diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_2420_data.c | 22 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_2430_data.c | 22 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 27 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 22 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/timer.c | 136 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/dmtimer.h | 12 |
6 files changed, 240 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index b6ea69a..6d72062 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -269,6 +269,16 @@ static struct omap_hwmod omap2420_iva_hwmod = { .masters_cnt = ARRAY_SIZE(omap2420_iva_masters), }; +/* always-on timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_alwon_dev_attr = { + .timer_capability = OMAP_TIMER_ALWON, +}; + +/* pwm timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_pwm_dev_attr = { + .timer_capability = OMAP_TIMER_HAS_PWM, +}; + /* timer1 */ static struct omap_hwmod omap2420_timer1_hwmod; @@ -309,6 +319,7 @@ static struct omap_hwmod omap2420_timer1_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT1_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer1_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer1_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -345,6 +356,7 @@ static struct omap_hwmod omap2420_timer2_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT2_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer2_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer2_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -381,6 +393,7 @@ static struct omap_hwmod omap2420_timer3_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT3_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer3_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer3_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -417,6 +430,7 @@ static struct omap_hwmod omap2420_timer4_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT4_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer4_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer4_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -453,6 +467,7 @@ static struct omap_hwmod omap2420_timer5_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT5_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer5_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer5_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -490,6 +505,7 @@ static struct omap_hwmod omap2420_timer6_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT6_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer6_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer6_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -526,6 +542,7 @@ static struct omap_hwmod omap2420_timer7_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT7_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer7_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer7_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -562,6 +579,7 @@ static struct omap_hwmod omap2420_timer8_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT8_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2420_timer8_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer8_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -598,6 +616,7 @@ static struct omap_hwmod omap2420_timer9_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT9_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2420_timer9_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer9_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -634,6 +653,7 @@ static struct omap_hwmod omap2420_timer10_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT10_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2420_timer10_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer10_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -670,6 +690,7 @@ static struct omap_hwmod omap2420_timer11_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT11_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2420_timer11_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer11_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -706,6 +727,7 @@ static struct omap_hwmod omap2420_timer12_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT12_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2420_timer12_slaves, .slaves_cnt = ARRAY_SIZE(omap2420_timer12_slaves), .class = &omap2xxx_timer_hwmod_class, diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index 56de8d6..a2580d0 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -343,6 +343,16 @@ static struct omap_hwmod omap2430_iva_hwmod = { .masters_cnt = ARRAY_SIZE(omap2430_iva_masters), }; +/* always-on timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_alwon_dev_attr = { + .timer_capability = OMAP_TIMER_ALWON, +}; + +/* pwm timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_pwm_dev_attr = { + .timer_capability = OMAP_TIMER_HAS_PWM, +}; + /* timer1 */ static struct omap_hwmod omap2430_timer1_hwmod; @@ -383,6 +393,7 @@ static struct omap_hwmod