", cpu_freq_select);
+ cpu_freq = 0;
+ } else
+ cpu_freq = a370_cpu_freqs[cpu_freq_select];
+
+ return cpu_freq;
+}
+
+static const int __initconst a370_nbclk_ratios[32][2] = {
+ {0, 1}, {1, 2}, {2, 2}, {2, 2},
+ {1, 2}, {1, 2}, {1, 1}, {2, 3},
+ {0, 1}, {1, 2}, {2, 4}, {0, 1},
+ {1, 2}, {0, 1}, {0, 1}, {2, 2},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {2, 3}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+};
+
+static const int __initconst a370_hclk_ratios[32][2] = {
+ {0, 1}, {1, 2}, {2, 6}, {2, 3},
+ {1, 3}, {1, 4}, {1, 2}, {2, 6},
+ {0, 1}, {1, 6}, {2, 10}, {0, 1},
+ {1, 4}, {0, 1}, {0, 1}, {2, 5},
+ {0, 1}, {0, 1}, {0, 1}, {1, 2},
+ {2, 6}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+};
+
+static const int __initconst a370_dramclk_ratios[32][2] = {
+ {0, 1}, {1, 2}, {2, 3}, {2, 3},
+ {1, 3}, {1, 2}, {1, 2}, {2, 6},
+ {0, 1}, {1, 3}, {2, 5}, {0, 1},
+ {1, 4}, {0, 1}, {0, 1}, {2, 5},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {2, 3}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+};
+
+static void __init a370_get_clk_ratio(
+ void __iomem *sar, int id, int *mult, int *div)
+{
+ u32 opt = ((readl(sar) >> SARL_A370_FAB_FREQ_OPT) &
+ SARL_A370_FAB_FREQ_OPT_MASK);
+
+ switch (id) {
+ case A370_CPU_TO_NBCLK:
+ *mult = a370_nbclk_ratios[opt][0];
+ *div = a370_nbclk_ratios[opt][1];
+ break;
+ case A370_CPU_TO_HCLK:
+ *mult = a370_hclk_ratios[opt][0];
+ *div = a370_hclk_ratios[opt][1];
+ break;
+ case A370_CPU_TO_DRAMCLK:
+ *mult = a370_dramclk_ratios[opt][0];
+ *div = a370_dramclk_ratios[opt][1];
+ break;
+ }
+}
+
+static const struct coreclk_soc_desc a370_coreclks = {
+ .get_tclk_freq = a370_get_tclk_freq,
+ .get_cpu_freq = a370_get_cpu_freq,
+ .get_clk_ratio = a370_get_clk_ratio,
+ .ratios = a370_coreclk_ratios,
+ .num_ratios = ARRAY_SIZE(a370_coreclk_ratios),
+};
+
+static void __init a370_coreclk_init(struct device_node *np)
+{
+ mvebu_coreclk_setup(np, &a370_coreclks);
+}
+CLK_OF_DECLARE(a370_core_clk, "marvell,armada-370-core-clock",
+ a370_coreclk_init);
+
+/*
+ * Clock Gating Control
+ */
+
+static const struct clk_gating_soc_desc __initconst a370_gating_desc[] = {
+ { "audio", NULL, 0, 0 },
+ { "pex0_en", NULL, 1, 0 },
+ { "pex1_en", NULL, 2, 0 },
+ { "ge1", NULL, 3, 0 },
+ { "ge0", NULL, 4, 0 },
+ { "pex0", "pex0_en", 5, 0 },
+ { "pex1", "pex1_en", 9, 0 },
+ { "sata0", NULL, 15, 0 },
+ { "sdio", NULL, 17, 0 },
+ { "tdm", NULL, 25, 0 },
+ { "ddr", NULL, 28, CLK_IGNORE_UNUSED },
+ { "sata1", NULL, 30, 0 },
+ { }
+};
+
+static void __init a370_clk_gating_init(struct device_node *np)
+{
+ mvebu_clk_gating_setup(np, a370_gating_desc);
+}
+CLK_OF_DECLARE(a370_clk_gating, "marvell,armada-370-gating-clock",
+ a370_clk_gating_init);
diff --git a/drivers/clk/mvebu/armada-xp.c b/drivers/clk/mvebu/armada-xp.c
new file mode 100644
index 000000000000..13b62ceb3407
--- /dev/null
+++ b/drivers/clk/mvebu/armada-xp.c
@@ -0,0 +1,210 @@
+/*
+ * Marvell Armada XP SoC clocks
+ *
+ * Copyright (C) 2012 Marvell
+ *
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
+ * Andrew Lunn <andrew@lunn.ch>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include "common.h"
+
+/*
+ * Core Clocks
+ *
+ * Armada XP Sample At Reset is a 64 bit bitfiled split in two
+ * register of 32 bits
+ */
+
+#define SARL 0 /* Low part [0:31] */
+#define SARL_AXP_PCLK_FREQ_OPT 21
+#define SARL_AXP_PCLK_FREQ_OPT_MASK 0x7
+#define SARL_AXP_FAB_FREQ_OPT 24
+#define SARL_AXP_FAB_FREQ_OPT_MASK 0xF
+#define SARH 4 /* High part [32:63] */
+#define SARH_AXP_PCLK_FREQ_OPT (52-32)
+#define SARH_AXP_PCLK_FREQ_OPT_MASK 0x1
+#define SARH_AXP_PCLK_FREQ_OPT_SHIFT 3
+#define SARH_AXP_FAB_FREQ_OPT (51-32)
+#define SARH_AXP_FAB_FREQ_OPT_MASK 0x1
+#define SARH_AXP_FAB_FREQ_OPT_SHIFT 4
+
+enum { AXP_CPU_TO_NBCLK, AXP_CPU_TO_HCLK, AXP_CPU_TO_DRAMCLK };
+
+static const struct coreclk_ratio __initconst axp_coreclk_ratios[] = {
+ { .id = AXP_CPU_TO_NBCLK, .name = "nbclk" },
+ { .id = AXP_CPU_TO_HCLK, .name = "hclk" },
+ { .id = AXP_CPU_TO_DRAMCLK, .name = "dramclk" },
+};
+
+/* Armada XP TCLK frequency is fixed to 250MHz */
+static u32 __init axp_get_tclk_freq(void __iomem *sar)
+{
+ return 250000000;
+}
+
+static const u32 __initconst axp_cpu_freqs[] = {
+ 1000000000,
+ 1066000000,
+ 1200000000,
+ 1333000000,
+ 1500000000,
+ 1666000000,
+ 1800000000,
+ 2000000000,
+ 667000000,
+ 0,
+ 800000000,
+ 1600000000,
+};
+
+static u32 __init axp_get_cpu_freq(void __iomem *sar)
+{
+ u32 cpu_freq;
+ u8 cpu_freq_select = 0;
+
+ cpu_freq_select = ((readl(sar + SARL) >> SARL_AXP_PCLK_FREQ_OPT) &
+ SARL_AXP_PCLK_FREQ_OPT_MASK);
+ /*
+ * The upper bit is not contiguous to the other ones and
+ * located in the high part of the SAR registers
+ */
+ cpu_freq_select |= (((readl(sar + SARH) >> SARH_AXP_PCLK_FREQ_OPT) &
+ SARH_AXP_PCLK_FREQ_OPT_MASK) << SARH_AXP_PCLK_FREQ_OPT_SHIFT);
+ if (cpu_freq_select >= ARRAY_SIZE(axp_cpu_freqs)) {
+ pr_err("CPU freq select unsupported: %d\n", cpu_freq_select);
+ cpu_freq = 0;
+ } else
+ cpu_freq = axp_cpu_freqs[cpu_freq_select];
+
+ return cpu_freq;
+}
+
+static const int __initconst axp_nbclk_ratios[32][2] = {
+ {0, 1}, {1, 2}, {2, 2}, {2, 2},
+ {1, 2}, {1, 2}, {1, 1}, {2, 3},
+ {0, 1}, {1, 2}, {2, 4}, {0, 1},
+ {1, 2}, {0, 1}, {0, 1}, {2, 2},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {2, 3}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+};
+
+static const int __initconst axp_hclk_ratios[32][2] = {
+ {0, 1}, {1, 2}, {2, 6}, {2, 3},
+ {1, 3}, {1, 4}, {1, 2}, {2, 6},
+ {0, 1}, {1, 6}, {2, 10}, {0, 1},
+ {1, 4}, {0, 1}, {0, 1}, {2, 5},
+ {0, 1}, {0, 1}, {0, 1}, {1, 2},
+ {2, 6}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+};
+
+static const int __initconst axp_dramclk_ratios[32][2] = {
+ {0, 1}, {1, 2}, {2, 3}, {2, 3},
+ {1, 3}, {1, 2}, {1, 2}, {2, 6},
+ {0, 1}, {1, 3}, {2, 5}, {0, 1},
+ {1, 4}, {0, 1}, {0, 1}, {2, 5},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {2, 3}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {1, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+};
+
+static void __init axp_get_clk_ratio(
+ void __iomem *sar, int id, int *mult, int *div)
+{
+ u32 opt = ((readl(sar + SARL) >> SARL_AXP_FAB_FREQ_OPT) &
+ SARL_AXP_FAB_FREQ_OPT_MASK);
+ /*
+ * The upper bit is not contiguous to the other ones and
+ * located in the high part of the SAR registers
+ */
+ opt |= (((readl(sar + SARH) >> SARH_AXP_FAB_FREQ_OPT) &
+ SARH_AXP_FAB_FREQ_OPT_MASK) << SARH_AXP_FAB_FREQ_OPT_SHIFT);
+
+ switch (id) {
+ case AXP_CPU_TO_NBCLK:
+ *mult = axp_nbclk_ratios[opt][0];
+ *div = axp_nbclk_ratios[opt][1];
+ break;
+ case AXP_CPU_TO_HCLK:
+ *mult = axp_hclk_ratios[opt][0];
+ *div = axp_hclk_ratios[opt][1];
+ break;
+ case AXP_CPU_TO_DRAMCLK:
+ *mult = axp_dramclk_ratios[opt][0];
+ *div = axp_dramclk_ratios[opt][1];
+ break;
+ }
+}
+
+static const struct coreclk_soc_desc axp_coreclks = {
+ .get_tclk_freq = axp_get_tclk_freq,
+ .get_cpu_freq = axp_get_cpu_freq,
+ .get_clk_ratio = axp_get_clk_ratio,
+ .ratios = axp_coreclk_ratios,
+ .num_ratios = ARRAY_SIZE(axp_coreclk_ratios),
+};
+
+static void __init axp_coreclk_init(struct device_node *np)
+{
+ mvebu_coreclk_setup(np, &axp_coreclks);
+}
+CLK_OF_DECLARE(axp_core_clk, "marvell,armada-xp-core-clock",
+ axp_coreclk_init);
+
+/*
+ * Clock Gating Control
+ */
+
+static const struct clk_gating_soc_desc __initconst axp_gating_desc[] = {
+ { "audio", NULL, 0, 0 },
+ { "ge3", NULL, 1, 0 },
+ { "ge2", NULL, 2, 0 },
+ { "ge1", NULL, 3, 0 },
+ { "ge0", NULL, 4, 0 },
+ { "pex00", NULL, 5, 0 },
+ { "pex01", NULL, 6, 0 },
+ { "pex02", NULL, 7, 0 },
+ { "pex03", NULL, 8, 0 },
+ { "pex10", NULL, 9, 0 },
+ { "pex11", NULL, 10, 0 },
+ { "pex12", NULL, 11, 0 },
+ { "pex13", NULL, 12, 0 },
+ { "bp", NULL, 13, 0 },
+ { "sata0lnk", NULL, 14, 0 },
+ { "sata0", "sata0lnk", 15, 0 },
+ { "lcd", NULL, 16, 0 },
+ { "sdio", NULL, 17, 0 },
+ { "usb0", NULL, 18, 0 },
+ { "usb1", NULL, 19, 0 },
+ { "usb2", NULL, 20, 0 },
+ { "xor0", NULL, 22, 0 },
+ { "crypto", NULL, 23, 0 },
+ { "tdm", NULL, 25, 0 },
+ { "pex20", NULL, 26, 0 },
+ { "pex30", NULL, 27, 0 },
+ { "xor1", NULL, 28, 0 },
+ { "sata1lnk", NULL, 29, 0 },
+ { "sata1", "sata1lnk", 30, 0 },
+ { }
+};
+
+static void __init axp_clk_gating_init(struct device_node *np)
+{
+ mvebu_clk_gating_setup(np, axp_gating_desc);
+}
+CLK_OF_DECLARE(axp_clk_gating, "marvell,armada-xp-gating-clock",
+ axp_clk_gating_init);
diff --git a/drivers/clk/mvebu/clk-core.c b/drivers/clk/mvebu/clk-core.c
deleted file mode 100644
index 0a53edbae8b8..000000000000
--- a/drivers/clk/mvebu/clk-core.c
+++ /dev/null
@@ -1,675 +0,0 @@
-/*
- * Marvell EBU clock core handling defined at reset
- *
- * Copyright (C) 2012 Marvell
- *
- * Gregory CLEMENT <gregory.clement@free-electrons.com>
- * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-#include <linux/kernel.h>
-#include <linux/clk.h>
-#include <linux/clkdev.h>
-#include <linux/clk-provider.h>
-#include <linux/of_address.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include "clk-core.h"
-
-struct core_ratio {
- int id;
- const char *name;
-};
-
-struct core_clocks {
- u32 (*get_tclk_freq)(void __iomem *sar);
- u32 (*get_cpu_freq)(void __iomem *sar);
- void (*get_clk_ratio)(void __iomem *sar, int id, int *mult, int *div);
- const struct core_ratio *ratios;
- int num_ratios;
-};
-
-static struct clk_onecell_data clk_data;
-
-static void __init mvebu_clk_core_setup(struct device_node *np,
- struct core_clocks *coreclk)
-{
- const char *tclk_name = "tclk";
- const char *cpuclk_name = "cpuclk";
- void __iomem *base;
- unsigned long rate;
- int n;
-
- base = of_iomap(np, 0);
- if (WARN_ON(!base))
- return;
-
- /*
- * Allocate struct for TCLK, cpu clk, and core ratio clocks
- */
- clk_data.clk_num = 2 + coreclk->num_ratios;
- clk_data.clks = kzalloc(clk_data.clk_num * sizeof(struct clk *),
- GFP_KERNEL);
- if (WARN_ON(!clk_data.clks))
- return;
-
- /*
- * Register TCLK
- */
- of_property_read_string_index(np, "clock-output-names", 0,
- &tclk_name);
- rate = coreclk->get_tclk_freq(base);
- clk_data.clks[0] = clk_register_fixed_rate(NULL, tclk_name, NULL,
- CLK_IS_ROOT, rate);
- WARN_ON(IS_ERR(clk_data.clks[0]));
-
- /*
- * Register CPU clock
- */
- of_property_read_string_index(np, "clock-output-names", 1,
- &cpuclk_name);
- rate = coreclk->get_cpu_freq(base);
- clk_data.clks[1] = clk_register_fixed_rate(NULL, cpuclk_name, NULL,
- CLK_IS_ROOT, rate);
- WARN_ON(IS_ERR(clk_data.clks[1]));
-
- /*
- * Register fixed-factor clocks derived from CPU clock
- */
- for (n = 0; n < coreclk->num_ratios; n++) {
- const char *rclk_name = coreclk->ratios[n].name;
- int mult, div;
-
- of_property_read_string_index(np, "clock-output-names",
- 2+n, &rclk_name);
- coreclk->get_clk_ratio(base, coreclk->ratios[n].id,
- &mult, &div);
- clk_data.clks[2+n] = clk_register_fixed_factor(NULL, rclk_name,
- cpuclk_name, 0, mult, div);
- WARN_ON(IS_ERR(clk_data.clks[2+n]));
- };
-
- /*
- * SAR register isn't needed anymore
- */
- iounmap(base);
-
- of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
-}
-
-#ifdef CONFIG_MACH_ARMADA_370_XP
-/*
- * Armada 370/XP Sample At Reset is a 64 bit bitfiled split in two
- * register of 32 bits
- */
-
-#define SARL 0 /* Low part [0:31] */
-#define SARL_AXP_PCLK_FREQ_OPT 21
-#define SARL_AXP_PCLK_FREQ_OPT_MASK 0x7
-#define SARL_A370_PCLK_FREQ_OPT 11
-#define SARL_A370_PCLK_FREQ_OPT_MASK 0xF
-#define SARL_AXP_FAB_FREQ_OPT 24
-#define SARL_AXP_FAB_FREQ_OPT_MASK 0xF
-#define SARL_A370_FAB_FREQ_OPT 15
-#define SARL_A370_FAB_FREQ_OPT_MASK 0x1F
-#define SARL_A370_TCLK_FREQ_OPT 20
-#define SARL_A370_TCLK_FREQ_OPT_MASK 0x1
-#define SARH 4 /* High part [32:63] */
-#define SARH_AXP_PCLK_FREQ_OPT (52-32)
-#define SARH_AXP_PCLK_FREQ_OPT_MASK 0x1
-#define SARH_AXP_PCLK_FREQ_OPT_SHIFT 3
-#define SARH_AXP_FAB_FREQ_OPT (51-32)
-#define SARH_AXP_FAB_FREQ_OPT_MASK 0x1
-#define SARH_AXP_FAB_FREQ_OPT_SHIFT 4
-
-static const u32 __initconst armada_370_tclk_frequencies[] = {
- 16600000,
- 20000000,
-};
-
-static u32 __init armada_370_get_tclk_freq(void __iomem *sar)
-{
- u8 tclk_freq_select = 0;
-
- tclk_freq_select = ((readl(sar) >> SARL_A370_TCLK_FREQ_OPT) &
- SARL_A370_TCLK_FREQ_OPT_MASK);
- return armada_370_tclk_frequencies[tclk_freq_select];
-}
-
-static const u32 __initconst armada_370_cpu_frequencies[] = {
- 400000000,
- 533000000,
- 667000000,
- 800000000,
- 1000000000,
- 1067000000,
- 1200000000,
-};
-
-static u32 __init armada_370_get_cpu_freq(void __iomem *sar)
-{
- u32 cpu_freq;
- u8 cpu_freq_select = 0;
-
- cpu_freq_select = ((readl(sar) >> SARL_A370_PCLK_FREQ_OPT) &
- SARL_A370_PCLK_FREQ_OPT_MASK);
- if (cpu_freq_select >= ARRAY_SIZE(armada_370_cpu_frequencies)) {
- pr_err("CPU freq select unsupported %d\n", cpu_freq_select);
- cpu_freq = 0;
- } else
- cpu_freq = armada_370_cpu_frequencies[cpu_freq_select];
-
- return cpu_freq;
-}
-
-enum { A370_XP_NBCLK, A370_XP_HCLK, A370_XP_DRAMCLK };
-
-static const struct core_ratio __initconst armada_370_xp_core_ratios[] = {
- { .id = A370_XP_NBCLK, .name = "nbclk" },
- { .id = A370_XP_HCLK, .name = "hclk" },
- { .id = A370_XP_DRAMCLK, .name = "dramclk" },
-};
-
-static const int __initconst armada_370_xp_nbclk_ratios[32][2] = {
- {0, 1}, {1, 2}, {2, 2}, {2, 2},
- {1, 2}, {1, 2}, {1, 1}, {2, 3},
- {0, 1}, {1, 2}, {2, 4}, {0, 1},
- {1, 2}, {0, 1}, {0, 1}, {2, 2},
- {0, 1}, {0, 1}, {0, 1}, {1, 1},
- {2, 3}, {0, 1}, {0, 1}, {0, 1},
- {0, 1}, {0, 1}, {0, 1}, {1, 1},
- {0, 1}, {0, 1}, {0, 1}, {0, 1},
-};
-
-static const int __initconst armada_370_xp_hclk_ratios[32][2] = {
- {0, 1}, {1, 2}, {2, 6}, {2, 3},
- {1, 3}, {1, 4}, {1, 2}, {2, 6},
- {0, 1}, {1, 6}, {2, 10}, {0, 1},
- {1, 4}, {0, 1}, {0, 1}, {2, 5},
- {0, 1}, {0, 1}, {0, 1}, {1, 2},
- {2, 6}, {0, 1}, {0, 1}, {0, 1},
- {0, 1}, {0, 1}, {0, 1}, {1, 1},
- {0, 1}, {0, 1}, {0, 1}, {0, 1},
-};
-
-static const int __initconst armada_370_xp_dramclk_ratios[32][2] = {
- {0, 1}, {1, 2}, {2, 3}, {2, 3},
- {1, 3}, {1, 2}, {1, 2}, {2, 6},
- {0, 1}, {1, 3}, {2, 5}, {0, 1},
- {1, 4}, {0, 1}, {0, 1}, {2, 5},
- {0, 1}, {0, 1}, {0, 1}, {1, 1},
- {2, 3}, {0, 1}, {0, 1}, {0, 1},
- {0, 1}, {0, 1}, {0, 1}, {1, 1},
- {0, 1}, {0, 1}, {0, 1}, {0, 1},
-};
-
-static void __init armada_370_xp_get_clk_ratio(u32 opt,
- void __iomem *sar, int id, int *mult, int *div)
-{
- switch (id) {
- case A370_XP_NBCLK:
- *mult = armada_370_xp_nbclk_ratios[opt][0];
- *div = armada_370_xp_nbclk_ratios[opt][1];
- break;
- case A370_XP_HCLK:
- *mult = armada_370_xp_hclk_ratios[opt][0];
- *div = armada_370_xp_hclk_ratios[opt][1];
- break;
- case A370_XP_DRAMCLK:
- *mult = armada_370_xp_dramclk_ratios[opt][0];
- *div = armada_370_xp_dramclk_ratios[opt][1];
- break;
- }
-}
-
-static void __init armada_370_get_clk_ratio(
- void __iomem *sar, int id, int *mult, int *div)
-{
- u32 opt = ((readl(sar) >> SARL_A370_FAB_FREQ_OPT) &
- SARL_A370_FAB_FREQ_OPT_MASK);
-
- armada_370_xp_get_clk_ratio(opt, sar, id, mult, div);
-}
-
-
-static const struct core_clocks armada_370_core_clocks = {
- .get_tclk_freq = armada_370_get_tclk_freq,
- .get_cpu_freq = armada_370_get_cpu_freq,
- .get_clk_ratio = armada_370_get_clk_ratio,
- .ratios = armada_370_xp_core_ratios,
- .num_ratios = ARRAY_SIZE(armada_370_xp_core_ratios),
-};
-
-static const u32 __initconst armada_xp_cpu_frequencies[] = {
- 1000000000,
- 1066000000,
- 1200000000,
- 1333000000,
- 1500000000,
- 1666000000,
- 1800000000,
- 2000000000,
- 667000000,
- 0,
- 800000000,
- 1600000000,
-};
-
-/* For Armada XP TCLK frequency is fix: 250MHz */
-static u32 __init armada_xp_get_tclk_freq(void __iomem *sar)
-{
- return 250 * 1000 * 1000;
-}
-
-static u32 __init armada_xp_get_cpu_freq(void __iomem *sar)
-{
- u32 cpu_freq;
- u8 cpu_freq_select = 0;
-
- cpu_freq_select = ((readl(sar) >> SARL_AXP_PCLK_FREQ_OPT) &
- SARL_AXP_PCLK_FREQ_OPT_MASK);
- /*
- * The upper bit is not contiguous to the other ones and
- * located in the high part of the SAR registers
- */
- cpu_freq_select |= (((readl(sar+4) >> SARH_AXP_PCLK_FREQ_OPT) &
- SARH_AXP_PCLK_FREQ_OPT_MASK)
- << SARH_AXP_PCLK_FREQ_OPT_SHIFT);
- if (cpu_freq_select >= ARRAY_SIZE(armada_xp_cpu_frequencies)) {
- pr_err("CPU freq select unsupported: %d\n", cpu_freq_select);
- cpu_freq = 0;
- } else
- cpu_freq = armada_xp_cpu_frequencies[cpu_freq_select];
-
- return cpu_freq;
-}
-
-static void __init armada_xp_get_clk_ratio(
- void __iomem *sar, int id, int *mult, int *div)
-{
-
- u32 opt = ((readl(sar) >> SARL_AXP_FAB_FREQ_OPT) &
- SARL_AXP_FAB_FREQ_OPT_MASK);
- /*
- * The upper bit is not contiguous to the other ones and
- * located in the high part of the SAR registers
- */
- opt |= (((readl(sar+4) >> SARH_AXP_FAB_FREQ_OPT) &
- SARH_AXP_FAB_FREQ_OPT_MASK)
- << SARH_AXP_FAB_FREQ_OPT_SHIFT);
-
- armada_370_xp_get_clk_ratio(opt, sar, id, mult, div);
-}
-
-static const struct core_clocks armada_xp_core_clocks = {
- .get_tclk_freq = armada_xp_get_tclk_freq,
- .get_cpu_freq = armada_xp_get_cpu_freq,
- .get_clk_ratio = armada_xp_get_clk_ratio,
- .ratios = armada_370_xp_core_ratios,
- .num_ratios = ARRAY_SIZE(armada_370_xp_core_ratios),
-};
-
-#endif /* CONFIG_MACH_ARMADA_370_XP */
-
-/*
- * Dove PLL sample-at-reset configuration
- *
- * SAR0[8:5] : CPU frequency
- * 5 = 1000 MHz
- * 6 = 933 MHz
- * 7 = 933 MHz
- * 8 = 800 MHz
- * 9 = 800 MHz
- * 10 = 800 MHz
- * 11 = 1067 MHz
- * 12 = 667 MHz
- * 13 = 533 MHz
- * 14 = 400 MHz
- * 15 = 333 MHz
- * others reserved.
- *
- * SAR0[11:9] : CPU to L2 Clock divider ratio
- * 0 = (1/1) * CPU
- * 2 = (1/2) * CPU
- * 4 = (1/3) * CPU
- * 6 = (1/4) * CPU
- * others reserved.
- *
- * SAR0[15:12] : CPU to DDR DRAM Clock divider ratio
- * 0 = (1/1) * CPU
- * 2 = (1/2) * CPU
- * 3 = (2/5) * CPU
- * 4 = (1/3) * CPU
- * 6 = (1/4) * CPU
- * 8 = (1/5) * CPU
- * 10 = (1/6) * CPU
- * 12 = (1/7) * CPU
- * 14 = (1/8) * CPU
- * 15 = (1/10) * CPU
- * others reserved.
- *
- * SAR0[24:23] : TCLK frequency
- * 0 = 166 MHz
- * 1 = 125 MHz
- * others reserved.
- */
-#ifdef CONFIG_ARCH_DOVE
-#define SAR_DOVE_CPU_FREQ 5
-#define SAR_DOVE_CPU_FREQ_MASK 0xf
-#define SAR_DOVE_L2_RATIO 9
-#define SAR_DOVE_L2_RATIO_MASK 0x7
-#define SAR_DOVE_DDR_RATIO 12
-#define SAR_DOVE_DDR_RATIO_MASK 0xf
-#define SAR_DOVE_TCLK_FREQ 23
-#define SAR_DOVE_TCLK_FREQ_MASK 0x3
-
-static const u32 __initconst dove_tclk_frequencies[] = {
- 166666667,
- 125000000,
- 0, 0
-};
-
-static u32 __init dove_get_tclk_freq(void __iomem *sar)
-{
- u32 opt = (readl(sar) >> SAR_DOVE_TCLK_FREQ) &
- SAR_DOVE_TCLK_FREQ_MASK;
- return dove_tclk_frequencies[opt];
-}
-
-static const u32 __initconst dove_cpu_frequencies[] = {
- 0, 0, 0, 0, 0,
- 1000000000,
- 933333333, 933333333,
- 800000000, 800000000, 800000000,
- 1066666667,
- 666666667,
- 533333333,
- 400000000,
- 333333333
-};
-
-static u32 __init dove_get_cpu_freq(void __iomem *sar)
-{
- u32 opt = (readl(sar) >> SAR_DOVE_CPU_FREQ) &
- SAR_DOVE_CPU_FREQ_MASK;
- return dove_cpu_frequencies[opt];
-}
-
-enum { DOVE_CPU_TO_L2, DOVE_CPU_TO_DDR };
-
-static const struct core_ratio __initconst dove_core_ratios[] = {
- { .id = DOVE_CPU_TO_L2, .name = "l2clk", },
- { .id = DOVE_CPU_TO_DDR, .name = "ddrclk", }
-};
-
-static const int __initconst dove_cpu_l2_ratios[8][2] = {
- { 1, 1 }, { 0, 1 }, { 1, 2 }, { 0, 1 },
- { 1, 3 }, { 0, 1 }, { 1, 4 }, { 0, 1 }
-};
-
-static const int __initconst dove_cpu_ddr_ratios[16][2] = {
- { 1, 1 }, { 0, 1 }, { 1, 2 }, { 2, 5 },
- { 1, 3 }, { 0, 1 }, { 1, 4 }, { 0, 1 },
- { 1, 5 }, { 0, 1 }, { 1, 6 }, { 0, 1 },
- { 1, 7 }, { 0, 1 }, { 1, 8 }, { 1, 10 }
-};
-
-static void __init dove_get_clk_ratio(
- void __iomem *sar, int id, int *mult, int *div)
-{
- switch (id) {
- case DOVE_CPU_TO_L2:
- {
- u32 opt = (readl(sar) >> SAR_DOVE_L2_RATIO) &
- SAR_DOVE_L2_RATIO_MASK;
- *mult = dove_cpu_l2_ratios[opt][0];
- *div = dove_cpu_l2_ratios[opt][1];
- break;
- }
- case DOVE_CPU_TO_DDR:
- {
- u32 opt = (readl(sar) >> SAR_DOVE_DDR_RATIO) &
- SAR_DOVE_DDR_RATIO_MASK;
- *mult = dove_cpu_ddr_ratios[opt][0];
- *div = dove_cpu_ddr_ratios[opt][1];
- break;
- }
- }
-}
-
-static const struct core_clocks dove_core_clocks = {
- .get_tclk_freq = dove_get_tclk_freq,
- .get_cpu_freq = dove_get_cpu_freq,
- .get_clk_ratio = dove_get_clk_ratio,
- .ratios = dove_core_ratios,
- .num_ratios = ARRAY_SIZE(dove_core_ratios),
-};
-#endif /* CONFIG_ARCH_DOVE */
-
-/*
- * Kirkwood PLL sample-at-reset configuration
- * (6180 has different SAR layout than other Kirkwood SoCs)
- *
- * SAR0[4:3,22,1] : CPU frequency (6281,6292,6282)
- * 4 = 600 MHz
- * 6 = 800 MHz
- * 7 = 1000 MHz
- * 9 = 1200 MHz
- * 12 = 1500 MHz
- * 13 = 1600 MHz
- * 14 = 1800 MHz
- * 15 = 2000 MHz
- * others reserved.
- *
- * SAR0[19,10:9] : CPU to L2 Clock divider ratio (6281,6292,6282)
- * 1 = (1/2) * CPU
- * 3 = (1/3) * CPU
- * 5 = (1/4) * CPU
- * others reserved.
- *
- * SAR0[8:5] : CPU to DDR DRAM Clock divider ratio (6281,6292,6282)
- * 2 = (1/2) * CPU
- * 4 = (1/3) * CPU
- * 6 = (1/4) * CPU
- * 7 = (2/9) * CPU
- * 8 = (1/5) * CPU
- * 9 = (1/6) * CPU
- * others reserved.
- *
- * SAR0[4:2] : Kirkwood 6180 cpu/l2/ddr clock configuration (6180 only)
- * 5 = [CPU = 600 MHz, L2 = (1/2) * CPU, DDR = 200 MHz = (1/3) * CPU]
- * 6 = [CPU = 800 MHz, L2 = (1/2) * CPU, DDR = 200 MHz = (1/4) * CPU]
- * 7 = [CPU = 1000 MHz, L2 = (1/2) * CPU, DDR = 200 MHz = (1/5) * CPU]
- * others reserved.
- *
- * SAR0[21] : TCLK frequency
- * 0 = 200 MHz
- * 1 = 166 MHz
- * others reserved.
