[PATCH v4 3/5] thermal: exynos5: Add exynos5 thermal sensor driver support

This patch inserts exynos5 TMU sensor changes in the thermal driver. Some exynos4 changes are made generic for exynos series.

Signed-off-by: SangWook Ju sw.ju@samsung.com Signed-off-by: Amit Daniel Kachhap amit.kachhap@linaro.org --- drivers/thermal/Kconfig | 6 +- drivers/thermal/exynos_thermal.c | 318 +++++++++++++++++--------- include/linux/platform_data/exynos_thermal.h | 19 ++- 3 files changed, 226 insertions(+), 117 deletions(-)

diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index b0806cf..04c6796 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -39,10 +39,10 @@ config SPEAR_THERMAL thermal framework

config EXYNOS_THERMAL - tristate "Temperature sensor on Samsung EXYNOS4" - depends on ARCH_EXYNOS4 && THERMAL + tristate "Temperature sensor on Samsung EXYNOS" + depends on (ARCH_EXYNOS4 || ARCH_EXYNOS5) && THERMAL help If you say yes here you get support for TMU (Thermal Managment - Unit) on SAMSUNG EXYNOS4 series of SoC. + Unit) on SAMSUNG EXYNOS series of SoC. This driver can also be built as a module. If so, the module will be called exynos4-tmu diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c index bda02fe..cfe4aeb 100644 --- a/drivers/thermal/exynos_thermal.c +++ b/drivers/thermal/exynos_thermal.c @@ -33,13 +33,29 @@ #include <linux/kobject.h> #include <linux/io.h> #include <linux/mutex.h> - +#include <linux/err.h> #include <linux/platform_data/exynos_thermal.h> - -#define EXYNOS4_TMU_REG_TRIMINFO 0x0 -#define EXYNOS4_TMU_REG_CONTROL 0x20 -#define EXYNOS4_TMU_REG_STATUS 0x28 -#define EXYNOS4_TMU_REG_CURRENT_TEMP 0x40 +#include <linux/of.h> + +#include <plat/cpu.h> + +/*Exynos generic registers*/ +#define EXYNOS_TMU_REG_TRIMINFO 0x0 +#define EXYNOS_TMU_REG_CONTROL 0x20 +#define EXYNOS_TMU_REG_STATUS 0x28 +#define EXYNOS_TMU_REG_CURRENT_TEMP 0x40 +#define EXYNOS_TMU_REG_INTEN 0x70 +#define EXYNOS_TMU_REG_INTSTAT 0x74 +#define EXYNOS_TMU_REG_INTCLEAR 0x78 + +#define EXYNOS_TMU_TRIM_TEMP_MASK 0xff +#define EXYNOS_TMU_GAIN_SHIFT 8 +#define EXYNOS_TMU_REF_VOLTAGE_SHIFT 24 +#define EXYNOS_TMU_CORE_ON 3 +#define EXYNOS_TMU_CORE_OFF 2 +#define EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET 50 + +/*Exynos4 specific registers*/ #define EXYNOS4_TMU_REG_THRESHOLD_TEMP 0x44 #define EXYNOS4_TMU_REG_TRIG_LEVEL0 0x50 #define EXYNOS4_TMU_REG_TRIG_LEVEL1 0x54 @@ -49,28 +65,52 @@ #define EXYNOS4_TMU_REG_PAST_TEMP1 0x64 #define EXYNOS4_TMU_REG_PAST_TEMP2 0x68 #define EXYNOS4_TMU_REG_PAST_TEMP3 0x6C -#define EXYNOS4_TMU_REG_INTEN 0x70 -#define EXYNOS4_TMU_REG_INTSTAT 0x74 -#define EXYNOS4_TMU_REG_INTCLEAR 0x78

