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-rw-r--r--drivers/clk/versatile/Kconfig21
-rw-r--r--drivers/clk/versatile/clk-impd1.c121
-rw-r--r--drivers/clk/versatile/clk-vexpress-osc.c20
3 files changed, 19 insertions, 143 deletions
diff --git a/drivers/clk/versatile/Kconfig b/drivers/clk/versatile/Kconfig
index c2618f1477a2..8c1b0e8e8d32 100644
--- a/drivers/clk/versatile/Kconfig
+++ b/drivers/clk/versatile/Kconfig
@@ -1,33 +1,32 @@
# SPDX-License-Identifier: GPL-2.0-only
-config ICST
- bool
-config COMMON_CLK_VERSATILE
- bool "Clock driver for ARM Reference designs"
+menu "Clock driver for ARM Reference designs"
depends on ARCH_INTEGRATOR || ARCH_REALVIEW || \
- ARCH_VERSATILE || ARCH_VEXPRESS || ARM64 || \
- COMPILE_TEST
+ ARCH_VERSATILE || ARCH_VEXPRESS || COMPILE_TEST
+
+config ICST
+ bool "Clock driver for ARM Reference designs ICST"
select REGMAP_MMIO
---help---
Supports clocking on ARM Reference designs:
- Integrator/AP and Integrator/CP
- RealView PB1176, EB, PB11MP and PBX
- - Versatile Express
config CLK_SP810
bool "Clock driver for ARM SP810 System Controller"
- depends on COMMON_CLK_VERSATILE
- default y if ARCH_VEXPRESS
+ default y if (ARCH_VEXPRESS && ARM)
---help---
Supports clock muxing (REFCLK/TIMCLK to TIMERCLKEN0-3) capabilities
of the ARM SP810 System Controller cell.
config CLK_VEXPRESS_OSC
- bool "Clock driver for Versatile Express OSC clock generators"
- depends on COMMON_CLK_VERSATILE
+ tristate "Clock driver for Versatile Express OSC clock generators"
depends on VEXPRESS_CONFIG
+ select REGMAP_MMIO
default y if ARCH_VEXPRESS
---help---
Simple regmap-based driver driving clock generators on Versatile
Express platforms hidden behind its configuration infrastructure,
commonly known as OSCs.
+
+endmenu
diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c
index f9f4babe3ca6..ca798249544d 100644
--- a/drivers/clk/versatile/clk-impd1.c
+++ b/drivers/clk/versatile/clk-impd1.c
@@ -8,7 +8,6 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/platform_device.h>
-#include <linux/platform_data/clk-integrator.h>
#include <linux/module.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
@@ -20,26 +19,6 @@
#define IMPD1_OSC2 0x04
#define IMPD1_LOCK 0x08
-struct impd1_clk {
- char *pclkname;
- struct clk *pclk;
- char *vco1name;
- struct clk *vco1clk;
- char *vco2name;
- struct clk *vco2clk;
- struct clk *mmciclk;
- char *uartname;
- struct clk *uartclk;
- char *spiname;
- struct clk *spiclk;
- char *scname;
- struct clk *scclk;
- struct clk_lookup *clks[15];
-};
-
-/* One entry for each connected IM-PD1 LM */
-static struct impd1_clk impd1_clks[4];
-
/*
* There are two VCO's on the IM-PD1
*/
@@ -80,106 +59,6 @@ static const struct clk_icst_desc impd1_icst2_desc = {
.lock_offset = IMPD1_LOCK,
};
-/**
- * integrator_impd1_clk_init() - set up the integrator clock tree
- * @base: base address of the logic module (LM)
- * @id: the ID of this LM
- */
-void integrator_impd1_clk_init(void __iomem *base, unsigned int id)
-{
- struct impd1_clk *imc;
- struct clk *clk;
- struct clk *pclk;
- int i;
-
- if (id > 3) {
- pr_crit("no more than 4 LMs can be attached\n");
- return;
- }
- imc = &impd1_clks[id];
-
- /* Register the fixed rate PCLK */
- imc->pclkname = kasprintf(GFP_KERNEL, "lm%x-pclk", id);
- pclk = clk_register_fixed_rate(NULL, imc->pclkname, NULL, 0, 0);
- imc->pclk = pclk;
-
- imc->vco1name = kasprintf(GFP_KERNEL, "lm%x-vco1", id);
- clk = icst_clk_register(NULL, &impd1_icst1_desc, imc->vco1name, NULL,
- base);
- imc->vco1clk = clk;
- imc->clks[0] = clkdev_alloc(pclk, "apb_pclk", "lm%x:01000", id);
- imc->clks[1] = clkdev_alloc(clk, NULL, "lm%x:01000", id);
-
- /* VCO2 is also called "CLK2" */
- imc->vco2name = kasprintf(GFP_KERNEL, "lm%x-vco2", id);
- clk = icst_clk_register(NULL, &impd1_icst2_desc, imc->vco2name, NULL,
- base);
- imc->vco2clk = clk;
-
- /* MMCI uses CLK2 right off */
- imc->clks[2] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00700", id);
- imc->clks[3] = clkdev_alloc(clk, NULL, "lm%x:00700", id);
-