- */
-#ifdef CONFIG_ARCH_KIRKWOOD
-#define SAR_KIRKWOOD_CPU_FREQ(x) \
- (((x & (1 << 1)) >> 1) | \
- ((x & (1 << 22)) >> 21) | \
- ((x & (3 << 3)) >> 1))
-#define SAR_KIRKWOOD_L2_RATIO(x) \
- (((x & (3 << 9)) >> 9) | \
- (((x & (1 << 19)) >> 17)))
-#define SAR_KIRKWOOD_DDR_RATIO 5
-#define SAR_KIRKWOOD_DDR_RATIO_MASK 0xf
-#define SAR_MV88F6180_CLK 2
-#define SAR_MV88F6180_CLK_MASK 0x7
-#define SAR_KIRKWOOD_TCLK_FREQ 21
-#define SAR_KIRKWOOD_TCLK_FREQ_MASK 0x1
-
-enum { KIRKWOOD_CPU_TO_L2, KIRKWOOD_CPU_TO_DDR };
-
-static const struct core_ratio __initconst kirkwood_core_ratios[] = {
- { .id = KIRKWOOD_CPU_TO_L2, .name = "l2clk", },
- { .id = KIRKWOOD_CPU_TO_DDR, .name = "ddrclk", }
-};
-
-static u32 __init kirkwood_get_tclk_freq(void __iomem *sar)
-{
- u32 opt = (readl(sar) >> SAR_KIRKWOOD_TCLK_FREQ) &
- SAR_KIRKWOOD_TCLK_FREQ_MASK;
- return (opt) ? 166666667 : 200000000;
-}
-
-static const u32 __initconst kirkwood_cpu_frequencies[] = {
- 0, 0, 0, 0,
- 600000000,
- 0,
- 800000000,
- 1000000000,
- 0,
- 1200000000,
- 0, 0,
- 1500000000,
- 1600000000,
- 1800000000,
- 2000000000
-};
-
-static u32 __init kirkwood_get_cpu_freq(void __iomem *sar)
-{
- u32 opt = SAR_KIRKWOOD_CPU_FREQ(readl(sar));
- return kirkwood_cpu_frequencies[opt];
-}
-
-static const int __initconst kirkwood_cpu_l2_ratios[8][2] = {
- { 0, 1 }, { 1, 2 }, { 0, 1 }, { 1, 3 },
- { 0, 1 }, { 1, 4 }, { 0, 1 }, { 0, 1 }
-};
-
-static const int __initconst kirkwood_cpu_ddr_ratios[16][2] = {
- { 0, 1 }, { 0, 1 }, { 1, 2 }, { 0, 1 },
- { 1, 3 }, { 0, 1 }, { 1, 4 }, { 2, 9 },
- { 1, 5 }, { 1, 6 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }
-};
-
-static void __init kirkwood_get_clk_ratio(
- void __iomem *sar, int id, int *mult, int *div)
-{
- switch (id) {
- case KIRKWOOD_CPU_TO_L2:
- {
- u32 opt = SAR_KIRKWOOD_L2_RATIO(readl(sar));
- *mult = kirkwood_cpu_l2_ratios[opt][0];
- *div = kirkwood_cpu_l2_ratios[opt][1];
- break;
- }
- case KIRKWOOD_CPU_TO_DDR:
- {
- u32 opt = (readl(sar) >> SAR_KIRKWOOD_DDR_RATIO) &
- SAR_KIRKWOOD_DDR_RATIO_MASK;
- *mult = kirkwood_cpu_ddr_ratios[opt][0];
- *div = kirkwood_cpu_ddr_ratios[opt][1];
- break;
- }
- }
-}
-
-static const struct core_clocks kirkwood_core_clocks = {
- .get_tclk_freq = kirkwood_get_tclk_freq,
- .get_cpu_freq = kirkwood_get_cpu_freq,
- .get_clk_ratio = kirkwood_get_clk_ratio,
- .ratios = kirkwood_core_ratios,
- .num_ratios = ARRAY_SIZE(kirkwood_core_ratios),
-};
-
-static const u32 __initconst mv88f6180_cpu_frequencies[] = {
- 0, 0, 0, 0, 0,
- 600000000,
- 800000000,
- 1000000000
-};
-
-static u32 __init mv88f6180_get_cpu_freq(void __iomem *sar)
-{
- u32 opt = (readl(sar) >> SAR_MV88F6180_CLK) & SAR_MV88F6180_CLK_MASK;
- return mv88f6180_cpu_frequencies[opt];
-}
-
-static const int __initconst mv88f6180_cpu_ddr_ratios[8][2] = {
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 1, 3 }, { 1, 4 }, { 1, 5 }
-};
-
-static void __init mv88f6180_get_clk_ratio(
- void __iomem *sar, int id, int *mult, int *div)
-{
- switch (id) {
- case KIRKWOOD_CPU_TO_L2:
- {
- /* mv88f6180 has a fixed 1:2 CPU-to-L2 ratio */
- *mult = 1;
- *div = 2;
- break;
- }
- case KIRKWOOD_CPU_TO_DDR:
- {
- u32 opt = (readl(sar) >> SAR_MV88F6180_CLK) &
- SAR_MV88F6180_CLK_MASK;
- *mult = mv88f6180_cpu_ddr_ratios[opt][0];
- *div = mv88f6180_cpu_ddr_ratios[opt][1];
- break;
- }
- }
-}
-
-static const struct core_clocks mv88f6180_core_clocks = {
- .get_tclk_freq = kirkwood_get_tclk_freq,
- .get_cpu_freq = mv88f6180_get_cpu_freq,
- .get_clk_ratio = mv88f6180_get_clk_ratio,
- .ratios = kirkwood_core_ratios,
- .num_ratios = ARRAY_SIZE(kirkwood_core_ratios),
-};
-#endif /* CONFIG_ARCH_KIRKWOOD */
-
-static const __initdata struct of_device_id clk_core_match[] = {
-#ifdef CONFIG_MACH_ARMADA_370_XP
- {
- .compatible = "marvell,armada-370-core-clock",
- .data = &armada_370_core_clocks,
- },
- {
- .compatible = "marvell,armada-xp-core-clock",
- .data = &armada_xp_core_clocks,
- },
-#endif
-#ifdef CONFIG_ARCH_DOVE
- {
- .compatible = "marvell,dove-core-clock",
- .data = &dove_core_clocks,
- },
-#endif
-
-#ifdef CONFIG_ARCH_KIRKWOOD
- {
- .compatible = "marvell,kirkwood-core-clock",
- .data = &kirkwood_core_clocks,
- },
- {
- .compatible = "marvell,mv88f6180-core-clock",
- .data = &mv88f6180_core_clocks,
- },
-#endif
-
- { }
-};
-
-void __init mvebu_core_clk_init(void)
-{
- struct device_node *np;
-
- for_each_matching_node(np, clk_core_match) {
- const struct of_device_id *match =
- of_match_node(clk_core_match, np);
- mvebu_clk_core_setup(np, (struct core_clocks *)match->data);
- }
-}
diff --git a/drivers/clk/mvebu/clk-core.h b/drivers/clk/mvebu/clk-core.h
deleted file mode 100644
index 28b5e02e9885..000000000000
--- a/drivers/clk/mvebu/clk-core.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * * Marvell EBU clock core handling defined at reset
- *
- * Copyright (C) 2012 Marvell
- *
- * Gregory CLEMENT <gregory.clement@free-electrons.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __MVEBU_CLK_CORE_H
-#define __MVEBU_CLK_CORE_H
-
-void __init mvebu_core_clk_init(void);
-
-#endif
diff --git a/drivers/clk/mvebu/clk-gating-ctrl.c b/drivers/clk/mvebu/clk-gating-ctrl.c
deleted file mode 100644
index ebf141d4374b..000000000000
--- a/drivers/clk/mvebu/clk-gating-ctrl.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Marvell MVEBU clock gating control.
- *
- * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
- * Andrew Lunn <andrew@lunn.ch>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-#include <linux/kernel.h>
-#include <linux/bitops.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/clkdev.h>
-#include <linux/clk-provider.h>
-#include <linux/clk/mvebu.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-
-struct mvebu_gating_ctrl {
- spinlock_t lock;
- struct clk **gates;
- int num_gates;
-};
-
-struct mvebu_soc_descr {
- const char *name;
- const char *parent;
- int bit_idx;
-};
-
-#define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw)
-
-static struct clk *mvebu_clk_gating_get_src(
- struct of_phandle_args *clkspec, void *data)
-{
- struct mvebu_gating_ctrl *ctrl = (struct mvebu_gating_ctrl *)data;
- int n;
-
- if (clkspec->args_count < 1)
- return ERR_PTR(-EINVAL);
-
- for (n = 0; n < ctrl->num_gates; n++) {
- struct clk_gate *gate =
- to_clk_gate(__clk_get_hw(ctrl->gates[n]));
- if (clkspec->args[0] == gate->bit_idx)
- return ctrl->gates[n];
- }
- return ERR_PTR(-ENODEV);
-}
-
-static void __init mvebu_clk_gating_setup(
- struct device_node *np, const struct mvebu_soc_descr *descr)
-{
- struct mvebu_gating_ctrl *ctrl;
- struct clk *clk;
- void __iomem *base;
- const char *default_parent = NULL;
- int n;
-
- base = of_iomap(np, 0);
-
- clk = of_clk_get(np, 0);
- if (!IS_ERR(clk)) {
- default_parent = __clk_get_name(clk);
- clk_put(clk);
- }
-
- ctrl = kzalloc(sizeof(struct mvebu_gating_ctrl), GFP_KERNEL);
- if (WARN_ON(!ctrl))
- return;
-
- spin_lock_init(&ctrl->lock);
-
- /*
- * Count, allocate, and register clock gates
- */
- for (n = 0; descr[n].name;)
- n++;
-
- ctrl->num_gates = n;
- ctrl->gates = kzalloc(ctrl->num_gates * sizeof(struct clk *),
- GFP_KERNEL);
- if (WARN_ON(!ctrl->gates)) {
- kfree(ctrl);
- return;
- }
-
- for (n = 0; n < ctrl->num_gates; n++) {
- u8 flags = 0;
- const char *parent =
- (descr[n].parent) ? descr[n].parent : default_parent;
-
- /*
- * On Armada 370, the DDR clock is a special case: it
- * isn't taken by any driver, but should anyway be
- * kept enabled, so we mark it as IGNORE_UNUSED for
- * now.
- */
- if (!strcmp(descr[n].name, "ddr"))
- flags |= CLK_IGNORE_UNUSED;
-
- ctrl->gates[n] = clk_register_gate(NULL, descr[n].name, parent,
- flags, base, descr[n].bit_idx, 0, &ctrl->lock);
- WARN_ON(IS_ERR(ctrl->gates[n]));
- }
- of_clk_add_provider(np, mvebu_clk_gating_get_src, ctrl);
-}
-
-/*
- * SoC specific clock gating control
- */
-
-#ifdef CONFIG_MACH_ARMADA_370
-static const struct mvebu_soc_descr __initconst armada_370_gating_descr[] = {
- { "audio", NULL, 0 },
- { "pex0_en", NULL, 1 },
- { "pex1_en", NULL, 2 },
- { "ge1", NULL, 3 },
- { "ge0", NULL, 4 },
- { "pex0", NULL, 5 },
- { "pex1", NULL, 9 },
- { "sata0", NULL, 15 },
- { "sdio", NULL, 17 },
- { "tdm", NULL, 25 },
- { "ddr", NULL, 28 },
- { "sata1", NULL, 30 },
- { }
-};
-#endif
-
-#ifdef CONFIG_MACH_ARMADA_XP
-static const struct mvebu_soc_descr __initconst armada_xp_gating_descr[] = {
- { "audio", NULL, 0 },
- { "ge3", NULL, 1 },
- { "ge2", NULL, 2 },
- { "ge1", NULL, 3 },
- { "ge0", NULL, 4 },
- { "pex0", NULL, 5 },
- { "pex1", NULL, 6 },
- { "pex2", NULL, 7 },
- { "pex3", NULL, 8 },
- { "bp", NULL, 13 },
- { "sata0lnk", NULL, 14 },
- { "sata0", "sata0lnk", 15 },
- { "lcd", NULL, 16 },
- { "sdio", NULL, 17 },
- { "usb0", NULL, 18 },
- { "usb1", NULL, 19 },
- { "usb2", NULL, 20 },
- { "xor0", NULL, 22 },
- { "crypto", NULL, 23 },
- { "tdm", NULL, 25 },
- { "xor1", NULL, 28 },
- { "sata1lnk", NULL, 29 },
- { "sata1", "sata1lnk", 30 },
- { }
-};
-#endif
-
-#ifdef CONFIG_ARCH_DOVE
-static const struct mvebu_soc_descr __initconst dove_gating_descr[] = {
- { "usb0", NULL, 0 },
- { "usb1", NULL, 1 },
- { "ge", "gephy", 2 },
- { "sata", NULL, 3 },
- { "pex0", NULL, 4 },
- { "pex1", NULL, 5 },
- { "sdio0", NULL, 8 },
- { "sdio1", NULL, 9 },
- { "nand", NULL, 10 },
- { "camera", NULL, 11 },
- { "i2s0", NULL, 12 },
- { "i2s1", NULL, 13 },
- { "crypto", NULL, 15 },
- { "ac97", NULL, 21 },
- { "pdma", NULL, 22 },
- { "xor0", NULL, 23 },
- { "xor1", NULL, 24 },
- { "gephy", NULL, 30 },
- { }
-};
-#endif
-
-#ifdef CONFIG_ARCH_KIRKWOOD
-static const struct mvebu_soc_descr __initconst kirkwood_gating_descr[] = {
- { "ge0", NULL, 0 },
- { "pex0", NULL, 2 },
- { "usb0", NULL, 3 },
- { "sdio", NULL, 4 },
- { "tsu", NULL, 5 },
- { "runit", NULL, 7 },
- { "xor0", NULL, 8 },
- { "audio", NULL, 9 },
- { "powersave", "cpuclk", 11 },
- { "sata0", NULL, 14 },
- { "sata1", NULL, 15 },
- { "xor1", NULL, 16 },
- { "crypto", NULL, 17 },
- { "pex1", NULL, 18 },
- { "ge1", NULL, 19 },
- { "tdm", NULL, 20 },
- { }
-};
-#endif
-
-static const __initdata struct of_device_id clk_gating_match[] = {
-#ifdef CONFIG_MACH_ARMADA_370
- {
- .compatible = "marvell,armada-370-gating-clock",
- .data = armada_370_gating_descr,
- },
-#endif
-
-#ifdef CONFIG_MACH_ARMADA_XP
- {
- .compatible = "marvell,armada-xp-gating-clock",
- .data = armada_xp_gating_descr,
- },
-#endif
-
-#ifdef CONFIG_ARCH_DOVE
- {
- .compatible = "marvell,dove-gating-clock",
- .data = dove_gating_descr,
- },
-#endif
-
-#ifdef CONFIG_ARCH_KIRKWOOD
- {
- .compatible = "marvell,kirkwood-gating-clock",
- .data = kirkwood_gating_descr,
- },
-#endif
-
- { }
-};
-
-void __init mvebu_gating_clk_init(void)
-{
- struct device_node *np;
-
- for_each_matching_node(np, clk_gating_match) {
- const struct of_device_id *match =
- of_match_node(clk_gating_match, np);
- mvebu_clk_gating_setup(np,
- (const struct mvebu_soc_descr *)match->data);
- }
-}
diff --git a/drivers/clk/mvebu/clk-gating-ctrl.h b/drivers/clk/mvebu/clk-gating-ctrl.h
deleted file mode 100644
index 9275d1e51f1b..000000000000
--- a/drivers/clk/mvebu/clk-gating-ctrl.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Marvell EBU gating clock handling
- *
- * Copyright (C) 2012 Marvell
- *
- * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __MVEBU_CLK_GATING_H
-#define __MVEBU_CLK_GATING_H
-
-#ifdef CONFIG_MVEBU_CLK_GATING
-void __init mvebu_gating_clk_init(void);
-#else
-void mvebu_gating_clk_init(void) {}
-#endif
-
-#endif
diff --git a/drivers/clk/mvebu/clk.c b/drivers/clk/mvebu/clk.c
deleted file mode 100644
index 29f10fb3006c..000000000000
--- a/drivers/clk/mvebu/clk.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Marvell EBU SoC clock handling.
- *
- * Copyright (C) 2012 Marvell
- *
- * Gregory CLEMENT <gregory.clement@free-electrons.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-#include <linux/kernel.h>
-#include <linux/clk-provider.h>
-#include <linux/of.h>
-#include "clk-core.h"
-#include "clk-gating-ctrl.h"
-
-void __init mvebu_clocks_init(void)
-{
- mvebu_core_clk_init();
- mvebu_gating_clk_init();
- of_clk_init(NULL);
-}
diff --git a/drivers/clk/mvebu/common.c b/drivers/clk/mvebu/common.c
new file mode 100644
index 000000000000..adaa4a1821b8
--- /dev/null
+++ b/drivers/clk/mvebu/common.c
@@ -0,0 +1,163 @@
+/*
+ * Marvell EBU SoC common clock handling
+ *
+ * Copyright (C) 2012 Marvell
+ *
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
+ * Andrew Lunn <andrew@lunn.ch>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include "common.h"
+
+/*
+ * Core Clocks
+ */
+
+static struct clk_onecell_data clk_data;
+
+void __init mvebu_coreclk_setup(struct device_node *np,
+ const struct coreclk_soc_desc *desc)
+{
+ const char *tclk_name = "tclk";
+ const char *cpuclk_name = "cpuclk";
+ void __iomem *base;
+ unsigned long rate;
+ int n;
+
+ base = of_iomap(np, 0);
+ if (WARN_ON(!base))
+ return;
+
+ /* Allocate struct for TCLK, cpu clk, and core ratio clocks */
+ clk_data.clk_num = 2 + desc->num_ratios;
+ clk_data.clks = kzalloc(clk_data.clk_num * sizeof(struct clk *),
+ GFP_KERNEL);
+ if (WARN_ON(!clk_data.clks))
+ return;
+
+ /* Register TCLK */
+ of_property_read_string_index(np, "clock-output-names", 0,
+ &tclk_name);
+ rate = desc->get_tclk_freq(base);
+ clk_data.clks[0] = clk_register_fixed_rate(NULL, tclk_name, NULL,
+ CLK_IS_ROOT, rate);
+ WARN_ON(IS_ERR(clk_data.clks[0]));
+
+ /* Register CPU clock */
+ of_property_read_string_index(np, "clock-output-names", 1,
+ &cpuclk_name);
+ rate = desc->get_cpu_freq(base);
+ clk_data.clks[1] = clk_register_fixed_rate(NULL, cpuclk_name, NULL,
+ CLK_IS_ROOT, rate);
+ WARN_ON(IS_ERR(clk_data.clks[1]));
+
+ /* Register fixed-factor clocks derived from CPU clock */
+ for (n = 0; n < desc->num_ratios; n++) {
+ const char *rclk_name = desc->ratios[n].name;
+ int mult, div;
+
+ of_property_read_string_index(np, "clock-output-names",
+ 2+n, &rclk_name);
+ desc->get_clk_ratio(base, desc->ratios[n].id, &mult, &div);
+ clk_data.clks[2+n] = clk_register_fixed_factor(NULL, rclk_name,
+ cpuclk_name, 0, mult, div);
+ WARN_ON(IS_ERR(clk_data.clks[2+n]));
+ };
+
+ /* SAR register isn't needed anymore */
+ iounmap(base);
+
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+}
+
+/*
+ * Clock Gating Control
+ */
+
+struct clk_gating_ctrl {
+ spinlock_t lock;
+ struct clk **gates;
+ int num_gates;
+};
+
+#define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw)
+
+static struct clk *clk_gating_get_src(
+ struct of_phandle_args *clkspec, void *data)
+{
+ struct clk_gating_ctrl *ctrl = (struct clk_gating_ctrl *)data;
+ int n;
+
+ if (clkspec->args_count < 1)
+ return ERR_PTR(-EINVAL);
+
+ for (n = 0; n < ctrl->num_gates; n++) {
+ struct clk_gate *gate =
+ to_clk_gate(__clk_get_hw(ctrl->gates[n]));
+ if (clkspec->args[0] == gate->bit_idx)
+ return ctrl->gates[n];
+ }
+ return ERR_PTR(-ENODEV);
+}
+
+void __init mvebu_clk_gating_setup(struct device_node *np,
+ const struct clk_gating_soc_desc *desc)
+{
+ struct clk_gating_ctrl *ctrl;
+ struct clk *clk;
+ void __iomem *base;
+ const char *default_parent = NULL;
+ int n;
+
+ base = of_iomap(np, 0);
+ if (WARN_ON(!base))
+ return;
+
+ clk = of_clk_get(np, 0);
+ if (!IS_ERR(clk)) {
+ default_parent = __clk_get_name(clk);
+ clk_put(clk);
+ }
+
+ ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
+ if (WARN_ON(!ctrl))
+ return;
+
+ spin_lock_init(&ctrl->lock);
+
+ /* Count, allocate, and register clock gates */
+ for (n = 0; desc[n].name;)
+ n++;
+
+ ctrl->num_gates = n;
+ ctrl->gates = kzalloc(ctrl->num_gates * sizeof(struct clk *),
+ GFP_KERNEL);
+ if (WARN_ON(!ctrl->gates)) {
+ kfree(ctrl);
+ return;
+ }
+
+ for (n = 0; n < ctrl->num_gates; n++) {
+ const char *parent =
+ (desc[n].parent) ? desc[n].parent : default_parent;
+ ctrl->gates[n] = clk_register_gate(NULL, desc[n].name, parent,
+ desc[n].flags, base, desc[n].bit_idx,
+ 0, &ctrl->lock);
+ WARN_ON(IS_ERR(ctrl->gates[n]));
+ }
+
+ of_clk_add_provider(np, clk_gating_get_src, ctrl);
+}
diff --git a/drivers/clk/mvebu/common.h b/drivers/clk/mvebu/common.h
new file mode 100644
index 000000000000..f968b4d9df92
--- /dev/null
+++ b/drivers/clk/mvebu/common.h
@@ -0,0 +1,48 @@
+/*
+ * Marvell EBU SoC common clock handling
+ *
+ * Copyright (C) 2012 Marvell
+ *
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
+ * Andrew Lunn <andrew@lunn.ch>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __CLK_MVEBU_COMMON_H_
+#define __CLK_MVEBU_COMMON_H_
+
+#include <linux/kernel.h>
+
+struct device_node;
+
+struct coreclk_ratio {
+ int id;
+ const char *name;
+};
+
+struct coreclk_soc_desc {
+ u32 (*get_tclk_freq)(void __iomem *sar);
+ u32 (*get_cpu_freq)(void __iomem *sar);
+ void (*get_clk_ratio)(void __iomem *sar, int id, int *mult, int *div);
+ const struct coreclk_ratio *ratios;
+ int num_ratios;
+};
+
+struct clk_gating_soc_desc {
+ const char *name;
+ const char *parent;
+ int bit_idx;
+ unsigned long flags;
+};
+
+void __init mvebu_coreclk_setup(struct device_node *np,
+ const struct coreclk_soc_desc *desc);
+
+void __init mvebu_clk_gating_setup(struct device_node *np,
+ const struct clk_gating_soc_desc *desc);
+
+#endif
diff --git a/drivers/clk/mvebu/dove.c b/drivers/clk/mvebu/dove.c
new file mode 100644
index 000000000000..79d7aedf03fb
--- /dev/null
+++ b/drivers/clk/mvebu/dove.c
@@ -0,0 +1,194 @@
+/*
+ * Marvell Dove SoC clocks
+ *
+ * Copyright (C) 2012 Marvell
+ *
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
+ * Andrew Lunn <andrew@lunn.ch>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include "common.h"
+
+/*
+ * Core Clocks
+ *
+ * Dove PLL sample-at-reset configuration
+ *
+ * SAR0[8:5] : CPU frequency
+ * 5 = 1000 MHz
+ * 6 = 933 MHz
+ * 7 = 933 MHz
+ * 8 = 800 MHz
+ * 9 = 800 MHz
+ * 10 = 800 MHz
+ * 11 = 1067 MHz
+ * 12 = 667 MHz
+ * 13 = 533 MHz
+ * 14 = 400 MHz
+ * 15 = 333 MHz
+ * others reserved.
+ *
+ * SAR0[11:9] : CPU to L2 Clock divider ratio
+ * 0 = (1/1) * CPU
+ * 2 = (1/2) * CPU
+ * 4 = (1/3) * CPU
+ * 6 = (1/4) * CPU
+ * others reserved.
+ *
+ * SAR0[15:12] : CPU to DDR DRAM Clock divider ratio
+ * 0 = (1/1) * CPU
+ * 2 = (1/2) * CPU
+ * 3 = (2/5) * CPU
+ * 4 = (1/3) * CPU
+ * 6 = (1/4) * CPU
+ * 8 = (1/5) * CPU
+ * 10 = (1/6) * CPU
+ * 12 = (1/7) * CPU
+ * 14 = (1/8) * CPU
+ * 15 = (1/10) * CPU
+ * others reserved.
+ *
+ * SAR0[24:23] : TCLK frequency
+ * 0 = 166 MHz
+ * 1 = 125 MHz
+ * others reserved.
+ */
+
+#define SAR_DOVE_CPU_FREQ 5
+#define SAR_DOVE_CPU_FREQ_MASK 0xf
+#define SAR_DOVE_L2_RATIO 9
+#define SAR_DOVE_L2_RATIO_MASK 0x7
+#define SAR_DOVE_DDR_RATIO 12
+#define SAR_DOVE_DDR_RATIO_MASK 0xf
+#define SAR_DOVE_TCLK_FREQ 23
+#define SAR_DOVE_TCLK_FREQ_MASK 0x3
+
+enum { DOVE_CPU_TO_L2, DOVE_CPU_TO_DDR };
+
+static const struct coreclk_ratio __initconst dove_coreclk_ratios[] = {
+ { .id = DOVE_CPU_TO_L2, .name = "l2clk", },
+ { .id = DOVE_CPU_TO_DDR, .name = "ddrclk", }
+};
+
+static const u32 __initconst dove_tclk_freqs[] = {
+ 166666667,
+ 125000000,
+ 0, 0
+};
+
+static u32 __init dove_get_tclk_freq(void __iomem *sar)
+{
+ u32 opt = (readl(sar) >> SAR_DOVE_TCLK_FREQ) &
+ SAR_DOVE_TCLK_FREQ_MASK;
+ return dove_tclk_freqs[opt];
+}
+
+static const u32 __initconst dove_cpu_freqs[] = {
+ 0, 0, 0, 0, 0,
+ 1000000000,
+ 933333333, 933333333,
+ 800000000, 800000000, 800000000,
+ 1066666667,
+ 666666667,
+ 533333333,
+ 400000000,
+ 333333333
+};
+
+static u32 __init dove_get_cpu_freq(void __iomem *sar)
+{
+ u32 opt = (readl(sar) >> SAR_DOVE_CPU_FREQ) &
+ SAR_DOVE_CPU_FREQ_MASK;
+ return dove_cpu_freqs[opt];
+}
+
+static const int __initconst dove_cpu_l2_ratios[8][2] = {
+ { 1, 1 }, { 0, 1 }, { 1, 2 }, { 0, 1 },
+ { 1, 3 }, { 0, 1 }, { 1, 4 }, { 0, 1 }
+};
+
+static const int __initconst dove_cpu_ddr_ratios[16][2] = {
+ { 1, 1 }, { 0, 1 }, { 1, 2 }, { 2, 5 },
+ { 1, 3 }, { 0, 1 }, { 1, 4 }, { 0, 1 },
+ { 1, 5 }, { 0, 1 }, { 1, 6 }, { 0, 1 },
+ { 1, 7 }, { 0, 1 }, { 1, 8 }, { 1, 10 }
+};
+
+static void __init dove_get_clk_ratio(
+ void __iomem *sar, int id, int *mult, int *div)
+{
+ switch (id) {
+ case DOVE_CPU_TO_L2:
+ {
+ u32 opt = (readl(sar) >> SAR_DOVE_L2_RATIO) &
+ SAR_DOVE_L2_RATIO_MASK;
+ *mult = dove_cpu_l2_ratios[opt][0];
+ *div = dove_cpu_l2_ratios[opt][1];
+ break;
+ }
+ case DOVE_CPU_TO_DDR:
+ {
+ u32 opt = (readl(sar) >> SAR_DOVE_DDR_RATIO) &
+ SAR_DOVE_DDR_RATIO_MASK;
+ *mult = dove_cpu_ddr_ratios[opt][0];
+ *div = dove_cpu_ddr_ratios[opt][1];
+ break;
+ }
+ }
+}
+
+static const struct coreclk_soc_desc dove_coreclks = {
+ .get_tclk_freq = dove_get_tclk_freq,
+ .get_cpu_freq = dove_get_cpu_freq,
+ .get_clk_ratio = dove_get_clk_ratio,
+ .ratios = dove_coreclk_ratios,
+ .num_ratios = ARRAY_SIZE(dove_coreclk_ratios),
+};
+
+static void __init dove_coreclk_init(struct device_node *np)
+{
+ mvebu_coreclk_setup(np, &dove_coreclks);
+}
+CLK_OF_DECLARE(dove_core_clk, "marvell,dove-core-clock", dove_coreclk_init);
+
+/*
+ * Clock Gating Control
+ */
+
+static const struct clk_gating_soc_desc __initconst dove_gating_desc[] = {
+ { "usb0", NULL, 0, 0 },
+ { "usb1", NULL, 1, 0 },
+ { "ge", "gephy", 2, 0 },
+ { "sata", NULL, 3, 0 },
+ { "pex0", NULL, 4, 0 },
+ { "pex1", NULL, 5, 0 },
+ { "sdio0", NULL, 8, 0 },
+ { "sdio1", NULL, 9, 0 },
+ { "nand", NULL, 10, 0 },
+ { "camera", NULL, 11, 0 },
+ { "i2s0", NULL, 12, 0 },
+ { "i2s1", NULL, 13, 0 },
+ { "crypto", NULL, 15, 0 },
+ { "ac97", NULL, 21, 0 },
+ { "pdma", NULL, 22, 0 },
+ { "xor0", NULL, 23, 0 },
+ { "xor1", NULL, 24, 0 },
+ { "gephy", NULL, 30, 0 },
+ { }
+};
+
+static void __init dove_clk_gating_init(struct device_node *np)
+{
+ mvebu_clk_gating_setup(np, dove_gating_desc);
+}
+CLK_OF_DECLARE(dove_clk_gating, "marvell,dove-gating-clock",
+ dove_clk_gating_init);
diff --git a/drivers/clk/mvebu/kirkwood.c b/drivers/clk/mvebu/kirkwood.c
new file mode 100644
index 000000000000..71d24619ccdb
--- /dev/null
+++ b/drivers/clk/mvebu/kirkwood.c
@@ -0,0 +1,247 @@
+/*
+ * Marvell Kirkwood SoC clocks
+ *
+ * Copyright (C) 2012 Marvell
+ *
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
+ * Andrew Lunn <andrew@lunn.ch>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include "common.h"
+
+/*
+ * Core Clocks
+ *
+ * Kirkwood PLL sample-at-reset configuration
+ * (6180 has different SAR layout than other Kirkwood SoCs)
+ *
+ * SAR0[4:3,22,1] : CPU frequency (6281,6292,6282)
+ * 4 = 600 MHz
+ * 6 = 800 MHz
+ * 7 = 1000 MHz
+ * 9 = 1200 MHz
+ * 12 = 1500 MHz
+ * 13 = 1600 MHz
+ * 14 = 1800 MHz
+ * 15 = 2000 MHz
+ * others reserved.
+ *
+ * SAR0[19,10:9] : CPU to L2 Clock divider ratio (6281,6292,6282)
+ * 1 = (1/2) * CPU
+ * 3 = (1/3) * CPU
+ * 5 = (1/4) * CPU
+ * others reserved.
+ *
+ * SAR0[8:5] : CPU to DDR DRAM Clock divider ratio (6281,6292,6282)
+ * 2 = (1/2) * CPU
+ * 4 = (1/3) * CPU
+ * 6 = (1/4) * CPU
+ * 7 = (2/9) * CPU
+ * 8 = (1/5) * CPU
+ * 9 = (1/6) * CPU
+ * others reserved.
+ *
+ * SAR0[4:2] : Kirkwood 6180 cpu/l2/ddr clock configuration (6180 only)
+ * 5 = [CPU = 600 MHz, L2 = (1/2) * CPU, DDR = 200 MHz = (1/3) * CPU]
+ * 6 = [CPU = 800 MHz, L2 = (1/2) * CPU, DDR = 200 MHz = (1/4) * CPU]
+ * 7 = [CPU = 1000 MHz, L2 = (1/2) * CPU, DDR = 200 MHz = (1/5) * CPU]
+ * others reserved.
+ *
+ * SAR0[21] : TCLK frequency
+ * 0 = 200 MHz
+ * 1 = 166 MHz
+ * others reserved.
