ARM: SAMSUNG: Move all platforms to new clocksource driver

This patch moves all Samsung platforms using PWM clocksource from legacy
samsung-time to new samsung-pwm-timer driver.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Mark Brown <broonie@linaro.org>
Tested-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

12 files changed, 89 insertions, 24 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 43594d5116ef..341b756508c5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -700,7 +700,7 @@ config ARCH_S3C24XX
         select ARCH_HAS_CPUFREQ
         select ARCH_REQUIRE_GPIOLIB
         select CLKDEV_LOOKUP
-        select CLKSRC_MMIO
+        select CLKSRC_SAMSUNG_PWM
         select GENERIC_CLOCKEVENTS
         select GPIO_SAMSUNG
         select HAVE_CLK
@@ -723,7 +723,7 @@ config ARCH_S3C64XX
         select ARCH_REQUIRE_GPIOLIB
         select ARM_VIC
         select CLKDEV_LOOKUP
-        select CLKSRC_MMIO
+        select CLKSRC_SAMSUNG_PWM
         select CPU_V6
         select GENERIC_CLOCKEVENTS
         select GPIO_SAMSUNG
@@ -748,7 +748,7 @@ config ARCH_S3C64XX
 config ARCH_S5P64X0
         bool "Samsung S5P6440 S5P6450"
         select CLKDEV_LOOKUP
-        select CLKSRC_MMIO
+        select CLKSRC_SAMSUNG_PWM
         select CPU_V6
         select GENERIC_CLOCKEVENTS
         select GPIO_SAMSUNG
@@ -767,7 +767,7 @@ config ARCH_S5PC100
         bool "Samsung S5PC100"
         select ARCH_REQUIRE_GPIOLIB
         select CLKDEV_LOOKUP
-        select CLKSRC_MMIO
+        select CLKSRC_SAMSUNG_PWM
         select CPU_V7
         select GENERIC_CLOCKEVENTS
         select GPIO_SAMSUNG
@@ -787,7 +787,7 @@ config ARCH_S5PV210
         select ARCH_HAS_HOLES_MEMORYMODEL
         select ARCH_SPARSEMEM_ENABLE
         select CLKDEV_LOOKUP
-        select CLKSRC_MMIO
+        select CLKSRC_SAMSUNG_PWM
         select CPU_V7
         select GENERIC_CLOCKEVENTS
         select GPIO_SAMSUNG
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
index 7791ac76f945..dba2173e70f3 100644
--- a/arch/arm/mach-s3c24xx/Kconfig
+++ b/arch/arm/mach-s3c24xx/Kconfig
@@ -30,7 +30,6 @@ config CPU_S3C2410
         select S3C2410_CLOCK
         select ARM_S3C2410_CPUFREQ if ARM_S3C24XX_CPUFREQ
         select S3C2410_PM if PM
-        select SAMSUNG_HRT
         select SAMSUNG_WDT_RESET
         help
           Support for S3C2410 and S3C2410A family from the S3C24XX line
@@ -42,7 +41,6 @@ config CPU_S3C2412
         select CPU_LLSERIAL_S3C2440
         select S3C2412_DMA if S3C24XX_DMA
         select S3C2412_PM if PM
-        select SAMSUNG_HRT
         help
           Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line
 
@@ -54,7 +52,6 @@ config CPU_S3C2416
         select S3C2443_COMMON
         select S3C2443_DMA if S3C24XX_DMA
         select SAMSUNG_CLKSRC
-        select SAMSUNG_HRT
         help
           Support for the S3C2416 SoC from the S3C24XX line
 
@@ -65,7 +62,6 @@ config CPU_S3C2440
         select S3C2410_CLOCK
         select S3C2410_PM if PM
         select S3C2440_DMA if S3C24XX_DMA
-        select SAMSUNG_HRT
         help
           Support for S3C2440 Samsung Mobile CPU based systems.
 
@@ -75,7 +71,6 @@ config CPU_S3C2442
         select CPU_LLSERIAL_S3C2440
         select S3C2410_CLOCK
         select S3C2410_PM if PM
-        select SAMSUNG_HRT
         help
           Support for S3C2442 Samsung Mobile CPU based systems.
 