- /* UART reference clock divides CLK2 by a fixed factor 4 */
- imc->uartname = kasprintf(GFP_KERNEL, "lm%x-uartclk", id);
- clk = clk_register_fixed_factor(NULL, imc->uartname, imc->vco2name,
- CLK_IGNORE_UNUSED, 1, 4);
- imc->uartclk = clk;
- imc->clks[4] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00100", id);
- imc->clks[5] = clkdev_alloc(clk, NULL, "lm%x:00100", id);
- imc->clks[6] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00200", id);
- imc->clks[7] = clkdev_alloc(clk, NULL, "lm%x:00200", id);
-
- /* SPI PL022 clock divides CLK2 by a fixed factor 64 */
- imc->spiname = kasprintf(GFP_KERNEL, "lm%x-spiclk", id);
- clk = clk_register_fixed_factor(NULL, imc->spiname, imc->vco2name,
- CLK_IGNORE_UNUSED, 1, 64);
- imc->clks[8] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00300", id);
- imc->clks[9] = clkdev_alloc(clk, NULL, "lm%x:00300", id);
-
- /* The GPIO blocks and AACI have only PCLK */
- imc->clks[10] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00400", id);
- imc->clks[11] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00500", id);
- imc->clks[12] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00800", id);
-
- /* Smart Card clock divides CLK2 by a fixed factor 4 */
- imc->scname = kasprintf(GFP_KERNEL, "lm%x-scclk", id);
- clk = clk_register_fixed_factor(NULL, imc->scname, imc->vco2name,
- CLK_IGNORE_UNUSED, 1, 4);
- imc->scclk = clk;
- imc->clks[13] = clkdev_alloc(pclk, "apb_pclk", "lm%x:00600", id);
- imc->clks[14] = clkdev_alloc(clk, NULL, "lm%x:00600", id);
-
- for (i = 0; i < ARRAY_SIZE(imc->clks); i++)
- clkdev_add(imc->clks[i]);
-}
-EXPORT_SYMBOL_GPL(integrator_impd1_clk_init);
-
-void integrator_impd1_clk_exit(unsigned int id)
-{
- int i;
- struct impd1_clk *imc;
-
- if (id > 3)
- return;
- imc = &impd1_clks[id];
-
- for (i = 0; i < ARRAY_SIZE(imc->clks); i++)
- clkdev_drop(imc->clks[i]);
- clk_unregister(imc->spiclk);
- clk_unregister(imc->uartclk);
- clk_unregister(imc->vco2clk);
- clk_unregister(imc->vco1clk);
- clk_unregister(imc->pclk);
- kfree(imc->scname);
- kfree(imc->spiname);
- kfree(imc->uartname);
- kfree(imc->vco2name);
- kfree(imc->vco1name);
- kfree(imc->pclkname);
-}
-EXPORT_SYMBOL_GPL(integrator_impd1_clk_exit);
-
static int integrator_impd1_clk_spawn(struct device *dev,
struct device_node *parent,
struct device_node *np)
diff --git a/drivers/clk/versatile/clk-vexpress-osc.c b/drivers/clk/versatile/clk-vexpress-osc.c
index 7ade146a3ea9..b2b32fa2d7c3 100644
--- a/drivers/clk/versatile/clk-vexpress-osc.c
+++ b/drivers/clk/versatile/clk-vexpress-osc.c
@@ -7,6 +7,7 @@
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/err.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -65,8 +66,8 @@ static int vexpress_osc_probe(struct platform_device *pdev)
{
struct clk_init_data init;
struct vexpress_osc *osc;
- struct clk *clk;
u32 range[2];
+ int ret;
osc = devm_kzalloc(&pdev->dev, sizeof(*osc), GFP_KERNEL);
if (!osc)
@@ -92,11 +93,11 @@ static int vexpress_osc_probe(struct platform_device *pdev)
osc->hw.init = &init;
- clk = clk_register(NULL, &osc->hw);
- if (IS_ERR(clk))
- return PTR_ERR(clk);
+ ret = devm_clk_hw_register(&pdev->dev, &osc->hw);
+ if (ret < 0)
+ return ret;
- of_clk_add_provider(pdev->dev.of_node, of_clk_src_simple_get, clk);
+ devm_of_clk_add_hw_provider(&pdev->dev, of_clk_hw_simple_get, &osc->hw);
clk_hw_set_rate_range(&osc->hw, osc->rate_min, osc->rate_max);
dev_dbg(&pdev->dev, "Registered clock '%s'\n", init.name);
@@ -108,6 +109,7 @@ static const struct of_device_id vexpress_osc_of_match[] = {
{ .compatible = "arm,vexpress-osc", },
{}
};
+MODULE_DEVICE_TABLE(of, vexpress_osc_of_match);
static struct platform_driver vexpress_osc_driver = {
.driver = {
@@ -116,9 +118,5 @@ static struct platform_driver vexpress_osc_driver = {
},
.probe = vexpress_osc_probe,
};
-
-static int __init vexpress_osc_init(void)
-{
- return platform_driver_register(&vexpress_osc_driver);
-}
-core_initcall(vexpress_osc_init);
+module_platform_driver(vexpress_osc_driver);
+MODULE_LICENSE("GPL v2");