From 923488a53e7890566f298c2f67416af84ba2a21c Mon Sep 17 00:00:00 2001 From: Naveen Krishna Chatradhi Date: Fri, 20 Dec 2013 17:49:10 +0530 Subject: [PATCH] thermal: samsung: Add TMU support for Exynos5260 SoCs This patch adds the registers, bit fields and compatible strings required to support for the 5 TMU channels on Exynos5260. Signed-off-by: Naveen Krishna Chatradhi Signed-off-by: Eduardo Valentin --- .../bindings/thermal/exynos-thermal.txt | 1 + drivers/thermal/samsung/exynos_tmu.c | 5 + drivers/thermal/samsung/exynos_tmu.h | 2 + drivers/thermal/samsung/exynos_tmu_data.c | 92 +++++++++++++++++++ drivers/thermal/samsung/exynos_tmu_data.h | 19 ++++ 5 files changed, 119 insertions(+) diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt index 79c4055a190d..c94909215c07 100644 --- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt @@ -6,6 +6,7 @@ "samsung,exynos4412-tmu" "samsung,exynos4210-tmu" "samsung,exynos5250-tmu" + "samsung,exynos5260-tmu" "samsung,exynos5420-tmu" for TMU channel 0, 1 on Exynos5420 "samsung,exynos5420-tmu-ext-triminfo" for TMU channels 2, 3 and 4 Exynos5420 (Must pass triminfo base and triminfo clock) diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index bc50912a222d..2412090f5982 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -512,6 +512,10 @@ static const struct of_device_id exynos_tmu_match[] = { .compatible = "samsung,exynos5250-tmu", .data = (void *)EXYNOS5250_TMU_DRV_DATA, }, + { + .compatible = "samsung,exynos5260-tmu", + .data = (void *)EXYNOS5260_TMU_DRV_DATA, + }, { .compatible = "samsung,exynos5420-tmu", .data = (void *)EXYNOS5420_TMU_DRV_DATA, @@ -674,6 +678,7 @@ static int exynos_tmu_probe(struct platform_device *pdev) if (pdata->type == SOC_ARCH_EXYNOS4210 || pdata->type == SOC_ARCH_EXYNOS4412 || pdata->type == SOC_ARCH_EXYNOS5250 || + pdata->type == SOC_ARCH_EXYNOS5260 || pdata->type == SOC_ARCH_EXYNOS5420_TRIMINFO || pdata->type == SOC_ARCH_EXYNOS5440) data->soc = pdata->type; diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h index 60cce2855fa8..edd08cf76729 100644 --- a/drivers/thermal/samsung/exynos_tmu.h +++ b/drivers/thermal/samsung/exynos_tmu.h @@ -43,6 +43,7 @@ enum soc_type { SOC_ARCH_EXYNOS4210 = 1, SOC_ARCH_EXYNOS4412, SOC_ARCH_EXYNOS5250, + SOC_ARCH_EXYNOS5260, SOC_ARCH_EXYNOS5420_TRIMINFO, SOC_ARCH_EXYNOS5440, }; @@ -150,6 +151,7 @@ struct exynos_tmu_registers { u32 triminfo_85_shift; u32 triminfo_ctrl; + u32 triminfo_ctrl1; u32 triminfo_reload_shift; u32 tmu_ctrl; diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c index e597f61a15f9..c1d81dcd7819 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -194,6 +194,98 @@ struct exynos_tmu_init_data const exynos5250_default_tmu_data = { }; #endif +#if defined(CONFIG_SOC_EXYNOS5260) +static const struct exynos_tmu_registers exynos5260_tmu_registers = { + .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, + .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT, + .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT, + .tmu_ctrl = EXYNOS_TMU_REG_CONTROL, + .tmu_ctrl = EXYNOS_TMU_REG_CONTROL1, + .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT, + .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK, + .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT, + .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK, + .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT, + .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT, + .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK, + .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT, + .tmu_status = EXYNOS_TMU_REG_STATUS, + .