+ */
+
+#define SAR_KIRKWOOD_CPU_FREQ(x) \
+ (((x & (1 << 1)) >> 1) | \
+ ((x & (1 << 22)) >> 21) | \
+ ((x & (3 << 3)) >> 1))
+#define SAR_KIRKWOOD_L2_RATIO(x) \
+ (((x & (3 << 9)) >> 9) | \
+ (((x & (1 << 19)) >> 17)))
+#define SAR_KIRKWOOD_DDR_RATIO 5
+#define SAR_KIRKWOOD_DDR_RATIO_MASK 0xf
+#define SAR_MV88F6180_CLK 2
+#define SAR_MV88F6180_CLK_MASK 0x7
+#define SAR_KIRKWOOD_TCLK_FREQ 21
+#define SAR_KIRKWOOD_TCLK_FREQ_MASK 0x1
+
+enum { KIRKWOOD_CPU_TO_L2, KIRKWOOD_CPU_TO_DDR };
+
+static const struct coreclk_ratio __initconst kirkwood_coreclk_ratios[] = {
+ { .id = KIRKWOOD_CPU_TO_L2, .name = "l2clk", },
+ { .id = KIRKWOOD_CPU_TO_DDR, .name = "ddrclk", }
+};
+
+static u32 __init kirkwood_get_tclk_freq(void __iomem *sar)
+{
+ u32 opt = (readl(sar) >> SAR_KIRKWOOD_TCLK_FREQ) &
+ SAR_KIRKWOOD_TCLK_FREQ_MASK;
+ return (opt) ? 166666667 : 200000000;
+}
+
+static const u32 __initconst kirkwood_cpu_freqs[] = {
+ 0, 0, 0, 0,
+ 600000000,
+ 0,
+ 800000000,
+ 1000000000,
+ 0,
+ 1200000000,
+ 0, 0,
+ 1500000000,
+ 1600000000,
+ 1800000000,
+ 2000000000
+};
+
+static u32 __init kirkwood_get_cpu_freq(void __iomem *sar)
+{
+ u32 opt = SAR_KIRKWOOD_CPU_FREQ(readl(sar));
+ return kirkwood_cpu_freqs[opt];
+}
+
+static const int __initconst kirkwood_cpu_l2_ratios[8][2] = {
+ { 0, 1 }, { 1, 2 }, { 0, 1 }, { 1, 3 },
+ { 0, 1 }, { 1, 4 }, { 0, 1 }, { 0, 1 }
+};
+
+static const int __initconst kirkwood_cpu_ddr_ratios[16][2] = {
+ { 0, 1 }, { 0, 1 }, { 1, 2 }, { 0, 1 },
+ { 1, 3 }, { 0, 1 }, { 1, 4 }, { 2, 9 },
+ { 1, 5 }, { 1, 6 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }
+};
+
+static void __init kirkwood_get_clk_ratio(
+ void __iomem *sar, int id, int *mult, int *div)
+{
+ switch (id) {
+ case KIRKWOOD_CPU_TO_L2:
+ {
+ u32 opt = SAR_KIRKWOOD_L2_RATIO(readl(sar));
+ *mult = kirkwood_cpu_l2_ratios[opt][0];
+ *div = kirkwood_cpu_l2_ratios[opt][1];
+ break;
+ }
+ case KIRKWOOD_CPU_TO_DDR:
+ {
+ u32 opt = (readl(sar) >> SAR_KIRKWOOD_DDR_RATIO) &
+ SAR_KIRKWOOD_DDR_RATIO_MASK;
+ *mult = kirkwood_cpu_ddr_ratios[opt][0];
+ *div = kirkwood_cpu_ddr_ratios[opt][1];
+ break;
+ }
+ }
+}
+
+static const u32 __initconst mv88f6180_cpu_freqs[] = {
+ 0, 0, 0, 0, 0,
+ 600000000,
+ 800000000,
+ 1000000000
+};
+
+static u32 __init mv88f6180_get_cpu_freq(void __iomem *sar)
+{
+ u32 opt = (readl(sar) >> SAR_MV88F6180_CLK) & SAR_MV88F6180_CLK_MASK;
+ return mv88f6180_cpu_freqs[opt];
+}
+
+static const int __initconst mv88f6180_cpu_ddr_ratios[8][2] = {
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 1, 3 }, { 1, 4 }, { 1, 5 }
+};
+
+static void __init mv88f6180_get_clk_ratio(
+ void __iomem *sar, int id, int *mult, int *div)
+{
+ switch (id) {
+ case KIRKWOOD_CPU_TO_L2:
+ {
+ /* mv88f6180 has a fixed 1:2 CPU-to-L2 ratio */
+ *mult = 1;
+ *div = 2;
+ break;
+ }
+ case KIRKWOOD_CPU_TO_DDR:
+ {
+ u32 opt = (readl(sar) >> SAR_MV88F6180_CLK) &
+ SAR_MV88F6180_CLK_MASK;
+ *mult = mv88f6180_cpu_ddr_ratios[opt][0];
+ *div = mv88f6180_cpu_ddr_ratios[opt][1];
+ break;
+ }
+ }
+}
+
+static const struct coreclk_soc_desc kirkwood_coreclks = {
+ .get_tclk_freq = kirkwood_get_tclk_freq,
+ .get_cpu_freq = kirkwood_get_cpu_freq,
+ .get_clk_ratio = kirkwood_get_clk_ratio,
+ .ratios = kirkwood_coreclk_ratios,
+ .num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios),
+};
+
+static void __init kirkwood_coreclk_init(struct device_node *np)
+{
+ mvebu_coreclk_setup(np, &kirkwood_coreclks);
+}
+CLK_OF_DECLARE(kirkwood_core_clk, "marvell,kirkwood-core-clock",
+ kirkwood_coreclk_init);
+
+static const struct coreclk_soc_desc mv88f6180_coreclks = {
+ .get_tclk_freq = kirkwood_get_tclk_freq,
+ .get_cpu_freq = mv88f6180_get_cpu_freq,
+ .get_clk_ratio = mv88f6180_get_clk_ratio,
+ .ratios = kirkwood_coreclk_ratios,
+ .num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios),
+};
+
+static void __init mv88f6180_coreclk_init(struct device_node *np)
+{
+ mvebu_coreclk_setup(np, &mv88f6180_coreclks);
+}
+CLK_OF_DECLARE(mv88f6180_core_clk, "marvell,mv88f6180-core-clock",
+ mv88f6180_coreclk_init);
+
+/*
+ * Clock Gating Control
+ */
+
+static const struct clk_gating_soc_desc __initconst kirkwood_gating_desc[] = {
+ { "ge0", NULL, 0, 0 },
+ { "pex0", NULL, 2, 0 },
+ { "usb0", NULL, 3, 0 },
+ { "sdio", NULL, 4, 0 },
+ { "tsu", NULL, 5, 0 },
+ { "runit", NULL, 7, 0 },
+ { "xor0", NULL, 8, 0 },
+ { "audio", NULL, 9, 0 },
+ { "powersave", "cpuclk", 11, 0 },
+ { "sata0", NULL, 14, 0 },
+ { "sata1", NULL, 15, 0 },
+ { "xor1", NULL, 16, 0 },
+ { "crypto", NULL, 17, 0 },
+ { "pex1", NULL, 18, 0 },
+ { "ge1", NULL, 19, 0 },
+ { "tdm", NULL, 20, 0 },
+ { }
+};
+
+static void __init kirkwood_clk_gating_init(struct device_node *np)
+{
+ mvebu_clk_gating_setup(np, kirkwood_gating_desc);
+}
+CLK_OF_DECLARE(kirkwood_clk_gating, "marvell,kirkwood-gating-clock",
+ kirkwood_clk_gating_init);
diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile
new file mode 100644
index 000000000000..8d3aefad2e73
--- /dev/null
+++ b/drivers/clk/rockchip/Makefile
@@ -0,0 +1,5 @@
+#
+# Rockchip Clock specific Makefile
+#
+
+obj-y += clk-rockchip.o
diff --git a/drivers/clk/rockchip/clk-rockchip.c b/drivers/clk/rockchip/clk-rockchip.c
new file mode 100644
index 000000000000..967c141b1a20
--- /dev/null
+++ b/drivers/clk/rockchip/clk-rockchip.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2013 MundoReader S.L.
+ * Author: Heiko Stuebner <heiko@sntech.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+static DEFINE_SPINLOCK(clk_lock);
+
+/*
+ * Gate clocks
+ */
+
+static void __init rk2928_gate_clk_init(struct device_node *node,
+ void *data)
+{
+ struct clk_onecell_data *clk_data;
+ const char *clk_parent;
+ const char *clk_name;
+ void __iomem *reg;
+ void __iomem *reg_idx;
+ int flags;
+ int qty;
+ int reg_bit;
+ int clkflags = CLK_SET_RATE_PARENT;
+ int i;
+
+ qty = of_property_count_strings(node, "clock-output-names");
+ if (qty < 0) {
+ pr_err("%s: error in clock-output-names %d\n", __func__, qty);
+ return;
+ }
+
+ if (qty == 0) {
+ pr_info("%s: nothing to do\n", __func__);
+ return;
+ }
+
+ reg = of_iomap(node, 0);
+
+ clk_data = kzalloc(sizeof(struct clk_onecell_data), GFP_KERNEL);
+ if (!clk_data)
+ return;
+
+ clk_data->clks = kzalloc(qty * sizeof(struct clk *), GFP_KERNEL);
+ if (!clk_data->clks) {
+ kfree(clk_data);
+ return;
+ }
+
+ flags = CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE;
+
+ for (i = 0; i < qty; i++) {
+ of_property_read_string_index(node, "clock-output-names",
+ i, &clk_name);
+
+ /* ignore empty slots */
+ if (!strcmp("reserved", clk_name))
+ continue;
+
+ clk_parent = of_clk_get_parent_name(node, i);
+
+ /* keep all gates untouched for now */
+ clkflags |= CLK_IGNORE_UNUSED;
+
+ reg_idx = reg + (4 * (i / 16));
+ reg_bit = (i % 16);
+
+ clk_data->clks[i] = clk_register_gate(NULL, clk_name,
+ clk_parent, clkflags,
+ reg_idx, reg_bit,
+ flags,
+ &clk_lock);
+ WARN_ON(IS_ERR(clk_data->clks[i]));
+ }
+
+ clk_data->clk_num = qty;
+
+ of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+}
+CLK_OF_DECLARE(rk2928_gate, "rockchip,rk2928-gate-clk", rk2928_gate_clk_init);
diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile
index b7c232e67425..5d4d432cc4ac 100644
--- a/drivers/clk/samsung/Makefile
+++ b/drivers/clk/samsung/Makefile
@@ -5,4 +5,6 @@
obj-$(CONFIG_COMMON_CLK) += clk.o clk-pll.o
obj-$(CONFIG_ARCH_EXYNOS4) += clk-exynos4.o
obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o
+obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o
obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o
+obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o
diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c
new file mode 100644
index 000000000000..9b1bbd52fd1f
--- /dev/null
+++ b/drivers/clk/samsung/clk-exynos-audss.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ * Author: Padmavathi Venna <padma.v@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Common Clock Framework support for Audio Subsystem Clock Controller.
+*/
+
+#include <linux/clkdev.h>
+#include <linux/io.h>
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+#include <linux/syscore_ops.h>
+
+#include <dt-bindings/clk/exynos-audss-clk.h>
+
+static DEFINE_SPINLOCK(lock);
+static struct clk **clk_table;
+static void __iomem *reg_base;
+static struct clk_onecell_data clk_data;
+
+#define ASS_CLK_SRC 0x0
+#define ASS_CLK_DIV 0x4
+#define ASS_CLK_GATE 0x8
+
+static unsigned long reg_save[][2] = {
+ {ASS_CLK_SRC, 0},
+ {ASS_CLK_DIV, 0},
+ {ASS_CLK_GATE, 0},
+};
+
+/* list of all parent clock list */
+static const char *mout_audss_p[] = { "fin_pll", "fout_epll" };
+static const char *mout_i2s_p[] = { "mout_audss", "cdclk0", "sclk_audio0" };
+
+#ifdef CONFIG_PM_SLEEP
+static int exynos_audss_clk_suspend(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(reg_save); i++)
+ reg_save[i][1] = readl(reg_base + reg_save[i][0]);
+
+ return 0;
+}
+
+static void exynos_audss_clk_resume(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(reg_save); i++)
+ writel(reg_save[i][1], reg_base + reg_save[i][0]);
+}
+
+static struct syscore_ops exynos_audss_clk_syscore_ops = {
+ .suspend = exynos_audss_clk_suspend,
+ .resume = exynos_audss_clk_resume,
+};
+#endif /* CONFIG_PM_SLEEP */
+
+/* register exynos_audss clocks */
+void __init exynos_audss_clk_init(struct device_node *np)
+{
+ reg_base = of_iomap(np, 0);
+ if (!reg_base) {
+ pr_err("%s: failed to map audss registers\n", __func__);
+ return;
+ }
+
+ clk_table = kzalloc(sizeof(struct clk *) * EXYNOS_AUDSS_MAX_CLKS,
+ GFP_KERNEL);
+ if (!clk_table) {
+ pr_err("%s: could not allocate clk lookup table\n", __func__);
+ return;
+ }
+
+ clk_data.clks = clk_table;
+ clk_data.clk_num = EXYNOS_AUDSS_MAX_CLKS;
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+
+ clk_table[EXYNOS_MOUT_AUDSS] = clk_register_mux(NULL, "mout_audss",
+ mout_audss_p, ARRAY_SIZE(mout_audss_p), 0,
+ reg_base + ASS_CLK_SRC, 0, 1, 0, &lock);
+
+ clk_table[EXYNOS_MOUT_I2S] = clk_register_mux(NULL, "mout_i2s",
+ mout_i2s_p, ARRAY_SIZE(mout_i2s_p), 0,
+ reg_base + ASS_CLK_SRC, 2, 2, 0, &lock);
+
+ clk_table[EXYNOS_DOUT_SRP] = clk_register_divider(NULL, "dout_srp",
+ "mout_audss", 0, reg_base + ASS_CLK_DIV, 0, 4,
+ 0, &lock);
+
+ clk_table[EXYNOS_DOUT_AUD_BUS] = clk_register_divider(NULL,
+ "dout_aud_bus", "dout_srp", 0,
+ reg_base + ASS_CLK_DIV, 4, 4, 0, &lock);
+
+ clk_table[EXYNOS_DOUT_I2S] = clk_register_divider(NULL, "dout_i2s",
+ "mout_i2s", 0, reg_base + ASS_CLK_DIV, 8, 4, 0,
+ &lock);
+
+ clk_table[EXYNOS_SRP_CLK] = clk_register_gate(NULL, "srp_clk",
+ "dout_srp", CLK_SET_RATE_PARENT,
+ reg_base + ASS_CLK_GATE, 0, 0, &lock);
+
+ clk_table[EXYNOS_I2S_BUS] = clk_register_gate(NULL, "i2s_bus",
+ "dout_aud_bus", CLK_SET_RATE_PARENT,
+ reg_base + ASS_CLK_GATE, 2, 0, &lock);
+
+ clk_table[EXYNOS_SCLK_I2S] = clk_register_gate(NULL, "sclk_i2s",
+ "dout_i2s", CLK_SET_RATE_PARENT,
+ reg_base + ASS_CLK_GATE, 3, 0, &lock);
+
+ clk_table[EXYNOS_PCM_BUS] = clk_register_gate(NULL, "pcm_bus",
+ "sclk_pcm", CLK_SET_RATE_PARENT,
+ reg_base + ASS_CLK_GATE, 4, 0, &lock);
+
+ clk_table[EXYNOS_SCLK_PCM] = clk_register_gate(NULL, "sclk_pcm",
+ "div_pcm0", CLK_SET_RATE_PARENT,
+ reg_base + ASS_CLK_GATE, 5, 0, &lock);
+
+#ifdef CONFIG_PM_SLEEP
+ register_syscore_ops(&exynos_audss_clk_syscore_ops);
+#endif
+
+ pr_info("Exynos: Audss: clock setup completed\n");
+}
+CLK_OF_DECLARE(exynos4210_audss_clk, "samsung,exynos4210-audss-clock",
+ exynos_audss_clk_init);
+CLK_OF_DECLARE(exynos5250_audss_clk, "samsung,exynos5250-audss-clock",
+ exynos_audss_clk_init);
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 3c1f88868f29..1bdb882c845b 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -151,7 +151,7 @@ enum exynos4_clks {
sclk_audio1, sclk_audio2, sclk_spdif, sclk_spi0, sclk_spi1, sclk_spi2,
sclk_slimbus, sclk_fimd1, sclk_mipi1, sclk_pcm1, sclk_pcm2, sclk_i2s1,
sclk_i2s2, sclk_mipihsi, sclk_mfc, sclk_pcm0, sclk_g3d, sclk_pwm_isp,
- sclk_spi0_isp, sclk_spi1_isp, sclk_uart_isp,
+ sclk_spi0_isp, sclk_spi1_isp, sclk_uart_isp, sclk_fimg2d,
/* gate clocks */
fimc0 = 256, fimc1, fimc2, fimc3, csis0, csis1, jpeg, smmu_fimc0,
@@ -356,8 +356,8 @@ struct samsung_fixed_rate_clock exynos4210_fixed_rate_clks[] __initdata = {
/* list of mux clocks supported in all exynos4 soc's */
struct samsung_mux_clock exynos4_mux_clks[] __initdata = {
- MUX_F(mout_apll, "mout_apll", mout_apll_p, SRC_CPU, 0, 1,
- CLK_SET_RATE_PARENT, 0),
+ MUX_FA(mout_apll, "mout_apll", mout_apll_p, SRC_CPU, 0, 1,
+ CLK_SET_RATE_PARENT, 0, "mout_apll"),
MUX(none, "mout_hdmi", mout_hdmi_p, SRC_TV, 0, 1),
MUX(none, "mout_mfc1", sclk_evpll_p, SRC_MFC, 4, 1),
MUX(none, "mout_mfc", mout_mfc_p, SRC_MFC, 8, 1),
@@ -385,9 +385,9 @@ struct samsung_mux_clock exynos4210_mux_clks[] __initdata = {
MUX(none, "mout_g2d", mout_g2d_p, E4210_SRC_IMAGE, 8, 1),
MUX(none, "mout_fimd1", group1_p4210, E4210_SRC_LCD1, 0, 4),
MUX(none, "mout_mipi1", group1_p4210, E4210_SRC_LCD1, 12, 4),
- MUX_A(sclk_mpll, "sclk_mpll", mout_mpll_p, SRC_CPU, 8, 1, "sclk_mpll"),
+ MUX_A(sclk_mpll, "sclk_mpll", mout_mpll_p, SRC_CPU, 8, 1, "mout_mpll"),
MUX_A(mout_core, "mout_core", mout_core_p4210,
- SRC_CPU, 16, 1, "mout_core"),
+ SRC_CPU, 16, 1, "moutcore"),
MUX_A(sclk_vpll, "sclk_vpll", sclk_vpll_p4210,
SRC_TOP0, 8, 1, "sclk_vpll"),
MUX(mout_fimc0, "mout_fimc0", group1_p4210, SRC_CAM, 0, 4),
@@ -424,8 +424,8 @@ struct samsung_mux_clock exynos4210_mux_clks[] __initdata = {
/* list of mux clocks supported in exynos4x12 soc */
struct samsung_mux_clock exynos4x12_mux_clks[] __initdata = {
- MUX(mout_mpll_user_c, "mout_mpll_user_c", mout_mpll_user_p4x12,
- SRC_CPU, 24, 1),
+ MUX_A(mout_mpll_user_c, "mout_mpll_user_c", mout_mpll_user_p4x12,
+ SRC_CPU, 24, 1, "mout_mpll"),
MUX(none, "mout_aclk266_gps", aclk_p4412, SRC_TOP1, 4, 1),
MUX(none, "mout_aclk400_mcuisp", aclk_p4412, SRC_TOP1, 8, 1),
MUX(mout_mpll_user_t, "mout_mpll_user_t", mout_mpll_user_p4x12,
@@ -449,7 +449,8 @@ struct samsung_mux_clock exynos4x12_mux_clks[] __initdata = {
SRC_DMC, 12, 1, "sclk_mpll"),
MUX_A(sclk_vpll, "sclk_vpll", mout_vpll_p,
SRC_TOP0, 8, 1, "sclk_vpll"),
- MUX(mout_core, "mout_core", mout_core_p4x12, SRC_CPU, 16, 1),
+ MUX_A(mout_core, "mout_core", mout_core_p4x12,
+ SRC_CPU, 16, 1, "moutcore"),
MUX(mout_fimc0, "mout_fimc0", group1_p4x12, SRC_CAM, 0, 4),
MUX(mout_fimc1, "mout_fimc1", group1_p4x12, SRC_CAM, 4, 4),
MUX(mout_fimc2, "mout_fimc2", group1_p4x12, SRC_CAM, 8, 4),
@@ -484,6 +485,9 @@ struct samsung_mux_clock exynos4x12_mux_clks[] __initdata = {
MUX(none, "mout_spi0_isp", group1_p4x12, E4X12_SRC_ISP, 4, 4),
MUX(none, "mout_spi1_isp", group1_p4x12, E4X12_SRC_ISP, 8, 4),
MUX(none, "mout_uart_isp", group1_p4x12, E4X12_SRC_ISP, 12, 4),
+ MUX(none, "mout_g2d0", sclk_ampll_p4210, SRC_DMC, 20, 1),
+ MUX(none, "mout_g2d1", sclk_evpll_p, SRC_DMC, 24, 1),
+ MUX(none, "mout_g2d", mout_g2d_p, SRC_DMC, 28, 1),
};
/* list of divider clocks supported in all exynos4 soc's */
@@ -534,7 +538,7 @@ struct samsung_div_clock exynos4_div_clks[] __initdata = {
DIV(none, "div_spi_pre2", "div_spi2", DIV_PERIL2, 8, 8),
DIV(none, "div_audio1", "mout_audio1", DIV_PERIL4, 0, 4),
DIV(none, "div_audio2", "mout_audio2", DIV_PERIL4, 16, 4),
- DIV_A(arm_clk, "arm_clk", "div_core2", DIV_CPU0, 28, 3, "arm_clk"),
+ DIV_A(arm_clk, "arm_clk", "div_core2", DIV_CPU0, 28, 3, "armclk"),
DIV_A(sclk_apll, "sclk_apll", "mout_apll",
DIV_CPU0, 24, 3, "sclk_apll"),
DIV_F(none, "div_mipi_pre0", "div_mipi0", DIV_LCD0, 20, 4,
@@ -552,7 +556,7 @@ struct samsung_div_clock exynos4_div_clks[] __initdata = {
/* list of divider clocks supported in exynos4210 soc */
struct samsung_div_clock exynos4210_div_clks[] __initdata = {
DIV(aclk200, "aclk200", "mout_aclk200", DIV_TOP, 0, 3),
- DIV(none, "div_g2d", "mout_g2d", DIV_IMAGE, 0, 4),
+ DIV(sclk_fimg2d, "sclk_fimg2d", "mout_g2d", DIV_IMAGE, 0, 4),
DIV(none, "div_fimd1", "mout_fimd1", E4210_DIV_LCD1, 0, 4),
DIV(none, "div_mipi1", "mout_mipi1", E4210_DIV_LCD1, 16, 4),
DIV(none, "div_sata", "mout_sata", DIV_FSYS0, 20, 4),
@@ -582,6 +586,7 @@ struct samsung_div_clock exynos4x12_div_clks[] __initdata = {
DIV(none, "div_mpwm", "div_isp1", E4X12_DIV_ISP1, 0, 3),
DIV(div_mcuisp0, "div_mcuisp0", "aclk400_mcuisp", E4X12_DIV_ISP1, 4, 3),
DIV(div_mcuisp1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1, 8, 3),
+ DIV(sclk_fimg2d, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4),
};
/* list of gate clocks supported in all exynos4 soc's */
@@ -909,6 +914,7 @@ struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = {
CLK_IGNORE_UNUSED, 0),
GATE(spi1_isp, "spi1_isp", "aclk200", E4X12_GATE_ISP1, 13,
CLK_IGNORE_UNUSED, 0),
+ GATE(g2d, "g2d", "aclk200", GATE_IP_DMC, 23, 0, 0),
};
/*
@@ -1065,9 +1071,9 @@ void __init exynos4_clk_init(struct device_node *np, enum exynos4_soc exynos4_so
pr_info("%s clocks: sclk_apll = %ld, sclk_mpll = %ld\n"
"\tsclk_epll = %ld, sclk_vpll = %ld, arm_clk = %ld\n",
exynos4_soc == EXYNOS4210 ? "Exynos4210" : "Exynos4x12",
- _get_rate("sclk_apll"), _get_rate("sclk_mpll"),
+ _get_rate("sclk_apll"), _get_rate("mout_mpll"),
_get_rate("sclk_epll"), _get_rate("sclk_vpll"),
- _get_rate("arm_clk"));
+ _get_rate("armclk"));
}
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index 5c97e75924a8..6f767c515ec7 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -87,6 +87,7 @@ enum exynos5250_clks {
sclk_mmc0, sclk_mmc1, sclk_mmc2, sclk_mmc3, sclk_sata, sclk_usb3,
sclk_jpeg, sclk_uart0, sclk_uart1, sclk_uart2, sclk_uart3, sclk_pwm,
sclk_audio1, sclk_audio2, sclk_spdif, sclk_spi0, sclk_spi1, sclk_spi2,
+ div_i2s1, div_i2s2,
/* gate clocks */
gscl0 = 256, gscl1, gscl2, gscl3, gscl_wa, gscl_wb, smmu_gscl0,
@@ -155,7 +156,7 @@ static __initdata unsigned long exynos5250_clk_regs[] = {
/* list of all parent clock list */
PNAME(mout_apll_p) = { "fin_pll", "fout_apll", };
-PNAME(mout_cpu_p) = { "mout_apll", "mout_mpll", };
+PNAME(mout_cpu_p) = { "mout_apll", "sclk_mpll", };
PNAME(mout_mpll_fout_p) = { "fout_mplldiv2", "fout_mpll" };
PNAME(mout_mpll_p) = { "fin_pll", "mout_mpll_fout" };
PNAME(mout_bpll_fout_p) = { "fout_bplldiv2", "fout_bpll" };
@@ -208,10 +209,10 @@ struct samsung_fixed_factor_clock exynos5250_fixed_factor_clks[] __initdata = {
};
struct samsung_mux_clock exynos5250_mux_clks[] __initdata = {
- MUX(none, "mout_apll", mout_apll_p, SRC_CPU, 0, 1),
- MUX(none, "mout_cpu", mout_cpu_p, SRC_CPU, 16, 1),
+ MUX_A(none, "mout_apll", mout_apll_p, SRC_CPU, 0, 1, "mout_apll"),
+ MUX_A(none, "mout_cpu", mout_cpu_p, SRC_CPU, 16, 1, "mout_cpu"),
MUX(none, "mout_mpll_fout", mout_mpll_fout_p, PLL_DIV2_SEL, 4, 1),
- MUX(none, "sclk_mpll", mout_mpll_p, SRC_CORE1, 8, 1),
+ MUX_A(none, "sclk_mpll", mout_mpll_p, SRC_CORE1, 8, 1, "mout_mpll"),
MUX(none, "mout_bpll_fout", mout_bpll_fout_p, PLL_DIV2_SEL, 0, 1),
MUX(none, "sclk_bpll", mout_bpll_p, SRC_CDREX, 0, 1),
MUX(none, "mout_vpllsrc", mout_vpllsrc_p, SRC_TOP2, 0, 1),
@@ -291,8 +292,8 @@ struct samsung_div_clock exynos5250_div_clks[] __initdata = {
DIV(none, "div_pcm1", "sclk_audio1", DIV_PERIC4, 4, 8),
DIV(none, "div_audio2", "mout_audio2", DIV_PERIC4, 16, 4),
DIV(none, "div_pcm2", "sclk_audio2", DIV_PERIC4, 20, 8),
- DIV(none, "div_i2s1", "sclk_audio1", DIV_PERIC5, 0, 6),
- DIV(none, "div_i2s2", "sclk_audio2", DIV_PERIC5, 8, 6),
+ DIV(div_i2s1, "div_i2s1", "sclk_audio1", DIV_PERIC5, 0, 6),
+ DIV(div_i2s2, "div_i2s2", "sclk_audio2", DIV_PERIC5, 8, 6),
DIV(sclk_pixel, "div_hdmi_pixel", "sclk_vpll", DIV_DISP1_0, 28, 4),
DIV_A(none, "armclk", "div_arm", DIV_CPU0, 28, 3, "armclk"),
DIV_F(none, "div_mipi1_pre", "div_mipi1",
@@ -378,7 +379,7 @@ struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
GATE(hsi2c3, "hsi2c3", "aclk66", GATE_IP_PERIC, 31, 0, 0),
GATE(chipid, "chipid", "aclk66", GATE_IP_PERIS, 0, 0, 0),
GATE(sysreg, "sysreg", "aclk66", GATE_IP_PERIS, 1, 0, 0),
- GATE(pmu, "pmu", "aclk66", GATE_IP_PERIS, 2, 0, 0),
+ GATE(pmu, "pmu", "aclk66", GATE_IP_PERIS, 2, CLK_IGNORE_UNUSED, 0),
GATE(tzpc0, "tzpc0", "aclk66", GATE_IP_PERIS, 6, 0, 0),
GATE(tzpc1, "tzpc1", "aclk66", GATE_IP_PERIS, 7, 0, 0),
GATE(tzpc2, "tzpc2", "aclk66", GATE_IP_PERIS, 8, 0, 0),
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
new file mode 100644
index 000000000000..68a96cbd4936
--- /dev/null
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -0,0 +1,762 @@
+/*
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ * Authors: Thomas Abraham <thomas.ab@samsung.com>
+ * Chander Kashyap <k.chander@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Common Clock Framework support for Exynos5420 SoC.
+*/
+
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include "clk.h"
+#include "clk-pll.h"
+
+#define SRC_CPU 0x200
+#define DIV_CPU0 0x500
+#define DIV_CPU1 0x504
+#define GATE_BUS_CPU 0x700
+#define GATE_SCLK_CPU 0x800
+#define SRC_TOP0 0x10200
+#define SRC_TOP1 0x10204
+#define SRC_TOP2 0x10208
+#define SRC_TOP3 0x1020c
+#define SRC_TOP4 0x10210
+#define SRC_TOP5 0x10214
+#define SRC_TOP6 0x10218
+#define SRC_TOP7 0x1021c
+#define SRC_DISP10 0x1022c
+#define SRC_MAU 0x10240
+#define SRC_FSYS 0x10244
+#define SRC_PERIC0 0x10250
+#define SRC_PERIC1 0x10254
+#define SRC_TOP10 0x10280
+#define SRC_TOP11 0x10284
+#define SRC_TOP12 0x10288
+#define SRC_MASK_DISP10 0x1032c
+#define SRC_MASK_FSYS 0x10340
+#define SRC_MASK_PERIC0 0x10350
+#define SRC_MASK_PERIC1 0x10354
+#define DIV_TOP0 0x10500
+#define DIV_TOP1 0x10504
+#define DIV_TOP2 0x10508
+#define DIV_DISP10 0x1052c
+#define DIV_MAU 0x10544
+#define DIV_FSYS0 0x10548
+#define DIV_FSYS1 0x1054c
+#define DIV_FSYS2 0x10550
+#define DIV_PERIC0 0x10558
+#define DIV_PERIC1 0x1055c
+#define DIV_PERIC2 0x10560
+#define DIV_PERIC3 0x10564
+#define DIV_PERIC4 0x10568
+#define GATE_BUS_TOP 0x10700
+#define GATE_BUS_FSYS0 0x10740
+#define GATE_BUS_PERIC 0x10750
+#define GATE_BUS_PERIC1 0x10754
+#define GATE_BUS_PERIS0 0x10760
+#define GATE_BUS_PERIS1 0x10764
+#define GATE_IP_GSCL0 0x10910
+#define GATE_IP_GSCL1 0x10920
+#define GATE_IP_MFC 0x1092c
+#define GATE_IP_DISP1 0x10928
+#define GATE_IP_G3D 0x10930
+#define GATE_IP_GEN 0x10934
+#define GATE_IP_MSCL 0x10970
+#define GATE_TOP_SCLK_GSCL 0x10820
+#define GATE_TOP_SCLK_DISP1 0x10828
+#define GATE_TOP_SCLK_MAU 0x1083c
+#define GATE_TOP_SCLK_FSYS 0x10840
+#define GATE_TOP_SCLK_PERIC 0x10850
+#define SRC_CDREX 0x20200
+#define SRC_KFC 0x28200
+#define DIV_KFC0 0x28500
+
+enum exynos5420_clks {
+ none,
+
+ /* core clocks */
+ fin_pll,
+
+ /* gate for special clocks (sclk) */
+ sclk_uart0 = 128, sclk_uart1, sclk_uart2, sclk_uart3, sclk_mmc0,
+ sclk_mmc1, sclk_mmc2, sclk_spi0, sclk_spi1, sclk_spi2, sclk_i2s1,
+ sclk_i2s2, sclk_pcm1, sclk_pcm2, sclk_spdif, sclk_hdmi, sclk_pixel,
+ sclk_dp1, sclk_mipi1, sclk_fimd1, sclk_maudio0, sclk_maupcm0,
+ sclk_usbd300, sclk_usbd301, sclk_usbphy300, sclk_usbphy301, sclk_unipro,
+ sclk_pwm, sclk_gscl_wa, sclk_gscl_wb,
+
+ /* gate clocks */
+ aclk66_peric = 256, uart0, uart1, uart2, uart3, i2c0, i2c1, i2c2, i2c3,
+ i2c4, i2c5, i2c6, i2c7, i2c_hdmi, tsadc, spi0, spi1, spi2, keyif, i2s1,
+ i2s2, pcm1, pcm2, pwm, spdif, i2c8, i2c9, i2c10, aclk66_psgen = 300,
+ chipid, sysreg, tzpc0, tzpc1, tzpc2, tzpc3, tzpc4, tzpc5, tzpc6, tzpc7,
+ tzpc8, tzpc9, hdmi_cec, seckey, mct, wdt, rtc, tmu, tmu_gpu,
+ pclk66_gpio = 330, aclk200_fsys2 = 350, mmc0, mmc1, mmc2, sromc, ufs,
+ aclk200_fsys = 360, tsi, pdma0, pdma1, rtic, usbh20, usbd300, usbd301,
+ aclk400_mscl = 380, mscl0, mscl1, mscl2, smmu_mscl0, smmu_mscl1,
+ smmu_mscl2, aclk333 = 400, mfc, smmu_mfcl, smmu_mfcr,
+ aclk200_disp1 = 410, dsim1, dp1, hdmi, aclk300_disp1 = 420, fimd1,
+ smmu_fimd1, aclk166 = 430, mixer, aclk266 = 440, rotator, mdma1,
+ smmu_rotator, smmu_mdma1, aclk300_jpeg = 450, jpeg, jpeg2, smmu_jpeg,
+ aclk300_gscl = 460, smmu_gscl0, smmu_gscl1, gscl_wa, gscl_wb, gscl0,
+ gscl1, clk_3aa, aclk266_g2d = 470, sss, slim_sss, mdma0,
+ aclk333_g2d = 480, g2d, aclk333_432_gscl = 490, smmu_3aa, smmu_fimcl0,
+ smmu_fimcl1, smmu_fimcl3, fimc_lite3, aclk_g3d = 500, g3d,
+
+ nr_clks,
+};
+
+/*
+ * list of controller registers to be saved and restored during a
+ * suspend/resume cycle.
