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authorTom Rini <trini@konsulko.com>2019-11-12 15:18:23 +0300
committerTom Rini <trini@konsulko.com>2019-11-12 15:18:23 +0300
commit5f7ff6d63eeb81ad2c071ff5f5adae5bcc94f7a4 (patch)
treeeb3707f7e5b4ae1d0f3094cc8814ef8bc389aa8c /drivers
parenta965a8b904093c9e6790d0460d18a144cefa5e42 (diff)
parentbdcf3a88cc582ce8bb9ea024fa917d9a52e05479 (diff)
downloadu-boot-5f7ff6d63eeb81ad2c071ff5f5adae5bcc94f7a4.tar.xz
Merge tag 'u-boot-imx-20191105' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx
u-boot-imx-20191105 ------------------- i.MX8MN SoC support ROM API image download support i.MX8MM enet enabling
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/imx/Kconfig16
-rw-r--r--drivers/clk/imx/Makefile2
-rw-r--r--drivers/clk/imx/clk-imx8mm.c46
-rw-r--r--drivers/clk/imx/clk-imx8mn.c415
-rw-r--r--drivers/misc/imx8/scu.c46
-rw-r--r--drivers/net/Kconfig2
-rw-r--r--drivers/net/fec_mxc.c79
-rw-r--r--drivers/net/fec_mxc.h4
-rw-r--r--drivers/pinctrl/nxp/pinctrl-imx8m.c1
-rw-r--r--drivers/power/domain/Makefile2
-rw-r--r--drivers/power/domain/imx8-power-domain-legacy.c315
-rw-r--r--drivers/power/domain/imx8-power-domain.c270
12 files changed, 893 insertions, 305 deletions
diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index aae69cf9b0..0ba8bc9f63 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -36,3 +36,19 @@ config CLK_IMX8MM
select CLK_CCF
help
This enables support clock driver for i.MX8MM platforms.
+
+config SPL_CLK_IMX8MN
+ bool "SPL clock support for i.MX8MN"
+ depends on ARCH_IMX8M && SPL
+ select SPL_CLK
+ select SPL_CLK_CCF
+ help
+ This enables SPL DM/DTS support for clock driver in i.MX8MN
+
+config CLK_IMX8MN
+ bool "Clock support for i.MX8MN"
+ depends on ARCH_IMX8M
+ select CLK
+ select CLK_CCF
+ help
+ This enables support clock driver for i.MX8MN platforms.
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index 5ad7967fe9..222c5a4e08 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -12,3 +12,5 @@ obj-$(CONFIG_IMX8QM) += clk-imx8qm.o
endif
obj-$(CONFIG_$(SPL_TPL_)CLK_IMX8MM) += clk-imx8mm.o clk-pll14xx.o \
clk-composite-8m.o
+obj-$(CONFIG_$(SPL_TPL_)CLK_IMX8MN) += clk-imx8mn.o clk-pll14xx.o \
+ clk-composite-8m.o
diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c
index f4913e70ab..091b092bbb 100644
--- a/drivers/clk/imx/clk-imx8mm.c
+++ b/drivers/clk/imx/clk-imx8mm.c
@@ -80,6 +80,17 @@ static const char *imx8mm_ahb_sels[] = {"osc_24m", "sys_pll1_133m", "sys_pll1_80
static const char *imx8mm_enet_axi_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_250m",
"sys_pll2_200m", "audio_pll1_out", "video_pll1_out", "sys_pll3_out", };
+#ifndef CONFIG_SPL_BUILD
+static const char *imx8mm_enet_ref_sels[] = {"clock-osc-24m", "sys_pll2_125m", "sys_pll2_50m", "sys_pll2_100m",
+ "sys_pll1_160m", "audio_pll1_out", "video_pll1_out", "clk_ext4", };
+
+static const char *imx8mm_enet_timer_sels[] = {"clock-osc-24m", "sys_pll2_100m", "audio_pll1_out", "clk_ext1", "clk_ext2",
+ "clk_ext3", "clk_ext4", "video_pll1_out", };
+
+static const char *imx8mm_enet_phy_sels[] = {"clock-osc-24m", "sys_pll2_50m", "sys_pll2_125m", "sys_pll2_200m",
+ "sys_pll2_500m", "video_pll1_out", "audio_pll2_out", };
+#endif
+
static const char *imx8mm_nand_usdhc_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_200m",
"sys_pll1_133m", "sys_pll3_out", "sys_pll2_250m", "audio_pll1_out", };
@@ -164,11 +175,30 @@ static int imx8mm_clk_enable(struct clk *clk)
return __imx8mm_clk_enable(clk, 1);
}
+static int imx8mm_clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ struct clk *c, *cp;
+ int ret;
+
+ debug("%s(#%lu), parent: %lu\n", __func__, clk->id, parent->id);
+
+ ret = clk_get_by_id(clk->id, &c);
+ if (ret)
+ return ret;
+
+ ret = clk_get_by_id(parent->id, &cp);
+ if (ret)
+ return ret;
+
+ return clk_set_parent(c, cp);
+}
+
static struct clk_ops imx8mm_clk_ops = {
.set_rate = imx8mm_clk_set_rate,
.get_rate = imx8mm_clk_get_rate,
.enable = imx8mm_clk_enable,
.disable = imx8mm_clk_disable,
+ .set_parent = imx8mm_clk_set_parent,
};
static int imx8mm_clk_probe(struct udevice *dev)
@@ -363,6 +393,22 @@ static int imx8mm_clk_probe(struct udevice *dev)
clk_dm(IMX8MM_CLK_USDHC3_ROOT,
imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0));
+ /* clks not needed in SPL stage */
+#ifndef CONFIG_SPL_BUILD
+ clk_dm(IMX8MM_CLK_ENET_REF,
+ imx8m_clk_composite("enet_ref", imx8mm_enet_ref_sels,
+ base + 0xa980));
+ clk_dm(IMX8MM_CLK_ENET_TIMER,
+ imx8m_clk_composite("enet_timer", imx8mm_enet_timer_sels,
+ base + 0xaa00));
+ clk_dm(IMX8MM_CLK_ENET_PHY_REF,
+ imx8m_clk_composite("enet_phy", imx8mm_enet_phy_sels,
+ base + 0xaa80));
+ clk_dm(IMX8MM_CLK_ENET1_ROOT,
+ imx_clk_gate4("enet1_root_clk", "enet_axi",
+ base + 0x40a0, 0));
+#endif
+
#ifdef CONFIG_SPL_BUILD
struct clk *clkp, *clkp1;
diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c
new file mode 100644
index 0000000000..4048cc63cc
--- /dev/null
+++ b/drivers/clk/imx/clk-imx8mn.c
@@ -0,0 +1,415 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 NXP
+ * Peng Fan <peng.fan@nxp.com>
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <dt-bindings/clock/imx8mn-clock.h>
+
+#include "clk.h"
+
