This patch migrates the s5pv210 platform to use new clock driver using Common Clock Framework. Signed-off-by: Mateusz Krawczuk <m.krawczuk@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> --- arch/arm/mach-s5pv210/Kconfig | 9 +++++++++ arch/arm/mach-s5pv210/Makefile | 4 ++-- arch/arm/mach-s5pv210/common.c | 17 +++++++++++++++++ arch/arm/mach-s5pv210/common.h | 10 ++++++++++ arch/arm/mach-s5pv210/mach-goni.c | 2 +- arch/arm/mach-s5pv210/mach-smdkv210.c | 2 +- arch/arm/plat-samsung/Kconfig | 2 +- 7 files changed, 41 insertions(+), 5 deletions(-) diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig index caaedaf..abad41f 100644 --- a/arch/arm/mach-s5pv210/Kconfig +++ b/arch/arm/mach-s5pv210/Kconfig @@ -11,6 +11,7 @@ if ARCH_S5PV210 config CPU_S5PV210 bool + select S5P_CLOCK if !COMMON_CLK select S5P_EXT_INT select S5P_PM if PM select S5P_SLEEP if PM @@ -69,6 +70,14 @@ config S5PV210_SETUP_USB_PHY help Common setup code for USB PHY controller +config COMMON_CLK_S5PV210 + bool "Common Clock Framework support" + default y + select COMMON_CLK + help + Enable this option to use new clock driver + based on Common Clock Framework. + menu "S5PC110 Machines" config MACH_AQUILA diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile index 1c4e419..0c67fe2 100644 --- a/arch/arm/mach-s5pv210/Makefile +++ b/arch/arm/mach-s5pv210/Makefile @@ -12,8 +12,8 @@ obj- := # Core -obj-y += common.o clock.o - +obj-y += common.o +obj-$(CONFIG_S5P_CLOCK) += clock.o obj-$(CONFIG_PM) += pm.o obj-y += dma.o diff --git a/arch/arm/mach-s5pv210/common.c b/arch/arm/mach-s5pv210/common.c index 26027a2..48ce5f8 100644 --- a/arch/arm/mach-s5pv210/common.c +++ b/arch/arm/mach-s5pv210/common.c @@ -24,6 +24,7 @@ #include <linux/sched.h> #include <linux/dma-mapping.h> #include <linux/serial_core.h> +#include <linux/of.h> #include <asm/proc-fns.h> #include <asm/mach/arch.h> @@ -34,7 +35,13 @@ #include <mach/regs-clock.h> #include <plat/cpu.h> + +#ifdef CONFIG_S5P_CLOCK #include <plat/clock.h> +#else +#include <linux/clk-provider.h> +#endif + #include <plat/devs.h> #include <plat/sdhci.h> #include <plat/adc-core.h> @@ -50,6 +57,9 @@ #include "common.h" +/* External clock frequency */ +static unsigned long xusbxti_f; + static const char name_s5pv210[] = "S5PV210/S5PC110"; static struct cpu_table cpu_ids[] __initdata = { @@ -229,12 +239,16 @@ void __init s5pv210_map_io(void) void __init s5pv210_init_clocks(int xtal) { +#ifdef CONFIG_S5P_CLOCK printk(KERN_DEBUG "%s: initializing clocks\n", __func__); s3c24xx_register_baseclocks(xtal); s5p_register_clocks(xtal); s5pv210_register_clocks(); s5pv210_setup_clocks(); +#else + xusbxti_f = xtal; +#endif } void __init s5pv210_init_irq(void) @@ -248,6 +262,9 @@ void __init s5pv210_init_irq(void) vic[3] = ~0; s5p_init_irq(vic, ARRAY_SIZE(vic)); + + if (!of_have_populated_dt()) + s5pv210_clk_init(NULL, 0, xusbxti_f, S3C_VA_SYS); } struct bus_type s5pv210_subsys = { diff --git a/arch/arm/mach-s5pv210/common.h b/arch/arm/mach-s5pv210/common.h index fe1beb5..cf3136a 100644 --- a/arch/arm/mach-s5pv210/common.h +++ b/arch/arm/mach-s5pv210/common.h @@ -14,6 +14,16 @@ #include <linux/reboot.h> +#ifdef CONFIG_COMMON_CLK_S5PV210 +void s5pv210_clk_init(struct device_node *np, + unsigned long xxti_f, unsigned long xusbxti_f, + void __iomem *reg_base); +#else +static inline void s5pv210_clk_init(struct device_node *np, + unsigned long xxti_f, unsigned long xusbxti_f, + void __iomem *reg_base) {} +#endif + void s5pv210_init_io(struct map_desc *mach_desc, int size); void s5pv210_init_irq(void); diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index 282d714..4c9681b 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -966,7 +966,7 @@ static void __init goni_sound_init(void) static void __init goni_map_io(void) { s5pv210_init_io(NULL, 0); - s3c24xx_init_clocks(clk_xusbxti.rate); + s3c24xx_init_clocks(24000000); s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c index 6d72bb99..f13aa99 100644 --- a/arch/arm/mach-s5pv210/mach-smdkv210.c +++ b/arch/arm/mach-s5pv210/mach-smdkv210.c @@ -284,7 +284,7 @@ static struct platform_pwm_backlight_data smdkv210_bl_data = { static void __init smdkv210_map_io(void) { s5pv210_init_io(NULL, 0); - s3c24xx_init_clocks(clk_xusbxti.rate); + s3c24xx_init_clocks(24000000); s3c24xx_init_uarts(smdkv210_uartcfgs, ARRAY_SIZE(smdkv210_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM2, SAMSUNG_PWM4); } diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index 7dfba93..2a98613 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -91,7 +91,7 @@ config SAMSUNG_CLKSRC used by newer systems such as the S3C64XX. config S5P_CLOCK - def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210) + def_bool (ARCH_S5P64X0 || ARCH_S5PC100) help Support common clock part for ARCH_S5P and ARCH_EXYNOS SoCs -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html