+ */
+static __initdata unsigned long exynos5420_clk_regs[] = {
+ SRC_CPU,
+ DIV_CPU0,
+ DIV_CPU1,
+ GATE_BUS_CPU,
+ GATE_SCLK_CPU,
+ SRC_TOP0,
+ SRC_TOP1,
+ SRC_TOP2,
+ SRC_TOP3,
+ SRC_TOP4,
+ SRC_TOP5,
+ SRC_TOP6,
+ SRC_TOP7,
+ SRC_DISP10,
+ SRC_MAU,
+ SRC_FSYS,
+ SRC_PERIC0,
+ SRC_PERIC1,
+ SRC_TOP10,
+ SRC_TOP11,
+ SRC_TOP12,
+ SRC_MASK_DISP10,
+ SRC_MASK_FSYS,
+ SRC_MASK_PERIC0,
+ SRC_MASK_PERIC1,
+ DIV_TOP0,
+ DIV_TOP1,
+ DIV_TOP2,
+ DIV_DISP10,
+ DIV_MAU,
+ DIV_FSYS0,
+ DIV_FSYS1,
+ DIV_FSYS2,
+ DIV_PERIC0,
+ DIV_PERIC1,
+ DIV_PERIC2,
+ DIV_PERIC3,
+ DIV_PERIC4,
+ GATE_BUS_TOP,
+ GATE_BUS_FSYS0,
+ GATE_BUS_PERIC,
+ GATE_BUS_PERIC1,
+ GATE_BUS_PERIS0,
+ GATE_BUS_PERIS1,
+ GATE_IP_GSCL0,
+ GATE_IP_GSCL1,
+ GATE_IP_MFC,
+ GATE_IP_DISP1,
+ GATE_IP_G3D,
+ GATE_IP_GEN,
+ GATE_IP_MSCL,
+ GATE_TOP_SCLK_GSCL,
+ GATE_TOP_SCLK_DISP1,
+ GATE_TOP_SCLK_MAU,
+ GATE_TOP_SCLK_FSYS,
+ GATE_TOP_SCLK_PERIC,
+ SRC_CDREX,
+ SRC_KFC,
+ DIV_KFC0,
+};
+
+/* list of all parent clocks */
+PNAME(mspll_cpu_p) = { "sclk_cpll", "sclk_dpll",
+ "sclk_mpll", "sclk_spll" };
+PNAME(cpu_p) = { "mout_apll" , "mout_mspll_cpu" };
+PNAME(kfc_p) = { "mout_kpll" , "mout_mspll_kfc" };
+PNAME(apll_p) = { "fin_pll", "fout_apll", };
+PNAME(bpll_p) = { "fin_pll", "fout_bpll", };
+PNAME(cpll_p) = { "fin_pll", "fout_cpll", };
+PNAME(dpll_p) = { "fin_pll", "fout_dpll", };
+PNAME(epll_p) = { "fin_pll", "fout_epll", };
+PNAME(ipll_p) = { "fin_pll", "fout_ipll", };
+PNAME(kpll_p) = { "fin_pll", "fout_kpll", };
+PNAME(mpll_p) = { "fin_pll", "fout_mpll", };
+PNAME(rpll_p) = { "fin_pll", "fout_rpll", };
+PNAME(spll_p) = { "fin_pll", "fout_spll", };
+PNAME(vpll_p) = { "fin_pll", "fout_vpll", };
+
+PNAME(group1_p) = { "sclk_cpll", "sclk_dpll", "sclk_mpll" };
+PNAME(group2_p) = { "fin_pll", "sclk_cpll", "sclk_dpll", "sclk_mpll",
+ "sclk_spll", "sclk_ipll", "sclk_epll", "sclk_rpll" };
+PNAME(group3_p) = { "sclk_rpll", "sclk_spll" };
+PNAME(group4_p) = { "sclk_ipll", "sclk_dpll", "sclk_mpll" };
+PNAME(group5_p) = { "sclk_vpll", "sclk_dpll" };
+
+PNAME(sw_aclk66_p) = { "dout_aclk66", "sclk_spll" };
+PNAME(aclk66_peric_p) = { "fin_pll", "mout_sw_aclk66" };
+
+PNAME(sw_aclk200_fsys_p) = { "dout_aclk200_fsys", "sclk_spll"};
+PNAME(user_aclk200_fsys_p) = { "fin_pll", "mout_sw_aclk200_fsys" };
+
+PNAME(sw_aclk200_fsys2_p) = { "dout_aclk200_fsys2", "sclk_spll"};
+PNAME(user_aclk200_fsys2_p) = { "fin_pll", "mout_sw_aclk200_fsys2" };
+
+PNAME(sw_aclk200_p) = { "dout_aclk200", "sclk_spll"};
+PNAME(aclk200_disp1_p) = { "fin_pll", "mout_sw_aclk200" };
+
+PNAME(sw_aclk400_mscl_p) = { "dout_aclk400_mscl", "sclk_spll"};
+PNAME(user_aclk400_mscl_p) = { "fin_pll", "mout_sw_aclk400_mscl" };
+
+PNAME(sw_aclk333_p) = { "dout_aclk333", "sclk_spll"};
+PNAME(user_aclk333_p) = { "fin_pll", "mout_sw_aclk333" };
+
+PNAME(sw_aclk166_p) = { "dout_aclk166", "sclk_spll"};
+PNAME(user_aclk166_p) = { "fin_pll", "mout_sw_aclk166" };
+
+PNAME(sw_aclk266_p) = { "dout_aclk266", "sclk_spll"};
+PNAME(user_aclk266_p) = { "fin_pll", "mout_sw_aclk266" };
+
+PNAME(sw_aclk333_432_gscl_p) = { "dout_aclk333_432_gscl", "sclk_spll"};
+PNAME(user_aclk333_432_gscl_p) = { "fin_pll", "mout_sw_aclk333_432_gscl" };
+
+PNAME(sw_aclk300_gscl_p) = { "dout_aclk300_gscl", "sclk_spll"};
+PNAME(user_aclk300_gscl_p) = { "fin_pll", "mout_sw_aclk300_gscl" };
+
+PNAME(sw_aclk300_disp1_p) = { "dout_aclk300_disp1", "sclk_spll"};
+PNAME(user_aclk300_disp1_p) = { "fin_pll", "mout_sw_aclk300_disp1" };
+
+PNAME(sw_aclk300_jpeg_p) = { "dout_aclk300_jpeg", "sclk_spll"};
+PNAME(user_aclk300_jpeg_p) = { "fin_pll", "mout_sw_aclk300_jpeg" };
+
+PNAME(sw_aclk_g3d_p) = { "dout_aclk_g3d", "sclk_spll"};
+PNAME(user_aclk_g3d_p) = { "fin_pll", "mout_sw_aclk_g3d" };
+
+PNAME(sw_aclk266_g2d_p) = { "dout_aclk266_g2d", "sclk_spll"};
+PNAME(user_aclk266_g2d_p) = { "fin_pll", "mout_sw_aclk266_g2d" };
+
+PNAME(sw_aclk333_g2d_p) = { "dout_aclk333_g2d", "sclk_spll"};
+PNAME(user_aclk333_g2d_p) = { "fin_pll", "mout_sw_aclk333_g2d" };
+
+PNAME(audio0_p) = { "fin_pll", "cdclk0", "sclk_dpll", "sclk_mpll",
+ "sclk_spll", "sclk_ipll", "sclk_epll", "sclk_rpll" };
+PNAME(audio1_p) = { "fin_pll", "cdclk1", "sclk_dpll", "sclk_mpll",
+ "sclk_spll", "sclk_ipll", "sclk_epll", "sclk_rpll" };
+PNAME(audio2_p) = { "fin_pll", "cdclk2", "sclk_dpll", "sclk_mpll",
+ "sclk_spll", "sclk_ipll", "sclk_epll", "sclk_rpll" };
+PNAME(spdif_p) = { "fin_pll", "dout_audio0", "dout_audio1", "dout_audio2",
+ "spdif_extclk", "sclk_ipll", "sclk_epll", "sclk_rpll" };
+PNAME(hdmi_p) = { "sclk_hdmiphy", "dout_hdmi_pixel" };
+PNAME(maudio0_p) = { "fin_pll", "maudio_clk", "sclk_dpll", "sclk_mpll",
+ "sclk_spll", "sclk_ipll", "sclk_epll", "sclk_rpll" };
+
+/* fixed rate clocks generated outside the soc */
+struct samsung_fixed_rate_clock exynos5420_fixed_rate_ext_clks[] __initdata = {
+ FRATE(fin_pll, "fin_pll", NULL, CLK_IS_ROOT, 0),
+};
+
+/* fixed rate clocks generated inside the soc */
+struct samsung_fixed_rate_clock exynos5420_fixed_rate_clks[] __initdata = {
+ FRATE(none, "sclk_hdmiphy", NULL, CLK_IS_ROOT, 24000000),
+ FRATE(none, "sclk_pwi", NULL, CLK_IS_ROOT, 24000000),
+ FRATE(none, "sclk_usbh20", NULL, CLK_IS_ROOT, 48000000),
+ FRATE(none, "mphy_refclk_ixtal24", NULL, CLK_IS_ROOT, 48000000),
+ FRATE(none, "sclk_usbh20_scan_clk", NULL, CLK_IS_ROOT, 480000000),
+};
+
+struct samsung_fixed_factor_clock exynos5420_fixed_factor_clks[] __initdata = {
+ FFACTOR(none, "sclk_hsic_12m", "fin_pll", 1, 2, 0),
+};
+
+struct samsung_mux_clock exynos5420_mux_clks[] __initdata = {
+ MUX(none, "mout_mspll_kfc", mspll_cpu_p, SRC_TOP7, 8, 2),
+ MUX(none, "mout_mspll_cpu", mspll_cpu_p, SRC_TOP7, 12, 2),
+ MUX(none, "mout_apll", apll_p, SRC_CPU, 0, 1),
+ MUX(none, "mout_cpu", cpu_p, SRC_CPU, 16, 1),
+ MUX(none, "mout_kpll", kpll_p, SRC_KFC, 0, 1),
+ MUX(none, "mout_cpu_kfc", kfc_p, SRC_KFC, 16, 1),
+
+ MUX(none, "sclk_bpll", bpll_p, SRC_CDREX, 0, 1),
+
+ MUX_A(none, "mout_aclk400_mscl", group1_p,
+ SRC_TOP0, 4, 2, "aclk400_mscl"),
+ MUX(none, "mout_aclk200", group1_p, SRC_TOP0, 8, 2),
+ MUX(none, "mout_aclk200_fsys2", group1_p, SRC_TOP0, 12, 2),
+ MUX(none, "mout_aclk200_fsys", group1_p, SRC_TOP0, 28, 2),
+
+ MUX(none, "mout_aclk333_432_gscl", group4_p, SRC_TOP1, 0, 2),
+ MUX(none, "mout_aclk66", group1_p, SRC_TOP1, 8, 2),
+ MUX(none, "mout_aclk266", group1_p, SRC_TOP1, 20, 2),
+ MUX(none, "mout_aclk166", group1_p, SRC_TOP1, 24, 2),
+ MUX(none, "mout_aclk333", group1_p, SRC_TOP1, 28, 2),
+
+ MUX(none, "mout_aclk333_g2d", group1_p, SRC_TOP2, 8, 2),
+ MUX(none, "mout_aclk266_g2d", group1_p, SRC_TOP2, 12, 2),
+ MUX(none, "mout_aclk_g3d", group5_p, SRC_TOP2, 16, 1),
+ MUX(none, "mout_aclk300_jpeg", group1_p, SRC_TOP2, 20, 2),
+ MUX(none, "mout_aclk300_disp1", group1_p, SRC_TOP2, 24, 2),
+ MUX(none, "mout_aclk300_gscl", group1_p, SRC_TOP2, 28, 2),
+
+ MUX(none, "mout_user_aclk400_mscl", user_aclk400_mscl_p,
+ SRC_TOP3, 4, 1),
+ MUX_A(none, "mout_aclk200_disp1", aclk200_disp1_p,
+ SRC_TOP3, 8, 1, "aclk200_disp1"),
+ MUX(none, "mout_user_aclk200_fsys2", user_aclk200_fsys2_p,
+ SRC_TOP3, 12, 1),
+ MUX(none, "mout_user_aclk200_fsys", user_aclk200_fsys_p,
+ SRC_TOP3, 28, 1),
+
+ MUX(none, "mout_user_aclk333_432_gscl", user_aclk333_432_gscl_p,
+ SRC_TOP4, 0, 1),
+ MUX(none, "mout_aclk66_peric", aclk66_peric_p, SRC_TOP4, 8, 1),
+ MUX(none, "mout_user_aclk266", user_aclk266_p, SRC_TOP4, 20, 1),
+ MUX(none, "mout_user_aclk166", user_aclk166_p, SRC_TOP4, 24, 1),
+ MUX(none, "mout_user_aclk333", user_aclk333_p, SRC_TOP4, 28, 1),
+
+ MUX(none, "mout_aclk66_psgen", aclk66_peric_p, SRC_TOP5, 4, 1),
+ MUX(none, "mout_user_aclk333_g2d", user_aclk333_g2d_p, SRC_TOP5, 8, 1),
+ MUX(none, "mout_user_aclk266_g2d", user_aclk266_g2d_p, SRC_TOP5, 12, 1),
+ MUX_A(none, "mout_user_aclk_g3d", user_aclk_g3d_p,
+ SRC_TOP5, 16, 1, "aclkg3d"),
+ MUX(none, "mout_user_aclk300_jpeg", user_aclk300_jpeg_p,
+ SRC_TOP5, 20, 1),
+ MUX(none, "mout_user_aclk300_disp1", user_aclk300_disp1_p,
+ SRC_TOP5, 24, 1),
+ MUX(none, "mout_user_aclk300_gscl", user_aclk300_gscl_p,
+ SRC_TOP5, 28, 1),
+
+ MUX(none, "sclk_mpll", mpll_p, SRC_TOP6, 0, 1),
+ MUX(none, "sclk_vpll", vpll_p, SRC_TOP6, 4, 1),
+ MUX(none, "sclk_spll", spll_p, SRC_TOP6, 8, 1),
+ MUX(none, "sclk_ipll", ipll_p, SRC_TOP6, 12, 1),
+ MUX(none, "sclk_rpll", rpll_p, SRC_TOP6, 16, 1),
+ MUX(none, "sclk_epll", epll_p, SRC_TOP6, 20, 1),
+ MUX(none, "sclk_dpll", dpll_p, SRC_TOP6, 24, 1),
+ MUX(none, "sclk_cpll", cpll_p, SRC_TOP6, 28, 1),
+
+ MUX(none, "mout_sw_aclk400_mscl", sw_aclk400_mscl_p, SRC_TOP10, 4, 1),
+ MUX(none, "mout_sw_aclk200", sw_aclk200_p, SRC_TOP10, 8, 1),
+ MUX(none, "mout_sw_aclk200_fsys2", sw_aclk200_fsys2_p,
+ SRC_TOP10, 12, 1),
+ MUX(none, "mout_sw_aclk200_fsys", sw_aclk200_fsys_p, SRC_TOP10, 28, 1),
+
+ MUX(none, "mout_sw_aclk333_432_gscl", sw_aclk333_432_gscl_p,
+ SRC_TOP11, 0, 1),
+ MUX(none, "mout_sw_aclk66", sw_aclk66_p, SRC_TOP11, 8, 1),
+ MUX(none, "mout_sw_aclk266", sw_aclk266_p, SRC_TOP11, 20, 1),
+ MUX(none, "mout_sw_aclk166", sw_aclk166_p, SRC_TOP11, 24, 1),
+ MUX(none, "mout_sw_aclk333", sw_aclk333_p, SRC_TOP11, 28, 1),
+
+ MUX(none, "mout_sw_aclk333_g2d", sw_aclk333_g2d_p, SRC_TOP12, 8, 1),
+ MUX(none, "mout_sw_aclk266_g2d", sw_aclk266_g2d_p, SRC_TOP12, 12, 1),
+ MUX(none, "mout_sw_aclk_g3d", sw_aclk_g3d_p, SRC_TOP12, 16, 1),
+ MUX(none, "mout_sw_aclk300_jpeg", sw_aclk300_jpeg_p, SRC_TOP12, 20, 1),
+ MUX(none, "mout_sw_aclk300_disp1", sw_aclk300_disp1_p,
+ SRC_TOP12, 24, 1),
+ MUX(none, "mout_sw_aclk300_gscl", sw_aclk300_gscl_p, SRC_TOP12, 28, 1),
+
+ /* DISP1 Block */
+ MUX(none, "mout_fimd1", group3_p, SRC_DISP10, 4, 1),
+ MUX(none, "mout_mipi1", group2_p, SRC_DISP10, 16, 3),
+ MUX(none, "mout_dp1", group2_p, SRC_DISP10, 20, 3),
+ MUX(none, "mout_pixel", group2_p, SRC_DISP10, 24, 3),
+ MUX(none, "mout_hdmi", hdmi_p, SRC_DISP10, 28, 1),
+
+ /* MAU Block */
+ MUX(none, "mout_maudio0", maudio0_p, SRC_MAU, 28, 3),
+
+ /* FSYS Block */
+ MUX(none, "mout_usbd301", group2_p, SRC_FSYS, 4, 3),
+ MUX(none, "mout_mmc0", group2_p, SRC_FSYS, 8, 3),
+ MUX(none, "mout_mmc1", group2_p, SRC_FSYS, 12, 3),
+ MUX(none, "mout_mmc2", group2_p, SRC_FSYS, 16, 3),
+ MUX(none, "mout_usbd300", group2_p, SRC_FSYS, 20, 3),
+ MUX(none, "mout_unipro", group2_p, SRC_FSYS, 24, 3),
+
+ /* PERIC Block */
+ MUX(none, "mout_uart0", group2_p, SRC_PERIC0, 4, 3),
+ MUX(none, "mout_uart1", group2_p, SRC_PERIC0, 8, 3),
+ MUX(none, "mout_uart2", group2_p, SRC_PERIC0, 12, 3),
+ MUX(none, "mout_uart3", group2_p, SRC_PERIC0, 16, 3),
+ MUX(none, "mout_pwm", group2_p, SRC_PERIC0, 24, 3),
+ MUX(none, "mout_spdif", spdif_p, SRC_PERIC0, 28, 3),
+ MUX(none, "mout_audio0", audio0_p, SRC_PERIC1, 8, 3),
+ MUX(none, "mout_audio1", audio1_p, SRC_PERIC1, 12, 3),
+ MUX(none, "mout_audio2", audio2_p, SRC_PERIC1, 16, 3),
+ MUX(none, "mout_spi0", group2_p, SRC_PERIC1, 20, 3),
+ MUX(none, "mout_spi1", group2_p, SRC_PERIC1, 24, 3),
+ MUX(none, "mout_spi2", group2_p, SRC_PERIC1, 28, 3),
+};
+
+struct samsung_div_clock exynos5420_div_clks[] __initdata = {
+ DIV(none, "div_arm", "mout_cpu", DIV_CPU0, 0, 3),
+ DIV(none, "sclk_apll", "mout_apll", DIV_CPU0, 24, 3),
+ DIV(none, "armclk2", "div_arm", DIV_CPU0, 28, 3),
+ DIV(none, "div_kfc", "mout_cpu_kfc", DIV_KFC0, 0, 3),
+ DIV(none, "sclk_kpll", "mout_kpll", DIV_KFC0, 24, 3),
+
+ DIV(none, "dout_aclk400_mscl", "mout_aclk400_mscl", DIV_TOP0, 4, 3),
+ DIV(none, "dout_aclk200", "mout_aclk200", DIV_TOP0, 8, 3),
+ DIV(none, "dout_aclk200_fsys2", "mout_aclk200_fsys2", DIV_TOP0, 12, 3),
+ DIV(none, "dout_pclk200_fsys", "mout_pclk200_fsys", DIV_TOP0, 24, 3),
+ DIV(none, "dout_aclk200_fsys", "mout_aclk200_fsys", DIV_TOP0, 28, 3),
+
+ DIV(none, "dout_aclk333_432_gscl", "mout_aclk333_432_gscl",
+ DIV_TOP1, 0, 3),
+ DIV(none, "dout_aclk66", "mout_aclk66", DIV_TOP1, 8, 6),
+ DIV(none, "dout_aclk266", "mout_aclk266", DIV_TOP1, 20, 3),
+ DIV(none, "dout_aclk166", "mout_aclk166", DIV_TOP1, 24, 3),
+ DIV(none, "dout_aclk333", "mout_aclk333", DIV_TOP1, 28, 3),
+
+ DIV(none, "dout_aclk333_g2d", "mout_aclk333_g2d", DIV_TOP2, 8, 3),
+ DIV(none, "dout_aclk266_g2d", "mout_aclk266_g2d", DIV_TOP2, 12, 3),
+ DIV(none, "dout_aclk_g3d", "mout_aclk_g3d", DIV_TOP2, 16, 3),
+ DIV(none, "dout_aclk300_jpeg", "mout_aclk300_jpeg", DIV_TOP2, 20, 3),
+ DIV_A(none, "dout_aclk300_disp1", "mout_aclk300_disp1",
+ DIV_TOP2, 24, 3, "aclk300_disp1"),
+ DIV(none, "dout_aclk300_gscl", "mout_aclk300_gscl", DIV_TOP2, 28, 3),
+
+ /* DISP1 Block */
+ DIV(none, "dout_fimd1", "mout_fimd1", DIV_DISP10, 0, 4),
+ DIV(none, "dout_mipi1", "mout_mipi1", DIV_DISP10, 16, 8),
+ DIV(none, "dout_dp1", "mout_dp1", DIV_DISP10, 24, 4),
+ DIV(none, "dout_hdmi_pixel", "mout_pixel", DIV_DISP10, 28, 4),
+
+ /* Audio Block */
+ DIV(none, "dout_maudio0", "mout_maudio0", DIV_MAU, 20, 4),
+ DIV(none, "dout_maupcm0", "dout_maudio0", DIV_MAU, 24, 8),
+
+ /* USB3.0 */
+ DIV(none, "dout_usbphy301", "mout_usbd301", DIV_FSYS0, 12, 4),
+ DIV(none, "dout_usbphy300", "mout_usbd300", DIV_FSYS0, 16, 4),
+ DIV(none, "dout_usbd301", "mout_usbd301", DIV_FSYS0, 20, 4),
+ DIV(none, "dout_usbd300", "mout_usbd300", DIV_FSYS0, 24, 4),
+
+ /* MMC */
+ DIV(none, "dout_mmc0", "mout_mmc0", DIV_FSYS1, 0, 10),
+ DIV(none, "dout_mmc1", "mout_mmc1", DIV_FSYS1, 10, 10),
+ DIV(none, "dout_mmc2", "mout_mmc2", DIV_FSYS1, 20, 10),
+
+ DIV(none, "dout_unipro", "mout_unipro", DIV_FSYS2, 24, 8),
+
+ /* UART and PWM */
+ DIV(none, "dout_uart0", "mout_uart0", DIV_PERIC0, 8, 4),
+ DIV(none, "dout_uart1", "mout_uart1", DIV_PERIC0, 12, 4),
+ DIV(none, "dout_uart2", "mout_uart2", DIV_PERIC0, 16, 4),
+ DIV(none, "dout_uart3", "mout_uart3", DIV_PERIC0, 20, 4),
+ DIV(none, "dout_pwm", "mout_pwm", DIV_PERIC0, 28, 4),
+
+ /* SPI */
+ DIV(none, "dout_spi0", "mout_spi0", DIV_PERIC1, 20, 4),
+ DIV(none, "dout_spi1", "mout_spi1", DIV_PERIC1, 24, 4),
+ DIV(none, "dout_spi2", "mout_spi2", DIV_PERIC1, 28, 4),
+
+ /* PCM */
+ DIV(none, "dout_pcm1", "dout_audio1", DIV_PERIC2, 16, 8),
+ DIV(none, "dout_pcm2", "dout_audio2", DIV_PERIC2, 24, 8),
+
+ /* Audio - I2S */
+ DIV(none, "dout_i2s1", "dout_audio1", DIV_PERIC3, 6, 6),
+ DIV(none, "dout_i2s2", "dout_audio2", DIV_PERIC3, 12, 6),
+ DIV(none, "dout_audio0", "mout_audio0", DIV_PERIC3, 20, 4),
+ DIV(none, "dout_audio1", "mout_audio1", DIV_PERIC3, 24, 4),
+ DIV(none, "dout_audio2", "mout_audio2", DIV_PERIC3, 28, 4),
+
+ /* SPI Pre-Ratio */
+ DIV(none, "dout_pre_spi0", "dout_spi0", DIV_PERIC4, 8, 8),
+ DIV(none, "dout_pre_spi1", "dout_spi1", DIV_PERIC4, 16, 8),
+ DIV(none, "dout_pre_spi2", "dout_spi2", DIV_PERIC4, 24, 8),
+};
+
+struct samsung_gate_clock exynos5420_gate_clks[] __initdata = {
+ /* TODO: Re-verify the CG bits for all the gate clocks */
+ GATE_A(mct, "pclk_st", "aclk66_psgen", GATE_BUS_PERIS1, 2, 0, 0, "mct"),
+
+ GATE(0, "aclk200_fsys", "mout_user_aclk200_fsys",
+ GATE_BUS_FSYS0, 9, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "aclk200_fsys2", "mout_user_aclk200_fsys2",
+ GATE_BUS_FSYS0, 10, CLK_IGNORE_UNUSED, 0),
+
+ GATE(0, "aclk333_g2d", "mout_user_aclk333_g2d",
+ GATE_BUS_TOP, 0, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "aclk266_g2d", "mout_user_aclk266_g2d",
+ GATE_BUS_TOP, 1, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "aclk300_jpeg", "mout_user_aclk300_jpeg",
+ GATE_BUS_TOP, 4, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "aclk300_gscl", "mout_user_aclk300_gscl",
+ GATE_BUS_TOP, 6, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "aclk333_432_gscl", "mout_user_aclk333_432_gscl",
+ GATE_BUS_TOP, 7, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "pclk66_gpio", "mout_sw_aclk66",
+ GATE_BUS_TOP, 9, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "aclk66_psgen", "mout_aclk66_psgen",
+ GATE_BUS_TOP, 10, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "aclk66_peric", "mout_aclk66_peric",
+ GATE_BUS_TOP, 11, 0, 0),
+ GATE(0, "aclk166", "mout_user_aclk166",
+ GATE_BUS_TOP, 14, CLK_IGNORE_UNUSED, 0),
+ GATE(0, "aclk333", "mout_aclk333",
+ GATE_BUS_TOP, 15, CLK_IGNORE_UNUSED, 0),
+
+ /* sclk */
+ GATE(sclk_uart0, "sclk_uart0", "dout_uart0",
+ GATE_TOP_SCLK_PERIC, 0, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_uart1, "sclk_uart1", "dout_uart1",
+ GATE_TOP_SCLK_PERIC, 1, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_uart2, "sclk_uart2", "dout_uart2",
+ GATE_TOP_SCLK_PERIC, 2, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_uart3, "sclk_uart3", "dout_uart3",
+ GATE_TOP_SCLK_PERIC, 3, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_spi0, "sclk_spi0", "dout_pre_spi0",
+ GATE_TOP_SCLK_PERIC, 6, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_spi1, "sclk_spi1", "dout_pre_spi1",
+ GATE_TOP_SCLK_PERIC, 7, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_spi2, "sclk_spi2", "dout_pre_spi2",
+ GATE_TOP_SCLK_PERIC, 8, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_spdif, "sclk_spdif", "mout_spdif",
+ GATE_TOP_SCLK_PERIC, 9, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_pwm, "sclk_pwm", "dout_pwm",
+ GATE_TOP_SCLK_PERIC, 11, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_pcm1, "sclk_pcm1", "dout_pcm1",
+ GATE_TOP_SCLK_PERIC, 15, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_pcm2, "sclk_pcm2", "dout_pcm2",
+ GATE_TOP_SCLK_PERIC, 16, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_i2s1, "sclk_i2s1", "dout_i2s1",
+ GATE_TOP_SCLK_PERIC, 17, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_i2s2, "sclk_i2s2", "dout_i2s2",
+ GATE_TOP_SCLK_PERIC, 18, CLK_SET_RATE_PARENT, 0),
+
+ GATE(sclk_mmc0, "sclk_mmc0", "dout_mmc0",
+ GATE_TOP_SCLK_FSYS, 0, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_mmc1, "sclk_mmc1", "dout_mmc1",
+ GATE_TOP_SCLK_FSYS, 1, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_mmc2, "sclk_mmc2", "dout_mmc2",
+ GATE_TOP_SCLK_FSYS, 2, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_usbphy301, "sclk_usbphy301", "dout_usbphy301",
+ GATE_TOP_SCLK_FSYS, 7, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_usbphy300, "sclk_usbphy300", "dout_usbphy300",
+ GATE_TOP_SCLK_FSYS, 8, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_usbd300, "sclk_usbd300", "dout_usbd300",
+ GATE_TOP_SCLK_FSYS, 9, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_usbd301, "sclk_usbd301", "dout_usbd301",
+ GATE_TOP_SCLK_FSYS, 10, CLK_SET_RATE_PARENT, 0),
+
+ GATE(sclk_usbd301, "sclk_unipro", "dout_unipro",
+ SRC_MASK_FSYS, 24, CLK_SET_RATE_PARENT, 0),
+
+ GATE(sclk_gscl_wa, "sclk_gscl_wa", "aclK333_432_gscl",
+ GATE_TOP_SCLK_GSCL, 6, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_gscl_wb, "sclk_gscl_wb", "aclk333_432_gscl",
+ GATE_TOP_SCLK_GSCL, 7, CLK_SET_RATE_PARENT, 0),
+
+ /* Display */
+ GATE(sclk_fimd1, "sclk_fimd1", "dout_fimd1",
+ GATE_TOP_SCLK_DISP1, 0, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_mipi1, "sclk_mipi1", "dout_mipi1",
+ GATE_TOP_SCLK_DISP1, 3, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_hdmi, "sclk_hdmi", "mout_hdmi",
+ GATE_TOP_SCLK_DISP1, 9, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_pixel, "sclk_pixel", "dout_hdmi_pixel",
+ GATE_TOP_SCLK_DISP1, 10, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_dp1, "sclk_dp1", "dout_dp1",
+ GATE_TOP_SCLK_DISP1, 20, CLK_SET_RATE_PARENT, 0),
+
+ /* Maudio Block */
+ GATE(sclk_maudio0, "sclk_maudio0", "dout_maudio0",
+ GATE_TOP_SCLK_MAU, 0, CLK_SET_RATE_PARENT, 0),
+ GATE(sclk_maupcm0, "sclk_maupcm0", "dout_maupcm0",
+ GATE_TOP_SCLK_MAU, 1, CLK_SET_RATE_PARENT, 0),
+ /* FSYS */
+ GATE(tsi, "tsi", "aclk200_fsys", GATE_BUS_FSYS0, 0, 0, 0),
+ GATE(pdma0, "pdma0", "aclk200_fsys", GATE_BUS_FSYS0, 1, 0, 0),
+ GATE(pdma1, "pdma1", "aclk200_fsys", GATE_BUS_FSYS0, 2, 0, 0),
+ GATE(ufs, "ufs", "aclk200_fsys2", GATE_BUS_FSYS0, 3, 0, 0),
+ GATE(rtic, "rtic", "aclk200_fsys", GATE_BUS_FSYS0, 5, 0, 0),
+ GATE(mmc0, "mmc0", "aclk200_fsys2", GATE_BUS_FSYS0, 12, 0, 0),
+ GATE(mmc1, "mmc1", "aclk200_fsys2", GATE_BUS_FSYS0, 13, 0, 0),
+ GATE(mmc2, "mmc2", "aclk200_fsys2", GATE_BUS_FSYS0, 14, 0, 0),
+ GATE(sromc, "sromc", "aclk200_fsys2",
+ GATE_BUS_FSYS0, 19, CLK_IGNORE_UNUSED, 0),
+ GATE(usbh20, "usbh20", "aclk200_fsys", GATE_BUS_FSYS0, 20, 0, 0),
+ GATE(usbd300, "usbd300", "aclk200_fsys", GATE_BUS_FSYS0, 21, 0, 0),
+ GATE(usbd301, "usbd301", "aclk200_fsys", GATE_BUS_FSYS0, 28, 0, 0),
+
+ /* UART */
+ GATE(uart0, "uart0", "aclk66_peric", GATE_BUS_PERIC, 4, 0, 0),
+ GATE(uart1, "uart1", "aclk66_peric", GATE_BUS_PERIC, 5, 0, 0),
+ GATE_A(uart2, "uart2", "aclk66_peric",
+ GATE_BUS_PERIC, 6, CLK_IGNORE_UNUSED, 0, "uart2"),
+ GATE(uart3, "uart3", "aclk66_peric", GATE_BUS_PERIC, 7, 0, 0),
+ /* I2C */
+ GATE(i2c0, "i2c0", "aclk66_peric", GATE_BUS_PERIC, 9, 0, 0),
+ GATE(i2c1, "i2c1", "aclk66_peric", GATE_BUS_PERIC, 10, 0, 0),
+ GATE(i2c2, "i2c2", "aclk66_peric", GATE_BUS_PERIC, 11, 0, 0),
+ GATE(i2c3, "i2c3", "aclk66_peric", GATE_BUS_PERIC, 12, 0, 0),
+ GATE(i2c4, "i2c4", "aclk66_peric", GATE_BUS_PERIC, 13, 0, 0),
+ GATE(i2c5, "i2c5", "aclk66_peric", GATE_BUS_PERIC, 14, 0, 0),
+ GATE(i2c6, "i2c6", "aclk66_peric", GATE_BUS_PERIC, 15, 0, 0),
+ GATE(i2c7, "i2c7", "aclk66_peric", GATE_BUS_PERIC, 16, 0, 0),
+ GATE(i2c_hdmi, "i2c_hdmi", "aclk66_peric", GATE_BUS_PERIC, 17, 0, 0),
+ GATE(tsadc, "tsadc", "aclk66_peric", GATE_BUS_PERIC, 18, 0, 0),
+ /* SPI */
+ GATE(spi0, "spi0", "aclk66_peric", GATE_BUS_PERIC, 19, 0, 0),
+ GATE(spi1, "spi1", "aclk66_peric", GATE_BUS_PERIC, 20, 0, 0),
+ GATE(spi2, "spi2", "aclk66_peric", GATE_BUS_PERIC, 21, 0, 0),
+ GATE(keyif, "keyif", "aclk66_peric", GATE_BUS_PERIC, 22, 0, 0),
+ /* I2S */
+ GATE(i2s1, "i2s1", "aclk66_peric", GATE_BUS_PERIC, 23, 0, 0),
+ GATE(i2s2, "i2s2", "aclk66_peric", GATE_BUS_PERIC, 24, 0, 0),
+ /* PCM */
+ GATE(pcm1, "pcm1", "aclk66_peric", GATE_BUS_PERIC, 25, 0, 0),
+ GATE(pcm2, "pcm2", "aclk66_peric", GATE_BUS_PERIC, 26, 0, 0),
+ /* PWM */
+ GATE(pwm, "pwm", "aclk66_peric", GATE_BUS_PERIC, 27, 0, 0),
+ /* SPDIF */
+ GATE(spdif, "spdif", "aclk66_peric", GATE_BUS_PERIC, 29, 0, 0),
+
+ GATE(i2c8, "i2c8", "aclk66_peric", GATE_BUS_PERIC1, 0, 0, 0),
+ GATE(i2c9, "i2c9", "aclk66_peric", GATE_BUS_PERIC1, 1, 0, 0),
+ GATE(i2c10, "i2c10", "aclk66_peric", GATE_BUS_PERIC1, 2, 0, 0),
+
+ GATE(chipid, "chipid", "aclk66_psgen",
+ GATE_BUS_PERIS0, 12, CLK_IGNORE_UNUSED, 0),
+ GATE(sysreg, "sysreg", "aclk66_psgen",
+ GATE_BUS_PERIS0, 13, CLK_IGNORE_UNUSED, 0),
+ GATE(tzpc0, "tzpc0", "aclk66_psgen", GATE_BUS_PERIS0, 18, 0, 0),
+ GATE(tzpc1, "tzpc1", "aclk66_psgen", GATE_BUS_PERIS0, 19, 0, 0),
+ GATE(tzpc2, "tzpc2", "aclk66_psgen", GATE_BUS_PERIS0, 20, 0, 0),
+ GATE(tzpc3, "tzpc3", "aclk66_psgen", GATE_BUS_PERIS0, 21, 0, 0),
+ GATE(tzpc4, "tzpc4", "aclk66_psgen", GATE_BUS_PERIS0, 22, 0, 0),
+ GATE(tzpc5, "tzpc5", "aclk66_psgen", GATE_BUS_PERIS0, 23, 0, 0),
+ GATE(tzpc6, "tzpc6", "aclk66_psgen", GATE_BUS_PERIS0, 24, 0, 0),
+ GATE(tzpc7, "tzpc7", "aclk66_psgen", GATE_BUS_PERIS0, 25, 0, 0),
+ GATE(tzpc8, "tzpc8", "aclk66_psgen", GATE_BUS_PERIS0, 26, 0, 0),
+ GATE(tzpc9, "tzpc9", "aclk66_psgen", GATE_BUS_PERIS0, 27, 0, 0),
+
+ GATE(hdmi_cec, "hdmi_cec", "aclk66_psgen", GATE_BUS_PERIS1, 0, 0, 0),
+ GATE(seckey, "seckey", "aclk66_psgen", GATE_BUS_PERIS1, 1, 0, 0),
+ GATE(wdt, "wdt", "aclk66_psgen", GATE_BUS_PERIS1, 3, 0, 0),
+ GATE(rtc, "rtc", "aclk66_psgen", GATE_BUS_PERIS1, 4, 0, 0),
+ GATE(tmu, "tmu", "aclk66_psgen", GATE_BUS_PERIS1, 5, 0, 0),
+ GATE(tmu_gpu, "tmu_gpu", "aclk66_psgen", GATE_BUS_PERIS1, 6, 0, 0),
+
+ GATE(gscl0, "gscl0", "aclk300_gscl", GATE_IP_GSCL0, 0, 0, 0),
+ GATE(gscl1, "gscl1", "aclk300_gscl", GATE_IP_GSCL0, 1, 0, 0),
+ GATE(clk_3aa, "clk_3aa", "aclk300_gscl", GATE_IP_GSCL0, 4, 0, 0),
+
+ GATE(smmu_3aa, "smmu_3aa", "aclk333_432_gscl", GATE_IP_GSCL1, 2, 0, 0),
+ GATE(smmu_fimcl0, "smmu_fimcl0", "aclk333_432_gscl",
+ GATE_IP_GSCL1, 3, 0, 0),
+ GATE(smmu_fimcl1, "smmu_fimcl1", "aclk333_432_gscl",
+ GATE_IP_GSCL1, 4, 0, 0),
+ GATE(smmu_gscl0, "smmu_gscl0", "aclk300_gscl", GATE_IP_GSCL1, 6, 0, 0),
+ GATE(smmu_gscl1, "smmu_gscl1", "aclk300_gscl", GATE_IP_GSCL1, 7, 0, 0),
+ GATE(gscl_wa, "gscl_wa", "aclk300_gscl", GATE_IP_GSCL1, 12, 0, 0),
+ GATE(gscl_wb, "gscl_wb", "aclk300_gscl", GATE_IP_GSCL1, 13, 0, 0),
