From a563591243889d85159744cd594aadb1807d3c83 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Thu, 5 Jun 2014 16:06:54 +0100 Subject: thermal: sti: Supply Device Tree documentation Signed-off-by: Ajit Pal Singh Acked-by: Peter Griffin Signed-off-by: Lee Jones Signed-off-by: Zhang Rui --- .../devicetree/bindings/thermal/st-thermal.txt | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/st-thermal.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/thermal/st-thermal.txt b/Documentation/devicetree/bindings/thermal/st-thermal.txt new file mode 100644 index 000000000000..3b9251b4a145 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/st-thermal.txt @@ -0,0 +1,42 @@ +Binding for Thermal Sensor driver for STMicroelectronics STi series of SoCs. + +Required parameters: +------------------- + +compatible : st,--thermal; should be one of: + "st,stih415-sas-thermal", + "st,stih415-mpe-thermal", + "st,stih416-sas-thermal" + "st,stih416-mpe-thermal" + "st,stid127-thermal" or + "st,stih407-thermal" + according to the SoC type (stih415, stih416, stid127, stih407) + and module type (sas or mpe). On stid127 & stih407 there is only + one die/module, so there is no module type in the compatible + string. +clock-names : Should be "thermal". + See: Documentation/devicetree/bindings/resource-names.txt +clocks : Phandle of the clock used by the thermal sensor. + See: Documentation/devicetree/bindings/clock/clock-bindings.txt + +Optional parameters: +------------------- + +reg : For non-sysconf based sensors, this should be the physical base + address and length of the sensor's registers. +interrupts : Standard way to define interrupt number. + Interrupt is mandatory to be defined when compatible is + "stih416-mpe-thermal". + NB: For thermal sensor's for which no interrupt has been + defined, a polling delay of 1000ms will be used to read the + temperature from device. + +Example: + + temp1@fdfe8000 { + compatible = "st,stih416-mpe-thermal"; + reg = <0xfdfe8000 0x10>; + clock-names = "thermal"; + clocks = <&clk_m_mpethsens>; + interrupts = ; + }; -- cgit v1.2.3 From 1fe56dc16a3dab400206443f70ae158c8f595c42 Mon Sep 17 00:00:00 2001 From: Chanwoo Choi Date: Tue, 1 Jul 2014 09:33:19 +0900 Subject: thermal: samsung: Add TMU support for Exynos3250 SoC This patch add registers, bit fields and compatible strings for Exynos3250 TMU (Thermal Management Unit). Exynos3250 uses the Cortex-A7 dual cores and has a target speed of 1.0 GHz. Signed-off-by: Chanwoo Choi [Add MUX address setting bits by Jonghwa Lee] Signed-off-by: Jonghwa Lee Acked-by: Kyungmin Park Reviewed-by: Amit Daniel Kachhap Signed-off-by: Zhang Rui --- .../devicetree/bindings/thermal/exynos-thermal.txt | 1 + drivers/thermal/samsung/exynos_tmu.c | 7 +- drivers/thermal/samsung/exynos_tmu.h | 3 +- drivers/thermal/samsung/exynos_tmu_data.c | 89 ++++++++++++++++++++++ drivers/thermal/samsung/exynos_tmu_data.h | 7 ++ 5 files changed, 105 insertions(+), 2 deletions(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt index c94909215c07..ae738f562acc 100644 --- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt @@ -3,6 +3,7 @@ ** Required properties: - compatible : One of the following: + "samsung,exynos3250-tmu" "samsung,exynos4412-tmu" "samsung,exynos4210-tmu" "samsung,exynos5250-tmu" diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 6243ba03dbb4..acbff14da3a4 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -504,6 +504,10 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id) } static const struct of_device_id exynos_tmu_match[] = { + { + .compatible = "samsung,exynos3250-tmu", + .data = (void *)EXYNOS3250_TMU_DRV_DATA, + }, { .compatible = "samsung,exynos4210-tmu", .data = (void *)EXYNOS4210_TMU_DRV_DATA, @@ -677,7 +681,8 @@ static int exynos_tmu_probe(struct platform_device *pdev) goto err_clk_sec; } - if (pdata->type == SOC_ARCH_EXYNOS4210 || + if (pdata->type == SOC_ARCH_EXYNOS3250 || + pdata->type == SOC_ARCH_EXYNOS4210 || pdata->type == SOC_ARCH_EXYNOS4412 || pdata->type == SOC_ARCH_EXYNOS5250 || pdata->type == SOC_ARCH_EXYNOS5260 || diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h index edd08cf76729..1b4a6444ea61 100644 --- a/drivers/thermal/samsung/exynos_tmu.h +++ b/drivers/thermal/samsung/exynos_tmu.h @@ -40,7 +40,8 @@ enum calibration_mode { }; enum soc_type { - SOC_ARCH_EXYNOS4210 = 1, + SOC_ARCH_EXYNOS3250 = 1, + SOC_ARCH_EXYNOS4210, SOC_ARCH_EXYNOS4412, SOC_ARCH_EXYNOS5250, SOC_ARCH_EXYNOS5260, diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c index c1d81dcd7819..aa8e0dee2055 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -90,6 +90,95 @@ struct exynos_tmu_init_data const exynos4210_default_tmu_data = { }; #endif +#if defined(CONFIG_SOC_EXYNOS3250) +static const struct exynos_tmu_registers exynos3250_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, + .