+#define PLL_1416X_RATE(_rate, _m, _p, _s) \
+ { \
+ .rate = (_rate), \
+ .mdiv = (_m), \
+ .pdiv = (_p), \
+ .sdiv = (_s), \
+ }
+
+#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \
+ { \
+ .rate = (_rate), \
+ .mdiv = (_m), \
+ .pdiv = (_p), \
+ .sdiv = (_s), \
+ .kdiv = (_k), \
+ }
+
+static const struct imx_pll14xx_rate_table imx8mn_pll1416x_tbl[] = {
+ PLL_1416X_RATE(1800000000U, 225, 3, 0),
+ PLL_1416X_RATE(1600000000U, 200, 3, 0),
+ PLL_1416X_RATE(1200000000U, 300, 3, 1),
+ PLL_1416X_RATE(1000000000U, 250, 3, 1),
+ PLL_1416X_RATE(800000000U, 200, 3, 1),
+ PLL_1416X_RATE(750000000U, 250, 2, 2),
+ PLL_1416X_RATE(700000000U, 350, 3, 2),
+ PLL_1416X_RATE(600000000U, 300, 3, 2),
+};
+
+static const struct imx_pll14xx_rate_table imx8mn_drampll_tbl[] = {
+ PLL_1443X_RATE(650000000U, 325, 3, 2, 0),
+};
+
+static struct imx_pll14xx_clk imx8mn_dram_pll __initdata = {
+ .type = PLL_1443X,
+ .rate_table = imx8mn_drampll_tbl,
+ .rate_count = ARRAY_SIZE(imx8mn_drampll_tbl),
+};
+
+static struct imx_pll14xx_clk imx8mn_arm_pll __initdata = {
+ .type = PLL_1416X,
+ .rate_table = imx8mn_pll1416x_tbl,
+ .rate_count = ARRAY_SIZE(imx8mn_pll1416x_tbl),
+};
+
+static struct imx_pll14xx_clk imx8mn_sys_pll __initdata = {
+ .type = PLL_1416X,
+ .rate_table = imx8mn_pll1416x_tbl,
+ .rate_count = ARRAY_SIZE(imx8mn_pll1416x_tbl),
+};
+
+static const char *pll_ref_sels[] = { "clock-osc-24m", "dummy", "dummy", "dummy", };
+static const char *dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", };
+static const char *arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", };
+static const char *sys_pll1_bypass_sels[] = {"sys_pll1", "sys_pll1_ref_sel", };
+static const char *sys_pll2_bypass_sels[] = {"sys_pll2", "sys_pll2_ref_sel", };
+static const char *sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", };
+
+static const char *imx8mn_a53_sels[] = {"clock-osc-24m", "arm_pll_out", "sys_pll2_500m", "sys_pll2_1000m",
+ "sys_pll1_800m", "sys_pll1_400m", "audio_pll1_out", "sys_pll3_out", };
+
+static const char *imx8mn_ahb_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_800m", "sys_pll1_400m",
+ "sys_pll2_125m", "sys_pll3_out", "audio_pll1_out", "video_pll1_out", };
+
+static const char *imx8mn_enet_axi_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_250m",
+ "sys_pll2_200m", "audio_pll1_out", "video_pll1_out", "sys_pll3_out", };
+
+static const char *imx8mn_nand_usdhc_sels[] = {"clock-osc-24m", "sys_pll1_266m", "sys_pll1_800m", "sys_pll2_200m",
+ "sys_pll1_133m", "sys_pll3_out", "sys_pll2_250m", "audio_pll1_out", };
+
+static const char *imx8mn_usdhc1_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
+ "sys_pll3_out", "sys_pll1_266m", "audio_pll2_out", "sys_pll1_100m", };
+
+static const char *imx8mn_usdhc2_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
+ "sys_pll3_out", "sys_pll1_266m", "audio_pll2_out", "sys_pll1_100m", };
+
+static const char *imx8mn_i2c1_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
+ "video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mn_i2c2_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
+ "video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mn_i2c3_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
+ "video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mn_i2c4_sels[] = {"clock-osc-24m", "sys_pll1_160m", "sys_pll2_50m", "sys_pll3_out", "audio_pll1_out",
+ "video_pll1_out", "audio_pll2_out", "sys_pll1_133m", };
+
+static const char *imx8mn_wdog_sels[] = {"clock-osc-24m", "sys_pll1_133m", "sys_pll1_160m", "vpu_pll_out",
+ "sys_pll2_125m", "sys_pll3_out", "sys_pll1_80m", "sys_pll2_166m", };
+
+static const char *imx8mn_usdhc3_sels[] = {"clock-osc-24m", "sys_pll1_400m", "sys_pll1_800m", "sys_pll2_500m",
+ "sys_pll3_out", "sys_pll1_266m", "audio_pll2_clk", "sys_pll1_100m", };
+
+static ulong imx8mn_clk_get_rate(struct clk *clk)
+{
+ struct clk *c;
+ int ret;
+
+ debug("%s(#%lu)\n", __func__, clk->id);
+
+ ret = clk_get_by_id(clk->id, &c);
+ if (ret)
+ return ret;
+
+ return clk_get_rate(c);
+}
+
+static ulong imx8mn_clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ struct clk *c;
+ int ret;
+
+ debug("%s(#%lu), rate: %lu\n", __func__, clk->id, rate);
+
+ ret = clk_get_by_id(clk->id, &c);
+ if (ret)
+ return ret;
+
+ return clk_set_rate(c, rate);
+}
+
+static int __imx8mn_clk_enable(struct clk *clk, bool enable)
+{
+ struct clk *c;
+ int ret;
+
+ debug("%s(#%lu) en: %d\n", __func__, clk->id, enable);
+
+ ret = clk_get_by_id(clk->id, &c);
+ if (ret)
+ return ret;
+
+ if (enable)
+ ret = clk_enable(c);
+ else
+ ret = clk_disable(c);
+
+ return ret;
+}
+
+static int imx8mn_clk_disable(struct clk *clk)
+{
+ return __imx8mn_clk_enable(clk, 0);
+}
+
+static int imx8mn_clk_enable(struct clk *clk)
+{
+ return __imx8mn_clk_enable(clk, 1);
+}
+
+static struct clk_ops imx8mn_clk_ops = {
+ .set_rate = imx8mn_clk_set_rate,
+ .get_rate = imx8mn_clk_get_rate,
+ .enable = imx8mn_clk_enable,
+ .disable = imx8mn_clk_disable,
+};
+
+static int imx8mn_clk_probe(struct udevice *dev)
+{
+ void __iomem *base;
+
+ base = (void *)ANATOP_BASE_ADDR;
+
+ clk_dm(IMX8MN_DRAM_PLL_REF_SEL,
+ imx_clk_mux("dram_pll_ref_sel", base + 0x50, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MN_ARM_PLL_REF_SEL,
