[PATCH v6 5/6] ARM: exynos: add thermal sensor driver platform data support
Add necessary default platform data support needed for TMU driver. The
supplied dt/non-dt values are tested for origen exynos4210 and smdk exynos5250
platforms and only compile tested for exynos4412.
Signed-off-by: Amit Daniel Kachhap amit.kach...@linaro.org
Acked-by: Guenter Roeck guenter.ro...@ericsson.com
Cc: SangWook Ju sw...@samsung.com
Cc: Durgadoss durgados...@intel.com
Cc: Len Brown l...@kernel.org
Cc: Jean Delvare kh...@linux-fr.org
Cc: jonghwa lee jonghwa3@samsung.com
Cc: Kyungmin Park kmp...@infradead.org
Cc: Kukjin Kim kgene@samsung.com
Signed-off-by: Andrew Morton a...@linux-foundation.org
Signed-off-by: Amit Daniel Kachhap amit.dan...@samsung.com
---
drivers/thermal/exynos_thermal.c | 111 +-
1 files changed, 110 insertions(+), 1 deletions(-)
diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c
index e79cdc9..03a99e4 100644
--- a/drivers/thermal/exynos_thermal.c
+++ b/drivers/thermal/exynos_thermal.c
@@ -723,14 +723,121 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id)
static struct thermal_sensor_conf exynos_sensor_conf = {
.name = exynos-therm,
.read_temperature = (int (*)(void *))exynos_tmu_read,
+};
+
+#if defined(CONFIG_CPU_EXYNOS4210)
+static struct exynos_tmu_platform_data const exynos4210_default_tmu_data = {
+ .threshold = 80,
+ .trigger_levels[0] = 5,
+ .trigger_levels[1] = 20,
+ .trigger_levels[2] = 30,
+ .trigger_level0_en = 1,
+ .trigger_level1_en = 1,
+ .trigger_level2_en = 1,
+ .trigger_level3_en = 0,
+ .gain = 15,
+ .reference_voltage = 7,
+ .cal_type = TYPE_ONE_POINT_TRIMMING,
+ .freq_tab[0] = {
+ .freq_clip_max = 800 * 1000,
+ .temp_level = 85,
+ },
+ .freq_tab[1] = {
+ .freq_clip_max = 200 * 1000,
+ .temp_level = 100,
+ },
+ .freq_tab_count = 2,
+ .type = SOC_ARCH_EXYNOS4210,
+};
+#define EXYNOS4210_TMU_DRV_DATA (exynos4210_default_tmu_data)
+#else
+#define EXYNOS4210_TMU_DRV_DATA (NULL)
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5250) || defined(CONFIG_SOC_EXYNOS4412)
+static struct exynos_tmu_platform_data const exynos_default_tmu_data = {
+ .trigger_levels[0] = 85,
+ .trigger_levels[1] = 103,
+ .trigger_levels[2] = 110,
+ .trigger_level0_en = 1,
+ .trigger_level1_en = 1,
+ .trigger_level2_en = 1,
+ .trigger_level3_en = 0,
+ .gain = 8,
+ .reference_voltage = 16,
+ .noise_cancel_mode = 4,
+ .cal_type = TYPE_ONE_POINT_TRIMMING,
+ .efuse_value = 55,
+ .freq_tab[0] = {
+ .freq_clip_max = 800 * 1000,
+ .temp_level = 85,
+ },
+ .freq_tab[1] = {
+ .freq_clip_max = 200 * 1000,
+ .temp_level = 103,
+ },
+ .freq_tab_count = 2,
+ .type = SOC_ARCH_EXYNOS,
+};