-#define EXYNOS4_TMU_GAIN_SHIFT 8 -#define EXYNOS4_TMU_REF_VOLTAGE_SHIFT 24 - -#define EXYNOS4_TMU_TRIM_TEMP_MASK 0xff -#define EXYNOS4_TMU_CORE_ON 3 -#define EXYNOS4_TMU_CORE_OFF 2 -#define EXYNOS4_TMU_DEF_CODE_TO_TEMP_OFFSET 50 #define EXYNOS4_TMU_TRIG_LEVEL0_MASK 0x1 #define EXYNOS4_TMU_TRIG_LEVEL1_MASK 0x10 #define EXYNOS4_TMU_TRIG_LEVEL2_MASK 0x100 #define EXYNOS4_TMU_TRIG_LEVEL3_MASK 0x1000 #define EXYNOS4_TMU_INTCLEAR_VAL 0x1111

-struct exynos4_tmu_data { - struct exynos4_tmu_platform_data *pdata; +/*Exynos5 specific registers*/ +#define EXYNOS5_TMU_TRIMINFO_CON 0x14 +#define EXYNOS5_THD_TEMP_RISE 0x50 +#define EXYNOS5_THD_TEMP_FALL 0x54 +#define EXYNOS5_EMUL_CON 0x80 + +#define EXYNOS5_TRIMINFO_RELOAD 0x1 +#define EXYNOS5_TMU_CLEAR_RISE_INT 0x111 +#define EXYNOS5_TMU_CLEAR_FALL_INT (0x111 << 16) +#define EXYNOS5_MUX_ADDR_VALUE 6 +#define EXYNOS5_MUX_ADDR_SHIFT 20 +#define EXYNOS5_TMU_TRIP_MODE_SHIFT 13 + +#define EFUSE_MIN_VALUE 40 +#define EFUSE_MAX_VALUE 100 + +/*In-kernel thermal framework related macros & definations*/ +#define SENSOR_NAME_LEN 16 +#define MAX_TRIP_COUNT 8 +#define MAX_COOLING_DEVICE 4 + +#define ACTIVE_INTERVAL 500 +#define IDLE_INTERVAL 10000 + +/* CPU Zone information */ +#define PANIC_ZONE 4 +#define WARN_ZONE 3 +#define MONITOR_ZONE 2 +#define SAFE_ZONE 1 + +#define GET_ZONE(trip) (trip + 2) +#define GET_TRIP(zone) (zone - 2) + +struct exynos_tmu_data { + struct exynos_tmu_platform_data *pdata; struct resource *mem; void __iomem *base; int irq; + enum soc_type soc; struct work_struct irq_work; struct mutex lock; struct clk *clk; @@ -81,16 +121,17 @@ struct exynos4_tmu_data { * TMU treats temperature as a mapped temperature code. * The temperature is converted differently depending on the calibration type. */ -static int temp_to_code(struct exynos4_tmu_data *data, u8 temp) +static int temp_to_code(struct exynos_tmu_data *data, u8 temp) { - struct exynos4_tmu_platform_data *pdata = data->pdata; + struct exynos_tmu_platform_data *pdata = data->pdata; int temp_code;

- /* temp should range between 25 and 125 */ - if (temp < 25 || temp > 125) { - temp_code = -EINVAL; - goto out; - } + if (data->soc == SOC_ARCH_EXYNOS4) + /* temp should range between 25 and 125 */ + if (temp < 25 || temp > 125) { + temp_code = -EINVAL; + goto out; + }

switch (pdata->cal_type) { case TYPE_TWO_POINT_TRIMMING: @@ -102,7 +143,7 @@ static int temp_to_code(struct exynos4_tmu_data *data, u8 temp) temp_code = temp + data->temp_error1 - 25; break; default: - temp_code = temp + EXYNOS4_TMU_DEF_CODE_TO_TEMP_OFFSET; + temp_code = temp + EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET; break; } out: @@ -113,16 +154,17 @@ out: * Calculate a temperature value from a temperature code. * The unit of the temperature is degree Celsius. */ -static int code_to_temp(struct exynos4_tmu_data *data, u8 temp_code) +static int code_to_temp(struct exynos_tmu_data *data, u8 temp_code) { - struct exynos4_tmu_platform_data *pdata = data->pdata; + struct exynos_tmu_platform_data *pdata = data->pdata; int temp;

