@@ -358,6 +358,16 @@ static struct omap_hwmod_class omap2420_timer_hwmod_class = {
.rev = OMAP_TIMER_IP_VERSION_1,
};
+/* 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;
static struct omap_hwmod_irq_info omap2420_timer1_mpu_irqs[] = {
@@ -402,6 +412,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -452,6 +463,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -502,6 +514,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -552,6 +565,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -602,6 +616,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -653,6 +668,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -703,6 +719,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -753,6 +770,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -803,6 +821,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -853,6 +872,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -903,6 +923,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -953,6 +974,7 @@ 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 = &omap2420_timer_hwmod_class,
@@ -459,6 +459,16 @@ static struct omap_hwmod_class omap2430_timer_hwmod_class = {
.rev = OMAP_TIMER_IP_VERSION_1,
};
+/* 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;
static struct omap_hwmod_irq_info omap2430_timer1_mpu_irqs[] = {
@@ -503,6 +513,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -553,6 +564,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -603,6 +615,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -653,6 +666,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -703,6 +717,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -753,6 +768,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -803,6 +819,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -853,6 +870,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -903,6 +921,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -953,6 +972,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -1003,6 +1023,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -1053,6 +1074,7 @@ 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 = &omap2430_timer_hwmod_class,
@@ -609,6 +609,21 @@ 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;
static struct omap_hwmod_irq_info omap3xxx_timer1_mpu_irqs[] = {
@@ -653,6 +668,7 @@ 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,
@@ -703,6 +719,7 @@ 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,
@@ -753,6 +770,7 @@ 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,
@@ -803,6 +821,7 @@ 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,
@@ -853,6 +872,7 @@ 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,
@@ -903,6 +923,7 @@ 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,
@@ -953,6 +974,7 @@ 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,
@@ -1003,6 +1025,7 @@ 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,
@@ -1053,6 +1076,7 @@ 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,
@@ -1103,6 +1127,7 @@ 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,
@@ -1153,6 +1178,7 @@ 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,
@@ -1203,6 +1229,7 @@ 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,
@@ -4014,6 +4014,16 @@ static struct omap_hwmod_class omap44xx_timer_hwmod_class = {
.rev = OMAP_TIMER_IP_VERSION_2,
};
+/* 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[] = {
@@ -4054,6 +4064,7 @@ static struct omap_hwmod omap44xx_timer1_hwmod = {
.clkctrl_reg = OMAP4430_CM_WKUP_TIMER1_CLKCTRL,
},
},
+ .dev_attr = &capability_alwon_dev_attr,
.slaves = omap44xx_timer1_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer1_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4099,6 +4110,7 @@ static struct omap_hwmod omap44xx_timer2_hwmod = {
.clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER2_CLKCTRL,
},
},
+ .dev_attr = &capability_alwon_dev_attr,
.slaves = omap44xx_timer2_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer2_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4144,6 +4156,7 @@ static struct omap_hwmod omap44xx_timer3_hwmod = {
.clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER3_CLKCTRL,
},
},
+ .dev_attr = &capability_alwon_dev_attr,
.slaves = omap44xx_timer3_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer3_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4189,6 +4202,7 @@ static struct omap_hwmod omap44xx_timer4_hwmod = {
.clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER4_CLKCTRL,
},
},
+ .dev_attr = &capability_alwon_dev_attr,
.slaves = omap44xx_timer4_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer4_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4253,6 +4267,7 @@ static struct omap_hwmod omap44xx_timer5_hwmod = {
.clkctrl_reg = OMAP4430_CM1_ABE_TIMER5_CLKCTRL,
},
},
+ .dev_attr = &capability_alwon_dev_attr,
.slaves = omap44xx_timer5_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer5_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4317,6 +4332,7 @@ static struct omap_hwmod omap44xx_timer6_hwmod = {
.clkctrl_reg = OMAP4430_CM1_ABE_TIMER6_CLKCTRL,
},
},
+ .dev_attr = &capability_alwon_dev_attr,
.slaves = omap44xx_timer6_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer6_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4381,6 +4397,7 @@ static struct omap_hwmod omap44xx_timer7_hwmod = {
.clkctrl_reg = OMAP4430_CM1_ABE_TIMER7_CLKCTRL,
},
},
+ .dev_attr = &capability_alwon_dev_attr,
.slaves = omap44xx_timer7_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer7_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4445,6 +4462,7 @@ static struct omap_hwmod omap44xx_timer8_hwmod = {
.clkctrl_reg = OMAP4430_CM1_ABE_TIMER8_CLKCTRL,
},
},
+ .dev_attr = &capability_pwm_dev_attr,
.slaves = omap44xx_timer8_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer8_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4490,6 +4508,7 @@ static struct omap_hwmod omap44xx_timer9_hwmod = {
.clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER9_CLKCTRL,
},
},
+ .dev_attr = &capability_pwm_dev_attr,
.slaves = omap44xx_timer9_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer9_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4535,6 +4554,7 @@ static struct omap_hwmod omap44xx_timer10_hwmod = {
.clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER10_CLKCTRL,
},
},
+ .dev_attr = &capability_pwm_dev_attr,
.slaves = omap44xx_timer10_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer10_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -4580,6 +4600,7 @@ static struct omap_hwmod omap44xx_timer11_hwmod = {
.clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER11_CLKCTRL,
},
},
+ .dev_attr = &capability_pwm_dev_attr,
.slaves = omap44xx_timer11_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_timer11_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -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 */
@@ -340,3 +342,137 @@ 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_type == OMAP_TIMER_IP_VERSION_1) {
+ parent_name = "alt_ck";
+ break;
+ }
+ dev_err(&pdev->dev, "%s: %d: invalid clk src.\n",
+ __func__, __LINE__);
+ 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_type = oh->class->rev;
+ pdata->needs_manual_reset = 0;
+
+ 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;
+}
@@ -1,5 +1,5 @@
/*
- * arch/arm/plat-omap/include/mach/dmtimer.h
+ * arch/arm/plat-omap/include/plat/dmtimer.h
*
* OMAP Dual-Mode Timers
*
@@ -61,6 +61,14 @@
#define OMAP_TIMER_IP_VERSION_1 0x1
#define OMAP_TIMER_IP_VERSION_2 0x2
+/* 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;