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT, + .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 = EXYNOS_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_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT, + .tmu_intstat = EXYNOS_TMU_REG_INTSTAT, + .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR, + .intclr_fall_shift = EXYNOS_TMU_CLEAR_FALL_INT_SHIFT, + .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT, + .intclr_rise_mask = EXYNOS_TMU_RISE_INT_MASK, + .intclr_fall_mask = EXYNOS_TMU_FALL_INT_MASK, + .emul_con = EXYNOS_EMUL_CON, + .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT, + .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT, + .emul_time_mask = EXYNOS_EMUL_TIME_MASK, +}; + +#define EXYNOS3250_TMU_DATA \ + .threshold_falling = 10, \ + .trigger_levels[0] = 70, \ + .trigger_levels[1] = 95, \ + .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_TWO_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 = 70, \ + }, \ + .freq_tab[1] = { \ + .freq_clip_max = 400 * 1000, \ + .temp_level = 95, \ + }, \ + .freq_tab_count = 2, \ + .registers = &exynos3250_tmu_registers, \ + .features = (TMU_SUPPORT_EMULATION | \ + TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ + TMU_SUPPORT_EMUL_TIME) +#endif + +#if defined(CONFIG_SOC_EXYNOS3250) +struct exynos_tmu_init_data const exynos3250_default_tmu_data = { + .tmu_data = { + { + EXYNOS3250_TMU_DATA, + .type = SOC_ARCH_EXYNOS3250, + .test_mux = EXYNOS4412_MUX_ADDR_VALUE, + }, + }, + .tmu_count = 1, +}; +#endif + #if defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250) static const struct exynos_tmu_registers exynos4412_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 d268981b65e5..f0979e598491 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.h +++ b/drivers/thermal/samsung/exynos_tmu_data.h @@ -148,6 +148,13 @@ #define EXYNOS5440_TMU_TH_RISE4_SHIFT 24 #define EXYNOS5440_EFUSE_SWAP_OFFSET 8 +#if defined(CONFIG_SOC_EXYNOS3250) +extern struct exynos_tmu_init_data const exynos3250_default_tmu_data; +#define EXYNOS3250_TMU_DRV_DATA (&exynos3250_default_tmu_data) +#else +#define EXYNOS3250_TMU_DRV_DATA (NULL) +#endif + #if defined(CONFIG_CPU_EXYNOS4210) extern struct exynos_tmu_init_data const exynos4210_default_tmu_data; #define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data) -- cgit v1.2.3 From fa313103c953fd832b7c4e431c74be55c20b1ce1 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 9 Jul 2014 14:23:35 +0200 Subject: thermal: rcar: Document SoC-specific bindings The documentation only mentioned the generic fallback compatible property. Add the missing SoC-specific compatible properties, some of which are already in use. Signed-off-by: Geert Uytterhoeven Cc: Zhang Rui Cc: Eduardo Valentin Cc: linux-pm@vger.kernel.org Acked-by: Simon Horman Signed-off-by: Zhang Rui --- .../devicetree/bindings/thermal/rcar-thermal.txt | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt index 28ef498a66e5..0ef00be44b01 100644 --- a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt @@ -1,7 +1,13 @@ * Renesas R-Car Thermal Required properties: -- compatible : "renesas,rcar-thermal" +- compatible : "renesas,thermal-", "renesas,rcar-thermal" + as fallback. + Examples with soctypes are: + - "renesas,thermal-r8a73a4" (R-Mobile AP6) + - "renesas,thermal-r8a7779" (R-Car H1) + - "renesas,thermal-r8a7790" (R-Car H2) + - "renesas,thermal-r8a7791" (R-Car M2) - reg : Address range of the thermal registers. The 1st reg will be recognized as common register if it has "interrupts". @@ -12,18 +18,18 @@ Option properties: Example (non interrupt support): -thermal@e61f0100 { - compatible = "renesas,rcar-thermal"; - reg = <0xe61f0100 0x38>; +thermal@ffc48000 { + compatible = "renesas,thermal-r8a7779", "renesas,rcar-thermal"; + reg = <0xffc48000 0x38>; }; Example (interrupt support): thermal@e61f0000 { - compatible = "renesas,rcar-thermal"; + compatible = "renesas,thermal-r8a73a4", "renesas,rcar-thermal"; reg = <0xe61f0000 0x14 0xe61f0100 0x38 0xe61f0200 0x38 0xe61f0300 0x38>; - interrupts = <0 69 4>; + interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; }; -- cgit v1.2.3