+ imx_clk_mux("arm_pll_ref_sel", base + 0x84, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MN_SYS_PLL1_REF_SEL,
+ imx_clk_mux("sys_pll1_ref_sel", base + 0x94, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MN_SYS_PLL2_REF_SEL,
+ imx_clk_mux("sys_pll2_ref_sel", base + 0x104, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+ clk_dm(IMX8MN_SYS_PLL3_REF_SEL,
+ imx_clk_mux("sys_pll3_ref_sel", base + 0x114, 0, 2,
+ pll_ref_sels, ARRAY_SIZE(pll_ref_sels)));
+
+ clk_dm(IMX8MN_DRAM_PLL,
+ imx_clk_pll14xx("dram_pll", "dram_pll_ref_sel",
+ base + 0x50, &imx8mn_dram_pll));
+ clk_dm(IMX8MN_ARM_PLL,
+ imx_clk_pll14xx("arm_pll", "arm_pll_ref_sel",
+ base + 0x84, &imx8mn_arm_pll));
+ clk_dm(IMX8MN_SYS_PLL1,
+ imx_clk_pll14xx("sys_pll1", "sys_pll1_ref_sel",
+ base + 0x94, &imx8mn_sys_pll));
+ clk_dm(IMX8MN_SYS_PLL2,
+ imx_clk_pll14xx("sys_pll2", "sys_pll2_ref_sel",
+ base + 0x104, &imx8mn_sys_pll));
+ clk_dm(IMX8MN_SYS_PLL3,
+ imx_clk_pll14xx("sys_pll3", "sys_pll3_ref_sel",
+ base + 0x114, &imx8mn_sys_pll));
+
+ /* PLL bypass out */
+ clk_dm(IMX8MN_DRAM_PLL_BYPASS,
+ imx_clk_mux_flags("dram_pll_bypass", base + 0x50, 4, 1,
+ dram_pll_bypass_sels,
+ ARRAY_SIZE(dram_pll_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MN_ARM_PLL_BYPASS,
+ imx_clk_mux_flags("arm_pll_bypass", base + 0x84, 4, 1,
+ arm_pll_bypass_sels,
+ ARRAY_SIZE(arm_pll_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MN_SYS_PLL1_BYPASS,
+ imx_clk_mux_flags("sys_pll1_bypass", base + 0x94, 4, 1,
+ sys_pll1_bypass_sels,
+ ARRAY_SIZE(sys_pll1_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MN_SYS_PLL2_BYPASS,
+ imx_clk_mux_flags("sys_pll2_bypass", base + 0x104, 4, 1,
+ sys_pll2_bypass_sels,
+ ARRAY_SIZE(sys_pll2_bypass_sels),
+ CLK_SET_RATE_PARENT));
+ clk_dm(IMX8MN_SYS_PLL3_BYPASS,
+ imx_clk_mux_flags("sys_pll3_bypass", base + 0x114, 4, 1,
+ sys_pll3_bypass_sels,
+ ARRAY_SIZE(sys_pll3_bypass_sels),
+ CLK_SET_RATE_PARENT));
+
+ /* PLL out gate */
+ clk_dm(IMX8MN_DRAM_PLL_OUT,
+ imx_clk_gate("dram_pll_out", "dram_pll_bypass",
+ base + 0x50, 13));
+ clk_dm(IMX8MN_ARM_PLL_OUT,
+ imx_clk_gate("arm_pll_out", "arm_pll_bypass",
+ base + 0x84, 11));
+ clk_dm(IMX8MN_SYS_PLL1_OUT,
+ imx_clk_gate("sys_pll1_out", "sys_pll1_bypass",
+ base + 0x94, 11));
+ clk_dm(IMX8MN_SYS_PLL2_OUT,
+ imx_clk_gate("sys_pll2_out", "sys_pll2_bypass",
+ base + 0x104, 11));
+ clk_dm(IMX8MN_SYS_PLL3_OUT,
+ imx_clk_gate("sys_pll3_out", "sys_pll3_bypass",
+ base + 0x114, 11));
+
+ /* SYS PLL fixed output */
+ clk_dm(IMX8MN_SYS_PLL1_40M,
+ imx_clk_fixed_factor("sys_pll1_40m", "sys_pll1_out", 1, 20));
+ clk_dm(IMX8MN_SYS_PLL1_80M,
+ imx_clk_fixed_factor("sys_pll1_80m", "sys_pll1_out", 1, 10));
+ clk_dm(IMX8MN_SYS_PLL1_100M,
+ imx_clk_fixed_factor("sys_pll1_100m", "sys_pll1_out", 1, 8));
+ clk_dm(IMX8MN_SYS_PLL1_133M,
+ imx_clk_fixed_factor("sys_pll1_133m", "sys_pll1_out", 1, 6));
+ clk_dm(IMX8MN_SYS_PLL1_160M,
+ imx_clk_fixed_factor("sys_pll1_160m", "sys_pll1_out", 1, 5));
+ clk_dm(IMX8MN_SYS_PLL1_200M,
+ imx_clk_fixed_factor("sys_pll1_200m", "sys_pll1_out", 1, 4));
+ clk_dm(IMX8MN_SYS_PLL1_266M,
+ imx_clk_fixed_factor("sys_pll1_266m", "sys_pll1_out", 1, 3));
+ clk_dm(IMX8MN_SYS_PLL1_400M,
+ imx_clk_fixed_factor("sys_pll1_400m", "sys_pll1_out", 1, 2));
+ clk_dm(IMX8MN_SYS_PLL1_800M,
+ imx_clk_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1));
+
+ clk_dm(IMX8MN_SYS_PLL2_50M,
+ imx_clk_fixed_factor("sys_pll2_50m", "sys_pll2_out", 1, 20));
+ clk_dm(IMX8MN_SYS_PLL2_100M,
+ imx_clk_fixed_factor("sys_pll2_100m", "sys_pll2_out", 1, 10));
+ clk_dm(IMX8MN_SYS_PLL2_125M,
+ imx_clk_fixed_factor("sys_pll2_125m", "sys_pll2_out", 1, 8));
+ clk_dm(IMX8MN_SYS_PLL2_166M,
+ imx_clk_fixed_factor("sys_pll2_166m", "sys_pll2_out", 1, 6));
+ clk_dm(IMX8MN_SYS_PLL2_200M,
+ imx_clk_fixed_factor("sys_pll2_200m", "sys_pll2_out", 1, 5));
+ clk_dm(IMX8MN_SYS_PLL2_250M,
+ imx_clk_fixed_factor("sys_pll2_250m", "sys_pll2_out", 1, 4));
+ clk_dm(IMX8MN_SYS_PLL2_333M,
+ imx_clk_fixed_factor("sys_pll2_333m", "sys_pll2_out", 1, 3));
+ clk_dm(IMX8MN_SYS_PLL2_500M,
+ imx_clk_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2));
+ clk_dm(IMX8MN_SYS_PLL2_1000M,
+ imx_clk_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1));
+
+ base = dev_read_addr_ptr(dev);
+ if (base == (void *)FDT_ADDR_T_NONE)
+ return -EINVAL;
+
+ clk_dm(IMX8MN_CLK_A53_SRC,
+ imx_clk_mux2("arm_a53_src", base + 0x8000, 24, 3,
+ imx8mn_a53_sels, ARRAY_SIZE(imx8mn_a53_sels)));
+ clk_dm(IMX8MN_CLK_A53_CG,
+ imx_clk_gate3("arm_a53_cg", "arm_a53_src", base + 0x8000, 28));
+ clk_dm(IMX8MN_CLK_A53_DIV,
+ imx_clk_divider2("arm_a53_div", "arm_a53_cg",
+ base + 0x8000, 0, 3));
+
+ clk_dm(IMX8MN_CLK_AHB,
+ imx8m_clk_composite_critical("ahb", imx8mn_ahb_sels,
+ base + 0x9000));
+ clk_dm(IMX8MN_CLK_IPG_ROOT,
+ imx_clk_divider2("ipg_root", "ahb", base + 0x9080, 0, 1));
+
+ clk_dm(IMX8MN_CLK_ENET_AXI,
+ imx8m_clk_composite("enet_axi", imx8mn_enet_axi_sels,
+ base + 0x8880));
+ clk_dm(IMX8MN_CLK_NAND_USDHC_BUS,
+ imx8m_clk_composite_critical("nand_usdhc_bus",
+ imx8mn_nand_usdhc_sels,
+ base + 0x8900));
+
+ /* IP */
+ clk_dm(IMX8MN_CLK_USDHC1,
+ imx8m_clk_composite("usdhc1", imx8mn_usdhc1_sels,
