From: Kukjin Kim Date: Tue, 17 Apr 2012 18:20:49 +0000 (-0700) Subject: ARM: SAMSUNG: move hr timer for common s5p into plat-samsung X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=33bf33278fa608428c46d4fab58ae5bc3e3acfde;p=deliverable%2Flinux.git ARM: SAMSUNG: move hr timer for common s5p into plat-samsung Signed-off-by: Kukjin Kim --- diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig index 8e45c8b15d1b..795790df7404 100644 --- a/arch/arm/plat-s5p/Kconfig +++ b/arch/arm/plat-s5p/Kconfig @@ -23,12 +23,6 @@ config PLAT_S5P help Base platform code for Samsung's S5P series SoC. -config S5P_HRT - bool - select SAMSUNG_DEV_PWM - help - Use the High Resolution timer support - config S5P_DEV_UART def_bool y depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210) diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile index c81106f5d7c1..0a2ce38b179f 100644 --- a/arch/arm/plat-s5p/Makefile +++ b/arch/arm/plat-s5p/Makefile @@ -10,10 +10,6 @@ obj-m := obj-n := dummy.o obj- := -# Core files - -obj-$(CONFIG_S5P_HRT) += s5p-time.o - # devices obj-$(CONFIG_S5P_DEV_UART) += dev-uart.o diff --git a/arch/arm/plat-s5p/s5p-time.c b/arch/arm/plat-s5p/s5p-time.c deleted file mode 100644 index 17c0a2c58dfd..000000000000 --- a/arch/arm/plat-s5p/s5p-time.c +++ /dev/null @@ -1,406 +0,0 @@ -/* linux/arch/arm/plat-s5p/s5p-time.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * S5P - Common hr-timer support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -static struct clk *tin_event; -static struct clk *tin_source; -static struct clk *tdiv_event; -static struct clk *tdiv_source; -static struct clk *timerclk; -static struct s5p_timer_source timer_source; -static unsigned long clock_count_per_tick; -static void s5p_timer_resume(void); - -static void s5p_time_stop(enum s5p_timer_mode mode) -{ - unsigned long tcon; - - tcon = __raw_readl(S3C2410_TCON); - - switch (mode) { - case S5P_PWM0: - tcon &= ~S3C2410_TCON_T0START; - break; - - case S5P_PWM1: - tcon &= ~S3C2410_TCON_T1START; - break; - - case S5P_PWM2: - tcon &= ~S3C2410_TCON_T2START; - break; - - case S5P_PWM3: - tcon &= ~S3C2410_TCON_T3START; - break; - - case S5P_PWM4: - tcon &= ~S3C2410_TCON_T4START; - break; - - default: - printk(KERN_ERR "Invalid Timer %d\n", mode); - break; - } - __raw_writel(tcon, S3C2410_TCON); -} - -static void s5p_time_setup(enum s5p_timer_mode mode, unsigned long tcnt) -{ - unsigned long tcon; - - tcon = __raw_readl(S3C2410_TCON); - - tcnt--; - - switch (mode) { - case S5P_PWM0: - tcon &= ~(0x0f << 0); - tcon |= S3C2410_TCON_T0MANUALUPD; - break; - - case S5P_PWM1: - tcon &= ~(0x0f << 8); - tcon |= S3C2410_TCON_T1MANUALUPD; - break; - - case S5P_PWM2: - tcon &= ~(0x0f << 12); - tcon |= S3C2410_TCON_T2MANUALUPD; - break; - - case S5P_PWM3: - tcon &= ~(0x0f << 16); - tcon |= S3C2410_TCON_T3MANUALUPD; - break; - - case S5P_PWM4: - tcon &= ~(0x07 << 20); - tcon |= S3C2410_TCON_T4MANUALUPD; - break; - - default: - printk(KERN_ERR "Invalid Timer %d\n", mode); - break; - } - - __raw_writel(tcnt, S3C2410_TCNTB(mode)); - __raw_writel(tcnt, S3C2410_TCMPB(mode)); - __raw_writel(tcon, S3C2410_TCON); -} - -static void s5p_time_start(enum s5p_timer_mode mode, bool periodic) -{ - unsigned long tcon; - - tcon = __raw_readl(S3C2410_TCON); - - switch (mode) { - case S5P_PWM0: - tcon |= S3C2410_TCON_T0START; - tcon &= ~S3C2410_TCON_T0MANUALUPD; - - if (periodic) - tcon |= S3C2410_TCON_T0RELOAD; - else - tcon &= ~S3C2410_TCON_T0RELOAD; - break; - - case S5P_PWM1: - tcon |= S3C2410_TCON_T1START; - tcon &= ~S3C2410_TCON_T1MANUALUPD; - - if (periodic) - tcon |= S3C2410_TCON_T1RELOAD; - else - tcon &= ~S3C2410_TCON_T1RELOAD; - break; - - case S5P_PWM2: - tcon |= S3C2410_TCON_T2START; - tcon &= ~S3C2410_TCON_T2MANUALUPD; - - if (periodic) - tcon |= S3C2410_TCON_T2RELOAD; - else - tcon &= ~S3C2410_TCON_T2RELOAD; - break; - - case S5P_PWM3: - tcon |= S3C2410_TCON_T3START; - tcon &= ~S3C2410_TCON_T3MANUALUPD; - - if (periodic) - tcon |= S3C2410_TCON_T3RELOAD; - else - tcon &= ~S3C2410_TCON_T3RELOAD; - break; - - case S5P_PWM4: - tcon |= S3C2410_TCON_T4START; - tcon &= ~S3C2410_TCON_T4MANUALUPD; - - if (periodic) - tcon |= S3C2410_TCON_T4RELOAD; - else - tcon &= ~S3C2410_TCON_T4RELOAD; - break; - - default: - printk(KERN_ERR "Invalid Timer %d\n", mode); - break; - } - __raw_writel(tcon, S3C2410_TCON); -} - -static int s5p_set_next_event(unsigned long cycles, - struct clock_event_device *evt) -{ - s5p_time_setup(timer_source.event_id, cycles); - s5p_time_start(timer_source.event_id, NON_PERIODIC); - - return 0; -} - -static void s5p_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) -{ - s5p_time_stop(timer_source.event_id); - - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - s5p_time_setup(timer_source.event_id, clock_count_per_tick); - s5p_time_start(timer_source.event_id, PERIODIC); - break; - - case CLOCK_EVT_MODE_ONESHOT: - break; - - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - break; - - case CLOCK_EVT_MODE_RESUME: - s5p_timer_resume(); - break; - } -} - -static void s5p_timer_resume(void) -{ - /* event timer restart */ - s5p_time_setup(timer_source.event_id, clock_count_per_tick); - s5p_time_start(timer_source.event_id, PERIODIC); - - /* source timer restart */ - s5p_time_setup(timer_source.source_id, TCNT_MAX); - s5p_time_start(timer_source.source_id, PERIODIC); -} - -void __init s5p_set_timer_source(enum s5p_timer_mode event, - enum s5p_timer_mode source) -{ - s3c_device_timer[event].dev.bus = &platform_bus_type; - s3c_device_timer[source].dev.bus = &platform_bus_type; - - timer_source.event_id = event; - timer_source.source_id = source; -} - -static struct clock_event_device time_event_device = { - .name = "s5p_event_timer", - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .rating = 200, - .set_next_event = s5p_set_next_event, - .set_mode = s5p_set_mode, -}; - -static irqreturn_t s5p_clock_event_isr(int irq, void *dev_id) -{ - struct clock_event_device *evt = dev_id; - - evt->event_handler(evt); - - return IRQ_HANDLED; -} - -static struct irqaction s5p_clock_event_irq = { - .name = "s5p_time_irq", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = s5p_clock_event_isr, - .dev_id = &time_event_device, -}; - -static void __init s5p_clockevent_init(void) -{ - unsigned long pclk; - unsigned long clock_rate; - unsigned int irq_number; - struct clk *tscaler; - - pclk = clk_get_rate(timerclk); - - tscaler = clk_get_parent(tdiv_event); - - clk_set_rate(tscaler, pclk / 2); - clk_set_rate(tdiv_event, pclk / 2); - clk_set_parent(tin_event, tdiv_event); - - clock_rate = clk_get_rate(tin_event); - clock_count_per_tick = clock_rate / HZ; - - clockevents_calc_mult_shift(&time_event_device, - clock_rate, S5PTIMER_MIN_RANGE); - time_event_device.max_delta_ns = - clockevent_delta2ns(-1, &time_event_device); - time_event_device.min_delta_ns = - clockevent_delta2ns(1, &time_event_device); - - time_event_device.cpumask = cpumask_of(0); - clockevents_register_device(&time_event_device); - - irq_number = timer_source.event_id + IRQ_TIMER0; - setup_irq(irq_number, &s5p_clock_event_irq); -} - -static void __iomem *s5p_timer_reg(void) -{ - unsigned long offset = 0; - - switch (timer_source.source_id) { - case S5P_PWM0: - case S5P_PWM1: - case