+#define EXYNOS_TMU_DRV_DATA (exynos_default_tmu_data)
+#else
+#define EXYNOS_TMU_DRV_DATA (NULL)
+#endif
+
+#ifdef CONFIG_OF
+static const struct of_device_id exynos_tmu_match[] = {
+ {
+ .compatible = samsung,exynos4210-tmu,
+ .data = (void *)EXYNOS4210_TMU_DRV_DATA,
+ },
+ {
+ .compatible = samsung,exynos5250-tmu,
+ .data = (void *)EXYNOS_TMU_DRV_DATA,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, exynos_tmu_match);
+#else
+#define exynos_tmu_match NULL
+#endif
+
+static struct platform_device_id exynos_tmu_driver_ids[] = {
+ {
+ .name = exynos4210-tmu,
+ .driver_data= (kernel_ulong_t)EXYNOS4210_TMU_DRV_DATA,
+ },
+ {
+ .name = exynos5250-tmu,
+ .driver_data= (kernel_ulong_t)EXYNOS_TMU_DRV_DATA,
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(platform, exynos4_tmu_driver_ids);
+
+static inline struct exynos_tmu_platform_data *exynos_get_driver_data(
+ struct platform_device *pdev)
+{
+#ifdef CONFIG_OF
+ if (pdev-dev.of_node) {
+ const struct of_device_id *match;
+ match = of_match_node(exynos_tmu_match, pdev-dev.of_node);
+ if (!match)
+ return NULL;
+ return (struct exynos_tmu_platform_data *) match-data;
+ }
+#endif
+ return (struct exynos_tmu_platform_data *)
+ platform_get_device_id(pdev)-driver_data;
}
-;
static int __devinit exynos_tmu_probe(struct platform_device *pdev)
{
struct exynos_tmu_data *data;
struct exynos_tmu_platform_data *pdata = pdev-dev.platform_data;
int ret, i;
+ if (!pdata)
+ pdata = exynos_get_driver_data(pdev);
+
if (!pdata) {
dev_err(pdev-dev, No platform init data supplied.\n);
return -ENODEV;
@@ -899,9 +1006,11 @@ static struct platform_driver
Re: [PATCH v6 5/6] ARM: exynos: add thermal sensor driver platform data support
On 16 August 2012 17:11, Amit Daniel Kachhap amit.kach...@linaro.org wrote:
Add necessary default platform data support needed for TMU driver. The
supplied dt/non-dt values are tested for origen exynos4210 and smdk exynos5250
platforms and only compile tested for exynos4412.
Signed-off-by: Amit Daniel Kachhap amit.kach...@linaro.org
Acked-by: Guenter Roeck guenter.ro...@ericsson.com
Cc: SangWook Ju sw...@samsung.com
Cc: Durgadoss durgados...@intel.com
Cc: Len Brown l...@kernel.org
Cc: Jean Delvare kh...@linux-fr.org
Cc: jonghwa lee jonghwa3@samsung.com
Cc: Kyungmin Park kmp...@infradead.org
Cc: Kukjin Kim kgene@samsung.com
Signed-off-by: Andrew Morton a...@linux-foundation.org
Signed-off-by: Amit Daniel Kachhap amit.dan...@samsung.com
---
drivers/thermal/exynos_thermal.c | 111
+-
1 files changed, 110 insertions(+), 1 deletions(-)
Reviewed-by: Thomas Abraham thomas.abra...@linaro.org
Few minor comments inline below.