+ base + 0xac00));
+ clk_dm(IMX8MN_CLK_USDHC2,
+ imx8m_clk_composite("usdhc2", imx8mn_usdhc2_sels,
+ base + 0xac80));
+ clk_dm(IMX8MN_CLK_I2C1,
+ imx8m_clk_composite("i2c1", imx8mn_i2c1_sels, base + 0xad00));
+ clk_dm(IMX8MN_CLK_I2C2,
+ imx8m_clk_composite("i2c2", imx8mn_i2c2_sels, base + 0xad80));
+ clk_dm(IMX8MN_CLK_I2C3,
+ imx8m_clk_composite("i2c3", imx8mn_i2c3_sels, base + 0xae00));
+ clk_dm(IMX8MN_CLK_I2C4,
+ imx8m_clk_composite("i2c4", imx8mn_i2c4_sels, base + 0xae80));
+ clk_dm(IMX8MN_CLK_WDOG,
+ imx8m_clk_composite("wdog", imx8mn_wdog_sels, base + 0xb900));
+ clk_dm(IMX8MN_CLK_USDHC3,
+ imx8m_clk_composite("usdhc3", imx8mn_usdhc3_sels,
+ base + 0xbc80));
+
+ clk_dm(IMX8MN_CLK_I2C1_ROOT,
+ imx_clk_gate4("i2c1_root_clk", "i2c1", base + 0x4170, 0));
+ clk_dm(IMX8MN_CLK_I2C2_ROOT,
+ imx_clk_gate4("i2c2_root_clk", "i2c2", base + 0x4180, 0));
+ clk_dm(IMX8MN_CLK_I2C3_ROOT,
+ imx_clk_gate4("i2c3_root_clk", "i2c3", base + 0x4190, 0));
+ clk_dm(IMX8MN_CLK_I2C4_ROOT,
+ imx_clk_gate4("i2c4_root_clk", "i2c4", base + 0x41a0, 0));
+ clk_dm(IMX8MN_CLK_OCOTP_ROOT,
+ imx_clk_gate4("ocotp_root_clk", "ipg_root", base + 0x4220, 0));
+ clk_dm(IMX8MN_CLK_USDHC1_ROOT,
+ imx_clk_gate4("usdhc1_root_clk", "usdhc1", base + 0x4510, 0));
+ clk_dm(IMX8MN_CLK_USDHC2_ROOT,
+ imx_clk_gate4("usdhc2_root_clk", "usdhc2", base + 0x4520, 0));
+ clk_dm(IMX8MN_CLK_WDOG1_ROOT,
+ imx_clk_gate4("wdog1_root_clk", "wdog", base + 0x4530, 0));
+ clk_dm(IMX8MN_CLK_WDOG2_ROOT,
+ imx_clk_gate4("wdog2_root_clk", "wdog", base + 0x4540, 0));
+ clk_dm(IMX8MN_CLK_WDOG3_ROOT,
+ imx_clk_gate4("wdog3_root_clk", "wdog", base + 0x4550, 0));
+ clk_dm(IMX8MN_CLK_USDHC3_ROOT,
+ imx_clk_gate4("usdhc3_root_clk", "usdhc3", base + 0x45e0, 0));
+
+#ifdef CONFIG_SPL_BUILD
+ struct clk *clkp, *clkp1;
+
+ clk_get_by_id(IMX8MN_CLK_WDOG1_ROOT, &clkp);
+ clk_enable(clkp);
+ clk_get_by_id(IMX8MN_CLK_WDOG2_ROOT, &clkp);
+ clk_enable(clkp);
+ clk_get_by_id(IMX8MN_CLK_WDOG3_ROOT, &clkp);
+ clk_enable(clkp);
+
+ /* Configure SYS_PLL3 to 600MHz */
+ clk_get_by_id(IMX8MN_SYS_PLL3, &clkp);
+ clk_set_rate(clkp, 600000000UL);
+ clk_enable(clkp);
+
+ /* Configure ARM to sys_pll2_500m */
+ clk_get_by_id(IMX8MN_CLK_A53_SRC, &clkp);
+ clk_get_by_id(IMX8MN_SYS_PLL2_OUT, &clkp1);
+ clk_enable(clkp1);
+ clk_get_by_id(IMX8MN_SYS_PLL2_500M, &clkp1);
+ clk_set_parent(clkp, clkp1);
+
+ /* Configure ARM PLL to 1.2GHz */
+ clk_get_by_id(IMX8MN_ARM_PLL, &clkp1);
+ clk_set_rate(clkp1, 1200000000UL);
+ clk_get_by_id(IMX8MN_ARM_PLL_OUT, &clkp1);
+ clk_enable(clkp1);
+ clk_set_parent(clkp, clkp1);
+
+ /* Configure DIV to 1.2GHz */
+ clk_get_by_id(IMX8MN_CLK_A53_DIV, &clkp1);
+ clk_set_rate(clkp1, 1200000000UL);
+#endif
+
+ return 0;
+}
+
+static const struct udevice_id imx8mn_clk_ids[] = {
+ { .compatible = "fsl,imx8mn-ccm" },
+ { },
+};
+
+U_BOOT_DRIVER(imx8mn_clk) = {
+ .name = "clk_imx8mn",
+ .id = UCLASS_CLK,
+ .of_match = imx8mn_clk_ids,
+ .ops = &imx8mn_clk_ops,
+ .probe = imx8mn_clk_probe,
+ .flags = DM_FLAG_PRE_RELOC,
+};
diff --git a/drivers/misc/imx8/scu.c b/drivers/misc/imx8/scu.c
index 9ec00457b8..a7654a7817 100644
--- a/drivers/misc/imx8/scu.c
+++ b/drivers/misc/imx8/scu.c
@@ -26,8 +26,6 @@ struct mu_type {
struct imx8_scu {
struct mu_type *base;
- struct udevice *clk;
- struct udevice *pinclk;
};
#define MU_CR_GIE_MASK 0xF0000000u
@@ -202,9 +200,6 @@ static int imx8_scu_probe(struct udevice *dev)
gd->arch.scu_dev = dev;
- device_probe(plat->clk);
- device_probe(plat->pinclk);
-
return 0;
}
@@ -215,44 +210,17 @@ static int imx8_scu_remove(struct udevice *dev)
static int imx8_scu_bind(struct udevice *dev)
{
- struct imx8_scu *plat = dev_get_platdata(dev);
int ret;
struct udevice *child;
- int node;
- char *clk_compatible, *iomuxc_compatible;
-
- if (IS_ENABLED(CONFIG_IMX8QXP)) {
- clk_compatible = "fsl,imx8qxp-clk";
- iomuxc_compatible = "fsl,imx8qxp-iomuxc";
- } else if (IS_ENABLED(CONFIG_IMX8QM)) {
- clk_compatible = "fsl,imx8qm-clk";
- iomuxc_compatible = "fsl,imx8qm-iomuxc";
- } else {
- return -EINVAL;
- }
+ ofnode node;
debug("%s(dev=%p)\n", __func__, dev);
-
- node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, clk_compatible);
- if (node < 0)
- panic("No clk node found\n");
-
- ret = lists_bind_fdt(dev, offset_to_ofnode(node), &child, true);
- if (ret)
- return ret;
-
- plat->clk = child;
-
- node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
- iomuxc_compatible);
- if (node < 0)
- panic("No iomuxc node found\n");
-
- ret = lists_bind_fdt(dev, offset_to_ofnode(node), &child, true);
- if (ret)
- return ret;
-
- plat->pinclk = child;
+ ofnode_for_each_subnode(node, dev_ofnode(dev)) {
+ ret = lists_bind_fdt(dev, node, &child, true);
+ if (ret)
+ return ret;
+ debug("bind child dev %s\n", child->name);
+ }
return 0;
}
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index eb3d7ed45f..4182897d89 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -236,7 +236,7 @@ config FEC_MXC_MDIO_BASE
config FEC_MXC
bool "FEC Ethernet controller"
- depends on MX28 || MX5 || MX6 || MX7 || IMX8 || VF610
+ depends on MX28 || MX5 || MX6 || MX7 || IMX8 || IMX8M || VF610
help
This driver supports the 10/100 Fast Ethernet controller for
NXP i.MX processors.
