Add routines to converts dmtimers to platform devices. The device data
is obtained from hwmod database of respective platform and is registered
to device model after successful binding to driver.
In addition, capability attribute of each of the timers is added in
hwmod database.
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@xxxxxx>
Signed-off-by: Thara Gopinath <thara@xxxxxx>
Acked-by: Cousson, Benoit <b-cousson@xxxxxx>
---
Missed adding capability attribute to timer11.
arch/arm/mach-omap2/omap_hwmod_2420_data.c | 22 ++++
arch/arm/mach-omap2/omap_hwmod_2430_data.c | 22 ++++
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 27 +++++
arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 26 +++++
arch/arm/mach-omap2/timer.c | 158 +++++++++++++++++++++++++++-
arch/arm/plat-omap/dmtimer.c | 17 ---
arch/arm/plat-omap/include/plat/dmtimer.h | 13 ++-
7 files changed, 266 insertions(+), 19 deletions(-)
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 8eb3ce1..1f7cb36 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -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,
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index a860fb5..d7c6487 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -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,
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index b98e2df..7fb2ecc 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -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,
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 6485c90..38d5848 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -4014,6 +4014,21 @@ static struct omap_hwmod_class omap44xx_timer_hwmod_class = {
.rev = OMAP_TIMER_IP_VERSION_2,
};
+/* 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 omap44xx_timer1_hwmod;
static struct omap_hwmod_irq_info omap44xx_timer1_irqs[] = {
@@ -4054,6 +4069,7 @@ 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 +4115,7 @@ 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 +4161,7 @@ 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 +4207,7 @@ 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 +4272,7 @@ 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 +4337,7 @@ 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 +4402,7 @@ 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 +4467,7 @@ 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 +4513,7 @@ 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 +4559,7 @@ 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 +4605,7 @@ 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),
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 2edeb1a..1c80337 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-omap2/timer-gp.c
+ * linux/arch/arm/mach-omap2/timer.c
*
* OMAP2 GP timer support.
*
@@ -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 */
@@ -129,6 +131,23 @@ static struct clock_event_device clockevent_gpt = {
.set_mode = omap2_gp_timer_set_mode,
};
+int __omap_dm_timer_set_source(struct clk *timer_fck, struct clk *parent)
+{
+ int ret;
+
+ clk_disable(timer_fck);
+ ret = clk_set_parent(timer_fck, parent);
+ clk_enable(timer_fck);
+
+ /*
+ * When the functional clock disappears, too quick writes seem
+ * to cause an abort. XXX Is this still necessary?
+ */
+ __delay(300000);
+
+ return ret;
+}
+
static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
int gptimer_id,
const char *fck_source)
@@ -359,3 +378,140 @@ struct sys_timer omap4_timer = {
.init = omap4_timer_init,
};
#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, *new_fclk;
+ char *new_fclk_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:
+ new_fclk_name = "sys_ck";
+ break;
+
+ case OMAP_TIMER_SRC_32_KHZ:
+ if (unlikely(cpu_is_omap2420()))
+ new_fclk_name = "func_32k_ck";
+ else
+ new_fclk_name = "32k_ck";
+ break;
+
+ case OMAP_TIMER_SRC_EXT_CLK:
+ if (pdata->timer_ip_type == OMAP_TIMER_IP_VERSION_1) {
+ new_fclk_name = "alt_ck";
+ break;
+ }
+ dev_err(&pdev->dev, "%s: %d: invalid clk src.\n",
+ __func__, __LINE__);
+ return -EINVAL;
+ }
+
+ new_fclk = clk_get(&pdev->dev, new_fclk_name);
+ if (IS_ERR_OR_NULL(new_fclk)) {
+ dev_err(&pdev->dev, "%s: %d: clk_get() %s FAILED\n",
+ __func__, __LINE__, new_fclk_name);
+ clk_put(fclk);
+ return -EINVAL;
+ }
+
+ ret = clk_set_parent(fclk, new_fclk);
+ if (IS_ERR_VALUE(ret)) {
+ dev_err(&pdev->dev, "%s: clk_set_parent() to %s FAILED\n",
+ __func__, new_fclk_name);
+ ret = -EINVAL;
+ }
+
+ clk_put(new_fclk);
+ 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;
+}
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index a88fcdd..0f3e9c9 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -427,23 +427,6 @@ void omap_dm_timer_stop(struct omap_dm_timer *timer)
}
EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
-int __omap_dm_timer_set_source(struct clk *timer_fck, struct clk *parent)
-{
- int ret;
-
- clk_disable(timer_fck);
- ret = clk_set_parent(timer_fck, parent);
- clk_enable(timer_fck);
-
- /*
- * When the functional clock disappears, too quick writes seem
- * to cause an abort. XXX Is this still necessary?
- */
- __delay(300000);
-
- return ret;
-}
-
int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
{
if (source < 0 || source >= 3)
diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index 1b76450..00e1a4f 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
*
@@ -35,6 +35,8 @@
#ifndef __ASM_ARCH_DMTIMER_H
#define __ASM_ARCH_DMTIMER_H
+#include <linux/platform_device.h>
+
/* clock sources */
#define OMAP_TIMER_SRC_SYS_CLK 0x00
#define OMAP_TIMER_SRC_32_KHZ 0x01
@@ -57,6 +59,15 @@
#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;
+};
+
extern struct omap_dm_timer *gptimer_wakeup;
struct clk;
--
1.6.0.4
Attachment:
0004-OMAP2-dmtimer-convert-to-platform-devices.patch
Description: 0004-OMAP2-dmtimer-convert-to-platform-devices.patch