- /* temp_code should range between 75 and 175 */ - if (temp_code < 75 || temp_code > 175) { - temp = -ENODATA; - goto out; - } + if (data->soc == SOC_ARCH_EXYNOS4) + /* temp_code should range between 75 and 175 */ + if (temp_code < 75 || temp_code > 175) { + temp = -ENODATA; + goto out; + }

switch (pdata->cal_type) { case TYPE_TWO_POINT_TRIMMING: @@ -133,54 +175,92 @@ static int code_to_temp(struct exynos4_tmu_data *data, u8 temp_code) temp = temp_code - data->temp_error1 + 25; break; default: - temp = temp_code - EXYNOS4_TMU_DEF_CODE_TO_TEMP_OFFSET; + temp = temp_code - EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET; break; } out: return temp; }

-static int exynos4_tmu_initialize(struct platform_device *pdev) +static int exynos_tmu_initialize(struct platform_device *pdev) { - struct exynos4_tmu_data *data = platform_get_drvdata(pdev); - struct exynos4_tmu_platform_data *pdata = data->pdata; - unsigned int status, trim_info; + struct exynos_tmu_data *data = platform_get_drvdata(pdev); + struct exynos_tmu_platform_data *pdata = data->pdata; + unsigned int status, trim_info, rising_threshold; int ret = 0, threshold_code;

mutex_lock(&data->lock); clk_enable(data->clk);

- status = readb(data->base + EXYNOS4_TMU_REG_STATUS); + status = readb(data->base + EXYNOS_TMU_REG_STATUS); if (!status) { ret = -EBUSY; goto out; }

+ if (data->soc == SOC_ARCH_EXYNOS5) { + __raw_writel(EXYNOS5_TRIMINFO_RELOAD, + data->base + EXYNOS5_TMU_TRIMINFO_CON); + } /* Save trimming info in order to perform calibration */ - trim_info = readl(data->base + EXYNOS4_TMU_REG_TRIMINFO); - data->temp_error1 = trim_info & EXYNOS4_TMU_TRIM_TEMP_MASK; - data->temp_error2 = ((trim_info >> 8) & EXYNOS4_TMU_TRIM_TEMP_MASK); - - /* Write temperature code for threshold */ - threshold_code = temp_to_code(data, pdata->threshold); - if (threshold_code < 0) { - ret = threshold_code; - goto out; + trim_info = readl(data->base + EXYNOS_TMU_REG_TRIMINFO); + data->temp_error1 = trim_info & EXYNOS_TMU_TRIM_TEMP_MASK; + data->temp_error2 = ((trim_info >> 8) & EXYNOS_TMU_TRIM_TEMP_MASK); + + if ((EFUSE_MIN_VALUE > data->temp_error1) || + (data->temp_error1 > EFUSE_MAX_VALUE) || + (data->temp_error2 != 0)) + data->temp_error1 = pdata->efuse_value; + + if (data->soc == SOC_ARCH_EXYNOS4) { + /* Write temperature code for threshold */ + threshold_code = temp_to_code(data, pdata->threshold); + if (threshold_code < 0) { + ret = threshold_code; + goto out; + } + writeb(threshold_code, + data->base + EXYNOS4_TMU_REG_THRESHOLD_TEMP); + + writeb(pdata->trigger_levels[0], + data->base + EXYNOS4_TMU_REG_TRIG_LEVEL0); + writeb(pdata->trigger_levels[1], + data->base + EXYNOS4_TMU_REG_TRIG_LEVEL1); + writeb(pdata->trigger_levels[2], + data->base + EXYNOS4_TMU_REG_TRIG_LEVEL2); + writeb(pdata->trigger_levels[3], + data->base + EXYNOS4_TMU_REG_TRIG_LEVEL3); + + writel(EXYNOS4_TMU_INTCLEAR_VAL, + data->base + EXYNOS_TMU_REG_INTCLEAR); + } else if (data->soc == SOC_ARCH_EXYNOS5) { + /* Write temperature code for threshold */ + threshold_code = temp_to_code(data, pdata->trigger_levels[0]); + if (threshold_code < 0) { + ret = threshold_code; + goto out; + } + rising_threshold = threshold_code; + threshold_code = temp_to_code(data, pdata->trigger_levels[1]); + if (threshold_code < 0) { + ret = threshold_code; + goto out; + } + rising_threshold |= (threshold_code << 8); + threshold_code = temp_to_code(data, pdata->trigger_levels[2]); + if (threshold_code < 0) { + ret = threshold_code; + goto out; + } + rising_threshold |= (threshold_code << 16); + + writel(rising_threshold, + data->base + EXYNOS5_THD_TEMP_RISE); + writel(0, data->base + EXYNOS5_THD_TEMP_FALL); + + writel(EXYNOS5_TMU_CLEAR_RISE_INT|EXYNOS5_TMU_CLEAR_FALL_INT, + data->base + EXYNOS_TMU_REG_INTCLEAR); } - writeb(threshold_code, - data->base + EXYNOS4_TMU_REG_THRESHOLD_TEMP); - - writeb(pdata->trigger_levels[0], - data->base + EXYNOS4_TMU_REG_TRIG_LEVEL0); - writeb(pdata->trigger_levels[1], - data->base + EXYNOS4_TMU_REG_TRIG_LEVEL1); - writeb(pdata->trigger_levels[2], - data->base + EXYNOS4_TMU_REG_TRIG_LEVEL2); - writeb(pdata->trigger_levels[3], - data->base + EXYNOS4_TMU_REG_TRIG_LEVEL3); - - writel(EXYNOS4_TMU_INTCLEAR_VAL, - data->base + EXYNOS4_TMU_REG_INTCLEAR); out: clk_disable(data->clk); mutex_unlock(&data->lock); @@ -188,35 +268,41 @@ out: return ret; }