@@ -91,7 +86,6 @@ config CPU_S3C2443
         select S3C2443_COMMON
         select S3C2443_DMA if S3C24XX_DMA
         select SAMSUNG_CLKSRC
-        select SAMSUNG_HRT
         help
           Support for the S3C2443 SoC from the S3C24XX line
 
diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c
index e5e7d7dee6f2..457261c98433 100644
--- a/arch/arm/mach-s3c24xx/common.c
+++ b/arch/arm/mach-s3c24xx/common.c
@@ -245,6 +245,22 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
         samsung_pwm_set_platdata(&s3c24xx_pwm_variant);
 }
 
+void __init samsung_set_timer_source(unsigned int event, unsigned int source)
+{
+        s3c24xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
+        s3c24xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
+}
+
+void __init samsung_timer_init(void)
+{
+        unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
+                IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2, IRQ_TIMER3, IRQ_TIMER4,
+        };
+
+        samsung_pwm_clocksource_init(S3C_VA_TIMER,
+                                        timer_irqs, &s3c24xx_pwm_variant);
+}
+
 /* Serial port registrations */
 
 #define S3C2410_PA_UART0      (S3C24XX_PA_UART)
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 20578536aec7..041da5172423 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -17,13 +17,11 @@ config PLAT_S3C64XX
 # Configuration options for the S3C6410 CPU
 
 config CPU_S3C6400
-        select SAMSUNG_HRT
         bool
         help
           Enable S3C6400 CPU support
 
 config CPU_S3C6410
-        select SAMSUNG_HRT
         bool
         help
           Enable S3C6410 CPU support
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index ca05e61f401c..73d79cf5e141 100644
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -43,7 +43,6 @@
 #include <plat/pm.h>
 #include <plat/gpio-cfg.h>
 #include <plat/irq-uart.h>
-#include <plat/irq-vic-timer.h>
 #include <plat/pwm-core.h>
 #include <plat/regs-irqtype.h>
 #include <plat/regs-serial.h>
@@ -158,6 +157,23 @@ static struct samsung_pwm_variant s3c64xx_pwm_variant = {
         .tclk_mask      = (1 << 7) | (1 << 6) | (1 << 5),
 };
 
+void __init samsung_set_timer_source(unsigned int event, unsigned int source)
+{
+        s3c64xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
+        s3c64xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
+}
+
+void __init samsung_timer_init(void)
+{
+        unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
+                IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
+                IRQ_TIMER3_VIC, IRQ_TIMER4_VIC,
+        };
+
+        samsung_pwm_clocksource_init(S3C_VA_TIMER,
+                                        timer_irqs, &s3c64xx_pwm_variant);
+}
+
 /* read cpu identification code */
 
 void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
@@ -206,9 +222,6 @@ void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
         /* initialise the pair of VICs */
         vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, IRQ_VIC0_RESUME);
         vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, IRQ_VIC1_RESUME);
-
-        /* add the timer sub-irqs */
-        s3c_init_vic_timer_irq(5, IRQ_TIMER0);
 }
 
 #define eint_offset(irq)        ((irq) - IRQ_EINT(0))
diff --git a/arch/arm/mach-s5p64x0/Kconfig b/arch/arm/mach-s5p64x0/Kconfig
index 5a707bdb9ea0..bb2111b3751e 100644
--- a/arch/arm/mach-s5p64x0/Kconfig
+++ b/arch/arm/mach-s5p64x0/Kconfig
@@ -11,14 +11,12 @@ config CPU_S5P6440
         bool
         select S5P_SLEEP if PM
         select SAMSUNG_DMADEV
-        select SAMSUNG_HRT
         select SAMSUNG_WAKEMASK if PM
         help
           Enable S5P6440 CPU support
 
 config CPU_S5P6450
         bool
-        select SAMSUNG_HRT
         select S5P_SLEEP if PM
         select SAMSUNG_DMADEV
         select SAMSUNG_WAKEMASK if PM
diff --git a/arch/arm/mach-s5p64x0/common.c b/arch/arm/mach-s5p64x0/common.c
index 49687f277108..42e14f2e7ca7 100644
--- a/arch/arm/mach-s5p64x0/common.c
+++ b/arch/arm/mach-s5p64x0/common.c
@@ -166,6 +166,23 @@ static struct samsung_pwm_variant s5p64x0_pwm_variant = {
         .tclk_mask      = 0,
 };
 