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 080dbcf7db..131d1998a7 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -123,30 +123,38 @@ static int fec_mdio_read(struct ethernet_regs *eth, uint8_t phyaddr,
return val;
}
+#ifndef imx_get_fecclk
+u32 __weak imx_get_fecclk(void)
+{
+ return 0;
+}
+#endif
+
static int fec_get_clk_rate(void *udev, int idx)
{
-#if IS_ENABLED(CONFIG_IMX8)
struct fec_priv *fec;
struct udevice *dev;
int ret;
- dev = udev;
- if (!dev) {
- ret = uclass_get_device(UCLASS_ETH, idx, &dev);
- if (ret < 0) {
- debug("Can't get FEC udev: %d\n", ret);
- return ret;
+ if (IS_ENABLED(CONFIG_IMX8) ||
+ CONFIG_IS_ENABLED(CLK_CCF)) {
+ dev = udev;
+ if (!dev) {
+ ret = uclass_get_device(UCLASS_ETH, idx, &dev);
+ if (ret < 0) {
+ debug("Can't get FEC udev: %d\n", ret);
+ return ret;
+ }
}
- }
- fec = dev_get_priv(dev);
- if (fec)
- return fec->clk_rate;
+ fec = dev_get_priv(dev);
+ if (fec)
+ return fec->clk_rate;
- return -EINVAL;
-#else
- return imx_get_fecclk();
-#endif
+ return -EINVAL;
+ } else {
+ return imx_get_fecclk();
+ }
}
static void fec_mii_setspeed(struct ethernet_regs *eth)
@@ -1336,6 +1344,47 @@ static int fecmxc_probe(struct udevice *dev)
}
priv->clk_rate = clk_get_rate(&priv->ipg_clk);
+ } else if (CONFIG_IS_ENABLED(CLK_CCF)) {
+ ret = clk_get_by_name(dev, "ipg", &priv->ipg_clk);
+ if (ret < 0) {
+ debug("Can't get FEC ipg clk: %d\n", ret);
+ return ret;
+ }
+ ret = clk_enable(&priv->ipg_clk);
+ if(ret)
+ return ret;
+
+ ret = clk_get_by_name(dev, "ahb", &priv->ahb_clk);
+ if (ret < 0) {
+ debug("Can't get FEC ahb clk: %d\n", ret);
+ return ret;
+ }
+ ret = clk_enable(&priv->ahb_clk);
+ if (ret)
+ return ret;
+
+ ret = clk_get_by_name(dev, "enet_out", &priv->clk_enet_out);
+ if (!ret) {
+ ret = clk_enable(&priv->clk_enet_out);
+ if (ret)
+ return ret;
+ }
+
+ ret = clk_get_by_name(dev, "enet_clk_ref", &priv->clk_ref);
+ if (!ret) {
+ ret = clk_enable(&priv->clk_ref);
+ if (ret)
+ return ret;
+ }
+
+ ret = clk_get_by_name(dev, "ptp", &priv->clk_ptp);
+ if (!ret) {
+ ret = clk_enable(&priv->clk_ptp);
+ if (ret)
+ return ret;
+ }
+
+ priv->clk_rate = clk_get_rate(&priv->ipg_clk);
}
ret = fec_alloc_descs(priv);
diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h
index e5f2dd75c5..723b06a651 100644
--- a/drivers/net/fec_mxc.h
+++ b/drivers/net/fec_mxc.h
@@ -264,6 +264,10 @@ struct fec_priv {
u32 interface;
#endif
struct clk ipg_clk;
+ struct clk ahb_clk;
+ struct clk clk_enet_out;
+ struct clk clk_ref;
+ struct clk clk_ptp;
u32 clk_rate;
};
diff --git a/drivers/pinctrl/nxp/pinctrl-imx8m.c b/drivers/pinctrl/nxp/pinctrl-imx8m.c
index 8bb03b7a62..b3844314b3 100644
--- a/drivers/pinctrl/nxp/pinctrl-imx8m.c
+++ b/drivers/pinctrl/nxp/pinctrl-imx8m.c
@@ -21,6 +21,7 @@ static int imx8mq_pinctrl_probe(struct udevice *dev)
static const struct udevice_id imx8m_pinctrl_match[] = {
{ .compatible = "fsl,imx8mq-iomuxc", .data = (ulong)&imx8mq_pinctrl_soc_info },
{ .compatible = "fsl,imx8mm-iomuxc", .data = (ulong)&imx8mq_pinctrl_soc_info },
+ { .compatible = "fsl,imx8mn-iomuxc", .data = (ulong)&imx8mq_pinctrl_soc_info },
{ /* sentinel */ }
};
diff --git a/drivers/power/domain/Makefile b/drivers/power/domain/Makefile
index d0dce14a08..45bf9f6383 100644
--- a/drivers/power/domain/Makefile
+++ b/drivers/power/domain/Makefile
@@ -5,7 +5,7 @@
obj-$(CONFIG_$(SPL_)POWER_DOMAIN) += power-domain-uclass.o
obj-$(CONFIG_BCM6328_POWER_DOMAIN) += bcm6328-power-domain.o
-obj-$(CONFIG_IMX8_POWER_DOMAIN) += imx8-power-domain.o
+obj-$(CONFIG_IMX8_POWER_DOMAIN) += imx8-power-domain-legacy.o imx8-power-domain.o
obj-$(CONFIG_IMX8M_POWER_DOMAIN) += imx8m-power-domain.o
obj-$(CONFIG_MTK_POWER_DOMAIN) += mtk-power-domain.o
obj-$(CONFIG_MESON_GX_VPU_POWER_DOMAIN) += meson-gx-pwrc-vpu.o
diff --git a/drivers/power/domain/imx8-power-domain-legacy.c b/drivers/power/domain/imx8-power-domain-legacy.c
new file mode 100644
index 0000000000..d51dbaa6c0
--- /dev/null
+++ b/drivers/power/domain/imx8-power-domain-legacy.c
@@ -0,0 +1,315 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2017 NXP
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <power-domain-uclass.h>
+#include <asm/io.h>
+#include <asm/arch/power-domain.h>
+#include <dm/device-internal.h>
+#include <dm/device.h>
+#include <asm/arch/sci/sci.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct imx8_power_domain_priv {
+ bool state_on;
+};
+
+static int imx8_power_domain_request(struct power_domain *power_domain)
+{
+ debug("%s(power_domain=%p)\n", __func__, power_domain);
+
+ return 0;
+}
+
+static int imx8_power_domain_free(struct power_domain *power_domain)
+{
+ debug("%s(power_domain=%p)\n", __func__, power_domain);
+
+ return 0;
+}
+
+static int imx8_power_domain_on(struct power_domain *power_domain)
+{
+ struct udevice *dev = power_domain->dev;
+ struct imx8_power_domain_platdata *pdata;
+ struct imx8_power_domain_priv *ppriv;
+ sc_err_t ret;
+ int err;
+
+ struct power_domain parent_domain;
+ struct udevice *parent = dev_get_parent(dev);
+
+ /* Need to power on parent node first */
+ if (device_get_uclass_id(parent) == UCLASS_POWER_DOMAIN) {
+ parent_domain.dev = parent;