-static void exynos4_tmu_control(struct platform_device *pdev, bool on) +static void exynos_tmu_control(struct platform_device *pdev, bool on) { - struct exynos4_tmu_data *data = platform_get_drvdata(pdev); - struct exynos4_tmu_platform_data *pdata = data->pdata; + struct exynos_tmu_data *data = platform_get_drvdata(pdev); + struct exynos_tmu_platform_data *pdata = data->pdata; unsigned int con, interrupt_en;

mutex_lock(&data->lock); clk_enable(data->clk);

- con = pdata->reference_voltage << EXYNOS4_TMU_REF_VOLTAGE_SHIFT | - pdata->gain << EXYNOS4_TMU_GAIN_SHIFT; + con = pdata->reference_voltage << EXYNOS_TMU_REF_VOLTAGE_SHIFT | + pdata->gain << EXYNOS_TMU_GAIN_SHIFT; + + if (data->soc == SOC_ARCH_EXYNOS5) { + con |= pdata->noise_cancel_mode << EXYNOS5_TMU_TRIP_MODE_SHIFT; + con |= (EXYNOS5_MUX_ADDR_VALUE << EXYNOS5_MUX_ADDR_SHIFT); + } + if (on) { - con |= EXYNOS4_TMU_CORE_ON; + con |= EXYNOS_TMU_CORE_ON; interrupt_en = pdata->trigger_level3_en << 12 | pdata->trigger_level2_en << 8 | pdata->trigger_level1_en << 4 | pdata->trigger_level0_en; } else { - con |= EXYNOS4_TMU_CORE_OFF; + con |= EXYNOS_TMU_CORE_OFF; interrupt_en = 0; /* Disable all interrupts */ } - writel(interrupt_en, data->base + EXYNOS4_TMU_REG_INTEN); - writel(con, data->base + EXYNOS4_TMU_REG_CONTROL); + writel(interrupt_en, data->base + EXYNOS_TMU_REG_INTEN); + writel(con, data->base + EXYNOS_TMU_REG_CONTROL);

clk_disable(data->clk); mutex_unlock(&data->lock); }

-static int exynos4_tmu_read(struct exynos4_tmu_data *data) +static int exynos_tmu_read(struct exynos_tmu_data *data) { u8 temp_code; int temp; @@ -224,7 +310,7 @@ static int exynos4_tmu_read(struct exynos4_tmu_data *data) mutex_lock(&data->lock); clk_enable(data->clk);