+ GATE(smmu_fimcl3, "smmu_fimcl3,", "aclk333_432_gscl",
+ GATE_IP_GSCL1, 16, 0, 0),
+ GATE(fimc_lite3, "fimc_lite3", "aclk333_432_gscl",
+ GATE_IP_GSCL1, 17, 0, 0),
+
+ GATE(fimd1, "fimd1", "aclk300_disp1", GATE_IP_DISP1, 0, 0, 0),
+ GATE(dsim1, "dsim1", "aclk200_disp1", GATE_IP_DISP1, 3, 0, 0),
+ GATE(dp1, "dp1", "aclk200_disp1", GATE_IP_DISP1, 4, 0, 0),
+ GATE(mixer, "mixer", "aclk166", GATE_IP_DISP1, 5, 0, 0),
+ GATE(hdmi, "hdmi", "aclk200_disp1", GATE_IP_DISP1, 6, 0, 0),
+ GATE(smmu_fimd1, "smmu_fimd1", "aclk300_disp1", GATE_IP_DISP1, 8, 0, 0),
+
+ GATE(mfc, "mfc", "aclk333", GATE_IP_MFC, 0, 0, 0),
+ GATE(smmu_mfcl, "smmu_mfcl", "aclk333", GATE_IP_MFC, 1, 0, 0),
+ GATE(smmu_mfcr, "smmu_mfcr", "aclk333", GATE_IP_MFC, 2, 0, 0),
+
+ GATE(g3d, "g3d", "aclkg3d", GATE_IP_G3D, 9, 0, 0),
+
+ GATE(rotator, "rotator", "aclk266", GATE_IP_GEN, 1, 0, 0),
+ GATE(jpeg, "jpeg", "aclk300_jpeg", GATE_IP_GEN, 2, 0, 0),
+ GATE(jpeg2, "jpeg2", "aclk300_jpeg", GATE_IP_GEN, 3, 0, 0),
+ GATE(mdma1, "mdma1", "aclk266", GATE_IP_GEN, 4, 0, 0),
+ GATE(smmu_rotator, "smmu_rotator", "aclk266", GATE_IP_GEN, 6, 0, 0),
+ GATE(smmu_jpeg, "smmu_jpeg", "aclk300_jpeg", GATE_IP_GEN, 7, 0, 0),
+ GATE(smmu_mdma1, "smmu_mdma1", "aclk266", GATE_IP_GEN, 9, 0, 0),
+
+ GATE(mscl0, "mscl0", "aclk400_mscl", GATE_IP_MSCL, 0, 0, 0),
+ GATE(mscl1, "mscl1", "aclk400_mscl", GATE_IP_MSCL, 1, 0, 0),
+ GATE(mscl2, "mscl2", "aclk400_mscl", GATE_IP_MSCL, 2, 0, 0),
+ GATE(smmu_mscl0, "smmu_mscl0", "aclk400_mscl", GATE_IP_MSCL, 8, 0, 0),
+ GATE(smmu_mscl1, "smmu_mscl1", "aclk400_mscl", GATE_IP_MSCL, 9, 0, 0),
+ GATE(smmu_mscl2, "smmu_mscl2", "aclk400_mscl", GATE_IP_MSCL, 10, 0, 0),
+};
+
+static __initdata struct of_device_id ext_clk_match[] = {
+ { .compatible = "samsung,exynos5420-oscclk", .data = (void *)0, },
+ { },
+};
+
+/* register exynos5420 clocks */
+void __init exynos5420_clk_init(struct device_node *np)
+{
+ void __iomem *reg_base;
+ struct clk *apll, *bpll, *cpll, *dpll, *epll, *ipll, *kpll, *mpll;
+ struct clk *rpll, *spll, *vpll;
+
+ if (np) {
+ reg_base = of_iomap(np, 0);
+ if (!reg_base)
+ panic("%s: failed to map registers\n", __func__);
+ } else {
+ panic("%s: unable to determine soc\n", __func__);
+ }
+
+ samsung_clk_init(np, reg_base, nr_clks,
+ exynos5420_clk_regs, ARRAY_SIZE(exynos5420_clk_regs),
+ NULL, 0);
+ samsung_clk_of_register_fixed_ext(exynos5420_fixed_rate_ext_clks,
+ ARRAY_SIZE(exynos5420_fixed_rate_ext_clks),
+ ext_clk_match);
+
+ apll = samsung_clk_register_pll35xx("fout_apll", "fin_pll",
+ reg_base + 0x100);
+ bpll = samsung_clk_register_pll35xx("fout_bpll", "fin_pll",
+ reg_base + 0x20110);
+ cpll = samsung_clk_register_pll35xx("fout_cpll", "fin_pll",
+ reg_base + 0x10120);
+ dpll = samsung_clk_register_pll35xx("fout_dpll", "fin_pll",
+ reg_base + 0x10128);
+ epll = samsung_clk_register_pll36xx("fout_epll", "fin_pll",
+ reg_base + 0x10130);
+ ipll = samsung_clk_register_pll35xx("fout_ipll", "fin_pll",
+ reg_base + 0x10150);
+ kpll = samsung_clk_register_pll35xx("fout_kpll", "fin_pll",
+ reg_base + 0x28100);
+ mpll = samsung_clk_register_pll35xx("fout_mpll", "fin_pll",
+ reg_base + 0x10180);
+ rpll = samsung_clk_register_pll36xx("fout_rpll", "fin_pll",
+ reg_base + 0x10140);
+ spll = samsung_clk_register_pll35xx("fout_spll", "fin_pll",
+ reg_base + 0x10160);
+ vpll = samsung_clk_register_pll35xx("fout_vpll", "fin_pll",
+ reg_base + 0x10170);
+
+ samsung_clk_register_fixed_rate(exynos5420_fixed_rate_clks,
+ ARRAY_SIZE(exynos5420_fixed_rate_clks));
+ samsung_clk_register_fixed_factor(exynos5420_fixed_factor_clks,
+ ARRAY_SIZE(exynos5420_fixed_factor_clks));
+ samsung_clk_register_mux(exynos5420_mux_clks,
+ ARRAY_SIZE(exynos5420_mux_clks));
+ samsung_clk_register_div(exynos5420_div_clks,
+ ARRAY_SIZE(exynos5420_div_clks));
+ samsung_clk_register_gate(exynos5420_gate_clks,
+ ARRAY_SIZE(exynos5420_gate_clks));
+}
+CLK_OF_DECLARE(exynos5420_clk, "samsung,exynos5420-clock", exynos5420_clk_init);
diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c
index 89135f6be116..362f12dcd944 100644
--- a/drivers/clk/samsung/clk-pll.c
+++ b/drivers/clk/samsung/clk-pll.c
@@ -111,7 +111,8 @@ static unsigned long samsung_pll36xx_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct samsung_clk_pll36xx *pll = to_clk_pll36xx(hw);
- u32 mdiv, pdiv, sdiv, kdiv, pll_con0, pll_con1;
+ u32 mdiv, pdiv, sdiv, pll_con0, pll_con1;
+ s16 kdiv;
u64 fvco = parent_rate;
pll_con0 = __raw_readl(pll->con_reg);
@@ -119,7 +120,7 @@ static unsigned long samsung_pll36xx_recalc_rate(struct clk_hw *hw,
mdiv = (pll_con0 >> PLL36XX_MDIV_SHIFT) & PLL36XX_MDIV_MASK;
pdiv = (pll_con0 >> PLL36XX_PDIV_SHIFT) & PLL36XX_PDIV_MASK;
sdiv = (pll_con0 >> PLL36XX_SDIV_SHIFT) & PLL36XX_SDIV_MASK;
- kdiv = pll_con1 & PLL36XX_KDIV_MASK;
+ kdiv = (s16)(pll_con1 & PLL36XX_KDIV_MASK);
fvco *= (mdiv << 16) + kdiv;
do_div(fvco, (pdiv << sdiv));
diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h
index e4ad6ea9aa76..2f7dba20ced8 100644
--- a/drivers/clk/samsung/clk.h
+++ b/drivers/clk/samsung/clk.h
@@ -144,6 +144,9 @@ struct samsung_mux_clock {
#define MUX_F(_id, cname, pnames, o, s, w, f, mf) \
__MUX(_id, NULL, cname, pnames, o, s, w, f, mf, NULL)
+#define MUX_FA(_id, cname, pnames, o, s, w, f, mf, a) \
+ __MUX(_id, NULL, cname, pnames, o, s, w, f, mf, a)
+
/**
* @id: platform specific id of the clock.
* struct samsung_div_clock: information about div clock
diff --git a/drivers/clk/socfpga/clk.c b/drivers/clk/socfpga/clk.c
index bd11315cf5ab..5bb848cac6ec 100644
--- a/drivers/clk/socfpga/clk.c
+++ b/drivers/clk/socfpga/clk.c
@@ -24,15 +24,17 @@
#include <linux/of.h>
/* Clock Manager offsets */
-#define CLKMGR_CTRL 0x0
-#define CLKMGR_BYPASS 0x4
+#define CLKMGR_CTRL 0x0
+#define CLKMGR_BYPASS 0x4
+#define CLKMGR_L4SRC 0x70
+#define CLKMGR_PERPLL_SRC 0xAC
/* Clock bypass bits */
-#define MAINPLL_BYPASS (1<<0)
-#define SDRAMPLL_BYPASS (1<<1)
-#define SDRAMPLL_SRC_BYPASS (1<<2)
-#define PERPLL_BYPASS (1<<3)
-#define PERPLL_SRC_BYPASS (1<<4)
+#define MAINPLL_BYPASS (1<<0)
+#define SDRAMPLL_BYPASS (1<<1)
+#define SDRAMPLL_SRC_BYPASS (1<<2)
+#define PERPLL_BYPASS (1<<3)
+#define PERPLL_SRC_BYPASS (1<<4)
#define SOCFPGA_PLL_BG_PWRDWN 0
#define SOCFPGA_PLL_EXT_ENA 1
@@ -41,6 +43,17 @@
#define SOCFPGA_PLL_DIVF_SHIFT 3
#define SOCFPGA_PLL_DIVQ_MASK 0x003F0000
#define SOCFPGA_PLL_DIVQ_SHIFT 16
+#define SOCFGPA_MAX_PARENTS 3
+
+#define SOCFPGA_L4_MP_CLK "l4_mp_clk"
+#define SOCFPGA_L4_SP_CLK "l4_sp_clk"
+#define SOCFPGA_NAND_CLK "nand_clk"
+#define SOCFPGA_NAND_X_CLK "nand_x_clk"
+#define SOCFPGA_MMC_CLK "mmc_clk"
+#define SOCFPGA_DB_CLK "gpio_db_clk"
+
+#define div_mask(width) ((1 << (width)) - 1)
+#define streq(a, b) (strcmp((a), (b)) == 0)
extern void __iomem *clk_mgr_base_addr;
@@ -49,6 +62,9 @@ struct socfpga_clk {
char *parent_name;
char *clk_name;
u32 fixed_div;
+ void __iomem *div_reg;
+ u32 width; /* only valid if div_reg != 0 */
+ u32 shift; /* only valid if div_reg != 0 */
};
#define to_socfpga_clk(p) container_of(p, struct socfpga_clk, hw.hw)
@@ -132,8 +148,9 @@ static __init struct clk *socfpga_clk_init(struct device_node *node,
socfpga_clk->hw.hw.init = &init;
- if (strcmp(clk_name, "main_pll") || strcmp(clk_name, "periph_pll") ||
- strcmp(clk_name, "sdram_pll")) {
+ if (streq(clk_name, "main_pll") ||
+ streq(clk_name, "periph_pll") ||
+ streq(clk_name, "sdram_pll")) {
socfpga_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA;
clk_pll_ops.enable = clk_gate_ops.enable;
clk_pll_ops.disable = clk_gate_ops.disable;
@@ -148,6 +165,159 @@ static __init struct clk *socfpga_clk_init(struct device_node *node,
return clk;
}
+static u8 socfpga_clk_get_parent(struct clk_hw *hwclk)
+{
+ u32 l4_src;
+ u32 perpll_src;
+
+ if (streq(hwclk->init->name, SOCFPGA_L4_MP_CLK)) {
+ l4_src = readl(clk_mgr_base_addr + CLKMGR_L4SRC);
+ return l4_src &= 0x1;
+ }
+ if (streq(hwclk->init->name, SOCFPGA_L4_SP_CLK)) {
+ l4_src = readl(clk_mgr_base_addr + CLKMGR_L4SRC);
+ return !!(l4_src & 2);
+ }
+
+ perpll_src = readl(clk_mgr_base_addr + CLKMGR_PERPLL_SRC);
+ if (streq(hwclk->init->name, SOCFPGA_MMC_CLK))
+ return perpll_src &= 0x3;
+ if (streq(hwclk->init->name, SOCFPGA_NAND_CLK) ||
+ streq(hwclk->init->name, SOCFPGA_NAND_X_CLK))
+ return (perpll_src >> 2) & 3;
+
+ /* QSPI clock */
+ return (perpll_src >> 4) & 3;
+
+}
+
+static int socfpga_clk_set_parent(struct clk_hw *hwclk, u8 parent)
+{
+ u32 src_reg;
+
+ if (streq(hwclk->init->name, SOCFPGA_L4_MP_CLK)) {
+ src_reg = readl(clk_mgr_base_addr + CLKMGR_L4SRC);
+ src_reg &= ~0x1;
+ src_reg |= parent;
+ writel(src_reg, clk_mgr_base_addr + CLKMGR_L4SRC);
+ } else if (streq(hwclk->init->name, SOCFPGA_L4_SP_CLK)) {
+ src_reg = readl(clk_mgr_base_addr + CLKMGR_L4SRC);
+ src_reg &= ~0x2;
+ src_reg |= (parent << 1);
+ writel(src_reg, clk_mgr_base_addr + CLKMGR_L4SRC);
+ } else {
+ src_reg = readl(clk_mgr_base_addr + CLKMGR_PERPLL_SRC);
+ if (streq(hwclk->init->name, SOCFPGA_MMC_CLK)) {
+ src_reg &= ~0x3;
+ src_reg |= parent;
+ } else if (streq(hwclk->init->name, SOCFPGA_NAND_CLK) ||
+ streq(hwclk->init->name, SOCFPGA_NAND_X_CLK)) {
+ src_reg &= ~0xC;
+ src_reg |= (parent << 2);
+ } else {/* QSPI clock */
+ src_reg &= ~0x30;
+ src_reg |= (parent << 4);
+ }
+ writel(src_reg, clk_mgr_base_addr + CLKMGR_PERPLL_SRC);
+ }
+
+ return 0;
+}
+
+static unsigned long socfpga_clk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_clk *socfpgaclk = to_socfpga_clk(hwclk);
+ u32 div = 1, val;
+
+ if (socfpgaclk->fixed_div)
+ div = socfpgaclk->fixed_div;
+ else if (socfpgaclk->div_reg) {
+ val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
+ val &= div_mask(socfpgaclk->width);
+ if (streq(hwclk->init->name, SOCFPGA_DB_CLK))
+ div = val + 1;
+ else
+ div = (1 << val);
+ }
+
+ return parent_rate / div;
+}
+
+static struct clk_ops gateclk_ops = {
+ .recalc_rate = socfpga_clk_recalc_rate,
+ .get_parent = socfpga_clk_get_parent,
+ .set_parent = socfpga_clk_set_parent,
+};
+
+static void __init socfpga_gate_clk_init(struct device_node *node,
+ const struct clk_ops *ops)
+{
+ u32 clk_gate[2];
+ u32 div_reg[3];
+ u32 fixed_div;
+ struct clk *clk;
+ struct socfpga_clk *socfpga_clk;
+ const char *clk_name = node->name;
+ const char *parent_name[SOCFGPA_MAX_PARENTS];
+ struct clk_init_data init;
+ int rc;
+ int i = 0;
+
+ socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
+ if (WARN_ON(!socfpga_clk))
+ return;
+
+ rc = of_property_read_u32_array(node, "clk-gate", clk_gate, 2);
+ if (rc)
+ clk_gate[0] = 0;
+
+ if (clk_gate[0]) {
+ socfpga_clk->hw.reg = clk_mgr_base_addr + clk_gate[0];
+ socfpga_clk->hw.bit_idx = clk_gate[1];
+
+ gateclk_ops.enable = clk_gate_ops.enable;
+ gateclk_ops.disable = clk_gate_ops.disable;
+ }
+
+ rc = of_property_read_u32(node, "fixed-divider", &fixed_div);
+ if (rc)
+ socfpga_clk->fixed_div = 0;
+ else
+ socfpga_clk->fixed_div = fixed_div;
+
+ rc = of_property_read_u32_array(node, "div-reg", div_reg, 3);
+ if (!rc) {
+ socfpga_clk->div_reg = clk_mgr_base_addr + div_reg[0];
+ socfpga_clk->shift = div_reg[1];
+ socfpga_clk->width = div_reg[2];
+ } else {
+ socfpga_clk->div_reg = 0;
+ }
+
+ of_property_read_string(node, "clock-output-names", &clk_name);
+
+ init.name = clk_name;
+ init.ops = ops;
+ init.flags = 0;
+ while (i < SOCFGPA_MAX_PARENTS && (parent_name[i] =
+ of_clk_get_parent_name(node, i)) != NULL)
+ i++;
+
+ init.parent_names = parent_name;
+ init.num_parents = i;
+ socfpga_clk->hw.hw.init = &init;
+
+ clk = clk_register(NULL, &socfpga_clk->hw.hw);
+ if (WARN_ON(IS_ERR(clk))) {
+ kfree(socfpga_clk);
+ return;
+ }
+ rc = of_clk_add_provider(node, of_clk_src_simple_get, clk);
+ if (WARN_ON(rc))
+ return;
+}
+
static void __init socfpga_pll_init(struct device_node *node)
{
socfpga_clk_init(node, &clk_pll_ops);
@@ -160,6 +330,12 @@ static void __init socfpga_periph_init(struct device_node *node)
}
CLK_OF_DECLARE(socfpga_periph, "altr,socfpga-perip-clk", socfpga_periph_init);
+static void __init socfpga_gate_init(struct device_node *node)
+{
+ socfpga_gate_clk_init(node, &gateclk_ops);
+}
+CLK_OF_DECLARE(socfpga_gate, "altr,socfpga-gate-clk", socfpga_gate_init);
+
void __init socfpga_init_clocks(void)
{
struct clk *clk;
diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c
index f9ec43fd1320..080c3c5e33f6 100644
--- a/drivers/clk/spear/spear3xx_clock.c
+++ b/drivers/clk/spear/spear3xx_clock.c
@@ -369,7 +369,7 @@ static void __init spear320_clk_init(void __iomem *soc_config_base)
clk_register_clkdev(clk, NULL, "60100000.serial");
}
#else
-static inline void spear320_clk_init(void) { }
+static inline void spear320_clk_init(void __iomem *soc_config_base) { }
#endif
void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base)
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 8492ad1d5360..412912bbba53 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -239,7 +239,7 @@ struct mux_data {
u8 shift;
};
-static const __initconst struct mux_data cpu_data = {
+static const __initconst struct mux_data cpu_mux_data = {
.shift = 16,
};
@@ -333,22 +333,34 @@ struct gates_data {
DECLARE_BITMAP(mask, SUNXI_GATES_MAX_SIZE);
};
-static const __initconst struct gates_data axi_gates_data = {
+static const __initconst struct gates_data sun4i_axi_gates_data = {
.mask = {1},
};
-static const __initconst struct gates_data ahb_gates_data = {
+static const __initconst struct gates_data sun4i_ahb_gates_data = {
.mask = {0x7F77FFF, 0x14FB3F},
};
-static const __initconst struct gates_data apb0_gates_data = {
+static const __initconst struct gates_data sun5i_a13_ahb_gates_data = {
+ .mask = {0x107067e7, 0x185111},
+};
+
+static const __initconst struct gates_data sun4i_apb0_gates_data = {
.mask = {0x4EF},
};
-static const __initconst struct gates_data apb1_gates_data = {
+static const __initconst struct gates_data sun5i_a13_apb0_gates_data = {
+ .mask = {0x61},
+};
+
+static const __initconst struct gates_data sun4i_apb1_gates_data = {
.mask = {0xFF00F7},
};
+static const __initconst struct gates_data sun5i_a13_apb1_gates_data = {
+ .mask = {0xa0007},
+};
+
static void __init sunxi_gates_clk_setup(struct device_node *node,
struct gates_data *data)
{
@@ -421,17 +433,20 @@ static const __initconst struct of_device_id clk_div_match[] = {
/* Matches for mux clocks */
static const __initconst struct of_device_id clk_mux_match[] = {
- {.compatible = "allwinner,sun4i-cpu-clk", .data = &cpu_data,},
+ {.compatible = "allwinner,sun4i-cpu-clk", .data = &cpu_mux_data,},
{.compatible = "allwinner,sun4i-apb1-mux-clk", .data = &apb1_mux_data,},
{}
};
/* Matches for gate clocks */
static const __initconst struct of_device_id clk_gates_match[] = {
- {.compatible = "allwinner,sun4i-axi-gates-clk", .data = &axi_gates_data,},
- {.compatible = "allwinner,sun4i-ahb-gates-clk", .data = &ahb_gates_data,},
- {.compatible = "allwinner,sun4i-apb0-gates-clk", .data = &apb0_gates_data,},
- {.compatible = "allwinner,sun4i-apb1-gates-clk", .data = &apb1_gates_data,},
+ {.compatible = "allwinner,sun4i-axi-gates-clk", .data = &sun4i_axi_gates_data,},
+ {.compatible = "allwinner,sun4i-ahb-gates-clk", .data = &sun4i_ahb_gates_data,},
+ {.compatible = "allwinner,sun5i-a13-ahb-gates-clk", .data = &sun5i_a13_ahb_gates_data,},
+ {.compatible = "allwinner,sun4i-apb0-gates-clk", .data = &sun4i_apb0_gates_data,},
+ {.compatible = "allwinner,sun5i-a13-apb0-gates-clk", .data = &sun5i_a13_apb0_gates_data,},
+ {.compatible = "allwinner,sun4i-apb1-gates-clk", .data = &sun4i_apb1_gates_data,},
+ {.compatible = "allwinner,sun5i-a13-apb1-gates-clk", .data = &sun5i_a13_apb1_gates_data,},
{}
};
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 17c2cc086eb4..197074a57754 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -117,10 +117,6 @@
#define PLLCX_MISC2_DEFAULT 0x30211200
#define PLLCX_MISC3_DEFAULT 0x200
-#define PMC_PLLM_WB0_OVERRIDE 0x1dc
-#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
-#define PMC_PLLM_WB0_OVERRIDE_2_DIVP_MASK BIT(27)
-
#define PMC_SATA_PWRGT 0x1ac
#define PMC_SATA_PWRGT_PLLE_IDDQ_VALUE BIT(5)
#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL BIT(4)
@@ -128,38 +124,31 @@
#define pll_readl(offset, p) readl_relaxed(p->clk_base + offset)
#define pll_readl_base(p) pll_readl(p->params->base_reg, p)
#define pll_readl_misc(p) pll_readl(p->params->misc_reg, p)
+#define pll_override_readl(offset, p) readl_relaxed(p->pmc + offset)
#define pll_writel(val, offset, p) writel_relaxed(val, p->clk_base + offset)
#define pll_writel_base(val, p) pll_writel(val, p->params->base_reg, p)
#define pll_writel_misc(val, p) pll_writel(val, p->params->misc_reg, p)
+#define pll_override_writel(val, offset, p) writel(val, p->pmc + offset)
#define mask(w) ((1 << (w)) - 1)
-#define divm_mask(p) mask(p->divm_width)
-#define divn_mask(p) mask(p->divn_width)
+#define divm_mask(p) mask(p->params->div_nmp->divm_width)
+#define divn_mask(p) mask(p->params->div_nmp->divn_width)
#define divp_mask(p) (p->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK : \
- mask(p->divp_width))
+ mask(p->params->div_nmp->divp_width))
#define divm_max(p) (divm_mask(p))
#define divn_max(p) (divn_mask(p))
#define divp_max(p) (1 << (divp_mask(p)))
-
-#ifdef CONFIG_ARCH_TEGRA_114_SOC
-/* PLLXC has 4-bit PDIV, but entry 15 is not allowed in h/w */
-#define PLLXC_PDIV_MAX 14
-
-/* non-monotonic mapping below is not a typo */
-static u8 pllxc_p[PLLXC_PDIV_MAX + 1] = {
- /* PDIV: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 */
- /* p: */ 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 12, 16, 20, 24, 32
-};
-
-#define PLLCX_PDIV_MAX 7
-static u8 pllcx_p[PLLCX_PDIV_MAX + 1] = {
- /* PDIV: 0, 1, 2, 3, 4, 5, 6, 7 */
- /* p: */ 1, 2, 3, 4, 6, 8, 12, 16
+static struct div_nmp default_nmp = {
+ .divn_shift = PLL_BASE_DIVN_SHIFT,
+ .divn_width = PLL_BASE_DIVN_WIDTH,
+ .divm_shift = PLL_BASE_DIVM_SHIFT,
+ .divm_width = PLL_BASE_DIVM_WIDTH,
+ .divp_shift = PLL_BASE_DIVP_SHIFT,
+ .divp_width = PLL_BASE_DIVP_WIDTH,
};
-#endif
static void clk_pll_enable_lock(struct tegra_clk_pll *pll)
{
@@ -297,6 +286,39 @@ static void clk_pll_disable(struct clk_hw *hw)
spin_unlock_irqrestore(pll->lock, flags);
}
+static int _p_div_to_hw(struct clk_hw *hw, u8 p_div)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ struct pdiv_map *p_tohw = pll->params->pdiv_tohw;
+
+ if (p_tohw) {
+ while (p_tohw->pdiv) {
+ if (p_div <= p_tohw->pdiv)
+ return p_tohw->hw_val;
+ p_tohw++;
+ }
+ return -EINVAL;
+ }
+ return -EINVAL;
+}
+
+static int _hw_to_p_div(struct clk_hw *hw, u8 p_div_hw)
+{
+ struct tegra_clk_pll *pll = to_clk_pll(hw);
+ struct pdiv_map *p_tohw = pll->params->pdiv_tohw;
+
+ if (p_tohw) {
+ while (p_tohw->pdiv) {
+ if (p_div_hw == p_tohw->hw_val)
+ return p_tohw->pdiv;
+ p_tohw++;
+ }
+ return -EINVAL;
+ }
+
+ return 1 << p_div_hw;
+}
+
static int _get_table_rate(struct clk_hw *hw,
struct tegra_clk_pll_freq_table *cfg,
unsigned long rate, unsigned long parent_rate)
@@ -326,9 +348,9 @@ static int _calc_rate(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
unsigned long rate, unsigned long parent_rate)
{
struct tegra_clk_pll *pll = to_clk_pll(hw);
- struct pdiv_map *p_tohw = pll->params->pdiv_tohw;
unsigned long cfreq;
u32 p_div = 0;
+ int ret;
switch (parent_rate) {
case 12000000:
@@ -369,20 +391,16 @@ static int _calc_rate(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
|| cfg->output_rate > pll->params->vco_max) {
pr_err("%s: Failed to set %s rate %lu\n",
__func__, __clk_get_name(hw->clk), rate);
+ WARN_ON(1);
return -EINVAL;
}
- if (p_tohw) {
- p_div = 1 << p_div;
- while (p_tohw->pdiv) {
- if (p_div <= p_tohw->pdiv) {
- cfg->p = p_tohw->hw_val;
- break;
- }
- p_tohw++;
- }
- if (!p_tohw->pdiv)
- return -EINVAL;
+ if (pll->params->pdiv_tohw) {
+ ret = _p_div_to_hw(hw, 1 << p_div);
+ if (ret < 0)
+ return ret;
+ else
+ cfg->p = ret;
} else
cfg->p = p_div;
@@ -393,29 +411,61 @@ static void _update_pll_mnp(struct tegra_clk_pll *pll,
struct tegra_clk_pll_freq_table *cfg)
{
u32 val;
+ struct tegra_clk_pll_params *params = pll->params;
+ struct div_nmp *div_nmp = params->div_nmp;
+
+ if ((pll->flags & TEGRA_PLLM) &&
+ (pll_override_readl(PMC_PLLP_WB0_OVERRIDE, pll) &
+ PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)) {
+ val = pll_override_readl(params->pmc_divp_reg, pll);
+ val &= ~(divp_mask(pll) << div_nmp->override_divp_shift);
+ val |= cfg->p << div_nmp->override_divp_shift;
+ pll_override_writel(val, params->pmc_divp_reg, pll);
+
+ val = pll_override_readl(params->pmc_divnm_reg, pll);
+ val &= ~(divm_mask(pll) << div_nmp->override_divm_shift) |
+ ~(divn_mask(pll) << div_nmp->override_divn_shift);
+ val |= (cfg->m << div_nmp->override_divm_shift) |
+ (cfg->n << div_nmp->override_divn_shift);
+ pll_override_writel(val, params->pmc_divnm_reg, pll);
+ } else {
+ val = pll_readl_base(pll);
- val = pll_readl_base(pll);
+ val &= ~((divm_mask(pll) << div_nmp->divm_shift) |
+ (divn_mask(pll) << div_nmp->divn_shift) |
+ (divp_mask(pll) << div_nmp->divp_shift));
- val &= ~((divm_mask(pll) << pll->divm_shift) |
- (divn_mask(pll) << pll->divn_shift) |
- (divp_mask(pll) << pll->divp_shift));
- val |= ((cfg->m << pll->divm_shift) |
- (cfg->n << pll->divn_shift) |
- (cfg->p << pll->divp_shift));
+ val |= ((cfg->m << div_nmp->divm_shift) |
+ (cfg->n << div_nmp->divn_shift) |
+ (cfg->p << div_nmp->divp_shift));
- pll_writel_base(val, pll);
+ pll_writel_base(val, pll);
+ }
}
static void _get_pll_mnp(struct tegra_clk_pll *pll,
struct tegra_clk_pll_freq_table *cfg)
{
u32 val;
+ struct tegra_clk_pll_params *params = pll->params;
+ struct div_nmp *div_nmp = params->div_nmp;
+
+ if ((pll->flags & TEGRA_PLLM) &&
+ (pll_override_readl(PMC_PLLP_WB0_OVERRIDE, pll) &
+ PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)) {
+ val = pll_override_readl(params->pmc_divp_reg, pll);
+ cfg->p = (val >> div_nmp->override_divp_shift) & divp_mask(pll);
+
+ val = pll_override_readl(params->pmc_divnm_reg, pll);
+ cfg->m = (val >> div_nmp->override_divm_shift) & divm_mask(pll);
+ cfg->n = (val >> div_nmp->override_divn_shift) & divn_mask(pll);
+ } else {
+ val = pll_readl_base(pll);
- val = pll_readl_base(pll);
-
- cfg->m = (val >> pll->divm_shift) & (divm_mask(pll));
- cfg->n = (val >> pll->divn_shift) & (divn_mask(pll));
- cfg->p = (val >> pll->divp_shift) & (divp_mask(pll));
+ cfg->m = (val >> div_nmp->divm_shift) & divm_mask(pll);
+ cfg->n = (val >> div_nmp->divn_shift) & divn_mask(pll);
+ cfg->p = (val >> div_nmp->divp_shift) & divp_mask(pll);
+ }
}
static void _update_pll_cpcon(struct tegra_clk_pll *pll,
@@ -485,9 +535,10 @@ static int clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
}
if (_get_table_rate(hw, &cfg, rate, parent_rate) &&
- _calc_rate(hw, &cfg, rate, parent_rate))
+ _calc_rate(hw, &cfg, rate, parent_rate)) {
+ WARN_ON(1);
return -EINVAL;
-
+ }
if (pll->lock)
spin_lock_irqsave(pll->lock, flags);
@@ -507,7 +558,6 @@ static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
{
struct tegra_clk_pll *pll = to_clk_pll(hw);
struct tegra_clk_pll_freq_table cfg;
- u64 output_rate = *prate;
if (pll->flags & TEGRA_PLL_FIXED)
return pll->fixed_rate;
@@ -517,13 +567,12 @@ static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
return __clk_get_rate(hw->clk);
if (_get_table_rate(hw, &cfg, rate, *prate) &&
- _calc_rate(hw, &cfg, rate, *prate))
+ _calc_rate(hw, &cfg, rate, *prate)) {
+ WARN_ON(1);
return -EINVAL;
+ }
- output_rate *= cfg.n;
- do_div(output_rate, cfg.m * (1 << cfg.p));
-
- return output_rate;
+ return cfg.output_rate;
}
static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
@@ -531,7 +580,6 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
{
struct tegra_clk_pll *pll = to_clk_pll(hw);
struct tegra_clk_pll_freq_table cfg;
- struct pdiv_map *p_tohw = pll->params->pdiv_tohw;
u32 val;
u64 rate = parent_rate;
int pdiv;
@@ -553,21 +601,11 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
_get_pll_mnp(pll, &cfg);
- if (p_tohw) {
- while (p_tohw->pdiv) {
- if (cfg.p == p_tohw->hw_val) {
- pdiv = p_tohw->pdiv;
- break;
- }
- p_tohw++;
- }
-
- if (!p_tohw->pdiv) {