diff --git a/drivers/thermal/exynos_thermal.c
b/drivers/thermal/exynos_thermal.c
index e79cdc9..03a99e4 100644
--- a/drivers/thermal/exynos_thermal.c
+++ b/drivers/thermal/exynos_thermal.c
@@ -723,14 +723,121 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id)
static struct thermal_sensor_conf exynos_sensor_conf = {
.name = exynos-therm,
.read_temperature = (int (*)(void *))exynos_tmu_read,
+};
+
+#if defined(CONFIG_CPU_EXYNOS4210)
+static struct exynos_tmu_platform_data const exynos4210_default_tmu_data = {
+ .threshold = 80,
+ .trigger_levels[0] = 5,
+ .trigger_levels[1] = 20,
+ .trigger_levels[2] = 30,
+ .trigger_level0_en = 1,
+ .trigger_level1_en = 1,
+ .trigger_level2_en = 1,
+ .trigger_level3_en = 0,
+ .gain = 15,
+ .reference_voltage = 7,
+ .cal_type = TYPE_ONE_POINT_TRIMMING,
+ .freq_tab[0] = {
+ .freq_clip_max = 800 * 1000,
+ .temp_level = 85,
+ },
+ .freq_tab[1] = {
+ .freq_clip_max = 200 * 1000,
+ .temp_level = 100,
+ },
+ .freq_tab_count = 2,
+ .type = SOC_ARCH_EXYNOS4210,
+};
+#define EXYNOS4210_TMU_DRV_DATA (exynos4210_default_tmu_data)
+#else
+#define EXYNOS4210_TMU_DRV_DATA (NULL)
+#endif
+
+#if defined(CONFIG_SOC_EXYNOS5250) || defined(CONFIG_SOC_EXYNOS4412)
+static struct exynos_tmu_platform_data const exynos_default_tmu_data = {
+ .trigger_levels[0] = 85,
+ .trigger_levels[1] = 103,
+ .trigger_levels[2] = 110,
+ .trigger_level0_en = 1,
+ .trigger_level1_en = 1,
+ .trigger_level2_en = 1,
+ .trigger_level3_en = 0,
+ .gain = 8,
+ .reference_voltage = 16,
+ .noise_cancel_mode = 4,
+ .cal_type = TYPE_ONE_POINT_TRIMMING,
+ .efuse_value = 55,
+ .freq_tab[0] = {
+ .freq_clip_max = 800 * 1000,
+ .temp_level = 85,
+ },
+ .freq_tab[1] = {
+ .freq_clip_max = 200 * 1000,
+ .temp_level = 103,
+ },
+ .freq_tab_count = 2,
+ .type = SOC_ARCH_EXYNOS,
+};
+#define EXYNOS_TMU_DRV_DATA (exynos_default_tmu_data)
+#else
+#define EXYNOS_TMU_DRV_DATA (NULL)
+#endif
+
+#ifdef CONFIG_OF
+static const struct of_device_id exynos_tmu_match[] = {
+ {
+ .compatible = samsung,exynos4210-tmu,
+ .data = (void *)EXYNOS4210_TMU_DRV_DATA,
+ },
+ {
This can be }, {
+ .compatible = samsung,exynos5250-tmu,
+ .data = (void *)EXYNOS_TMU_DRV_DATA,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, exynos_tmu_match);
+#else
+#define exynos_tmu_match NULL
+#endif
+
+static struct platform_device_id exynos_tmu_driver_ids[] = {
+ {
+ .name = exynos4210-tmu,
+ .driver_data= (kernel_ulong_t)EXYNOS4210_TMU_DRV_DATA,
+ },
+ {
+ .name = exynos5250-tmu,
+ .driver_data= (kernel_ulong_t)EXYNOS_TMU_DRV_DATA,
+ },
Since Exynos5250 platforms are dt based, the above entry could be left out.
+ { },
+};
+MODULE_DEVICE_TABLE(platform, exynos4_tmu_driver_ids);
+
+static inline struct exynos_tmu_platform_data *exynos_get_driver_data(
+ struct platform_device *pdev)
+{
+#ifdef CONFIG_OF
+ if (pdev-dev.of_node) {
+ const struct of_device_id *match;
+ match = of_match_node(exynos_tmu_match, pdev-dev.of_node);
+ if (!match)
+ return NULL;
+ return (struct exynos_tmu_platform_data *) match-data;
+ }
+#endif
+ return (struct exynos_tmu_platform_data *)
+ platform_get_device_id(pdev)-driver_data;
}
-;
static int __devinit exynos_tmu_probe(struct platform_device *pdev)