- temp_code = readb(data->base + EXYNOS4_TMU_REG_CURRENT_TEMP); + temp_code = readb(data->base + EXYNOS_TMU_REG_CURRENT_TEMP); temp = code_to_temp(data, temp_code);

clk_disable(data->clk); @@ -233,25 +319,30 @@ static int exynos4_tmu_read(struct exynos4_tmu_data *data) return temp; }

-static void exynos4_tmu_work(struct work_struct *work) +static void exynos_tmu_work(struct work_struct *work) { - struct exynos4_tmu_data *data = container_of(work, - struct exynos4_tmu_data, irq_work); + struct exynos_tmu_data *data = container_of(work, + struct exynos_tmu_data, irq_work);

mutex_lock(&data->lock); clk_enable(data->clk);

- writel(EXYNOS4_TMU_INTCLEAR_VAL, data->base + EXYNOS4_TMU_REG_INTCLEAR);

- enable_irq(data->irq); + if (data->soc == SOC_ARCH_EXYNOS5) + writel(EXYNOS5_TMU_CLEAR_RISE_INT, + data->base + EXYNOS_TMU_REG_INTCLEAR); + else + writel(EXYNOS4_TMU_INTCLEAR_VAL, + data->base + EXYNOS_TMU_REG_INTCLEAR);

clk_disable(data->clk); mutex_unlock(&data->lock); + enable_irq(data->irq); }

-static irqreturn_t exynos4_tmu_irq(int irq, void *id) +static irqreturn_t exynos_tmu_irq(int irq, void *id) { - struct exynos4_tmu_data *data = id; + struct exynos_tmu_data *data = id;

disable_irq_nosync(irq); schedule_work(&data->irq_work); @@ -259,18 +350,17 @@ static irqreturn_t exynos4_tmu_irq(int irq, void *id) return IRQ_HANDLED; }

-static int __devinit exynos4_tmu_probe(struct platform_device *pdev) +static int __devinit exynos_tmu_probe(struct platform_device *pdev) { - struct exynos4_tmu_data *data; - struct exynos4_tmu_platform_data *pdata = pdev->dev.platform_data; + struct exynos_tmu_data *data; + struct exynos_tmu_platform_data *pdata = pdev->dev.platform_data; int ret;

if (!pdata) { dev_err(&pdev->dev, "No platform init data supplied.\n"); return -ENODEV; } - - data = kzalloc(sizeof(struct exynos4_tmu_data), GFP_KERNEL); + data = kzalloc(sizeof(struct exynos_tmu_data), GFP_KERNEL); if (!data) { dev_err(&pdev->dev, "Failed to allocate driver structure\n"); return -ENOMEM; @@ -283,7 +373,7 @@ static int __devinit exynos4_tmu_probe(struct platform_device *pdev) goto err_free; }

- INIT_WORK(&data->irq_work, exynos4_tmu_work); + INIT_WORK(&data->irq_work, exynos_tmu_work);

data->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!data->mem) { @@ -307,9 +397,8 @@ static int __devinit exynos4_tmu_probe(struct platform_device *pdev) goto err_mem_region; }

- ret = request_irq(data->irq, exynos4_tmu_irq, - IRQF_TRIGGER_RISING, - "exynos4-tmu", data); + ret = request_irq(data->irq, exynos_tmu_irq, + IRQF_TRIGGER_RISING, "exynos-tmu", data); if (ret) { dev_err(&pdev->dev, "Failed to request irq: %d\n", data->irq); goto err_io_remap; @@ -322,17 +411,26 @@ static int __devinit exynos4_tmu_probe(struct platform_device *pdev) goto err_irq; }

+ if (pdata->type == SOC_ARCH_EXYNOS5 || + pdata->type == SOC_ARCH_EXYNOS4) + data->soc = pdata->type; + else { + ret = -EINVAL; + dev_err(&pdev->dev, "Platform not supported\n"); + goto err_clk; + } + data->pdata = pdata; platform_set_drvdata(pdev, data); mutex_init(&data->lock);