+void __init samsung_set_timer_source(unsigned int event, unsigned int source)
+{
+        s5p64x0_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
+        s5p64x0_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
+}
+
+void __init samsung_timer_init(void)
+{
+        unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
+                IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
+                IRQ_TIMER3_VIC, IRQ_TIMER4_VIC,
+        };
+
+        samsung_pwm_clocksource_init(S3C_VA_TIMER,
+                                        timer_irqs, &s5p64x0_pwm_variant);
+}
+
 /*
  * s5p64x0_map_io
  *
diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index 2f456a4533ba..15170be97a74 100644
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -11,7 +11,6 @@ config CPU_S5PC100
         bool
         select S5P_EXT_INT
         select SAMSUNG_DMADEV
-        select SAMSUNG_HRT
         help
           Enable S5PC100 CPU support
 
diff --git a/arch/arm/mach-s5pc100/common.c b/arch/arm/mach-s5pc100/common.c
index e0600afc587e..c5a8eeacf81c 100644
--- a/arch/arm/mach-s5pc100/common.c
+++ b/arch/arm/mach-s5pc100/common.c
@@ -141,6 +141,23 @@ static struct samsung_pwm_variant s5pc100_pwm_variant = {
         .tclk_mask      = (1 << 5),
 };
 
+void __init samsung_set_timer_source(unsigned int event, unsigned int source)
+{
+        s5pc100_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
+        s5pc100_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
+}
+
+void __init samsung_timer_init(void)
+{
+        unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
+                IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
+                IRQ_TIMER3_VIC, IRQ_TIMER4_VIC,
+        };
+
+        samsung_pwm_clocksource_init(S3C_VA_TIMER,
+                                        timer_irqs, &s5pc100_pwm_variant);
+}
+
 /*
  * s5pc100_map_io
  *
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 0963283a7c5d..caaedafbbf5f 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -15,7 +15,6 @@ config CPU_S5PV210
         select S5P_PM if PM
         select S5P_SLEEP if PM
         select SAMSUNG_DMADEV
-        select SAMSUNG_HRT
         help
           Enable S5PV210 CPU support
 
diff --git a/arch/arm/mach-s5pv210/common.c b/arch/arm/mach-s5pv210/common.c
index 306b29aa58bc..26027a29b8a1 100644
--- a/arch/arm/mach-s5pv210/common.c
+++ b/arch/arm/mach-s5pv210/common.c
@@ -157,6 +157,23 @@ static struct samsung_pwm_variant s5pv210_pwm_variant = {
         .tclk_mask      = (1 << 5),
 };
 
+void __init samsung_set_timer_source(unsigned int event, unsigned int source)
+{
+        s5pv210_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
+        s5pv210_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
+}
+
+void __init samsung_timer_init(void)
+{
+        unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
+                IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC,
+                IRQ_TIMER3_VIC, IRQ_TIMER4_VIC,
+        };
+
+        samsung_pwm_clocksource_init(S3C_VA_TIMER,
+                                        timer_irqs, &s5pv210_pwm_variant);
+}
+
 /*
  * s5pv210_map_io
  *
diff --git a/arch/arm/plat-samsung/s5p-irq.c b/arch/arm/plat-samsung/s5p-irq.c
index ff1a76011b1e..6729cb2aab56 100644
--- a/arch/arm/plat-samsung/s5p-irq.c
+++ b/arch/arm/plat-samsung/s5p-irq.c
@@ -19,7 +19,6 @@
 #include <mach/map.h>
 #include <plat/regs-timer.h>
 #include <plat/cpu.h>
-#include <plat/irq-vic-timer.h>
 
 void __init s5p_init_irq(u32 *vic, u32 num_vic)
 {
@@ -30,6 +29,4 @@ void __init s5p_init_irq(u32 *vic, u32 num_vic)
         for (irq = 0; irq < num_vic; irq++)
                 vic_init(VA_VIC(irq), VIC_BASE(irq), vic[irq], 0);
 #endif
-
-        s3c_init_vic_timer_irq(5, IRQ_TIMER0);
 }