- WARN_ON(1);
- pdiv = 1;
- }
- } else
- pdiv = 1 << cfg.p;
+ pdiv = _hw_to_p_div(hw, cfg.p);
+ if (pdiv < 0) {
+ WARN_ON(1);
+ pdiv = 1;
+ }
cfg.m *= pdiv;
@@ -647,9 +685,9 @@ static int clk_plle_enable(struct clk_hw *hw)
val = pll_readl_base(pll);
val &= ~(divm_mask(pll) | divn_mask(pll) | divp_mask(pll));
val &= ~(PLLE_BASE_DIVCML_WIDTH << PLLE_BASE_DIVCML_SHIFT);
- val |= sel.m << pll->divm_shift;
- val |= sel.n << pll->divn_shift;
- val |= sel.p << pll->divp_shift;
+ val |= sel.m << pll->params->div_nmp->divm_shift;
+ val |= sel.n << pll->params->div_nmp->divn_shift;
+ val |= sel.p << pll->params->div_nmp->divp_shift;
val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
pll_writel_base(val, pll);
}
@@ -680,9 +718,9 @@ static unsigned long clk_plle_recalc_rate(struct clk_hw *hw,
u32 divn = 0, divm = 0, divp = 0;
u64 rate = parent_rate;
- divp = (val >> pll->divp_shift) & (divp_mask(pll));
- divn = (val >> pll->divn_shift) & (divn_mask(pll));
- divm = (val >> pll->divm_shift) & (divm_mask(pll));
+ divp = (val >> pll->params->div_nmp->divp_shift) & (divp_mask(pll));
+ divn = (val >> pll->params->div_nmp->divn_shift) & (divn_mask(pll));
+ divm = (val >> pll->params->div_nmp->divm_shift) & (divm_mask(pll));
divm *= divp;
rate *= divn;
@@ -769,16 +807,22 @@ static int _calc_dynamic_ramp_rate(struct clk_hw *hw,
{
struct tegra_clk_pll *pll = to_clk_pll(hw);
unsigned int p;
+ int p_div;
if (!rate)
return -EINVAL;
p = DIV_ROUND_UP(pll->params->vco_min, rate);
cfg->m = _pll_fixed_mdiv(pll->params, parent_rate);
- cfg->p = p;
- cfg->output_rate = rate * cfg->p;
+ cfg->output_rate = rate * p;
cfg->n = cfg->output_rate * cfg->m / parent_rate;
+ p_div = _p_div_to_hw(hw, p);
+ if (p_div < 0)
+ return p_div;
+ else
+ cfg->p = p_div;
+
if (cfg->n > divn_max(pll) || cfg->output_rate > pll->params->vco_max)
return -EINVAL;
@@ -790,18 +834,25 @@ static int _pll_ramp_calc_pll(struct clk_hw *hw,
unsigned long rate, unsigned long parent_rate)
{
struct tegra_clk_pll *pll = to_clk_pll(hw);
- int err = 0;
+ int err = 0, p_div;
err = _get_table_rate(hw, cfg, rate, parent_rate);
if (err < 0)
err = _calc_dynamic_ramp_rate(hw, cfg, rate, parent_rate);
- else if (cfg->m != _pll_fixed_mdiv(pll->params, parent_rate)) {
+ else {
+ if (cfg->m != _pll_fixed_mdiv(pll->params, parent_rate)) {
WARN_ON(1);
err = -EINVAL;
goto out;
+ }
+ p_div = _p_div_to_hw(hw, cfg->p);
+ if (p_div < 0)
+ return p_div;
+ else
+ cfg->p = p_div;
}
- if (!cfg->p || (cfg->p > pll->params->max_p))
+ if (cfg->p > pll->params->max_p)
err = -EINVAL;
out:
@@ -815,7 +866,6 @@ static int clk_pllxc_set_rate(struct clk_hw *hw, unsigned long rate,
struct tegra_clk_pll_freq_table cfg, old_cfg;
unsigned long flags = 0;
int ret = 0;
- u8 old_p;
ret = _pll_ramp_calc_pll(hw, &cfg, rate, parent_rate);
if (ret < 0)
@@ -826,11 +876,8 @@ static int clk_pllxc_set_rate(struct clk_hw *hw, unsigned long rate,
_get_pll_mnp(pll, &old_cfg);
- old_p = pllxc_p[old_cfg.p];
- if (old_cfg.m != cfg.m || old_cfg.n != cfg.n || old_p != cfg.p) {
- cfg.p -= 1;
+ if (old_cfg.m != cfg.m || old_cfg.n != cfg.n || old_cfg.p != cfg.p)
ret = _program_pll(hw, &cfg, rate);
- }
if (pll->lock)
spin_unlock_irqrestore(pll->lock, flags);
@@ -842,15 +889,19 @@ static long clk_pll_ramp_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *prate)
{
struct tegra_clk_pll_freq_table cfg;
- int ret = 0;
+ int ret = 0, p_div;
u64 output_rate = *prate;
ret = _pll_ramp_calc_pll(hw, &cfg, rate, *prate);
if (ret < 0)
return ret;
+ p_div = _hw_to_p_div(hw, cfg.p);
+ if (p_div < 0)
+ return p_div;
+
output_rate *= cfg.n;
- do_div(output_rate, cfg.m * cfg.p);
+ do_div(output_rate, cfg.m * p_div);
return output_rate;
}
@@ -862,7 +913,6 @@ static int clk_pllm_set_rate(struct clk_hw *hw, unsigned long rate,
struct tegra_clk_pll *pll = to_clk_pll(hw);
unsigned long flags = 0;
int state, ret = 0;
- u32 val;
if (pll->lock)
spin_lock_irqsave(pll->lock, flags);
@@ -881,22 +931,7 @@ static int clk_pllm_set_rate(struct clk_hw *hw, unsigned long rate,
if (ret < 0)
goto out;
- cfg.p -= 1;
-
- val = readl_relaxed(pll->pmc + PMC_PLLM_WB0_OVERRIDE);
- if (val & PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE) {
- val = readl_relaxed(pll->pmc + PMC_PLLM_WB0_OVERRIDE_2);
- val = cfg.p ? (val | PMC_PLLM_WB0_OVERRIDE_2_DIVP_MASK) :
- (val & ~PMC_PLLM_WB0_OVERRIDE_2_DIVP_MASK);
- writel_relaxed(val, pll->pmc + PMC_PLLM_WB0_OVERRIDE_2);
-
- val = readl_relaxed(pll->pmc + PMC_PLLM_WB0_OVERRIDE);
- val &= ~(divn_mask(pll) | divm_mask(pll));
- val |= (cfg.m << pll->divm_shift) | (cfg.n << pll->divn_shift);
- writel_relaxed(val, pll->pmc + PMC_PLLM_WB0_OVERRIDE);
- } else
- _update_pll_mnp(pll, &cfg);
-
+ _update_pll_mnp(pll, &cfg);
out:
if (pll->lock)
@@ -1010,13 +1045,10 @@ static int _pllcx_update_dynamic_coef(struct tegra_clk_pll *pll,
static int clk_pllc_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- struct tegra_clk_pll_freq_table cfg;
+ struct tegra_clk_pll_freq_table cfg, old_cfg;
struct tegra_clk_pll *pll = to_clk_pll(hw);
unsigned long flags = 0;
int state, ret = 0;
- u32 val;
- u16 old_m, old_n;
- u8 old_p;
if (pll->lock)
spin_lock_irqsave(pll->lock, flags);
@@ -1025,21 +1057,16 @@ static int clk_pllc_set_rate(struct clk_hw *hw, unsigned long rate,
if (ret < 0)
goto out;
- val = pll_readl_base(pll);
- old_m = (val >> pll->divm_shift) & (divm_mask(pll));
- old_n = (val >> pll->divn_shift) & (divn_mask(pll));
- old_p = pllcx_p[(val >> pll->divp_shift) & (divp_mask(pll))];
+ _get_pll_mnp(pll, &old_cfg);
- if (cfg.m != old_m) {
+ if (cfg.m != old_cfg.m) {
WARN_ON(1);
goto out;
}
- if (old_n == cfg.n && old_p == cfg.p)
+ if (old_cfg.n == cfg.n && old_cfg.p == cfg.p)
goto out;
- cfg.p -= 1;
-
state = clk_pll_is_enabled(hw);
if (state)
_clk_pllc_disable(hw);
@@ -1178,8 +1205,8 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw)
val = pll_readl_base(pll);
val &= ~(divm_mask(pll) | divn_mask(pll) | divp_mask(pll));
val &= ~(PLLE_BASE_DIVCML_WIDTH << PLLE_BASE_DIVCML_SHIFT);
- val |= sel.m << pll->divm_shift;
- val |= sel.n << pll->divn_shift;
+ val |= sel.m << pll->params->div_nmp->divm_shift;
+ val |= sel.n << pll->params->div_nmp->divn_shift;
val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
pll_writel_base(val, pll);
udelay(1);
@@ -1240,12 +1267,8 @@ static struct tegra_clk_pll *_tegra_init_pll(void __iomem *clk_base,
pll->flags = pll_flags;
pll->lock = lock;
- pll->divp_shift = PLL_BASE_DIVP_SHIFT;
- pll->divp_width = PLL_BASE_DIVP_WIDTH;
- pll->divn_shift = PLL_BASE_DIVN_SHIFT;
- pll->divn_width = PLL_BASE_DIVN_WIDTH;
- pll->divm_shift = PLL_BASE_DIVM_SHIFT;
- pll->divm_width = PLL_BASE_DIVM_WIDTH;
+ if (!pll_params->div_nmp)
+ pll_params->div_nmp = &default_nmp;
return pll;
}
@@ -1401,7 +1424,7 @@ struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
struct tegra_clk_pll *pll;
struct clk *clk;
- pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
+ pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_LOCK_MISC;
pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
freq_table, lock);
if (IS_ERR(pll))
@@ -1428,7 +1451,6 @@ struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
val &= ~BIT(29);
pll_writel_misc(val, pll);
- pll_flags |= TEGRA_PLL_LOCK_MISC;
clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
&tegra_clk_pllre_ops);
if (IS_ERR(clk))
@@ -1453,6 +1475,7 @@ struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name,
pll_flags |= TEGRA_PLL_BYPASS;
pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
+ pll_flags |= TEGRA_PLLM;
pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
freq_table, lock);
if (IS_ERR(pll))
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index d78e16ee161c..b6015cb4fc01 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -21,6 +21,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/delay.h>
+#include <linux/export.h>
#include <linux/clk/tegra.h>
#include "clk.h"
@@ -28,6 +29,7 @@
#define RST_DEVICES_L 0x004
#define RST_DEVICES_H 0x008
#define RST_DEVICES_U 0x00C
+#define RST_DFLL_DVCO 0x2F4
#define RST_DEVICES_V 0x358
#define RST_DEVICES_W 0x35C
#define RST_DEVICES_X 0x28C
@@ -41,8 +43,36 @@
#define RST_DEVICES_CLR_V 0x434
#define RST_DEVICES_SET_W 0x438
#define RST_DEVICES_CLR_W 0x43c
+#define CPU_FINETRIM_SELECT 0x4d4 /* override default prop dlys */
+#define CPU_FINETRIM_DR 0x4d8 /* rise->rise prop dly A */
+#define CPU_FINETRIM_R 0x4e4 /* rise->rise prop dly inc A */
#define RST_DEVICES_NUM 5
+/* RST_DFLL_DVCO bitfields */
+#define DVFS_DFLL_RESET_SHIFT 0
+
+/* CPU_FINETRIM_SELECT and CPU_FINETRIM_DR bitfields */
+#define CPU_FINETRIM_1_FCPU_1 BIT(0) /* fcpu0 */
+#define CPU_FINETRIM_1_FCPU_2 BIT(1) /* fcpu1 */
+#define CPU_FINETRIM_1_FCPU_3 BIT(2) /* fcpu2 */
+#define CPU_FINETRIM_1_FCPU_4 BIT(3) /* fcpu3 */
+#define CPU_FINETRIM_1_FCPU_5 BIT(4) /* fl2 */
+#define CPU_FINETRIM_1_FCPU_6 BIT(5) /* ftop */
+
+/* CPU_FINETRIM_R bitfields */
+#define CPU_FINETRIM_R_FCPU_1_SHIFT 0 /* fcpu0 */
+#define CPU_FINETRIM_R_FCPU_1_MASK (0x3 << CPU_FINETRIM_R_FCPU_1_SHIFT)
+#define CPU_FINETRIM_R_FCPU_2_SHIFT 2 /* fcpu1 */
+#define CPU_FINETRIM_R_FCPU_2_MASK (0x3 << CPU_FINETRIM_R_FCPU_2_SHIFT)
+#define CPU_FINETRIM_R_FCPU_3_SHIFT 4 /* fcpu2 */
+#define CPU_FINETRIM_R_FCPU_3_MASK (0x3 << CPU_FINETRIM_R_FCPU_3_SHIFT)
+#define CPU_FINETRIM_R_FCPU_4_SHIFT 6 /* fcpu3 */
+#define CPU_FINETRIM_R_FCPU_4_MASK (0x3 << CPU_FINETRIM_R_FCPU_4_SHIFT)
+#define CPU_FINETRIM_R_FCPU_5_SHIFT 8 /* fl2 */
+#define CPU_FINETRIM_R_FCPU_5_MASK (0x3 << CPU_FINETRIM_R_FCPU_5_SHIFT)
+#define CPU_FINETRIM_R_FCPU_6_SHIFT 10 /* ftop */
+#define CPU_FINETRIM_R_FCPU_6_MASK (0x3 << CPU_FINETRIM_R_FCPU_6_SHIFT)
+
#define CLK_OUT_ENB_L 0x010
#define CLK_OUT_ENB_H 0x014
#define CLK_OUT_ENB_U 0x018
@@ -127,6 +157,7 @@
#define PMC_DPD_PADS_ORIDE_BLINK_ENB 20
#define PMC_CTRL 0
#define PMC_CTRL_BLINK_ENB 7
+#define PMC_BLINK_TIMER 0x40
#define OSC_CTRL 0x50
#define OSC_CTRL_OSC_FREQ_SHIFT 28
@@ -242,6 +273,8 @@
#define CLK_SOURCE_I2CSLOW 0x3fc
#define CLK_SOURCE_SE 0x42c
#define CLK_SOURCE_MSELECT 0x3b4
+#define CLK_SOURCE_DFLL_REF 0x62c
+#define CLK_SOURCE_DFLL_SOC 0x630
#define CLK_SOURCE_SOC_THERM 0x644
#define CLK_SOURCE_XUSB_HOST_SRC 0x600
#define CLK_SOURCE_XUSB_FALCON_SRC 0x604
@@ -250,6 +283,13 @@
#define CLK_SOURCE_XUSB_DEV_SRC 0x60c
#define CLK_SOURCE_EMC 0x19c
+/* PLLM override registers */
+#define PMC_PLLM_WB0_OVERRIDE 0x1dc
+#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
+
+/* Tegra CPU clock and reset control regs */
+#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
+
static int periph_clk_enb_refcnt[CLK_OUT_ENB_NUM * 32];
static void __iomem *clk_base;
@@ -264,6 +304,15 @@ static DEFINE_SPINLOCK(clk_doubler_lock);
static DEFINE_SPINLOCK(clk_out_lock);
static DEFINE_SPINLOCK(sysrate_lock);
+static struct div_nmp pllxc_nmp = {
+ .divm_shift = 0,
+ .divm_width = 8,
+ .divn_shift = 8,
+ .divn_width = 8,
+ .divp_shift = 20,
+ .divp_width = 4,
+};
+
static struct pdiv_map pllxc_p[] = {
{ .pdiv = 1, .hw_val = 0 },
{ .pdiv = 2, .hw_val = 1 },
@@ -312,6 +361,16 @@ static struct tegra_clk_pll_params pll_c_params = {
.stepa_shift = 17,
.stepb_shift = 9,
.pdiv_tohw = pllxc_p,
+ .div_nmp = &pllxc_nmp,
+};
+
+static struct div_nmp pllcx_nmp = {
+ .divm_shift = 0,
+ .divm_width = 2,
+ .divn_shift = 8,
+ .divn_width = 8,
+ .divp_shift = 20,
+ .divp_width = 3,
};
static struct pdiv_map pllc_p[] = {
@@ -345,6 +404,8 @@ static struct tegra_clk_pll_params pll_c2_params = {
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
.pdiv_tohw = pllc_p,
+ .div_nmp = &pllcx_nmp,
+ .max_p = 7,
.ext_misc_reg[0] = 0x4f0,
.ext_misc_reg[1] = 0x4f4,
.ext_misc_reg[2] = 0x4f8,
@@ -363,11 +424,25 @@ static struct tegra_clk_pll_params pll_c3_params = {
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
.pdiv_tohw = pllc_p,
+ .div_nmp = &pllcx_nmp,
+ .max_p = 7,
.ext_misc_reg[0] = 0x504,
.ext_misc_reg[1] = 0x508,
.ext_misc_reg[2] = 0x50c,
};
+static struct div_nmp pllm_nmp = {
+ .divm_shift = 0,
+ .divm_width = 8,
+ .override_divm_shift = 0,
+ .divn_shift = 8,
+ .divn_width = 8,
+ .override_divn_shift = 8,
+ .divp_shift = 20,
+ .divp_width = 1,
+ .override_divp_shift = 27,
+};
+
static struct pdiv_map pllm_p[] = {
{ .pdiv = 1, .hw_val = 0 },
{ .pdiv = 2, .hw_val = 1 },
@@ -397,6 +472,18 @@ static struct tegra_clk_pll_params pll_m_params = {
.lock_delay = 300,
.max_p = 2,
.pdiv_tohw = pllm_p,
+ .div_nmp = &pllm_nmp,
+ .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
+ .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
+};
+
+static struct div_nmp pllp_nmp = {
+ .divm_shift = 0,
+ .divm_width = 5,
+ .divn_shift = 8,
+ .divn_width = 10,
+ .divp_shift = 20,
+ .divp_width = 3,
};
static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
@@ -420,6 +507,7 @@ static struct tegra_clk_pll_params pll_p_params = {
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
+ .div_nmp = &pllp_nmp,
};
static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
@@ -446,6 +534,7 @@ static struct tegra_clk_pll_params pll_a_params = {
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
+ .div_nmp = &pllp_nmp,
};
static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
@@ -481,6 +570,7 @@ static struct tegra_clk_pll_params pll_d_params = {
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
.lock_delay = 1000,
+ .div_nmp = &pllp_nmp,
};
static struct tegra_clk_pll_params pll_d2_params = {
@@ -495,6 +585,7 @@ static struct tegra_clk_pll_params pll_d2_params = {
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
.lock_delay = 1000,
+ .div_nmp = &pllp_nmp,
};
static struct pdiv_map pllu_p[] = {
@@ -503,6 +594,15 @@ static struct pdiv_map pllu_p[] = {
{ .pdiv = 0, .hw_val = 0 },
};
+static struct div_nmp pllu_nmp = {
+ .divm_shift = 0,
+ .divm_width = 5,
+ .divn_shift = 8,
+ .divn_width = 10,
+ .divp_shift = 20,
+ .divp_width = 1,
+};
+
static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
{12000000, 480000000, 960, 12, 0, 12},
{13000000, 480000000, 960, 13, 0, 12},
@@ -525,6 +625,7 @@ static struct tegra_clk_pll_params pll_u_params = {
.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
.lock_delay = 1000,
.pdiv_tohw = pllu_p,
+ .div_nmp = &pllu_nmp,
};
static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
@@ -557,6 +658,7 @@ static struct tegra_clk_pll_params pll_x_params = {
.stepa_shift = 16,
.stepb_shift = 24,
.pdiv_tohw = pllxc_p,
+ .div_nmp = &pllxc_nmp,
};
static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
@@ -566,6 +668,15 @@ static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
{0, 0, 0, 0, 0, 0},
};
+static struct div_nmp plle_nmp = {
+ .divm_shift = 0,
+ .divm_width = 8,
+ .divn_shift = 8,
+ .divn_width = 8,
+ .divp_shift = 24,
+ .divp_width = 4,
+};
+
static struct tegra_clk_pll_params pll_e_params = {
.input_min = 12000000,
.input_max = 1000000000,
@@ -579,6 +690,16 @@ static struct tegra_clk_pll_params pll_e_params = {
.lock_mask = PLLE_MISC_LOCK,
.lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
.lock_delay = 300,
+ .div_nmp = &plle_nmp,
+};
+
+static struct div_nmp pllre_nmp = {
+ .divm_shift = 0,
+ .divm_width = 8,
+ .divn_shift = 8,
+ .divn_width = 8,
+ .divp_shift = 16,
+ .divp_width = 4,
};
static struct tegra_clk_pll_params pll_re_vco_params = {
@@ -595,6 +716,7 @@ static struct tegra_clk_pll_params pll_re_vco_params = {
.lock_delay = 300,
.iddq_reg = PLLRE_MISC,
.iddq_bit_idx = PLLRE_IDDQ_BIT,
+ .div_nmp = &pllre_nmp,
};
/* Peripheral clock registers */
@@ -762,6 +884,7 @@ enum tegra114_clk {
audio1, audio2, audio3, audio4, spdif, clk_out_1, clk_out_2, clk_out_3,
blink, xusb_host_src = 252, xusb_falcon_src, xusb_fs_src, xusb_ss_src,
xusb_dev_src, xusb_dev, xusb_hs_src, sclk, hclk, pclk, cclk_g, cclk_lp,
+ dfll_ref = 264, dfll_soc,
/* Mux clocks */
@@ -1199,8 +1322,8 @@ static void __init tegra114_pll_init(void __iomem *clk_base,
/* PLLP_OUT2 */
clk = tegra_clk_register_divider("pll_p_out2_div", "pll_p",
clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED |
- TEGRA_DIVIDER_ROUND_UP, 24, 8, 1,
- &pll_div_lock);
+ TEGRA_DIVIDER_ROUND_UP | TEGRA_DIVIDER_INT, 24,
+ 8, 1, &pll_div_lock);
clk = tegra_clk_register_pll_out("pll_p_out2", "pll_p_out2_div",
clk_base + PLLP_OUTA, 17, 16,
CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
@@ -1602,7 +1725,7 @@ static void __init tegra114_pmc_clk_init(void __iomem *pmc_base)
/* clk_out_2 */
clk = clk_register_mux(NULL, "clk_out_2_mux", clk_out2_parents,
- ARRAY_SIZE(clk_out1_parents), 0,
+ ARRAY_SIZE(clk_out2_parents), 0,
pmc_base + PMC_CLK_OUT_CNTRL, 14, 3, 0,
&clk_out_lock);
clks[clk_out_2_mux] = clk;
@@ -1614,7 +1737,7 @@ static void __init tegra114_pmc_clk_init(void __iomem *pmc_base)
/* clk_out_3 */
clk = clk_register_mux(NULL, "clk_out_3_mux", clk_out3_parents,
- ARRAY_SIZE(clk_out1_parents), 0,
+ ARRAY_SIZE(clk_out3_parents), 0,
pmc_base + PMC_CLK_OUT_CNTRL, 22, 3, 0,
&clk_out_lock);
clks[clk_out_3_mux] = clk;
@@ -1625,6 +1748,8 @@ static void __init tegra114_pmc_clk_init(void __iomem *pmc_base)
clks[clk_out_3] = clk;
/* blink */
+ /* clear the blink timer register to directly output clk_32k */
+ writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
pmc_base + PMC_DPD_PADS_ORIDE,
PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);
@@ -1637,7 +1762,7 @@ static void __init tegra114_pmc_clk_init(void __iomem *pmc_base)
}
static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
- "pll_p_out3", "pll_p_out2", "unused",
+ "pll_p", "pll_p_out2", "unused",
"clk_32k", "pll_m_out1" };
static const char *cclk_g_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
@@ -1747,7 +1872,7 @@ static struct tegra_periph_init_data tegra_periph_clk_list[] = {
TEGRA_INIT_DATA_MUX("vi_sensor", "vi_sensor", "tegra_camera", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR, 20, &periph_l_regs, TEGRA_PERIPH_NO_RESET, vi_sensor),
TEGRA_INIT_DATA_INT8("vi", "vi", "tegra_camera", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI, 20, &periph_l_regs, 0, vi),
TEGRA_INIT_DATA_INT8("epp", NULL, "epp", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_EPP, 19, &periph_l_regs, 0, epp),
- TEGRA_INIT_DATA_INT8("msenc", NULL, "msenc", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_MSENC, 91, &periph_h_regs, TEGRA_PERIPH_WAR_1005168, msenc),
+ TEGRA_INIT_DATA_INT8("msenc", NULL, "msenc", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_MSENC, 91, &periph_u_regs, TEGRA_PERIPH_WAR_1005168, msenc),
TEGRA_INIT_DATA_INT8("tsec", NULL, "tsec", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_TSEC, 83, &periph_u_regs, 0, tsec),
TEGRA_INIT_DATA_INT8("host1x", NULL, "host1x", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_HOST1X, 28, &periph_l_regs, 0, host1x),
TEGRA_INIT_DATA_MUX8("hdmi", NULL, "hdmi", mux_pllp_pllm_plld_plla_pllc_plld2_clkm, CLK_SOURCE_HDMI, 51, &periph_h_regs, 0, hdmi),
@@ -1764,6 +1889,8 @@ static struct tegra_periph_init_data tegra_periph_clk_list[] = {
TEGRA_INIT_DATA_MUX("i2cslow", NULL, "i2cslow", mux_pllp_pllc_clk32_clkm, CLK_SOURCE_I2CSLOW, 81, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2cslow),
TEGRA_INIT_DATA_INT8("se", NULL, "se", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SE, 127, &periph_v_regs, TEGRA_PERIPH_ON_APB, se),
TEGRA_INIT_DATA_INT_FLAGS("mselect", NULL, "mselect", mux_pllp_clkm, CLK_SOURCE_MSELECT, 99, &periph_v_regs, 0, mselect, CLK_IGNORE_UNUSED),
+ TEGRA_INIT_DATA_MUX("dfll_ref", "ref", "t114_dfll", mux_pllp_clkm, CLK_SOURCE_DFLL_REF, 155, &periph_w_regs, TEGRA_PERIPH_ON_APB, dfll_ref),
+ TEGRA_INIT_DATA_MUX("dfll_soc", "soc", "t114_dfll", mux_pllp_clkm, CLK_SOURCE_DFLL_SOC, 155, &periph_w_regs, TEGRA_PERIPH_ON_APB, dfll_soc),
TEGRA_INIT_DATA_MUX8("soc_therm", NULL, "soc_therm", mux_pllm_pllc_pllp_plla, CLK_SOURCE_SOC_THERM, 78, &periph_u_regs, TEGRA_PERIPH_ON_APB, soc_therm),
TEGRA_INIT_DATA_XUSB("xusb_host_src", "host_src", "tegra_xhci", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_HOST_SRC, 143, &periph_w_regs, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, xusb_host_src),
TEGRA_INIT_DATA_XUSB("xusb_falcon_src", "falcon_src", "tegra_xhci", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_FALCON_SRC, 143, &periph_w_regs, TEGRA_PERIPH_NO_RESET, xusb_falcon_src),
@@ -2000,13 +2127,35 @@ static __init void tegra114_periph_clk_init(void __iomem *clk_base)
}
}
-static struct tegra_cpu_car_ops tegra114_cpu_car_ops;
+/* Tegra114 CPU clock and reset control functions */
+static void tegra114_wait_cpu_in_reset(u32 cpu)
+{
+ unsigned int reg;
+
+ do {
+ reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
+ cpu_relax();
+ } while (!(reg & (1 << cpu))); /* check CPU been reset or not */
+}
+static void tegra114_disable_cpu_clock(u32 cpu)
+{
+ /* flow controller would take care in the power sequence. */
+}
+
+static struct tegra_cpu_car_ops tegra114_cpu_car_ops = {
+ .wait_for_reset = tegra114_wait_cpu_in_reset,
+ .disable_clock = tegra114_disable_cpu_clock,
+};
static const struct of_device_id pmc_match[] __initconst = {
{ .compatible = "nvidia,tegra114-pmc" },
{},
};
+/*
+ * dfll_soc/dfll_ref apparently must be kept enabled, otherwise I2C5
+ * breaks
+ */
static __initdata struct tegra_clk_init_table init_table[] = {
{uarta, pll_p, 408000000, 0},
{uartb, pll_p, 408000000, 0},
@@ -2022,6 +2171,8 @@ static __initdata struct tegra_clk_init_table init_table[] = {
{i2s2, pll_a_out0, 11289600, 0},
{i2s3, pll_a_out0, 11289600, 0},
{i2s4, pll_a_out0, 11289600, 0},
+ {dfll_soc, pll_p, 51000000, 1},
+ {dfll_ref, pll_p, 51000000, 1},
{clk_max, clk_max, 0, 0}, /* This MUST be the last entry. */
};
@@ -2030,7 +2181,132 @@ static void __init tegra114_clock_apply_init_table(void)
tegra_init_from_table(init_table, clks, clk_max);
}
-void __init tegra114_clock_init(struct device_node *np)
+
+/**
+ * tegra114_car_barrier - wait for pending writes to the CAR to complete
+ *
+ * Wait for any outstanding writes to the CAR MMIO space from this CPU
+ * to complete before continuing execution. No return value.
+ */
+static void tegra114_car_barrier(void)
+{
+ wmb(); /* probably unnecessary */
+ readl_relaxed(clk_base + CPU_FINETRIM_SELECT);
+}
+
+/**
+ * tegra114_clock_tune_cpu_trimmers_high - use high-voltage propagation delays
+ *
+ * When the CPU rail voltage is in the high-voltage range, use the
+ * built-in hardwired clock propagation delays in the CPU clock
+ * shaper. No return value.
+ */
+void tegra114_clock_tune_cpu_trimmers_high(void)
+{
+ u32 select = 0;
+
+ /* Use hardwired rise->rise & fall->fall clock propagation delays */
+ select |= ~(CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
+ CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
+ CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
+ writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
+
+ tegra114_car_barrier();
+}
+EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_high);
+
+/**
+ * tegra114_clock_tune_cpu_trimmers_low - use low-voltage propagation delays
+ *
+ * When the CPU rail voltage is in the low-voltage range, use the
+ * extended clock propagation delays set by
+ * tegra114_clock_tune_cpu_trimmers_init(). The intention is to
+ * maintain the input clock duty cycle that the FCPU subsystem
+ * expects. No return value.
+ */
+void tegra114_clock_tune_cpu_trimmers_low(void)
+{
+ u32 select = 0;
+
+ /*
+ * Use software-specified rise->rise & fall->fall clock
+ * propagation delays (from
+ * tegra114_clock_tune_cpu_trimmers_init()
+ */
+ select |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
+ CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
+ CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
+ writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
+
+ tegra114_car_barrier();
+}
+EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_low);
+
+/**
+ * tegra114_clock_tune_cpu_trimmers_init - set up and enable clk prop delays
+ *
+ * Program extended clock propagation delays into the FCPU clock
+ * shaper and enable them. XXX Define the purpose - peak current
+ * reduction? No return value.