omap2430_timer1_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT1_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer1_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer1_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -419,6 +430,7 @@ static struct omap_hwmod omap2430_timer2_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT2_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer2_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer2_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -455,6 +467,7 @@ static struct omap_hwmod omap2430_timer3_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT3_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer3_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer3_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -491,6 +504,7 @@ static struct omap_hwmod omap2430_timer4_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT4_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer4_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer4_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -527,6 +541,7 @@ static struct omap_hwmod omap2430_timer5_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT5_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer5_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer5_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -563,6 +578,7 @@ static struct omap_hwmod omap2430_timer6_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT6_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer6_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer6_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -599,6 +615,7 @@ static struct omap_hwmod omap2430_timer7_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT7_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer7_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer7_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -635,6 +652,7 @@ static struct omap_hwmod omap2430_timer8_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT8_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap2430_timer8_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer8_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -671,6 +689,7 @@ static struct omap_hwmod omap2430_timer9_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT9_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2430_timer9_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer9_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -707,6 +726,7 @@ static struct omap_hwmod omap2430_timer10_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT10_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2430_timer10_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer10_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -743,6 +763,7 @@ static struct omap_hwmod omap2430_timer11_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT11_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2430_timer11_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer11_slaves), .class = &omap2xxx_timer_hwmod_class, @@ -779,6 +800,7 @@ static struct omap_hwmod omap2430_timer12_hwmod = { .idlest_idle_bit = OMAP24XX_ST_GPT12_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap2430_timer12_slaves, .slaves_cnt = ARRAY_SIZE(omap2430_timer12_slaves), .class = &omap2xxx_timer_hwmod_class, diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index ab35acb..2e4852d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -564,6 +564,21 @@ static struct omap_hwmod_class omap3xxx_timer_hwmod_class = { .rev = OMAP_TIMER_IP_VERSION_1, }; +/* secure timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_secure_dev_attr = { + .timer_capability = OMAP_TIMER_SECURE, +}; + +/* always-on timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_alwon_dev_attr = { + .timer_capability = OMAP_TIMER_ALWON, +}; + +/* pwm timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_pwm_dev_attr = { + .timer_capability = OMAP_TIMER_HAS_PWM, +}; + /* timer1 */ static struct omap_hwmod omap3xxx_timer1_hwmod; @@ -604,6 +619,7 @@ static struct omap_hwmod omap3xxx_timer1_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT1_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer1_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer1_slaves), .class = &omap3xxx_timer_1ms_hwmod_class, @@ -649,6 +665,7 @@ static struct omap_hwmod omap3xxx_timer2_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT2_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer2_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer2_slaves), .class = &omap3xxx_timer_1ms_hwmod_class, @@ -694,6 +711,7 @@ static struct omap_hwmod omap3xxx_timer3_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT3_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer3_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer3_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -739,6 +757,7 @@ static struct omap_hwmod omap3xxx_timer4_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT4_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer4_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer4_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -784,6 +803,7 @@ static struct omap_hwmod