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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 12:38:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 12:38:42 -0700
commitae4c42e4e4d76d003f8ca551fe1aef93ff9a4b21 (patch)
tree2bff2e4f4456077e7d7c589c8c28824f12dfa21c /arch/arm/plat-s5p
parentdd58ecba48edf14be1a5f70120fcd3002277a74a (diff)
parentab2a0e0d135490729e384c1826d118f92e88cae8 (diff)
Merge branch 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (133 commits) ARM: EXYNOS4: Change devname for FIMD clkdev ARM: S3C64XX: Cleanup mach/regs-fb.h from mach-s3c64xx ARM: S5PV210: Cleanup mach/regs-fb.h from mach-s5pv210 ARM: S5PC100: Cleanup mach/regs-fb.h from mach-s5pc100 ARM: S3C24XX: Use generic s3c_set_platdata for devices ARM: S3C64XX: Use generic s3c_set_platdata for OneNAND ARM: SAMSUNG: Use generic s3c_set_platdata for NAND ARM: SAMSUNG: Use generic s3c_set_platdata for USB OHCI ARM: SAMSUNG: Use generic s3c_set_platdata for HWMON ARM: SAMSUNG: Use generic s3c_set_platdata for FB ARM: SAMSUNG: Use generic s3c_set_platdata for TS ARM: S3C64XX: Add PWM backlight support on SMDK6410 ARM: S5P64X0: Add PWM backlight support on SMDK6450 ARM: S5P64X0: Add PWM backlight support on SMDK6440 ARM: S5PC100: Add PWM backlight support on SMDKC100 ARM: S5PV210: Add PWM backlight support on SMDKV210 ARM: EXYNOS4: Add PWM backlight support on SMDKC210 ARM: EXYNOS4: Add PWM backlight support on SMDKV310 ARM: SAMSUNG: Create a common infrastructure for PWM backlight support clocksource: convert 32-bit down counting clocksource on S5PV210/S5P64X0 ... Fix up trivial conflict in arch/arm/mach-imx/mach-scb9328.c
Diffstat (limited to 'arch/arm/plat-s5p')
-rw-r--r--arch/arm/plat-s5p/clock.c35
-rw-r--r--arch/arm/plat-s5p/include/plat/s5p-clock.h5
-rw-r--r--arch/arm/plat-s5p/s5p-time.c29
3 files changed, 52 insertions, 17 deletions
diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c
index 8d081d968c5..02af235298e 100644
--- a/arch/arm/plat-s5p/clock.c
+++ b/arch/arm/plat-s5p/clock.c
@@ -168,6 +168,41 @@ unsigned long s5p_epll_get_rate(struct clk *clk)
return clk->rate;
}
+int s5p_spdif_set_rate(struct clk *clk, unsigned long rate)
+{
+ struct clk *pclk;
+ int ret;
+
+ pclk = clk_get_parent(clk);
+ if (IS_ERR(pclk))
+ return -EINVAL;
+
+ ret = pclk->ops->set_rate(pclk, rate);
+ clk_put(pclk);
+
+ return ret;
+}
+
+unsigned long s5p_spdif_get_rate(struct clk *clk)
+{
+ struct clk *pclk;
+ int rate;
+
+ pclk = clk_get_parent(clk);
+ if (IS_ERR(pclk))
+ return -EINVAL;
+
+ rate = pclk->ops->get_rate(clk);
+ clk_put(pclk);
+
+ return rate;
+}
+
+struct clk_ops s5p_sclk_spdif_ops = {
+ .set_rate = s5p_spdif_set_rate,
+ .get_rate = s5p_spdif_get_rate,
+};
+
static struct clk *s5p_clks[] __initdata = {
&clk_ext_xtal_mux,
&clk_48m,
diff --git a/arch/arm/plat-s5p/include/plat/s5p-clock.h b/arch/arm/plat-s5p/include/plat/s5p-clock.h
index 2b6dcff8ab2..769b5bdfb04 100644
--- a/arch/arm/plat-s5p/include/plat/s5p-clock.h
+++ b/arch/arm/plat-s5p/include/plat/s5p-clock.h
@@ -47,4 +47,9 @@ extern int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable);
extern int s5p_epll_enable(struct clk *clk, int enable);
extern unsigned long s5p_epll_get_rate(struct clk *clk);
+/* SPDIF clk operations common for S5PC100/V210/C110 and Exynos4 */
+extern int s5p_spdif_set_rate(struct clk *clk, unsigned long rate);
+extern unsigned long s5p_spdif_get_rate(struct clk *clk);
+
+extern struct clk_ops s5p_sclk_spdif_ops;
#endif /* __ASM_PLAT_S5P_CLOCK_H */
diff --git a/arch/arm/plat-s5p/s5p-time.c b/arch/arm/plat-s5p/s5p-time.c
index 612934c48b0..c833e7b5759 100644
--- a/arch/arm/plat-s5p/s5p-time.c
+++ b/arch/arm/plat-s5p/s5p-time.c
@@ -314,13 +314,6 @@ static void __iomem *s5p_timer_reg(void)
return S3C_TIMERREG(offset);
}
-static cycle_t s5p_timer_read(struct clocksource *cs)
-{
- void __iomem *reg = s5p_timer_reg();
-
- return (cycle_t) (reg ? ~__raw_readl(reg) : 0);
-}
-
/*
* Override the global weak sched_clock symbol with this
* local implementation which uses the clocksource to get some
@@ -350,14 +343,6 @@ static void notrace s5p_update_sched_clock(void)
update_sched_clock(&cd, ~__raw_readl(reg), (u32)~0);
}
-struct clocksource time_clocksource = {
- .name = "s5p_clocksource_timer",
- .rating = 250,
- .read = s5p_timer_read,
- .mask = CLOCKSOURCE_MASK(32),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
static void __init s5p_clocksource_init(void)
{
unsigned long pclk;
@@ -375,8 +360,9 @@ static void __init s5p_clocksource_init(void)
init_sched_clock(&cd, s5p_update_sched_clock, 32, clock_rate);
- if (clocksource_register_hz(&time_clocksource, clock_rate))
- panic("%s: can't register clocksource\n", time_clocksource.name);
+ if (clocksource_mmio_init(s5p_timer_reg(), "s5p_clocksource_timer",
+ clock_rate, 250, 32, clocksource_mmio_readl_down))
+ panic("s5p_clocksource_timer: can't register clocksource\n");
}
static void __init s5p_timer_resources(void)
@@ -384,6 +370,7 @@ static void __init s5p_timer_resources(void)
unsigned long event_id = timer_source.event_id;
unsigned long source_id = timer_source.source_id;
+ char devname[15];
timerclk = clk_get(NULL, "timers");
if (IS_ERR(timerclk))
@@ -391,6 +378,10 @@ static void __init s5p_timer_resources(void)
clk_enable(timerclk);
+ sprintf(devname, "s3c24xx-pwm.%lu", event_id);
+ s3c_device_timer[event_id].id = event_id;
+ s3c_device_timer[event_id].dev.init_name = devname;
+
tin_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tin");
if (IS_ERR(tin_event))
panic("failed to get pwm-tin clock for event timer");
@@ -401,6 +392,10 @@ static void __init s5p_timer_resources(void)
clk_enable(tin_event);
+ sprintf(devname, "s3c24xx-pwm.%lu", source_id);
+ s3c_device_timer[source_id].id = source_id;
+ s3c_device_timer[source_id].dev.init_name = devname;
+
tin_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tin");
if (IS_ERR(tin_source))
panic("failed to get pwm-tin clock for source timer");