+ */
+/* XXX Initial voltage rail state assumption issues? */
+void tegra114_clock_tune_cpu_trimmers_init(void)
+{
+ u32 dr = 0, r = 0;
+
+ /* Increment the rise->rise clock delay by four steps */
+ r |= (CPU_FINETRIM_R_FCPU_1_MASK | CPU_FINETRIM_R_FCPU_2_MASK |
+ CPU_FINETRIM_R_FCPU_3_MASK | CPU_FINETRIM_R_FCPU_4_MASK |
+ CPU_FINETRIM_R_FCPU_5_MASK | CPU_FINETRIM_R_FCPU_6_MASK);
+ writel_relaxed(r, clk_base + CPU_FINETRIM_R);
+
+ /*
+ * Use the rise->rise clock propagation delay specified in the
+ * r field
+ */
+ dr |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
+ CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
+ CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
+ writel_relaxed(dr, clk_base + CPU_FINETRIM_DR);
+
+ tegra114_clock_tune_cpu_trimmers_low();
+}
+EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init);
+
+/**
+ * tegra114_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
+ *
+ * Assert the reset line of the DFLL's DVCO. No return value.
+ */
+void tegra114_clock_assert_dfll_dvco_reset(void)
+{
+ u32 v;
+
+ v = readl_relaxed(clk_base + RST_DFLL_DVCO);
+ v |= (1 << DVFS_DFLL_RESET_SHIFT);
+ writel_relaxed(v, clk_base + RST_DFLL_DVCO);
+ tegra114_car_barrier();
+}
+EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset);
+
+/**
+ * tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
+ *
+ * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
+ * operate. No return value.
+ */
+void tegra114_clock_deassert_dfll_dvco_reset(void)
+{
+ u32 v;
+
+ v = readl_relaxed(clk_base + RST_DFLL_DVCO);
+ v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
+ writel_relaxed(v, clk_base + RST_DFLL_DVCO);
+ tegra114_car_barrier();
+}
+EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset);
+
+static void __init tegra114_clock_init(struct device_node *np)
{
struct device_node *node;
int i;
@@ -2083,3 +2359,4 @@ void __init tegra114_clock_init(struct device_node *np)
tegra_cpu_car_ops = &tegra114_cpu_car_ops;
}
+CLK_OF_DECLARE(tegra114, "nvidia,tegra114-car", tegra114_clock_init);
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index 075db0c99edb..759ca47be753 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -1287,7 +1287,7 @@ static const struct of_device_id pmc_match[] __initconst = {
{},
};
-void __init tegra20_clock_init(struct device_node *np)
+static void __init tegra20_clock_init(struct device_node *np)
{
int i;
struct device_node *node;
@@ -1339,3 +1339,4 @@ void __init tegra20_clock_init(struct device_node *np)
tegra_cpu_car_ops = &tegra20_cpu_car_ops;
}
+CLK_OF_DECLARE(tegra20, "nvidia,tegra20-car", tegra20_clock_init);
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index c6921f538e28..e2c6ca0431d6 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -252,6 +252,9 @@
#define CLK_RESET_CCLK_RUN_POLICY 2
#define CLK_RESET_CCLK_BURST_POLICY_PLLX 8
+/* PLLM override registers */
+#define PMC_PLLM_WB0_OVERRIDE 0x1dc
+
#ifdef CONFIG_PM_SLEEP
static struct cpu_clk_suspend_context {
u32 pllx_misc;
@@ -563,6 +566,18 @@ static struct tegra_clk_pll_params pll_c_params = {
.lock_delay = 300,
};
+static struct div_nmp pllm_nmp = {
+ .divn_shift = 8,
+ .divn_width = 10,
+ .override_divn_shift = 5,
+ .divm_shift = 0,
+ .divm_width = 5,
+ .override_divm_shift = 0,
+ .divp_shift = 20,
+ .divp_width = 3,
+ .override_divp_shift = 15,
+};
+
static struct tegra_clk_pll_params pll_m_params = {
.input_min = 2000000,
.input_max = 31000000,
@@ -575,6 +590,9 @@ static struct tegra_clk_pll_params pll_m_params = {
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
+ .div_nmp = &pllm_nmp,
+ .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
+ .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE,
};
static struct tegra_clk_pll_params pll_p_params = {
@@ -1223,7 +1241,7 @@ static void __init tegra30_pmc_clk_init(void)
/* clk_out_2 */
clk = clk_register_mux(NULL, "clk_out_2_mux", clk_out2_parents,
- ARRAY_SIZE(clk_out1_parents), 0,
+ ARRAY_SIZE(clk_out2_parents), 0,
pmc_base + PMC_CLK_OUT_CNTRL, 14, 3, 0,
&clk_out_lock);
clk = clk_register_gate(NULL, "clk_out_2", "clk_out_2_mux", 0,
@@ -1234,7 +1252,7 @@ static void __init tegra30_pmc_clk_init(void)
/* clk_out_3 */
clk = clk_register_mux(NULL, "clk_out_3_mux", clk_out3_parents,
- ARRAY_SIZE(clk_out1_parents), 0,
+ ARRAY_SIZE(clk_out3_parents), 0,
pmc_base + PMC_CLK_OUT_CNTRL, 22, 3, 0,
&clk_out_lock);
clk = clk_register_gate(NULL, "clk_out_3", "clk_out_3_mux", 0,
@@ -1598,6 +1616,12 @@ static void __init tegra30_periph_clk_init(void)
clk_register_clkdev(clk, "afi", "tegra-pcie");
clks[afi] = clk;
+ /* pciex */
+ clk = tegra_clk_register_periph_gate("pciex", "pll_e", 0, clk_base, 0,
+ 74, &periph_u_regs, periph_clk_enb_refcnt);
+ clk_register_clkdev(clk, "pciex", "tegra-pcie");
+ clks[pciex] = clk;
+
/* kfuse */
clk = tegra_clk_register_periph_gate("kfuse", "clk_m",
TEGRA_PERIPH_ON_APB,
@@ -1716,11 +1740,6 @@ static void __init tegra30_fixed_clk_init(void)
1, 0, &cml_lock);
clk_register_clkdev(clk, "cml1", NULL);
clks[cml1] = clk;
-
- /* pciex */
- clk = clk_register_fixed_rate(NULL, "pciex", "pll_e", 0, 100000000);
- clk_register_clkdev(clk, "pciex", NULL);
- clks[pciex] = clk;
}
static void __init tegra30_osc_clk_init(void)
@@ -1953,7 +1972,7 @@ static const struct of_device_id pmc_match[] __initconst = {
{},
};
-void __init tegra30_clock_init(struct device_node *np)
+static void __init tegra30_clock_init(struct device_node *np)
{
struct device_node *node;
int i;
@@ -2004,3 +2023,4 @@ void __init tegra30_clock_init(struct device_node *np)
tegra_cpu_car_ops = &tegra30_cpu_car_ops;
}
+CLK_OF_DECLARE(tegra30, "nvidia,tegra30-car", tegra30_clock_init);
diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
index 923ca7ee4694..86581ac1fd69 100644
--- a/drivers/clk/tegra/clk.c
+++ b/drivers/clk/tegra/clk.c
@@ -74,18 +74,6 @@ void __init tegra_init_from_table(struct tegra_clk_init_table *tbl,
}
}
-static const struct of_device_id tegra_dt_clk_match[] = {
- { .compatible = "nvidia,tegra20-car", .data = tegra20_clock_init },
- { .compatible = "nvidia,tegra30-car", .data = tegra30_clock_init },
- { .compatible = "nvidia,tegra114-car", .data = tegra114_clock_init },
- { }
-};
-
-void __init tegra_clocks_init(void)
-{
- of_clk_init(tegra_dt_clk_match);
-}
-
tegra_clk_apply_init_table_func tegra_clk_apply_init_table;
void __init tegra_clocks_apply_init_table(void)
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index e0565620d68e..07cfacd91686 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -128,6 +128,31 @@ struct pdiv_map {
};
/**
+ * struct div_nmp - offset and width of m,n and p fields
+ *
+ * @divn_shift: shift to the feedback divider bit field
+ * @divn_width: width of the feedback divider bit field
+ * @divm_shift: shift to the input divider bit field
+ * @divm_width: width of the input divider bit field
+ * @divp_shift: shift to the post divider bit field
+ * @divp_width: width of the post divider bit field
+ * @override_divn_shift: shift to the feedback divider bitfield in override reg
+ * @override_divm_shift: shift to the input divider bitfield in override reg
+ * @override_divp_shift: shift to the post divider bitfield in override reg
+ */
+struct div_nmp {
+ u8 divn_shift;
+ u8 divn_width;
+ u8 divm_shift;
+ u8 divm_width;
+ u8 divp_shift;
+ u8 divp_width;
+ u8 override_divn_shift;
+ u8 override_divm_shift;
+ u8 override_divp_shift;
+};
+
+/**
* struct clk_pll_params - PLL parameters
*
* @input_min: Minimum input frequency
@@ -161,11 +186,14 @@ struct tegra_clk_pll_params {
u32 aux_reg;
u32 dyn_ramp_reg;
u32 ext_misc_reg[3];
+ u32 pmc_divnm_reg;
+ u32 pmc_divp_reg;
int stepa_shift;
int stepb_shift;
int lock_delay;
int max_p;
struct pdiv_map *pdiv_tohw;
+ struct div_nmp *div_nmp;
};
/**
@@ -179,12 +207,6 @@ struct tegra_clk_pll_params {
* @flags: PLL flags
* @fixed_rate: PLL rate if it is fixed
* @lock: register lock
- * @divn_shift: shift to the feedback divider bit field
- * @divn_width: width of the feedback divider bit field
- * @divm_shift: shift to the input divider bit field
- * @divm_width: width of the input divider bit field
- * @divp_shift: shift to the post divider bit field
- * @divp_width: width of the post divider bit field
*
* Flags:
* TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for
@@ -214,12 +236,6 @@ struct tegra_clk_pll {
u32 flags;
unsigned long fixed_rate;
spinlock_t *lock;
- u8 divn_shift;
- u8 divn_width;
- u8 divm_shift;
- u8 divm_width;
- u8 divp_shift;
- u8 divp_width;
struct tegra_clk_pll_freq_table *freq_table;
struct tegra_clk_pll_params *params;
};
@@ -571,23 +587,11 @@ void tegra_init_from_table(struct tegra_clk_init_table *tbl,
void tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list,
struct clk *clks[], int clk_max);
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
-void tegra20_clock_init(struct device_node *np);
-#else
-static inline void tegra20_clock_init(struct device_node *np) {}
-#endif /* CONFIG_ARCH_TEGRA_2x_SOC */
-
-#ifdef CONFIG_ARCH_TEGRA_3x_SOC
-void tegra30_clock_init(struct device_node *np);
-#else
-static inline void tegra30_clock_init(struct device_node *np) {}
-#endif /* CONFIG_ARCH_TEGRA_3x_SOC */
-
-#ifdef CONFIG_ARCH_TEGRA_114_SOC
-void tegra114_clock_init(struct device_node *np);
-#else
-static inline void tegra114_clock_init(struct device_node *np) {}
-#endif /* CONFIG_ARCH_TEGRA114_SOC */
+void tegra114_clock_tune_cpu_trimmers_high(void);
+void tegra114_clock_tune_cpu_trimmers_low(void);
+void tegra114_clock_tune_cpu_trimmers_init(void);
+void tegra114_clock_assert_dfll_dvco_reset(void);
+void tegra114_clock_deassert_dfll_dvco_reset(void);
typedef void (*tegra_clk_apply_init_table_func)(void);
extern tegra_clk_apply_init_table_func tegra_clk_apply_init_table;
diff --git a/drivers/clk/ux500/abx500-clk.c b/drivers/clk/ux500/abx500-clk.c
index a0fca004abc1..e7bd62cf60b3 100644
--- a/drivers/clk/ux500/abx500-clk.c
+++ b/drivers/clk/ux500/abx500-clk.c
@@ -45,7 +45,7 @@ static int ab8500_reg_clks(struct device *dev)
CLK_IS_ROOT);
clk_register_clkdev(clk, "sysclk", "ab8500-usb.0");
clk_register_clkdev(clk, "sysclk", "ab-iddet.0");
- clk_register_clkdev(clk, "sysclk", "ab85xx-codec.0");
+ clk_register_clkdev(clk, "sysclk", "snd-soc-mop500.0");
clk_register_clkdev(clk, "sysclk", "shrm_bus");
/* ab8500_sysclk2 */
@@ -70,19 +70,19 @@ static int ab8500_reg_clks(struct device *dev)
AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_ULPCLKREQ,
AB8500_SYSULPCLKCTRL1_ULPCLKREQ,
38400000, 9000, CLK_IS_ROOT);
- clk_register_clkdev(clk, "ulpclk", "ab85xx-codec.0");
+ clk_register_clkdev(clk, "ulpclk", "snd-soc-mop500.0");
/* ab8500_intclk */
clk = clk_reg_sysctrl_set_parent(dev , "intclk", intclk_parents, 2,
intclk_reg_sel, intclk_reg_mask, intclk_reg_bits, 0);
- clk_register_clkdev(clk, "intclk", "ab85xx-codec.0");
+ clk_register_clkdev(clk, "intclk", "snd-soc-mop500.0");
clk_register_clkdev(clk, NULL, "ab8500-pwm.1");
/* ab8500_audioclk */
clk = clk_reg_sysctrl_gate(dev , "audioclk", "intclk",
AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_AUDIOCLKENA,
AB8500_SYSULPCLKCTRL1_AUDIOCLKENA, 0, 0);
- clk_register_clkdev(clk, "audioclk", "ab85xx-codec.0");
+ clk_register_clkdev(clk, "audioclk", "ab8500-codec.0");
return 0;
}
diff --git a/drivers/clk/ux500/u8540_clk.c b/drivers/clk/ux500/u8540_clk.c
index 10adfd2ead21..f26258869deb 100644
--- a/drivers/clk/ux500/u8540_clk.c
+++ b/drivers/clk/ux500/u8540_clk.c
@@ -12,10 +12,568 @@
#include <linux/clk-provider.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/platform_data/clk-ux500.h>
-
#include "clk.h"
-void u8540_clk_init(void)
+void u8540_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
+ u32 clkrst5_base, u32 clkrst6_base)
{
- /* register clocks here */
+ struct clk *clk;
+
+ /* Clock sources. */
+ /* Fixed ClockGen */
+ clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
+ CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ clk_register_clkdev(clk, "soc0_pll", NULL);
+
+ clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
+ CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ clk_register_clkdev(clk, "soc1_pll", NULL);
+
+ clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
+ CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ clk_register_clkdev(clk, "ddr_pll", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "rtc32k", NULL,
+ CLK_IS_ROOT|CLK_IGNORE_UNUSED,
+ 32768);
+ clk_register_clkdev(clk, "clk32k", NULL);
+ clk_register_clkdev(clk, "apb_pclk", "rtc-pl031");
+
+ clk = clk_register_fixed_rate(NULL, "ulp38m4", NULL,
+ CLK_IS_ROOT|CLK_IGNORE_UNUSED,
+ 38400000);
+
+ clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "UART");
+
+ /* msp02clk needs a abx500 clk as parent. Handle by abx500 clk driver */
+ clk = clk_reg_prcmu_gate("msp02clk", "ab9540_sysclk12_b1",
+ PRCMU_MSP02CLK, 0);
+ clk_register_clkdev(clk, NULL, "MSP02");
+
+ clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "MSP1");
+
+ clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "I2C");
+
+ clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "slim");
+
+ clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH1");
+
+ clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH2");
+
+ clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH3");
+
+ clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH5");
+
+ clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH6");
+
+ clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "PERIPH7");
+
+ clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "lcd");
+ clk_register_clkdev(clk, "lcd", "mcde");
+
+ clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BML8580CLK,
+ CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "bml");
+
+ clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+
+ clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+
+ clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "hdmi");
+ clk_register_clkdev(clk, "hdmi", "mcde");
+
+ clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "apeat");
+
+ clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
+ CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "apetrace");
+
+ clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "mcde");
+ clk_register_clkdev(clk, "mcde", "mcde");
+ clk_register_clkdev(clk, NULL, "dsilink.0");
+ clk_register_clkdev(clk, NULL, "dsilink.1");
+ clk_register_clkdev(clk, NULL, "dsilink.2");
+
+ clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,
+ CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "ipi2");
+
+ clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,
+ CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "dsialt");
+
+ clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "dma40.0");
+
+ clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "b2r2");
+ clk_register_clkdev(clk, NULL, "b2r2_core");
+ clk_register_clkdev(clk, NULL, "U8500-B2R2.0");
+ clk_register_clkdev(clk, NULL, "b2r2_1_core");
+
+ clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "tv");
+ clk_register_clkdev(clk, "tv", "mcde");
+
+ clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "SSP");
+
+ clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "rngclk");
+
+ clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "uicc");
+
+ clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "mtu0");
+ clk_register_clkdev(clk, NULL, "mtu1");
+
+ clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL,
+ PRCMU_SDMMCCLK, 100000000,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdmmc");
+
+ clk = clk_reg_prcmu_opp_volt_scalable("sdmmchclk", NULL,
+ PRCMU_SDMMCHCLK, 400000000,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdmmchclk");
+
+ clk = clk_reg_prcmu_gate("hvaclk", NULL, PRCMU_HVACLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "hva");
+
+ clk = clk_reg_prcmu_gate("g1clk", NULL, PRCMU_G1CLK, CLK_IS_ROOT);
+ clk_register_clkdev(clk, NULL, "g1");
+
+ clk = clk_reg_prcmu_scalable("spare1clk", NULL, PRCMU_SPARE1CLK, 0,
+ CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsilcd", "mcde");
+
+ clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
+ PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsihs2", "mcde");
+ clk_register_clkdev(clk, "hs_clk", "dsilink.2");
+
+ clk = clk_reg_prcmu_scalable("dsilcd_pll", "spare1clk",
+ PRCMU_PLLDSI_LCD, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsilcd_pll", "mcde");
+
+ clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
+ PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsihs0", "mcde");
+
+ clk = clk_reg_prcmu_scalable("dsi0lcdclk", "dsilcd_pll",
+ PRCMU_DSI0CLK_LCD, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsihs0", "mcde");
+ clk_register_clkdev(clk, "hs_clk", "dsilink.0");
+
+ clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
+ PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsihs1", "mcde");
+
+ clk = clk_reg_prcmu_scalable("dsi1lcdclk", "dsilcd_pll",
+ PRCMU_DSI1CLK_LCD, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "dsihs1", "mcde");
+ clk_register_clkdev(clk, "hs_clk", "dsilink.1");
+
+ clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
+ PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "lp_clk", "dsilink.0");
+ clk_register_clkdev(clk, "dsilp0", "mcde");
+
+ clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
+ PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "lp_clk", "dsilink.1");
+ clk_register_clkdev(clk, "dsilp1", "mcde");
+
+ clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
+ PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, "lp_clk", "dsilink.2");
+ clk_register_clkdev(clk, "dsilp2", "mcde");
+
+ clk = clk_reg_prcmu_scalable_rate("armss", NULL,
+ PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ clk_register_clkdev(clk, "armss", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
+ CLK_IGNORE_UNUSED, 1, 2);
+ clk_register_clkdev(clk, NULL, "smp_twd");
+
+ /* PRCC P-clocks */
+ /* Peripheral 1 : PRCC P-clocks */
+ clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", clkrst1_base,
+ BIT(0), 0);
+ clk_register_clkdev(clk, "apb_pclk", "uart0");
+
+ clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", clkrst1_base,
+ BIT(1), 0);
+ clk_register_clkdev(clk, "apb_pclk", "uart1");
+
+ clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", clkrst1_base,
+ BIT(2), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.1");
+
+ clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", clkrst1_base,
+ BIT(3), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp0");
+ clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.0");
+
+ clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", clkrst1_base,
+ BIT(4), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp1");
+ clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.1");
+
+ clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", clkrst1_base,
+ BIT(5), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi0");
+
+ clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", clkrst1_base,
+ BIT(6), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.2");
+
+ clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", clkrst1_base,
+ BIT(7), 0);
+ clk_register_clkdev(clk, NULL, "spi3");
+
+ clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", clkrst1_base,
+ BIT(8), 0);
+ clk_register_clkdev(clk, "apb_pclk", "slimbus0");
+
+ clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", clkrst1_base,
+ BIT(9), 0);
+ clk_register_clkdev(clk, NULL, "gpio.0");
+ clk_register_clkdev(clk, NULL, "gpio.1");
+ clk_register_clkdev(clk, NULL, "gpioblock0");
+ clk_register_clkdev(clk, "apb_pclk", "ab85xx-codec.0");
+
+ clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", clkrst1_base,
+ BIT(10), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.4");
+
+ clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", clkrst1_base,
+ BIT(11), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp3");
+ clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.3");
+
+ /* Peripheral 2 : PRCC P-clocks */
+ clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", clkrst2_base,
+ BIT(0), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.3");
+
+ clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", clkrst2_base,
+ BIT(1), 0);
+ clk_register_clkdev(clk, NULL, "spi2");
+
+ clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", clkrst2_base,
+ BIT(2), 0);
+ clk_register_clkdev(clk, NULL, "spi1");
+
+ clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", clkrst2_base,
+ BIT(3), 0);
+ clk_register_clkdev(clk, NULL, "pwl");
+
+ clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", clkrst2_base,
+ BIT(4), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi4");
+
+ clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", clkrst2_base,
+ BIT(5), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp2");
+ clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.2");
+
+ clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", clkrst2_base,
+ BIT(6), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi1");
+
+ clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", clkrst2_base,
+ BIT(7), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi3");
+
+ clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", clkrst2_base,
+ BIT(8), 0);
+ clk_register_clkdev(clk, NULL, "spi0");
+
+ clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", clkrst2_base,
+ BIT(9), 0);
+ clk_register_clkdev(clk, "hsir_hclk", "ste_hsi.0");
+
+ clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", clkrst2_base,
+ BIT(10), 0);
+ clk_register_clkdev(clk, "hsit_hclk", "ste_hsi.0");
+
+ clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", clkrst2_base,
+ BIT(11), 0);
+ clk_register_clkdev(clk, NULL, "gpio.6");
+ clk_register_clkdev(clk, NULL, "gpio.7");
+ clk_register_clkdev(clk, NULL, "gpioblock1");
+
+ clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", clkrst2_base,
+ BIT(12), 0);
+ clk_register_clkdev(clk, "msp4-pclk", "ab85xx-codec.0");
+
+ /* Peripheral 3 : PRCC P-clocks */
+ clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", clkrst3_base,
+ BIT(0), 0);
+ clk_register_clkdev(clk, NULL, "fsmc");
+
+ clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", clkrst3_base,
+ BIT(1), 0);
+ clk_register_clkdev(clk, "apb_pclk", "ssp0");
+
+ clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", clkrst3_base,
+ BIT(2), 0);
+ clk_register_clkdev(clk, "apb_pclk", "ssp1");
+
+ clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", clkrst3_base,
+ BIT(3), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.0");
+
+ clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", clkrst3_base,
+ BIT(4), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi2");
+
+ clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", clkrst3_base,
+ BIT(5), 0);
+ clk_register_clkdev(clk, "apb_pclk", "ske");
+ clk_register_clkdev(clk, "apb_pclk", "nmk-ske-keypad");
+
+ clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", clkrst3_base,
+ BIT(6), 0);
+ clk_register_clkdev(clk, "apb_pclk", "uart2");
+
+ clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", clkrst3_base,
+ BIT(7), 0);
+ clk_register_clkdev(clk, "apb_pclk", "sdi5");
+
+ clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", clkrst3_base,
+ BIT(8), 0);
+ clk_register_clkdev(clk, NULL, "gpio.2");
+ clk_register_clkdev(clk, NULL, "gpio.3");
+ clk_register_clkdev(clk, NULL, "gpio.4");
+ clk_register_clkdev(clk, NULL, "gpio.5");
+ clk_register_clkdev(clk, NULL, "gpioblock2");
+
+ clk = clk_reg_prcc_pclk("p3_pclk9", "per3clk", clkrst3_base,
+ BIT(9), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.5");
+
+ clk = clk_reg_prcc_pclk("p3_pclk10", "per3clk", clkrst3_base,
+ BIT(10), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.6");
+
+ clk = clk_reg_prcc_pclk("p3_pclk11", "per3clk", clkrst3_base,
+ BIT(11), 0);
+ clk_register_clkdev(clk, "apb_pclk", "uart3");
+
+ clk = clk_reg_prcc_pclk("p3_pclk12", "per3clk", clkrst3_base,
+ BIT(12), 0);
+ clk_register_clkdev(clk, "apb_pclk", "uart4");
+
+ /* Peripheral 5 : PRCC P-clocks */
+ clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", clkrst5_base,
+ BIT(0), 0);
+ clk_register_clkdev(clk, "usb", "musb-ux500.0");
+ clk_register_clkdev(clk, "usbclk", "ab-iddet.0");
+
+ clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", clkrst5_base,
+ BIT(1), 0);
+ clk_register_clkdev(clk, NULL, "gpio.8");
+ clk_register_clkdev(clk, NULL, "gpioblock3");
+
+ /* Peripheral 6 : PRCC P-clocks */
+ clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", clkrst6_base,
+ BIT(0), 0);
+ clk_register_clkdev(clk, "apb_pclk", "rng");
+
+ clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", clkrst6_base,
+ BIT(1), 0);
+ clk_register_clkdev(clk, NULL, "cryp0");
+ clk_register_clkdev(clk, NULL, "cryp1");
+
+ clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", clkrst6_base,
+ BIT(2), 0);
+ clk_register_clkdev(clk, NULL, "hash0");
+
+ clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", clkrst6_base,
+ BIT(3), 0);
+ clk_register_clkdev(clk, NULL, "pka");
+
+ clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", clkrst6_base,
+ BIT(4), 0);
+ clk_register_clkdev(clk, NULL, "db8540-hash1");
+
+ clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", clkrst6_base,
+ BIT(5), 0);
+ clk_register_clkdev(clk, NULL, "cfgreg");
+
+ clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", clkrst6_base,
+ BIT(6), 0);
+ clk_register_clkdev(clk, "apb_pclk", "mtu0");
+
+ clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", clkrst6_base,
+ BIT(7), 0);
+ clk_register_clkdev(clk, "apb_pclk", "mtu1");
+
+ /*
+ * PRCC K-clocks ==> see table PRCC_PCKEN/PRCC_KCKEN
+ * This differs from the internal implementation:
+ * We don't use the PERPIH[n| clock as parent, since those _should_
+ * only be used as parents for the P-clocks.
+ * TODO: "parentjoin" with corresponding P-clocks for all K-clocks.
+ */
+
+ /* Peripheral 1 : PRCC K-clocks */
+ clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
+ clkrst1_base, BIT(0), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "uart0");
+
+ clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
+ clkrst1_base, BIT(1), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "uart1");
+
+ clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
+ clkrst1_base, BIT(2), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.1");
+
+ clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
+ clkrst1_base, BIT(3), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp0");
+ clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.0");
+
+ clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
+ clkrst1_base, BIT(4), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp1");
+ clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.1");
+
+ clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmchclk",
+ clkrst1_base, BIT(5), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi0");
+
+ clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
+ clkrst1_base, BIT(6), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.2");
+
+ clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
+ clkrst1_base, BIT(8), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "slimbus0");
+
+ clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
+ clkrst1_base, BIT(9), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.4");
+
+ clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
+ clkrst1_base, BIT(10), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp3");
+ clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.3");
+
+ /* Peripheral 2 : PRCC K-clocks */
+ clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
+ clkrst2_base, BIT(0), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.3");
+
+ clk = clk_reg_prcc_kclk("p2_pwl_kclk", "rtc32k",
+ clkrst2_base, BIT(1), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "pwl");
+
+ clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmchclk",
+ clkrst2_base, BIT(2), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi4");
+
+ clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
+ clkrst2_base, BIT(3), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp2");
+ clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.2");
+
+ clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmchclk",
+ clkrst2_base, BIT(4), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi1");
+
+ clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
+ clkrst2_base, BIT(5), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi3");
+
+ clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
+ clkrst2_base, BIT(6),
+ CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
+ clk_register_clkdev(clk, "hsir_hsirxclk", "ste_hsi.0");
+
+ clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
+ clkrst2_base, BIT(7),
+ CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
+ clk_register_clkdev(clk, "hsit_hsitxclk", "ste_hsi.0");
+
+ /* Should only be 9540, but might be added for 85xx as well */
+ clk = clk_reg_prcc_kclk("p2_msp4_kclk", "msp02clk",
+ clkrst2_base, BIT(9), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp4");
+ clk_register_clkdev(clk, "msp4", "ab85xx-codec.0");
+
+ /* Peripheral 3 : PRCC K-clocks */
+ clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
+ clkrst3_base, BIT(1), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "ssp0");
+
+ clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
+ clkrst3_base, BIT(2), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "ssp1");
+
+ clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
+ clkrst3_base, BIT(3), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.0");
+
+ clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmchclk",
+ clkrst3_base, BIT(4), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi2");
+
+ clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
+ clkrst3_base, BIT(5), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "ske");
+ clk_register_clkdev(clk, NULL, "nmk-ske-keypad");
+
+ clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
+ clkrst3_base, BIT(6), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "uart2");
+
+ clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
+ clkrst3_base, BIT(7), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "sdi5");
+
+ clk = clk_reg_prcc_kclk("p3_i2c5_kclk", "i2cclk",
+ clkrst3_base, BIT(8), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.5");
+
+ clk = clk_reg_prcc_kclk("p3_i2c6_kclk", "i2cclk",
+ clkrst3_base, BIT(9), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.6");
+
+ clk = clk_reg_prcc_kclk("p3_uart3_kclk", "uartclk",
+ clkrst3_base, BIT(10), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "uart3");
+
+ clk = clk_reg_prcc_kclk("p3_uart4_kclk", "uartclk",
+ clkrst3_base, BIT(11), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "uart4");
+
+ /* Peripheral 6 : PRCC K-clocks */
+ clk = clk_reg_prcc_kclk("p6_rng_kclk", "rngclk",
+ clkrst6_base, BIT(0), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "rng");
}
diff --git a/drivers/clk/ux500/u9540_clk.c b/drivers/clk/ux500/u9540_clk.c
index dbc0191e16c8..44794782e7e0 100644
--- a/drivers/clk/ux500/u9540_clk.c
+++ b/drivers/clk/ux500/u9540_clk.c
@@ -12,10 +12,10 @@
#include <linux/clk-provider.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/platform_data/clk-ux500.h>
-
#include "clk.h"
-void u9540_clk_init(void)
+void u9540_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
+ u32 clkrst5_base, u32 clkrst6_base)
{
/* register clocks here */
}
diff --git a/drivers/clk/versatile/clk-vexpress-osc.c b/drivers/clk/versatile/clk-vexpress-osc.c
index 256c8be74df8..2dc8b41a339d 100644
--- a/drivers/clk/versatile/clk-vexpress-osc.c
+++ b/drivers/clk/versatile/clk-vexpress-osc.c
@@ -107,7 +107,7 @@ void __init vexpress_osc_of_setup(struct device_node *node)
osc->func = vexpress_config_func_get_by_node(node);
if (!osc->func) {
pr_err("Failed to obtain config func for node '%s'!\n",
- node->name);
+ node->full_name);
goto error;
}
@@ -119,7 +119,7 @@ void __init vexpress_osc_of_setup(struct device_node *node)
of_property_read_string(node, "clock-output-names", &init.name);
if (!init.name)
- init.name = node->name;
+ init.name = node->full_name;
init.ops = &vexpress_osc_ops;
init.flags = CLK_IS_ROOT;
diff --git a/drivers/clk/x86/clk-lpt.c b/drivers/clk/x86/clk-lpt.c
index 4f45eee9e33b..812f83f8b0c6 100644
--- a/drivers/clk/x86/clk-lpt.c
+++ b/drivers/clk/x86/clk-lpt.c
@@ -1,5 +1,5 @@
/*
- * Intel Lynxpoint LPSS clocks.
+ * Intel Low Power Subsystem clocks.