omap3xxx_timer5_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT5_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer5_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer5_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -829,6 +849,7 @@ static struct omap_hwmod omap3xxx_timer6_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT6_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer6_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer6_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -874,6 +895,7 @@ static struct omap_hwmod omap3xxx_timer7_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT7_SHIFT, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap3xxx_timer7_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer7_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -919,6 +941,7 @@ static struct omap_hwmod omap3xxx_timer8_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT8_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap3xxx_timer8_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer8_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -964,6 +987,7 @@ static struct omap_hwmod omap3xxx_timer9_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT9_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap3xxx_timer9_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer9_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -1000,6 +1024,7 @@ static struct omap_hwmod omap3xxx_timer10_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT10_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap3xxx_timer10_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer10_slaves), .class = &omap3xxx_timer_1ms_hwmod_class, @@ -1036,6 +1061,7 @@ static struct omap_hwmod omap3xxx_timer11_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT11_SHIFT, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap3xxx_timer11_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer11_slaves), .class = &omap3xxx_timer_hwmod_class, @@ -1085,6 +1111,7 @@ static struct omap_hwmod omap3xxx_timer12_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT12_SHIFT, }, }, + .dev_attr = &capability_secure_dev_attr, .slaves = omap3xxx_timer12_slaves, .slaves_cnt = ARRAY_SIZE(omap3xxx_timer12_slaves), .class = &omap3xxx_timer_hwmod_class, diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index caaf409..393afac 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -29,6 +29,7 @@ #include <plat/mcbsp.h> #include <plat/mmc.h> #include <plat/i2c.h> +#include <plat/dmtimer.h> #include "omap_hwmod_common_data.h" @@ -4201,6 +4202,16 @@ static struct omap_hwmod_class omap44xx_timer_hwmod_class = { .sysc = &omap44xx_timer_sysc, }; +/* always-on timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_alwon_dev_attr = { + .timer_capability = OMAP_TIMER_ALWON, +}; + +/* pwm timers dev attribute */ +static struct omap_timer_capability_dev_attr capability_pwm_dev_attr = { + .timer_capability = OMAP_TIMER_HAS_PWM, +}; + /* timer1 */ static struct omap_hwmod omap44xx_timer1_hwmod; static struct omap_hwmod_irq_info omap44xx_timer1_irqs[] = { @@ -4244,6 +4255,7 @@ static struct omap_hwmod omap44xx_timer1_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer1_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer1_slaves), }; @@ -4291,6 +4303,7 @@ static struct omap_hwmod omap44xx_timer2_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer2_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer2_slaves), }; @@ -4338,6 +4351,7 @@ static struct omap_hwmod omap44xx_timer3_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer3_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer3_slaves), }; @@ -4385,6 +4399,7 @@ static struct omap_hwmod omap44xx_timer4_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer4_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer4_slaves), }; @@ -4451,6 +4466,7 @@ static struct omap_hwmod omap44xx_timer5_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer5_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer5_slaves), }; @@ -4518,6 +4534,7 @@ static struct omap_hwmod omap44xx_timer6_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer6_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer6_slaves), }; @@ -4584,6 +4601,7 @@ static struct omap_hwmod omap44xx_timer7_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_alwon_dev_attr, .slaves = omap44xx_timer7_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer7_slaves), }; @@ -4650,6 +4668,7 @@ static struct omap_hwmod omap44xx_timer8_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap44xx_timer8_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer8_slaves), }; @@ -4697,6 +4716,7 @@ static struct omap_hwmod omap44xx_timer9_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap44xx_timer9_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer9_slaves), }; @@ -4744,6 +4764,7 @@ static struct omap_hwmod omap44xx_timer10_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap44xx_timer10_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer10_slaves), }; @@ -4791,6 +4812,7 @@ static struct omap_hwmod omap44xx_timer11_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, + .dev_attr = &capability_pwm_dev_attr, .slaves = omap44xx_timer11_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_timer11_slaves), }; diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 69466f3..b2829ee 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -35,6 +35,7 @@ #include <linux/irq.h> #include <linux/clocksource.h> #include <linux/clockchips.h> +#include <linux/slab.h> #include <asm/mach/time.h> #include <plat/dmtimer.h> @@ -42,6 +43,7 @@ #include <asm/sched_clock.h> #include <plat/common.h> #include <plat/omap_hwmod.h> +#include <plat/omap_device.h> /* Parent clocks, eventually these will come from the clock framework */ @@ -342,3 +344,137 @@ static void __init omap4_timer_init(void) } OMAP_SYS_TIMER(4) #endif + +/** + * omap2_dm_timer_set_src - change the timer input clock source + * @pdev: timer platform device pointer + * @source: array index of parent clock source + */ +static int omap2_dm_timer_set_src(struct platform_device *pdev, int source) +{ + int ret; + struct dmtimer_platform_data *pdata = pdev->dev.platform_data; + struct clk *fclk, *parent; + char *parent_name = NULL; + + fclk = clk_get(&pdev->dev, "fck"); + if (IS_ERR_OR_NULL(fclk)) { + dev_err(&pdev->dev, "%s: %d: clk_get() FAILED\n", + __func__, __LINE__); + return -EINVAL; + } + + switch (source) { + case OMAP_TIMER_SRC_SYS_CLK: + parent_name = "sys_ck"; + break; + + case OMAP_TIMER_SRC_32_KHZ: + parent_name = "32k_ck"; + break; + + case OMAP_TIMER_SRC_EXT_CLK: + if (pdata->timer_ip_version == OMAP_TIMER_IP_VERSION_1) { + parent_name = "alt_ck"; + break; + } + dev_err(&pdev->dev, "%s: %d: invalid clk src.\n", + __func__, __LINE__); + clk_put(fclk); + return -EINVAL; + } + + parent = clk_get(&pdev->dev, parent_name); + if (IS_ERR_OR_NULL(parent)) { + dev_err(&pdev->dev, "%s: %d: clk_get() %s FAILED\n", + __func__, __LINE__, parent_name); + clk_put(fclk); + return -EINVAL; + } + + ret = clk_set_parent(fclk, parent); + if (IS_ERR_VALUE(ret)) { + dev_err(&pdev->dev, "%s: clk_set_parent() to %s FAILED\n", + __func__, parent_name); + ret = -EINVAL; + } + + clk_put(parent); + clk_put(fclk); + + return ret; +} + +struct omap_device_pm_latency omap2_dmtimer_latency[] = { + { + .deactivate_func = omap_device_idle_hwmods, + .activate_func = omap_device_enable_hwmods, + .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, + }, +}; + +/** + * omap_timer_init - build and register timer device with an + * associated timer hwmod + * @oh: timer hwmod pointer to be used to build timer device + * @user: parameter that can be passed from calling hwmod API + * + * Called by omap_hwmod_for_each_by_class to register each of the timer + * devices present in the system. The number of timer devices is known + * by parsing through the hwmod database for a given class name. At the + * end of function call memory is allocated for timer device and it is + * registered to the framework ready to be proved by the driver. + */ +static int __init omap_timer_init(struct omap_hwmod *oh, void *unused) +{ + int id; + int ret = 0; + char *name = "omap_timer"; + struct dmtimer_platform_data *pdata; + struct omap_device *od; + struct omap_timer_capability_dev_attr *timer_dev_attr; + + pr_debug("%s: %s\n", __func__, oh->name); + + /* on secure device, do not register secure timer */ + timer_dev_attr = oh->dev_attr; + if (omap_type() != OMAP2_DEVICE_TYPE_GP && timer_dev_attr) + if (timer_dev_attr->timer_capability == OMAP_TIMER_SECURE) + return ret; + + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + pr_err("%s: No memory for [%s]\n", __func__, oh->name); + return -ENOMEM; + } + + /* + * Extract the IDs from name field in hwmod database + * and use the same for constructing ids' for the + * timer devices. In a way, we are avoiding usage of + * static variable witin the function to do the same. + * CAUTION: We have to be careful and make sure the + * name in hwmod database does not change in which case + * we might either make corresponding change here or + * switch back static variable mechanism. + */ + sscanf(oh->name, "timer%2d", &id); + + pdata->set_timer_src = omap2_dm_timer_set_src; + pdata->timer_ip_version = oh->class->rev; + + od = omap_device_build(name, id, oh, pdata, sizeof(*pdata), + omap2_dmtimer_latency, + ARRAY_SIZE(omap2_dmtimer_latency), + 0); + + if (IS_ERR(od)) { + pr_err("%s: Can't build omap_device for %s: %s.\n", + __func__, name, oh->name); + ret = -EINVAL; + } + + kfree(pdata); + + return ret; +} diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h index 1751751..9ed08df 100644 --- a/arch/arm/plat-omap/include/plat/dmtimer.h +++ b/arch/arm/plat-omap/include/plat/dmtimer.h @@ -1,5 +1,5 @@ /* - * arch/arm/plat-omap/include/mach/dmtimer.h + * arch/arm/plat-omap/include/plat/dmtimer.h * * OMAP Dual-Mode Timers * @@ -60,6 +60,16 @@ * in OMAP4 can be distinguished. */ #define OMAP_TIMER_IP_VERSION_1 0x1 + +/* timer capabilities used in hwmod database */ +#define OMAP_TIMER_SECURE 0x80000000 +#define OMAP_TIMER_ALWON 0x40000000 +#define OMAP_TIMER_HAS_PWM 0x20000000 + +struct omap_timer_capability_dev_attr { + u32 timer_capability; +}; + struct omap_dm_timer; struct clk; |