+ err = imx8_power_domain_on(&parent_domain);
+ if (err)
+ return err;
+ }
+
+ pdata = (struct imx8_power_domain_platdata *)dev_get_platdata(dev);
+ ppriv = (struct imx8_power_domain_priv *)dev_get_priv(dev);
+
+ debug("%s(power_domain=%s) resource_id %d\n", __func__, dev->name,
+ pdata->resource_id);
+
+ /* Already powered on */
+ if (ppriv->state_on)
+ return 0;
+
+ if (pdata->resource_id != SC_R_LAST) {
+ ret = sc_pm_set_resource_power_mode(-1, pdata->resource_id,
+ SC_PM_PW_MODE_ON);
+ if (ret) {
+ printf("Error: %s Power up failed! (error = %d)\n",
+ dev->name, ret);
+ return -EIO;
+ }
+ }
+
+ ppriv->state_on = true;
+ debug("%s is powered on\n", dev->name);
+
+ return 0;
+}
+
+static int imx8_power_domain_off_node(struct power_domain *power_domain)
+{
+ struct udevice *dev = power_domain->dev;
+ struct udevice *child;
+ struct imx8_power_domain_priv *ppriv;
+ struct imx8_power_domain_priv *child_ppriv;
+ struct imx8_power_domain_platdata *pdata;
+ sc_err_t ret;
+
+ ppriv = dev_get_priv(dev);
+ pdata = dev_get_platdata(dev);
+
+ debug("%s, %s, state_on %d\n", __func__, dev->name, ppriv->state_on);
+
+ /* Already powered off */
+ if (!ppriv->state_on)
+ return 0;
+
+ /* Check if all subnodes are off */
+ for (device_find_first_child(dev, &child);
+ child;
+ device_find_next_child(&child)) {
+ if (device_active(child)) {
+ child_ppriv =
+ (struct imx8_power_domain_priv *)dev_get_priv(child);
+ if (child_ppriv->state_on)
+ return -EPERM;
+ }
+ }
+
+ if (pdata->resource_id != SC_R_LAST) {
+ if (!sc_rm_is_resource_owned(-1, pdata->resource_id)) {
+ printf("%s not owned by curr partition\n", dev->name);
+ return 0;
+ }
+ ret = sc_pm_set_resource_power_mode(-1, pdata->resource_id,
+ SC_PM_PW_MODE_OFF);
+ if (ret) {
+ printf("Error: %s Power off failed! (error = %d)\n",
+ dev->name, ret);
+ return -EIO;
+ }
+ }
+
+ ppriv->state_on = false;
+ debug("%s is powered off\n", dev->name);
+
+ return 0;
+}
+
+static int imx8_power_domain_off_parentnodes(struct power_domain *power_domain)
+{
+ struct udevice *dev = power_domain->dev;
+ struct udevice *parent = dev_get_parent(dev);
+ struct udevice *child;
+ struct imx8_power_domain_priv *ppriv;
+ struct imx8_power_domain_priv *child_ppriv;
+ struct imx8_power_domain_platdata *pdata;
+ sc_err_t ret;
+ struct power_domain parent_pd;
+
+ if (device_get_uclass_id(parent) == UCLASS_POWER_DOMAIN) {
+ pdata =
+ (struct imx8_power_domain_platdata *)dev_get_platdata(parent);
+ ppriv = (struct imx8_power_domain_priv *)dev_get_priv(parent);
+
+ debug("%s, %s, state_on %d\n", __func__, parent->name,
+ ppriv->state_on);
+
+ /* Already powered off */
+ if (!ppriv->state_on)
+ return 0;
+
+ /*
+ * Check if all sibling nodes are off. If yes,
+ * power off parent
+ */
+ for (device_find_first_child(parent, &child); child;
+ device_find_next_child(&child)) {
+ if (device_active(child)) {
+ child_ppriv = (struct imx8_power_domain_priv *)
+ dev_get_priv(child);
+ /* Find a power on sibling */
+ if (child_ppriv->state_on) {
+ debug("sibling %s, state_on %d\n",
+ child->name,
+ child_ppriv->state_on);
+ return 0;
+ }
+ }
+ }
+
+ /* power off parent */
+ if (pdata->resource_id != SC_R_LAST) {
+ ret = sc_pm_set_resource_power_mode(-1,
+ pdata->resource_id,
+ SC_PM_PW_MODE_OFF);
+ if (ret) {
+ printf("%s Power off failed! (error = %d)\n",
+ parent->name, ret);
+ return -EIO;
+ }
+ }
+
+ ppriv->state_on = false;
+ debug("%s is powered off\n", parent->name);
+
+ parent_pd.dev = parent;
+ imx8_power_domain_off_parentnodes(&parent_pd);
+ }
+
+ return 0;
+}
+
+static int imx8_power_domain_off(struct power_domain *power_domain)
+{
+ int ret;
+
+ debug("%s(power_domain=%p)\n", __func__, power_domain);
+
+ /* Turn off the node */
+ ret = imx8_power_domain_off_node(power_domain);
+ if (ret) {
+ debug("Can't power off the node of dev %s, ret = %d\n",
+ power_domain->dev->name, ret);
+ return ret;
+ }
+
+ /* Turn off parent nodes, if sibling nodes are all off */
+ ret = imx8_power_domain_off_parentnodes(power_domain);
+ if (ret) {
+ printf("Failed to power off parent nodes of dev %s, ret = %d\n",
+ power_domain->dev->name, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int imx8_power_domain_of_xlate(struct power_domain *power_domain,
+ struct ofnode_phandle_args *args)
+{
+ debug("%s(power_domain=%p)\n", __func__, power_domain);
+
+ /* Do nothing to the xlate, since we don't have args used */
+
+ return 0;
+}
+
+static int imx8_power_domain_bind(struct udevice *dev)
+{
+ int offset;
+ const char *name;
+ int ret = 0;
+
+ debug("%s(dev=%p)\n", __func__, dev);
+
+ offset = dev_of_offset(dev);
+ for (offset = fdt_first_subnode(gd->fdt_blob, offset); offset > 0;
+ offset = fdt_next_subnode(gd->fdt_blob, offset)) {
+ /* Bind the subnode to this driver */
+ name = fdt_get_name(gd->fdt_blob, offset, NULL);
+
+ ret = device_bind_with_driver_data(dev, dev->driver, name,
+ dev->driver_data,
+ offset_to_ofnode(offset),
+ NULL);
+
+ if (ret == -ENODEV)
+ printf("Driver '%s' refuses to bind\n",
+ dev->driver->name);
+
+ if (ret)
+ printf("Error binding driver '%s': %d\n",
+ dev->driver->name, ret);
+ }
+
+ return 0;
+}
+
