This patch adds necessary default platform data support needed for TMU driver. This dt/non-dt values are tested for origen exynos4210 and smdk exynos5250 platforms.
Signed-off-by: Amit Daniel Kachhap amit.kachhap@linaro.org --- 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 48106d8..e4e6759 100644 --- a/drivers/thermal/exynos_thermal.c +++ b/drivers/thermal/exynos_thermal.c @@ -662,14 +662,121 @@ 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 exynos4_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_EXYNOS4, +}; +#define EXYNOS4_TMU_DRV_DATA (&exynos4_default_tmu_data) +#else +#define EXYNOS4_TMU_DRV_DATA (NULL) +#endif + +#if defined(CONFIG_SOC_EXYNOS5250) +static struct exynos_tmu_platform_data const exynos5_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_EXYNOS5, +}; +#define EXYNOS5_TMU_DRV_DATA (&exynos5_default_tmu_data) +#else +#define EXYNOS5_TMU_DRV_DATA (NULL) +#endif + +#ifdef CONFIG_OF +static const struct of_device_id exynos_tmu_match[] = { + { + .compatible = "samsung,exynos4-tmu", + .data = (void *)EXYNOS4_TMU_DRV_DATA, + }, + { + .compatible = "samsung,exynos5-tmu", + .data = (void *)EXYNOS5_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 = "exynos4-tmu", + .driver_data = (kernel_ulong_t)EXYNOS4_TMU_DRV_DATA, + }, + { + .name = "exynos5-tmu", + .driver_data = (kernel_ulong_t)EXYNOS5_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; @@ -832,11 +939,13 @@ static struct platform_driver exynos_tmu_driver = { .driver = { .name = "exynos-tmu", .owner = THIS_MODULE, + .of_match_table = exynos_tmu_match, }, .probe = exynos_tmu_probe, .remove = __devexit_p(exynos_tmu_remove), .suspend = exynos_tmu_suspend, .resume = exynos_tmu_resume, + .id_table = exynos_tmu_driver_ids, };
module_platform_driver(exynos_tmu_driver);