*
* Copyright (C) 2013, Intel Corporation
* Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
@@ -18,8 +18,6 @@
#include <linux/platform_data/clk-lpss.h>
#include <linux/platform_device.h>
-#define PRV_CLOCK_PARAMS 0x800
-
static int lpt_clk_probe(struct platform_device *pdev)
{
struct lpss_clk_data *drvdata;
diff --git a/drivers/clk/zynq/Makefile b/drivers/clk/zynq/Makefile
new file mode 100644
index 000000000000..156d923f4fa9
--- /dev/null
+++ b/drivers/clk/zynq/Makefile
@@ -0,0 +1,3 @@
+# Zynq clock specific Makefile
+
+obj-$(CONFIG_ARCH_ZYNQ) += clkc.o pll.o
diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c
new file mode 100644
index 000000000000..5c205b60a82a
--- /dev/null
+++ b/drivers/clk/zynq/clkc.c
@@ -0,0 +1,533 @@
+/*
+ * Zynq clock controller
+ *
+ * Copyright (C) 2012 - 2013 Xilinx
+ *
+ * Sören Brinkmann <soren.brinkmann@xilinx.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/clk/zynq.h>
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/io.h>
+
+static void __iomem *zynq_slcr_base_priv;
+
+#define SLCR_ARMPLL_CTRL (zynq_slcr_base_priv + 0x100)
+#define SLCR_DDRPLL_CTRL (zynq_slcr_base_priv + 0x104)
+#define SLCR_IOPLL_CTRL (zynq_slcr_base_priv + 0x108)
+#define SLCR_PLL_STATUS (zynq_slcr_base_priv + 0x10c)
+#define SLCR_ARM_CLK_CTRL (zynq_slcr_base_priv + 0x120)
+#define SLCR_DDR_CLK_CTRL (zynq_slcr_base_priv + 0x124)
+#define SLCR_DCI_CLK_CTRL (zynq_slcr_base_priv + 0x128)
+#define SLCR_APER_CLK_CTRL (zynq_slcr_base_priv + 0x12c)
+#define SLCR_GEM0_CLK_CTRL (zynq_slcr_base_priv + 0x140)
+#define SLCR_GEM1_CLK_CTRL (zynq_slcr_base_priv + 0x144)
+#define SLCR_SMC_CLK_CTRL (zynq_slcr_base_priv + 0x148)
+#define SLCR_LQSPI_CLK_CTRL (zynq_slcr_base_priv + 0x14c)
+#define SLCR_SDIO_CLK_CTRL (zynq_slcr_base_priv + 0x150)
+#define SLCR_UART_CLK_CTRL (zynq_slcr_base_priv + 0x154)
+#define SLCR_SPI_CLK_CTRL (zynq_slcr_base_priv + 0x158)
+#define SLCR_CAN_CLK_CTRL (zynq_slcr_base_priv + 0x15c)
+#define SLCR_CAN_MIOCLK_CTRL (zynq_slcr_base_priv + 0x160)
+#define SLCR_DBG_CLK_CTRL (zynq_slcr_base_priv + 0x164)
+#define SLCR_PCAP_CLK_CTRL (zynq_slcr_base_priv + 0x168)
+#define SLCR_FPGA0_CLK_CTRL (zynq_slcr_base_priv + 0x170)
+#define SLCR_621_TRUE (zynq_slcr_base_priv + 0x1c4)
+#define SLCR_SWDT_CLK_SEL (zynq_slcr_base_priv + 0x304)
+
+#define NUM_MIO_PINS 54
+
+enum zynq_clk {
+ armpll, ddrpll, iopll,
+ cpu_6or4x, cpu_3or2x, cpu_2x, cpu_1x,
+ ddr2x, ddr3x, dci,
+ lqspi, smc, pcap, gem0, gem1, fclk0, fclk1, fclk2, fclk3, can0, can1,
+ sdio0, sdio1, uart0, uart1, spi0, spi1, dma,
+ usb0_aper, usb1_aper, gem0_aper, gem1_aper,
+ sdio0_aper, sdio1_aper, spi0_aper, spi1_aper, can0_aper, can1_aper,
+ i2c0_aper, i2c1_aper, uart0_aper, uart1_aper, gpio_aper, lqspi_aper,
+ smc_aper, swdt, dbg_trc, dbg_apb, clk_max};
+
+static struct clk *ps_clk;
+static struct clk *clks[clk_max];
+static struct clk_onecell_data clk_data;
+
+static DEFINE_SPINLOCK(armpll_lock);
+static DEFINE_SPINLOCK(ddrpll_lock);
+static DEFINE_SPINLOCK(iopll_lock);
+static DEFINE_SPINLOCK(armclk_lock);
+static DEFINE_SPINLOCK(ddrclk_lock);
+static DEFINE_SPINLOCK(dciclk_lock);
+static DEFINE_SPINLOCK(gem0clk_lock);
+static DEFINE_SPINLOCK(gem1clk_lock);
+static DEFINE_SPINLOCK(canclk_lock);
+static DEFINE_SPINLOCK(canmioclk_lock);
+static DEFINE_SPINLOCK(dbgclk_lock);
+static DEFINE_SPINLOCK(aperclk_lock);
+
+static const char dummy_nm[] __initconst = "dummy_name";
+
+static const char *armpll_parents[] __initdata = {"armpll_int", "ps_clk"};
+static const char *ddrpll_parents[] __initdata = {"ddrpll_int", "ps_clk"};
+static const char *iopll_parents[] __initdata = {"iopll_int", "ps_clk"};
+static const char *gem0_mux_parents[] __initdata = {"gem0_div1", dummy_nm};
+static const char *gem1_mux_parents[] __initdata = {"gem1_div1", dummy_nm};
+static const char *can0_mio_mux2_parents[] __initdata = {"can0_gate",
+ "can0_mio_mux"};
+static const char *can1_mio_mux2_parents[] __initdata = {"can1_gate",
+ "can1_mio_mux"};
+static const char *dbg_emio_mux_parents[] __initdata = {"dbg_div",
+ dummy_nm};
+
+static const char *dbgtrc_emio_input_names[] __initdata = {"trace_emio_clk"};
+static const char *gem0_emio_input_names[] __initdata = {"gem0_emio_clk"};
+static const char *gem1_emio_input_names[] __initdata = {"gem1_emio_clk"};
+static const char *swdt_ext_clk_input_names[] __initdata = {"swdt_ext_clk"};
+
+static void __init zynq_clk_register_fclk(enum zynq_clk fclk,
+ const char *clk_name, void __iomem *fclk_ctrl_reg,
+ const char **parents)
+{
+ struct clk *clk;
+ char *mux_name;
+ char *div0_name;
+ char *div1_name;
+ spinlock_t *fclk_lock;
+ spinlock_t *fclk_gate_lock;
+ void __iomem *fclk_gate_reg = fclk_ctrl_reg + 8;
+
+ fclk_lock = kmalloc(sizeof(*fclk_lock), GFP_KERNEL);
+ if (!fclk_lock)
+ goto err;
+ fclk_gate_lock = kmalloc(sizeof(*fclk_gate_lock), GFP_KERNEL);
+ if (!fclk_gate_lock)
+ goto err;
+ spin_lock_init(fclk_lock);
+ spin_lock_init(fclk_gate_lock);
+
+ mux_name = kasprintf(GFP_KERNEL, "%s_mux", clk_name);
+ div0_name = kasprintf(GFP_KERNEL, "%s_div0", clk_name);
+ div1_name = kasprintf(GFP_KERNEL, "%s_div1", clk_name);
+
+ clk = clk_register_mux(NULL, mux_name, parents, 4, 0,
+ fclk_ctrl_reg, 4, 2, 0, fclk_lock);
+
+ clk = clk_register_divider(NULL, div0_name, mux_name,
+ 0, fclk_ctrl_reg, 8, 6, CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO, fclk_lock);
+
+ clk = clk_register_divider(NULL, div1_name, div0_name,
+ CLK_SET_RATE_PARENT, fclk_ctrl_reg, 20, 6,
+ CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
+ fclk_lock);
+
+ clks[fclk] = clk_register_gate(NULL, clk_name,
+ div1_name, CLK_SET_RATE_PARENT, fclk_gate_reg,
+ 0, CLK_GATE_SET_TO_DISABLE, fclk_gate_lock);
+ kfree(mux_name);
+ kfree(div0_name);
+ kfree(div1_name);
+
+ return;
+
+err:
+ clks[fclk] = ERR_PTR(-ENOMEM);
+}
+
+static void __init zynq_clk_register_periph_clk(enum zynq_clk clk0,
+ enum zynq_clk clk1, const char *clk_name0,
+ const char *clk_name1, void __iomem *clk_ctrl,
+ const char **parents, unsigned int two_gates)
+{
+ struct clk *clk;
+ char *mux_name;
+ char *div_name;
+ spinlock_t *lock;
+
+ lock = kmalloc(sizeof(*lock), GFP_KERNEL);
+ if (!lock)
+ goto err;
+ spin_lock_init(lock);
+
+ mux_name = kasprintf(GFP_KERNEL, "%s_mux", clk_name0);
+ div_name = kasprintf(GFP_KERNEL, "%s_div", clk_name0);
+
+ clk = clk_register_mux(NULL, mux_name, parents, 4, 0,
+ clk_ctrl, 4, 2, 0, lock);
+
+ clk = clk_register_divider(NULL, div_name, mux_name, 0, clk_ctrl, 8, 6,
+ CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, lock);
+
+ clks[clk0] = clk_register_gate(NULL, clk_name0, div_name,
+ CLK_SET_RATE_PARENT, clk_ctrl, 0, 0, lock);
+ if (two_gates)
+ clks[clk1] = clk_register_gate(NULL, clk_name1, div_name,
+ CLK_SET_RATE_PARENT, clk_ctrl, 1, 0, lock);
+
+ kfree(mux_name);
+ kfree(div_name);
+
+ return;
+
+err:
+ clks[clk0] = ERR_PTR(-ENOMEM);
+ if (two_gates)
+ clks[clk1] = ERR_PTR(-ENOMEM);
+}
+
+static void __init zynq_clk_setup(struct device_node *np)
+{
+ int i;
+ u32 tmp;
+ int ret;
+ struct clk *clk;
+ char *clk_name;
+ const char *clk_output_name[clk_max];
+ const char *cpu_parents[4];
+ const char *periph_parents[4];
+ const char *swdt_ext_clk_mux_parents[2];
+ const char *can_mio_mux_parents[NUM_MIO_PINS];
+
+ pr_info("Zynq clock init\n");
+
+ /* get clock output names from DT */
+ for (i = 0; i < clk_max; i++) {
+ if (of_property_read_string_index(np, "clock-output-names",
+ i, &clk_output_name[i])) {
+ pr_err("%s: clock output name not in DT\n", __func__);
+ BUG();
+ }
+ }
+ cpu_parents[0] = clk_output_name[armpll];
+ cpu_parents[1] = clk_output_name[armpll];
+ cpu_parents[2] = clk_output_name[ddrpll];
+ cpu_parents[3] = clk_output_name[iopll];
+ periph_parents[0] = clk_output_name[iopll];
+ periph_parents[1] = clk_output_name[iopll];
+ periph_parents[2] = clk_output_name[armpll];
+ periph_parents[3] = clk_output_name[ddrpll];
+
+ /* ps_clk */
+ ret = of_property_read_u32(np, "ps-clk-frequency", &tmp);
+ if (ret) {
+ pr_warn("ps_clk frequency not specified, using 33 MHz.\n");
+ tmp = 33333333;
+ }
+ ps_clk = clk_register_fixed_rate(NULL, "ps_clk", NULL, CLK_IS_ROOT,
+ tmp);
+
+ /* PLLs */
+ clk = clk_register_zynq_pll("armpll_int", "ps_clk", SLCR_ARMPLL_CTRL,
+ SLCR_PLL_STATUS, 0, &armpll_lock);
+ clks[armpll] = clk_register_mux(NULL, clk_output_name[armpll],
+ armpll_parents, 2, 0, SLCR_ARMPLL_CTRL, 4, 1, 0,
+ &armpll_lock);
+
+ clk = clk_register_zynq_pll("ddrpll_int", "ps_clk", SLCR_DDRPLL_CTRL,
+ SLCR_PLL_STATUS, 1, &ddrpll_lock);
+ clks[ddrpll] = clk_register_mux(NULL, clk_output_name[ddrpll],
+ ddrpll_parents, 2, 0, SLCR_DDRPLL_CTRL, 4, 1, 0,
+ &ddrpll_lock);
+
+ clk = clk_register_zynq_pll("iopll_int", "ps_clk", SLCR_IOPLL_CTRL,
+ SLCR_PLL_STATUS, 2, &iopll_lock);
+ clks[iopll] = clk_register_mux(NULL, clk_output_name[iopll],
+ iopll_parents, 2, 0, SLCR_IOPLL_CTRL, 4, 1, 0,
+ &iopll_lock);
+
+ /* CPU clocks */
+ tmp = readl(SLCR_621_TRUE) & 1;
+ clk = clk_register_mux(NULL, "cpu_mux", cpu_parents, 4, 0,
+ SLCR_ARM_CLK_CTRL, 4, 2, 0, &armclk_lock);
+ clk = clk_register_divider(NULL, "cpu_div", "cpu_mux", 0,
+ SLCR_ARM_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO, &armclk_lock);
+
+ clks[cpu_6or4x] = clk_register_gate(NULL, clk_output_name[cpu_6or4x],
+ "cpu_div", CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
+ SLCR_ARM_CLK_CTRL, 24, 0, &armclk_lock);
+
+ clk = clk_register_fixed_factor(NULL, "cpu_3or2x_div", "cpu_div", 0,
+ 1, 2);
+ clks[cpu_3or2x] = clk_register_gate(NULL, clk_output_name[cpu_3or2x],
+ "cpu_3or2x_div", CLK_IGNORE_UNUSED,
+ SLCR_ARM_CLK_CTRL, 25, 0, &armclk_lock);
+
+ clk = clk_register_fixed_factor(NULL, "cpu_2x_div", "cpu_div", 0, 1,
+ 2 + tmp);
+ clks[cpu_2x] = clk_register_gate(NULL, clk_output_name[cpu_2x],
+ "cpu_2x_div", CLK_IGNORE_UNUSED, SLCR_ARM_CLK_CTRL,
+ 26, 0, &armclk_lock);
+
+ clk = clk_register_fixed_factor(NULL, "cpu_1x_div", "cpu_div", 0, 1,
+ 4 + 2 * tmp);
+ clks[cpu_1x] = clk_register_gate(NULL, clk_output_name[cpu_1x],
+ "cpu_1x_div", CLK_IGNORE_UNUSED, SLCR_ARM_CLK_CTRL, 27,
+ 0, &armclk_lock);
+
+ /* Timers */
+ swdt_ext_clk_mux_parents[0] = clk_output_name[cpu_1x];
+ for (i = 0; i < ARRAY_SIZE(swdt_ext_clk_input_names); i++) {
+ int idx = of_property_match_string(np, "clock-names",
+ swdt_ext_clk_input_names[i]);
+ if (idx >= 0)
+ swdt_ext_clk_mux_parents[i + 1] =
+ of_clk_get_parent_name(np, idx);
+ else
+ swdt_ext_clk_mux_parents[i + 1] = dummy_nm;
+ }
+ clks[swdt] = clk_register_mux(NULL, clk_output_name[swdt],
+ swdt_ext_clk_mux_parents, 2, CLK_SET_RATE_PARENT,
+ SLCR_SWDT_CLK_SEL, 0, 1, 0, &gem0clk_lock);
+
+ /* DDR clocks */
+ clk = clk_register_divider(NULL, "ddr2x_div", "ddrpll", 0,
+ SLCR_DDR_CLK_CTRL, 26, 6, CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO, &ddrclk_lock);
+ clks[ddr2x] = clk_register_gate(NULL, clk_output_name[ddr2x],
+ "ddr2x_div", 0, SLCR_DDR_CLK_CTRL, 1, 0, &ddrclk_lock);
+ clk_prepare_enable(clks[ddr2x]);
+ clk = clk_register_divider(NULL, "ddr3x_div", "ddrpll", 0,
+ SLCR_DDR_CLK_CTRL, 20, 6, CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO, &ddrclk_lock);
+ clks[ddr3x] = clk_register_gate(NULL, clk_output_name[ddr3x],
+ "ddr3x_div", 0, SLCR_DDR_CLK_CTRL, 0, 0, &ddrclk_lock);
+ clk_prepare_enable(clks[ddr3x]);
+
+ clk = clk_register_divider(NULL, "dci_div0", "ddrpll", 0,
+ SLCR_DCI_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO, &dciclk_lock);
+ clk = clk_register_divider(NULL, "dci_div1", "dci_div0",
+ CLK_SET_RATE_PARENT, SLCR_DCI_CLK_CTRL, 20, 6,
+ CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
+ &dciclk_lock);
+ clks[dci] = clk_register_gate(NULL, clk_output_name[dci], "dci_div1",
+ CLK_SET_RATE_PARENT, SLCR_DCI_CLK_CTRL, 0, 0,
+ &dciclk_lock);
+ clk_prepare_enable(clks[dci]);
+
+ /* Peripheral clocks */
+ for (i = fclk0; i <= fclk3; i++)
+ zynq_clk_register_fclk(i, clk_output_name[i],
+ SLCR_FPGA0_CLK_CTRL + 0x10 * (i - fclk0),
+ periph_parents);
+
+ zynq_clk_register_periph_clk(lqspi, 0, clk_output_name[lqspi], NULL,
+ SLCR_LQSPI_CLK_CTRL, periph_parents, 0);
+
+ zynq_clk_register_periph_clk(smc, 0, clk_output_name[smc], NULL,
+ SLCR_SMC_CLK_CTRL, periph_parents, 0);
+
+ zynq_clk_register_periph_clk(pcap, 0, clk_output_name[pcap], NULL,
+ SLCR_PCAP_CLK_CTRL, periph_parents, 0);
+
+ zynq_clk_register_periph_clk(sdio0, sdio1, clk_output_name[sdio0],
+ clk_output_name[sdio1], SLCR_SDIO_CLK_CTRL,
+ periph_parents, 1);
+
+ zynq_clk_register_periph_clk(uart0, uart1, clk_output_name[uart0],
+ clk_output_name[uart1], SLCR_UART_CLK_CTRL,
+ periph_parents, 1);
+
+ zynq_clk_register_periph_clk(spi0, spi1, clk_output_name[spi0],
+ clk_output_name[spi1], SLCR_SPI_CLK_CTRL,
+ periph_parents, 1);
+
+ for (i = 0; i < ARRAY_SIZE(gem0_emio_input_names); i++) {
+ int idx = of_property_match_string(np, "clock-names",
+ gem0_emio_input_names[i]);
+ if (idx >= 0)
+ gem0_mux_parents[i + 1] = of_clk_get_parent_name(np,
+ idx);
+ }
+ clk = clk_register_mux(NULL, "gem0_mux", periph_parents, 4, 0,
+ SLCR_GEM0_CLK_CTRL, 4, 2, 0, &gem0clk_lock);
+ clk = clk_register_divider(NULL, "gem0_div0", "gem0_mux", 0,
+ SLCR_GEM0_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO, &gem0clk_lock);
+ clk = clk_register_divider(NULL, "gem0_div1", "gem0_div0",
+ CLK_SET_RATE_PARENT, SLCR_GEM0_CLK_CTRL, 20, 6,
+ CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
+ &gem0clk_lock);
+ clk = clk_register_mux(NULL, "gem0_emio_mux", gem0_mux_parents, 2, 0,
+ SLCR_GEM0_CLK_CTRL, 6, 1, 0, &gem0clk_lock);
+ clks[gem0] = clk_register_gate(NULL, clk_output_name[gem0],
+ "gem0_emio_mux", CLK_SET_RATE_PARENT,
+ SLCR_GEM0_CLK_CTRL, 0, 0, &gem0clk_lock);
+
+ for (i = 0; i < ARRAY_SIZE(gem1_emio_input_names); i++) {
+ int idx = of_property_match_string(np, "clock-names",
+ gem1_emio_input_names[i]);
+ if (idx >= 0)
+ gem1_mux_parents[i + 1] = of_clk_get_parent_name(np,
+ idx);
+ }
+ clk = clk_register_mux(NULL, "gem1_mux", periph_parents, 4, 0,
+ SLCR_GEM1_CLK_CTRL, 4, 2, 0, &gem1clk_lock);
+ clk = clk_register_divider(NULL, "gem1_div0", "gem1_mux", 0,
+ SLCR_GEM1_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO, &gem1clk_lock);
+ clk = clk_register_divider(NULL, "gem1_div1", "gem1_div0",
+ CLK_SET_RATE_PARENT, SLCR_GEM1_CLK_CTRL, 20, 6,
+ CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
+ &gem1clk_lock);
+ clk = clk_register_mux(NULL, "gem1_emio_mux", gem1_mux_parents, 2, 0,
+ SLCR_GEM1_CLK_CTRL, 6, 1, 0, &gem1clk_lock);
+ clks[gem1] = clk_register_gate(NULL, clk_output_name[gem1],
+ "gem1_emio_mux", CLK_SET_RATE_PARENT,
+ SLCR_GEM1_CLK_CTRL, 0, 0, &gem1clk_lock);
+
+ tmp = strlen("mio_clk_00x");
+ clk_name = kmalloc(tmp, GFP_KERNEL);
+ for (i = 0; i < NUM_MIO_PINS; i++) {
+ int idx;
+
+ snprintf(clk_name, tmp, "mio_clk_%2.2d", i);
+ idx = of_property_match_string(np, "clock-names", clk_name);
+ if (idx >= 0)
+ can_mio_mux_parents[i] = of_clk_get_parent_name(np,
+ idx);
+ else
+ can_mio_mux_parents[i] = dummy_nm;
+ }
+ kfree(clk_name);
+ clk = clk_register_mux(NULL, "can_mux", periph_parents, 4, 0,
+ SLCR_CAN_CLK_CTRL, 4, 2, 0, &canclk_lock);
+ clk = clk_register_divider(NULL, "can_div0", "can_mux", 0,
+ SLCR_CAN_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO, &canclk_lock);
+ clk = clk_register_divider(NULL, "can_div1", "can_div0",
+ CLK_SET_RATE_PARENT, SLCR_CAN_CLK_CTRL, 20, 6,
+ CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
+ &canclk_lock);
+ clk = clk_register_gate(NULL, "can0_gate", "can_div1",
+ CLK_SET_RATE_PARENT, SLCR_CAN_CLK_CTRL, 0, 0,
+ &canclk_lock);
+ clk = clk_register_gate(NULL, "can1_gate", "can_div1",
+ CLK_SET_RATE_PARENT, SLCR_CAN_CLK_CTRL, 1, 0,
+ &canclk_lock);
+ clk = clk_register_mux(NULL, "can0_mio_mux",
+ can_mio_mux_parents, 54, CLK_SET_RATE_PARENT,
+ SLCR_CAN_MIOCLK_CTRL, 0, 6, 0, &canmioclk_lock);
+ clk = clk_register_mux(NULL, "can1_mio_mux",
+ can_mio_mux_parents, 54, CLK_SET_RATE_PARENT,
+ SLCR_CAN_MIOCLK_CTRL, 16, 6, 0, &canmioclk_lock);
+ clks[can0] = clk_register_mux(NULL, clk_output_name[can0],
+ can0_mio_mux2_parents, 2, CLK_SET_RATE_PARENT,
+ SLCR_CAN_MIOCLK_CTRL, 6, 1, 0, &canmioclk_lock);
+ clks[can1] = clk_register_mux(NULL, clk_output_name[can1],
+ can1_mio_mux2_parents, 2, CLK_SET_RATE_PARENT,
+ SLCR_CAN_MIOCLK_CTRL, 22, 1, 0, &canmioclk_lock);
+
+ for (i = 0; i < ARRAY_SIZE(dbgtrc_emio_input_names); i++) {
+ int idx = of_property_match_string(np, "clock-names",
+ dbgtrc_emio_input_names[i]);
+ if (idx >= 0)
+ dbg_emio_mux_parents[i + 1] = of_clk_get_parent_name(np,
+ idx);
+ }
+ clk = clk_register_mux(NULL, "dbg_mux", periph_parents, 4, 0,
+ SLCR_DBG_CLK_CTRL, 4, 2, 0, &dbgclk_lock);
+ clk = clk_register_divider(NULL, "dbg_div", "dbg_mux", 0,
+ SLCR_DBG_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO, &dbgclk_lock);
+ clk = clk_register_mux(NULL, "dbg_emio_mux", dbg_emio_mux_parents, 2, 0,
+ SLCR_DBG_CLK_CTRL, 6, 1, 0, &dbgclk_lock);
+ clks[dbg_trc] = clk_register_gate(NULL, clk_output_name[dbg_trc],
+ "dbg_emio_mux", CLK_SET_RATE_PARENT, SLCR_DBG_CLK_CTRL,
+ 0, 0, &dbgclk_lock);
+ clks[dbg_apb] = clk_register_gate(NULL, clk_output_name[dbg_apb],
+ clk_output_name[cpu_1x], 0, SLCR_DBG_CLK_CTRL, 1, 0,
+ &dbgclk_lock);
+
+ /* One gated clock for all APER clocks. */
+ clks[dma] = clk_register_gate(NULL, clk_output_name[dma],
+ clk_output_name[cpu_2x], 0, SLCR_APER_CLK_CTRL, 0, 0,
+ &aperclk_lock);
+ clks[usb0_aper] = clk_register_gate(NULL, clk_output_name[usb0_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 2, 0,
+ &aperclk_lock);
+ clks[usb1_aper] = clk_register_gate(NULL, clk_output_name[usb1_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 3, 0,
+ &aperclk_lock);
+ clks[gem0_aper] = clk_register_gate(NULL, clk_output_name[gem0_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 6, 0,
+ &aperclk_lock);
+ clks[gem1_aper] = clk_register_gate(NULL, clk_output_name[gem1_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 7, 0,
+ &aperclk_lock);
+ clks[sdio0_aper] = clk_register_gate(NULL, clk_output_name[sdio0_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 10, 0,
+ &aperclk_lock);
+ clks[sdio1_aper] = clk_register_gate(NULL, clk_output_name[sdio1_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 11, 0,
+ &aperclk_lock);
+ clks[spi0_aper] = clk_register_gate(NULL, clk_output_name[spi0_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 14, 0,
+ &aperclk_lock);
+ clks[spi1_aper] = clk_register_gate(NULL, clk_output_name[spi1_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 15, 0,
+ &aperclk_lock);
+ clks[can0_aper] = clk_register_gate(NULL, clk_output_name[can0_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 16, 0,
+ &aperclk_lock);
+ clks[can1_aper] = clk_register_gate(NULL, clk_output_name[can1_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 17, 0,
+ &aperclk_lock);
+ clks[i2c0_aper] = clk_register_gate(NULL, clk_output_name[i2c0_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 18, 0,
+ &aperclk_lock);
+ clks[i2c1_aper] = clk_register_gate(NULL, clk_output_name[i2c1_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 19, 0,
+ &aperclk_lock);
+ clks[uart0_aper] = clk_register_gate(NULL, clk_output_name[uart0_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 20, 0,
+ &aperclk_lock);
+ clks[uart1_aper] = clk_register_gate(NULL, clk_output_name[uart1_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 21, 0,
+ &aperclk_lock);
+ clks[gpio_aper] = clk_register_gate(NULL, clk_output_name[gpio_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 22, 0,
+ &aperclk_lock);
+ clks[lqspi_aper] = clk_register_gate(NULL, clk_output_name[lqspi_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 23, 0,
+ &aperclk_lock);
+ clks[smc_aper] = clk_register_gate(NULL, clk_output_name[smc_aper],
+ clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 24, 0,
+ &aperclk_lock);
+
+ for (i = 0; i < ARRAY_SIZE(clks); i++) {
+ if (IS_ERR(clks[i])) {
+ pr_err("Zynq clk %d: register failed with %ld\n",
+ i, PTR_ERR(clks[i]));
+ BUG();
+ }
+ }
+
+ clk_data.clks = clks;
+ clk_data.clk_num = ARRAY_SIZE(clks);
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+}
+
+CLK_OF_DECLARE(zynq_clkc, "xlnx,ps7-clkc", zynq_clk_setup);
+
+void __init zynq_clock_init(void __iomem *slcr_base)
+{
+ zynq_slcr_base_priv = slcr_base;
+ of_clk_init(NULL);
+}
diff --git a/drivers/clk/zynq/pll.c b/drivers/clk/zynq/pll.c
new file mode 100644
index 000000000000..47e307c25a7b
--- /dev/null
+++ b/drivers/clk/zynq/pll.c
@@ -0,0 +1,235 @@
+/*
+ * Zynq PLL driver
+ *
+ * Copyright (C) 2013 Xilinx
+ *
+ * Sören Brinkmann <soren.brinkmann@xilinx.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include <linux/clk/zynq.h>
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+
+/**
+ * struct zynq_pll
+ * @hw: Handle between common and hardware-specific interfaces
+ * @pll_ctrl: PLL control register
+ * @pll_status: PLL status register
+ * @lock: Register lock
+ * @lockbit: Indicates the associated PLL_LOCKED bit in the PLL status
+ * register.
+ */
+struct zynq_pll {
+ struct clk_hw hw;
+ void __iomem *pll_ctrl;
+ void __iomem *pll_status;
+ spinlock_t *lock;
+ u8 lockbit;
+};
+#define to_zynq_pll(_hw) container_of(_hw, struct zynq_pll, hw)
+
+/* Register bitfield defines */
+#define PLLCTRL_FBDIV_MASK 0x7f000
+#define PLLCTRL_FBDIV_SHIFT 12
+#define PLLCTRL_BPQUAL_MASK (1 << 3)
+#define PLLCTRL_PWRDWN_MASK 2
+#define PLLCTRL_PWRDWN_SHIFT 1
+#define PLLCTRL_RESET_MASK 1
+#define PLLCTRL_RESET_SHIFT 0
+
+/**
+ * zynq_pll_round_rate() - Round a clock frequency
+ * @hw: Handle between common and hardware-specific interfaces
+ * @rate: Desired clock frequency
+ * @prate: Clock frequency of parent clock
+ * Returns frequency closest to @rate the hardware can generate.
+ */
+static long zynq_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ u32 fbdiv;
+
+ fbdiv = DIV_ROUND_CLOSEST(rate, *prate);
+ if (fbdiv < 13)
+ fbdiv = 13;
+ else if (fbdiv > 66)
+ fbdiv = 66;
+
+ return *prate * fbdiv;
+}
+
+/**
+ * zynq_pll_recalc_rate() - Recalculate clock frequency
+ * @hw: Handle between common and hardware-specific interfaces
+ * @parent_rate: Clock frequency of parent clock
+ * Returns current clock frequency.
+ */
+static unsigned long zynq_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct zynq_pll *clk = to_zynq_pll(hw);
+ u32 fbdiv;
+
+ /*
+ * makes probably sense to redundantly save fbdiv in the struct
+ * zynq_pll to save the IO access.
+ */
+ fbdiv = (readl(clk->pll_ctrl) & PLLCTRL_FBDIV_MASK) >>
+ PLLCTRL_FBDIV_SHIFT;
+
+ return parent_rate * fbdiv;
+}
+
+/**
+ * zynq_pll_is_enabled - Check if a clock is enabled
+ * @hw: Handle between common and hardware-specific interfaces
+ * Returns 1 if the clock is enabled, 0 otherwise.
+ *
+ * Not sure this is a good idea, but since disabled means bypassed for
+ * this clock implementation we say we are always enabled.
+ */
+static int zynq_pll_is_enabled(struct clk_hw *hw)
+{
+ unsigned long flags = 0;
+ u32 reg;
+ struct zynq_pll *clk = to_zynq_pll(hw);
+
+ spin_lock_irqsave(clk->lock, flags);
+
+ reg = readl(clk->pll_ctrl);
+
+ spin_unlock_irqrestore(clk->lock, flags);
+
+ return !(reg & (PLLCTRL_RESET_MASK | PLLCTRL_PWRDWN_MASK));
+}
+
+/**
+ * zynq_pll_enable - Enable clock
+ * @hw: Handle between common and hardware-specific interfaces
+ * Returns 0 on success
+ */
+static int zynq_pll_enable(struct clk_hw *hw)
+{
+ unsigned long flags = 0;
+ u32 reg;
+ struct zynq_pll *clk = to_zynq_pll(hw);
+
+ if (zynq_pll_is_enabled(hw))
+ return 0;
+
+ pr_info("PLL: enable\n");
+
+ /* Power up PLL and wait for lock */
+ spin_lock_irqsave(clk->lock, flags);
+
+ reg = readl(clk->pll_ctrl);
+ reg &= ~(PLLCTRL_RESET_MASK | PLLCTRL_PWRDWN_MASK);
+ writel(reg, clk->pll_ctrl);
+ while (!(readl(clk->pll_status) & (1 << clk->lockbit)))
+ ;
+
+ spin_unlock_irqrestore(clk->lock, flags);
+
+ return 0;
+}
+
+/**
+ * zynq_pll_disable - Disable clock
+ * @hw: Handle between common and hardware-specific interfaces
+ * Returns 0 on success
+ */
+static void zynq_pll_disable(struct clk_hw *hw)
+{
+ unsigned long flags = 0;
+ u32 reg;
+ struct zynq_pll *clk = to_zynq_pll(hw);
+
+ if (!zynq_pll_is_enabled(hw))
+ return;
+
+ pr_info("PLL: shutdown\n");
+
+ /* shut down PLL */
+ spin_lock_irqsave(clk->lock, flags);
+
+ reg = readl(clk->pll_ctrl);
+ reg |= PLLCTRL_RESET_MASK | PLLCTRL_PWRDWN_MASK;
+ writel(reg, clk->pll_ctrl);
+
+ spin_unlock_irqrestore(clk->lock, flags);
+}
+
+static const struct clk_ops zynq_pll_ops = {
+ .enable = zynq_pll_enable,
+ .disable = zynq_pll_disable,
+ .is_enabled = zynq_pll_is_enabled,
+ .round_rate = zynq_pll_round_rate,
+ .recalc_rate = zynq_pll_recalc_rate
+};
+
+/**
+ * clk_register_zynq_pll() - Register PLL with the clock framework
+ * @np Pointer to the DT device node
+ */
+struct clk *clk_register_zynq_pll(const char *name, const char *parent,
+ void __iomem *pll_ctrl, void __iomem *pll_status, u8 lock_index,
+ spinlock_t *lock)
+{
+ struct zynq_pll *pll;
+ struct clk *clk;
+ u32 reg;
+ const char *parent_arr[1] = {parent};
+ unsigned long flags = 0;
+ struct clk_init_data initd = {
+ .name = name,
+ .parent_names = parent_arr,
+ .ops = &zynq_pll_ops,
+ .num_parents = 1,
+ .flags = 0
+ };
+
+ pll = kmalloc(sizeof(*pll), GFP_KERNEL);
+ if (!pll) {
+ pr_err("%s: Could not allocate Zynq PLL clk.\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ /* Populate the struct */
+ pll->hw.init = &initd;
+ pll->pll_ctrl = pll_ctrl;
+ pll->pll_status = pll_status;
+ pll->lockbit = lock_index;
+ pll->lock = lock;
+
+ spin_lock_irqsave(pll->lock, flags);
+
+ reg = readl(pll->pll_ctrl);
+ reg &= ~PLLCTRL_BPQUAL_MASK;
+ writel(reg, pll->pll_ctrl);
+
+ spin_unlock_irqrestore(pll->lock, flags);
+
+ clk = clk_register(NULL, &pll->hw);
+ if (WARN_ON(IS_ERR(clk)))
+ goto free_pll;
+
+ return clk;
+
+free_pll:
+ kfree(pll);
+
+ return clk;
+}