+static int imx8_power_domain_probe(struct udevice *dev)
+{
+ struct imx8_power_domain_priv *ppriv;
+
+ debug("%s(dev=%s)\n", __func__, dev->name);
+
+ ppriv = (struct imx8_power_domain_priv *)dev_get_priv(dev);
+
+ /* Set default to power off */
+ if (ppriv)
+ ppriv->state_on = false;
+
+ return 0;
+}
+
+static int imx8_power_domain_ofdata_to_platdata(struct udevice *dev)
+{
+ int reg;
+ struct imx8_power_domain_platdata *pdata = dev_get_platdata(dev);
+
+ reg = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "reg", -1);
+ if (reg == -1) {
+ debug("%s: Invalid resource id %d\n", __func__, reg);
+ return -EINVAL;
+ }
+ pdata->resource_id = (sc_rsrc_t)reg;
+
+ debug("%s resource_id %d\n", __func__, pdata->resource_id);
+
+ return 0;
+}
+
+static const struct udevice_id imx8_power_domain_ids[] = {
+ { .compatible = "nxp,imx8-pd" },
+ { }
+};
+
+struct power_domain_ops imx8_power_domain_ops = {
+ .request = imx8_power_domain_request,
+ .free = imx8_power_domain_free,
+ .on = imx8_power_domain_on,
+ .off = imx8_power_domain_off,
+ .of_xlate = imx8_power_domain_of_xlate,
+};
+
+U_BOOT_DRIVER(imx8_power_domain) = {
+ .name = "imx8_power_domain",
+ .id = UCLASS_POWER_DOMAIN,
+ .of_match = imx8_power_domain_ids,
+ .bind = imx8_power_domain_bind,
+ .probe = imx8_power_domain_probe,
+ .ofdata_to_platdata = imx8_power_domain_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct imx8_power_domain_platdata),
+ .priv_auto_alloc_size = sizeof(struct imx8_power_domain_priv),
+ .ops = &imx8_power_domain_ops,
+};
diff --git a/drivers/power/domain/imx8-power-domain.c b/drivers/power/domain/imx8-power-domain.c
index d51dbaa6c0..aa768365b4 100644
--- a/drivers/power/domain/imx8-power-domain.c
+++ b/drivers/power/domain/imx8-power-domain.c
@@ -1,23 +1,15 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright 2017 NXP
+ * Copyright 2019 NXP
*/
+#define DEBUG
#include <common.h>
#include <dm.h>
#include <power-domain-uclass.h>
-#include <asm/io.h>
#include <asm/arch/power-domain.h>
-#include <dm/device-internal.h>
-#include <dm/device.h>
#include <asm/arch/sci/sci.h>
-DECLARE_GLOBAL_DATA_PTR;
-
-struct imx8_power_domain_priv {
- bool state_on;
-};
-
static int imx8_power_domain_request(struct power_domain *power_domain)
{
debug("%s(power_domain=%p)\n", __func__, power_domain);
@@ -34,158 +26,16 @@ static int imx8_power_domain_free(struct power_domain *power_domain)
static int imx8_power_domain_on(struct power_domain *power_domain)
{
- struct udevice *dev = power_domain->dev;
- struct imx8_power_domain_platdata *pdata;
- struct imx8_power_domain_priv *ppriv;
- sc_err_t ret;
- int err;
-
- struct power_domain parent_domain;
- struct udevice *parent = dev_get_parent(dev);
-
- /* Need to power on parent node first */
- if (device_get_uclass_id(parent) == UCLASS_POWER_DOMAIN) {
- parent_domain.dev = parent;
- err = imx8_power_domain_on(&parent_domain);
- if (err)
- return err;
- }
-
- pdata = (struct imx8_power_domain_platdata *)dev_get_platdata(dev);
- ppriv = (struct imx8_power_domain_priv *)dev_get_priv(dev);
-
- debug("%s(power_domain=%s) resource_id %d\n", __func__, dev->name,
- pdata->resource_id);
-
- /* Already powered on */
- if (ppriv->state_on)
- return 0;
-
- if (pdata->resource_id != SC_R_LAST) {
- ret = sc_pm_set_resource_power_mode(-1, pdata->resource_id,
- SC_PM_PW_MODE_ON);
- if (ret) {
- printf("Error: %s Power up failed! (error = %d)\n",
- dev->name, ret);
- return -EIO;
- }
- }
-
- ppriv->state_on = true;
- debug("%s is powered on\n", dev->name);
-
- return 0;
-}
-
-static int imx8_power_domain_off_node(struct power_domain *power_domain)
-{
- struct udevice *dev = power_domain->dev;
- struct udevice *child;
- struct imx8_power_domain_priv *ppriv;
- struct imx8_power_domain_priv *child_ppriv;
- struct imx8_power_domain_platdata *pdata;
- sc_err_t ret;
-
- ppriv = dev_get_priv(dev);
- pdata = dev_get_platdata(dev);
-
- debug("%s, %s, state_on %d\n", __func__, dev->name, ppriv->state_on);
-
- /* Already powered off */
- if (!ppriv->state_on)
- return 0;
-
- /* Check if all subnodes are off */
- for (device_find_first_child(dev, &child);
- child;
- device_find_next_child(&child)) {
- if (device_active(child)) {
- child_ppriv =
- (struct imx8_power_domain_priv *)dev_get_priv(child);
- if (child_ppriv->state_on)
- return -EPERM;
- }
- }
-
- if (pdata->resource_id != SC_R_LAST) {
- if (!sc_rm_is_resource_owned(-1, pdata->resource_id)) {
- printf("%s not owned by curr partition\n", dev->name);
- return 0;
- }
- ret = sc_pm_set_resource_power_mode(-1, pdata->resource_id,
- SC_PM_PW_MODE_OFF);
- if (ret) {
- printf("Error: %s Power off failed! (error = %d)\n",
- dev->name, ret);
- return -EIO;
- }
- }
-
- ppriv->state_on = false;
- debug("%s is powered off\n", dev->name);
-
- return 0;
-}
-
-static int imx8_power_domain_off_parentnodes(struct power_domain *power_domain)
-{
- struct udevice *dev = power_domain->dev;
- struct udevice *parent = dev_get_parent(dev);
- struct udevice *child;
- struct imx8_power_domain_priv *ppriv;
- struct imx8_power_domain_priv *child_ppriv;
- struct imx8_power_domain_platdata *pdata;
- sc_err_t ret;
- struct power_domain parent_pd;