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP, + .threshold_th0 = EXYNOS_THD_TEMP_RISE, + .threshold_th1 = EXYNOS_THD_TEMP_FALL, + .tmu_inten = EXYNOS5260_TMU_REG_INTEN, + .inten_rise0_shift = EXYNOS_TMU_INTEN_RISE0_SHIFT, + .inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT, + .inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT, + .inten_rise3_shift = EXYNOS_TMU_INTEN_RISE3_SHIFT, + .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT, + .tmu_intstat = EXYNOS5260_TMU_REG_INTSTAT, + .tmu_intclear = EXYNOS5260_TMU_REG_INTCLEAR, + .intclr_fall_shift = EXYNOS5420_TMU_CLEAR_FALL_INT_SHIFT, + .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT, + .intclr_rise_mask = EXYNOS5260_TMU_RISE_INT_MASK, + .intclr_fall_mask = EXYNOS5260_TMU_FALL_INT_MASK, + .emul_con = EXYNOS5260_EMUL_CON, + .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT, + .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT, + .emul_time_mask = EXYNOS_EMUL_TIME_MASK, +}; + +#define __EXYNOS5260_TMU_DATA \ + .threshold_falling = 10, \ + .trigger_levels[0] = 85, \ + .trigger_levels[1] = 103, \ + .trigger_levels[2] = 110, \ + .trigger_levels[3] = 120, \ + .trigger_enable[0] = true, \ + .trigger_enable[1] = true, \ + .trigger_enable[2] = true, \ + .trigger_enable[3] = false, \ + .trigger_type[0] = THROTTLE_ACTIVE, \ + .trigger_type[1] = THROTTLE_ACTIVE, \ + .trigger_type[2] = SW_TRIP, \ + .trigger_type[3] = HW_TRIP, \ + .max_trigger_level = 4, \ + .gain = 8, \ + .reference_voltage = 16, \ + .noise_cancel_mode = 4, \ + .cal_type = TYPE_ONE_POINT_TRIMMING, \ + .efuse_value = 55, \ + .min_efuse_value = 40, \ + .max_efuse_value = 100, \ + .first_point_trim = 25, \ + .second_point_trim = 85, \ + .default_temp_offset = 50, \ + .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, \ + .registers = &exynos5260_tmu_registers, \ + +#define EXYNOS5260_TMU_DATA \ + __EXYNOS5260_TMU_DATA \ + .type = SOC_ARCH_EXYNOS5260, \ + .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \ + TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ + TMU_SUPPORT_EMUL_TIME) + +struct exynos_tmu_init_data const exynos5260_default_tmu_data = { + .tmu_data = { + { EXYNOS5260_TMU_DATA }, + { EXYNOS5260_TMU_DATA }, + { EXYNOS5260_TMU_DATA }, + { EXYNOS5260_TMU_DATA }, + { EXYNOS5260_TMU_DATA }, + }, + .tmu_count = 5, +}; +#endif + #if defined(CONFIG_SOC_EXYNOS5420) static const struct exynos_tmu_registers exynos5420_tmu_registers = { .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h index 41f06dc70849..d268981b65e5 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.h +++ b/drivers/thermal/samsung/exynos_tmu_data.h @@ -87,6 +87,7 @@ #define EXYNOS_TMU_INTEN_FALL0_SHIFT 16 #define EXYNOS_TMU_INTEN_FALL1_SHIFT 20 #define EXYNOS_TMU_INTEN_FALL2_SHIFT 24 +#define EXYNOS_TMU_INTEN_FALL3_SHIFT 28 #define EXYNOS_EMUL_TIME 0x57F0 #define EXYNOS_EMUL_TIME_MASK 0xffff @@ -97,6 +98,17 @@ #define EXYNOS_MAX_TRIGGER_PER_REG 4 +/* Exynos5260 specific */ +#define EXYNOS_TMU_REG_CONTROL1 0x24 +#define EXYNOS5260_TMU_REG_INTEN 0xC0 +#define EXYNOS5260_TMU_REG_INTSTAT 0xC4 +#define EXYNOS5260_TMU_REG_INTCLEAR 0xC8 +#define EXYNOS5260_TMU_CLEAR_RISE_INT 0x1111 +#define EXYNOS5260_TMU_CLEAR_FALL_INT (0x1111 << 16) +#define EXYNOS5260_TMU_RISE_INT_MASK 0x1111 +#define EXYNOS5260_TMU_FALL_INT_MASK 0x1111 +#define EXYNOS5260_EMUL_CON 0x100 + /* Exynos4412 specific */ #define EXYNOS4412_MUX_ADDR_VALUE 6 #define EXYNOS4412_MUX_ADDR_SHIFT 20 @@ -157,6 +169,13 @@ extern struct exynos_tmu_init_data const exynos5250_default_tmu_data; #define EXYNOS5250_TMU_DRV_DATA (NULL) #endif +#if defined(CONFIG_SOC_EXYNOS5260) +extern struct exynos_tmu_init_data const exynos5260_default_tmu_data; +#define EXYNOS5260_TMU_DRV_DATA (&exynos5260_default_tmu_data) +#else +#define EXYNOS5260_TMU_DRV_DATA (NULL) +#endif + #if defined(CONFIG_SOC_EXYNOS5420) extern struct exynos_tmu_init_data const exynos5420_default_tmu_data; #define EXYNOS5420_TMU_DRV_DATA (&exynos5420_default_tmu_data)