S5P_PWM2: - case S5P_PWM3: - offset = (timer_source.source_id * 0x0c) + 0x14; - break; - - case S5P_PWM4: - offset = 0x40; - break; - - default: - printk(KERN_ERR "Invalid Timer %d\n", timer_source.source_id); - return NULL; - } - - return S3C_TIMERREG(offset); -} - -/* - * Override the global weak sched_clock symbol with this - * local implementation which uses the clocksource to get some - * better resolution when scheduling the kernel. We accept that - * this wraps around for now, since it is just a relative time - * stamp. (Inspired by U300 implementation.) - */ -static u32 notrace s5p_read_sched_clock(void) -{ - void __iomem *reg = s5p_timer_reg(); - - if (!reg) - return 0; - - return ~__raw_readl(reg); -} - -static void __init s5p_clocksource_init(void) -{ - unsigned long pclk; - unsigned long clock_rate; - - pclk = clk_get_rate(timerclk); - - clk_set_rate(tdiv_source, pclk / 2); - clk_set_parent(tin_source, tdiv_source); - - clock_rate = clk_get_rate(tin_source); - - s5p_time_setup(timer_source.source_id, TCNT_MAX); - s5p_time_start(timer_source.source_id, PERIODIC); - - setup_sched_clock(s5p_read_sched_clock, 32, clock_rate); - - 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) -{ - - 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)) - panic("failed to get timers clock for timer"); - - 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"); - - tdiv_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tdiv"); - if (IS_ERR(tdiv_event)) - panic("failed to get pwm-tdiv clock for event timer"); - - 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"); - - tdiv_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tdiv"); - if (IS_ERR(tdiv_source)) - panic("failed to get pwm-tdiv clock for source timer"); - - clk_enable(tin_source); -} - -static void __init s5p_timer_init(void) -{ - s5p_timer_resources(); - s5p_clockevent_init(); - s5p_clocksource_init(); -} - -struct sys_timer s5p_timer = { - .init = s5p_timer_init, -}; diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index 218462361e31..1922413f2ee7 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -50,6 +50,14 @@ config S3C_LOWLEVEL_UART_PORT this configuration should be between zero and two. The port must have been initialised by the boot-loader before use. +# timer options + +config S5P_HRT + bool + select SAMSUNG_DEV_PWM + help + Use the High Resolution timer support + # clock options config SAMSUNG_CLKSRC diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index caa6f9af1f3d..6217c41e6260 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -13,6 +13,8 @@ obj- := obj-y += init.o cpu.o obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET) += time.o +obj-$(CONFIG_S5P_HRT) += s5p-time.o + obj-y += clock.o obj-y += pwm-clock.o diff --git a/arch/arm/plat-samsung/s5p-time.c b/arch/arm/plat-samsung/s5p-time.c new file mode 100644 index 000000000000..028b6e877eb9 --- /dev/null +++ b/arch/arm/plat-samsung/s5p-time.c @@ -0,0 +1,405 @@ +/* + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P - Common hr-timer support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +static struct clk *tin_event; +static struct clk *tin_source; +static struct clk *tdiv_event; +static struct clk *tdiv_source; +static struct clk *timerclk; +static struct s5p_timer_source timer_source; +static unsigned long clock_count_per_tick; +static void s5p_timer_resume(void); + +static void s5p_time_stop(enum s5p_timer_mode mode) +{ + unsigned long tcon; + + tcon = __raw_readl(S3C2410_TCON); + + switch (mode) { + case S5P_PWM0: + tcon &= ~S3C2410_TCON_T0START; + break; + + case S5P_PWM1: + tcon &= ~S3C2410_TCON_T1START; + break; + + case S5P_PWM2: + tcon &= ~S3C2410_TCON_T2START; + break; + + case S5P_PWM3: + tcon &= ~S3C2410_TCON_T3START; + break; + + case S5P_PWM4: + tcon &= ~S3C2410_TCON_T4START; + break; + + default: + printk(KERN_ERR "Invalid Timer %d\n", mode); + break; + } + __raw_writel(tcon, S3C2410_TCON); +} + +static void s5p_time_setup(enum s5p_timer_mode mode, unsigned long tcnt) +{ + unsigned long tcon; + + tcon = __raw_readl(S3C2410_TCON); + + tcnt--; + + switch (mode) { + case S5P_PWM0: + tcon &= ~(0x0f << 0); + tcon |= S3C2410_TCON_T0MANUALUPD; + break; + + case S5P_PWM1: + tcon &= ~(0x0f << 8); + tcon |= S3C2410_TCON_T1MANUALUPD; + break; + + case S5P_PWM2: + tcon &= ~(0x0f << 12); + tcon |= S3C2410_TCON_T2MANUALUPD; + break; + + case S5P_PWM3: + tcon &= ~(0x0f << 16); + tcon |= S3C2410_TCON_T3MANUALUPD; + break; + + case S5P_PWM4: + tcon &= ~(0x07 << 20); + tcon |= S3C2410_TCON_T4MANUALUPD; + break; + + default: + printk(KERN_ERR "Invalid Timer %d\n", mode); + break; + } + + __raw_writel(tcnt, S3C2410_TCNTB(mode)); + __raw_writel(tcnt, S3C2410_TCMPB(mode)); + __raw_writel(tcon, S3C2410_TCON); +} + +static void s5p_time_start(enum s5p_timer_mode mode, bool periodic) +{ + unsigned long tcon; + + tcon = __raw_readl(S3C2410_TCON); + + switch (mode) { + case S5P_PWM0: + tcon |= S3C2410_TCON_T0START; + tcon &= ~S3C2410_TCON_T0MANUALUPD; + + if (periodic) + tcon |= S3C2410_TCON_T0RELOAD; + else + tcon &= ~S3C2410_TCON_T0RELOAD; + break; + + case S5P_PWM1: + tcon |= S3C2410_TCON_T1START; + tcon &= ~S3C2410_TCON_T1MANUALUPD; + + if (periodic) + tcon |= S3C2410_TCON_T1RELOAD; + else + tcon &= ~S3C2410_TCON_T1RELOAD; + break; + + case S5P_PWM2: + tcon |= S3C2410_TCON_T2START; + tcon &= ~S3C2410_TCON_T2MANUALUPD; + + if (periodic) + tcon |= S3C2410_TCON_T2RELOAD; + else + tcon &= ~S3C2410_TCON_T2RELOAD; + break; + + case S5P_PWM3: + tcon |= S3C2410_TCON_T3START; + tcon &= ~S3C2410_TCON_T3MANUALUPD; + + if (periodic) + tcon |= S3C2410_TCON_T3RELOAD; + else + tcon &= ~S3C2410_TCON_T3RELOAD; + break; + + case S5P_PWM4: + tcon |= S3C2410_TCON_T4START; + tcon &= ~S3C2410_TCON_T4MANUALUPD; + + if (periodic) + tcon |= S3C2410_TCON_T4RELOAD; + else + tcon &= ~S3C2410_TCON_T4RELOAD; + break; + + default: + printk(KERN_ERR "Invalid Timer %d\n", mode); + break; + } + __raw_writel(tcon, S3C2410_TCON); +} + +static int s5p_set_next_event(unsigned long cycles, + struct clock_event_device *evt) +{ + s5p_time_setup(timer_source.event_id, cycles); + s5p_time_start(timer_source.event_id, NON_PERIODIC); + + return 0; +} + +static void s5p_set_mode(enum clock_event_mode mode, + struct clock_event_device *evt) +{ + s5p_time_stop(timer_source.event_id); + + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + s5p_time_setup(timer_source.event_id, clock_count_per_tick); + s5p_time_start(timer_source.event_id, PERIODIC); + break; + + case CLOCK_EVT_MODE_ONESHOT: + break; + + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + break; + + case CLOCK_EVT_MODE_RESUME: + s5p_timer_resume(); + break; + } +} + +static void s5p_timer_resume(void) +{ + /* event timer restart */ + s5p_time_setup(timer_source.event_id, clock_count_per_tick); + s5p_time_start(timer_source.event_id, PERIODIC); + + /* source timer restart */ + s5p_time_setup(timer_source.source_id, TCNT_MAX); + s5p_time_start(timer_source.source_id, PERIODIC); +} + +void __init s5p_set_timer_source(enum s5p_timer_mode event, + enum s5p_timer_mode source) +{ + s3c_device_timer[event].dev.bus = &platform_bus_type; + s3c_device_timer[source].dev.bus = &platform_bus_type; + + timer_source.event_id = event; + timer_source.source_id = source; +} + +static struct clock_event_device time_event_device = { + .name = "s5p_event_timer", + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .rating = 200, + .set_next_event = s5p_set_next_event, + .set_mode = s5p_set_mode, +}; + +static irqreturn_t s5p_clock_event_isr(int irq, void *dev_id) +{ + struct clock_event_device *evt = dev_id; + + evt->event_handler(evt); + + return IRQ_HANDLED; +} + +static struct irqaction s5p_clock_event_irq = { + .name = "s5p_time_irq", + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .handler = s5p_clock_event_isr, + .dev_id = &time_event_device, +}; + +static void __init s5p_clockevent_init(void) +{ + unsigned long pclk; + unsigned long clock_rate; + unsigned int irq_number; + struct clk *tscaler; + + pclk = clk_get_rate(timerclk); + + tscaler = clk_get_parent(tdiv_event); + + clk_set_rate(tscaler, pclk / 2); + clk_set_rate(tdiv_event, pclk / 2); + clk_set_parent(tin_event, tdiv_event); + + clock_rate = clk_get_rate(tin_event); + clock_count_per_tick = clock_rate / HZ; + + clockevents_calc_mult_shift(&time_event_device, + clock_rate, S5PTIMER_MIN_RANGE); + time_event_device.max_delta_ns = + clockevent_delta2ns(-1, &time_event_device); + time_event_device.min_delta_ns = + clockevent_delta2ns(1, &time_event_device); + + time_event_device.cpumask = cpumask_of(0); + clockevents_register_device(&time_event_device); + + irq_number = timer_source.event_id + IRQ_TIMER0; + setup_irq(irq_number, &s5p_clock_event_irq); +} + +static void __iomem *s5p_timer_reg(void) +{ + unsigned long offset = 0; + + switch (timer_source.source_id) { + case S5P_PWM0: + case S5P_PWM1: + case S5P_PWM2: + case S5P_PWM3: + offset = (timer_source.source_id * 0x0c) + 0x14; + break; + + case S5P_PWM4: + offset = 0x40; + break; + + default: + printk(KERN_ERR "Invalid Timer %d\n", timer_source.source_id); + return NULL; + } + + return S3C_TIMERREG(offset); +} + +/* + * Override the global weak sched_clock symbol with this + * local implementation which uses the clocksource to get some + * better resolution when scheduling the kernel. We accept that + * this wraps around for now, since it is just a relative time + * stamp. (Inspired by U300 implementation.) + */ +static u32 notrace s5p_read_sched_clock(void) +{ + void __iomem *reg = s5p_timer_reg(); + + if (!reg) + return 0; + + return ~__raw_readl(reg); +} + +static void __init s5p_clocksource_init(void) +{ + unsigned long pclk; + unsigned long clock_rate; + + pclk = clk_get_rate(timerclk); + + clk_set_rate(tdiv_source, pclk / 2); + clk_set_parent(tin_source, tdiv_source); + + clock_rate = clk_get_rate(tin_source); + + s5p_time_setup(timer_source.source_id, TCNT_MAX); + s5p_time_start(timer_source.source_id, PERIODIC); + + setup_sched_clock(s5p_read_sched_clock, 32, clock_rate); + + 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) +{ + + 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)) + panic("failed to get timers clock for timer"); + + 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"); + + tdiv_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tdiv"); + if (IS_ERR(tdiv_event)) + panic("failed to get pwm-tdiv clock for event timer"); + + 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"); + + tdiv_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tdiv"); + if (IS_ERR(tdiv_source)) + panic("failed to get pwm-tdiv clock for source timer"); + + clk_enable(tin_source); +} + +static void __init s5p_timer_init(void) +{ + s5p_timer_resources(); + s5p_clockevent_init(); + s5p_clocksource_init(); +} + +struct sys_timer s5p_timer = { + .init = s5p_timer_init, +};