-
- if (device_get_uclass_id(parent) == UCLASS_POWER_DOMAIN) {
- pdata =
- (struct imx8_power_domain_platdata *)dev_get_platdata(parent);
- ppriv = (struct imx8_power_domain_priv *)dev_get_priv(parent);
-
- debug("%s, %s, state_on %d\n", __func__, parent->name,
- ppriv->state_on);
-
- /* Already powered off */
- if (!ppriv->state_on)
- return 0;
-
- /*
- * Check if all sibling nodes are off. If yes,
- * power off parent
- */
- for (device_find_first_child(parent, &child); child;
- device_find_next_child(&child)) {
- if (device_active(child)) {
- child_ppriv = (struct imx8_power_domain_priv *)
- dev_get_priv(child);
- /* Find a power on sibling */
- if (child_ppriv->state_on) {
- debug("sibling %s, state_on %d\n",
- child->name,
- child_ppriv->state_on);
- return 0;
- }
- }
- }
-
- /* power off parent */
- if (pdata->resource_id != SC_R_LAST) {
- ret = sc_pm_set_resource_power_mode(-1,
- pdata->resource_id,
- SC_PM_PW_MODE_OFF);
- if (ret) {
- printf("%s Power off failed! (error = %d)\n",
- parent->name, ret);
- return -EIO;
- }
- }
+ u32 resource_id = power_domain->id;
+ int ret;
- ppriv->state_on = false;
- debug("%s is powered off\n", parent->name);
+ debug("%s: resource_id %u\n", __func__, resource_id);
- parent_pd.dev = parent;
- imx8_power_domain_off_parentnodes(&parent_pd);
+ ret = sc_pm_set_resource_power_mode(-1, resource_id, SC_PM_PW_MODE_ON);
+ if (ret) {
+ printf("Error: %u Power up failed! (error = %d)\n",
+ resource_id, ret);
+ return ret;
}
return 0;
@@ -193,123 +43,45 @@ static int imx8_power_domain_off_parentnodes(struct power_domain *power_domain)
static int imx8_power_domain_off(struct power_domain *power_domain)
{
+ u32 resource_id = power_domain->id;
int ret;
- debug("%s(power_domain=%p)\n", __func__, power_domain);
+ debug("%s: resource_id %u\n", __func__, resource_id);
- /* Turn off the node */
- ret = imx8_power_domain_off_node(power_domain);
+ ret = sc_pm_set_resource_power_mode(-1, resource_id, SC_PM_PW_MODE_OFF);
if (ret) {
- debug("Can't power off the node of dev %s, ret = %d\n",
- power_domain->dev->name, ret);
+ printf("Error: %u Power off failed! (error = %d)\n",
+ resource_id, ret);
return ret;
}
- /* Turn off parent nodes, if sibling nodes are all off */
- ret = imx8_power_domain_off_parentnodes(power_domain);
- if (ret) {
- printf("Failed to power off parent nodes of dev %s, ret = %d\n",
- power_domain->dev->name, ret);
- return ret;
- }
-
- return 0;
-}
-
-static int imx8_power_domain_of_xlate(struct power_domain *power_domain,
- struct ofnode_phandle_args *args)
-{
- debug("%s(power_domain=%p)\n", __func__, power_domain);
-
- /* Do nothing to the xlate, since we don't have args used */
-
- return 0;
-}
-
-static int imx8_power_domain_bind(struct udevice *dev)
-{
- int offset;
- const char *name;
- int ret = 0;
-
- debug("%s(dev=%p)\n", __func__, dev);
-
- offset = dev_of_offset(dev);
- for (offset = fdt_first_subnode(gd->fdt_blob, offset); offset > 0;
- offset = fdt_next_subnode(gd->fdt_blob, offset)) {
- /* Bind the subnode to this driver */
- name = fdt_get_name(gd->fdt_blob, offset, NULL);
-
- ret = device_bind_with_driver_data(dev, dev->driver, name,
- dev->driver_data,
- offset_to_ofnode(offset),
- NULL);
-
- if (ret == -ENODEV)
- printf("Driver '%s' refuses to bind\n",
- dev->driver->name);
-
- if (ret)
- printf("Error binding driver '%s': %d\n",
- dev->driver->name, ret);
- }
-
return 0;
}
static int imx8_power_domain_probe(struct udevice *dev)
{
- struct imx8_power_domain_priv *ppriv;
-
debug("%s(dev=%s)\n", __func__, dev->name);
- ppriv = (struct imx8_power_domain_priv *)dev_get_priv(dev);
-
- /* Set default to power off */
- if (ppriv)
- ppriv->state_on = false;
-
- return 0;
-}
-
-static int imx8_power_domain_ofdata_to_platdata(struct udevice *dev)
-{
- int reg;
- struct imx8_power_domain_platdata *pdata = dev_get_platdata(dev);
-
- reg = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "reg", -1);
- if (reg == -1) {
- debug("%s: Invalid resource id %d\n", __func__, reg);
- return -EINVAL;
- }
- pdata->resource_id = (sc_rsrc_t)reg;
-
- debug("%s resource_id %d\n", __func__, pdata->resource_id);
-
return 0;
}
static const struct udevice_id imx8_power_domain_ids[] = {
- { .compatible = "nxp,imx8-pd" },
+ { .compatible = "fsl,imx8qxp-scu-pd" },
+ { .compatible = "fsl,scu-pd" },
{ }
};
-struct power_domain_ops imx8_power_domain_ops = {
+struct power_domain_ops imx8_power_domain_ops_v2 = {
.request = imx8_power_domain_request,
.free = imx8_power_domain_free,
.on = imx8_power_domain_on,
.off = imx8_power_domain_off,
- .of_xlate = imx8_power_domain_of_xlate,
};
-U_BOOT_DRIVER(imx8_power_domain) = {
- .name = "imx8_power_domain",
+U_BOOT_DRIVER(imx8_power_domain_v2) = {
+ .name = "imx8_power_domain_v2",
.id = UCLASS_POWER_DOMAIN,
.of_match = imx8_power_domain_ids,
- .bind = imx8_power_domain_bind,
.probe = imx8_power_domain_probe,
- .ofdata_to_platdata = imx8_power_domain_ofdata_to_platdata,
- .platdata_auto_alloc_size = sizeof(struct imx8_power_domain_platdata),
- .priv_auto_alloc_size = sizeof(struct imx8_power_domain_priv),
- .ops = &imx8_power_domain_ops,
+ .ops = &imx8_power_domain_ops_v2,
};