- ret = exynos4_tmu_initialize(pdev); + ret = exynos_tmu_initialize(pdev); if (ret) { dev_err(&pdev->dev, "Failed to initialize TMU\n"); goto err_clk; }

- exynos4_tmu_control(pdev, true); + exynos_tmu_control(pdev, true);

return 0; err_clk: @@ -350,11 +448,11 @@ err_free: return ret; }

-static int __devexit exynos4_tmu_remove(struct platform_device *pdev) +static int __devexit exynos_tmu_remove(struct platform_device *pdev) { - struct exynos4_tmu_data *data = platform_get_drvdata(pdev); + struct exynos_tmu_data *data = platform_get_drvdata(pdev);

- exynos4_tmu_control(pdev, false); + exynos_tmu_control(pdev, false);

clk_put(data->clk);

@@ -371,39 +469,39 @@ static int __devexit exynos4_tmu_remove(struct platform_device *pdev) }

#ifdef CONFIG_PM -static int exynos4_tmu_suspend(struct platform_device *pdev, pm_message_t state) +static int exynos_tmu_suspend(struct platform_device *pdev, pm_message_t state) { - exynos4_tmu_control(pdev, false); + exynos_tmu_control(pdev, false);

return 0; }

-static int exynos4_tmu_resume(struct platform_device *pdev) +static int exynos_tmu_resume(struct platform_device *pdev) { - exynos4_tmu_initialize(pdev); - exynos4_tmu_control(pdev, true); + exynos_tmu_initialize(pdev); + exynos_tmu_control(pdev, true);

return 0; } #else -#define exynos4_tmu_suspend NULL -#define exynos4_tmu_resume NULL +#define exynos_tmu_suspend NULL +#define exynos_tmu_resume NULL #endif

-static struct platform_driver exynos4_tmu_driver = { +static struct platform_driver exynos_tmu_driver = { .driver = { - .name = "exynos4-tmu", + .name = "exynos-tmu", .owner = THIS_MODULE, }, - .probe = exynos4_tmu_probe, - .remove = __devexit_p(exynos4_tmu_remove), - .suspend = exynos4_tmu_suspend, - .resume = exynos4_tmu_resume, + .probe = exynos_tmu_probe, + .remove = __devexit_p(exynos_tmu_remove), + .suspend = exynos_tmu_suspend, + .resume = exynos_tmu_resume, };

-module_platform_driver(exynos4_tmu_driver); +module_platform_driver(exynos_tmu_driver);

-MODULE_DESCRIPTION("EXYNOS4 TMU Driver"); +MODULE_DESCRIPTION("EXYNOS TMU Driver"); MODULE_AUTHOR("Donggeun Kim dg77.kim@samsung.com"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:exynos4-tmu"); +MODULE_ALIAS("platform:exynos-tmu"); diff --git a/include/linux/platform_data/exynos_thermal.h b/include/linux/platform_data/exynos_thermal.h index d6c3f93..c980af6 100644 --- a/include/linux/platform_data/exynos_thermal.h +++ b/include/linux/platform_data/exynos_thermal.h @@ -1,5 +1,5 @@ /* - * exynos_thermal.h - Samsung EXYNOS4 TMU (Thermal Management Unit) + * exynos_thermal.h - Samsung EXYNOS TMU (Thermal Management Unit) * * Copyright (C) 2011 Samsung Electronics * Donggeun Kim dg77.kim@samsung.com @@ -28,8 +28,12 @@ enum calibration_type { TYPE_NONE, };

+enum soc_type { + SOC_ARCH_EXYNOS4 = 1, + SOC_ARCH_EXYNOS5, +}; /** - * struct exynos4_tmu_platform_data + * struct exynos_tmu_platform_data * @threshold: basic temperature for generating interrupt * 25 <= threshold <= 125 [unit: degree Celsius] * @trigger_levels: array for each interrupt levels @@ -63,11 +67,15 @@ enum calibration_type { * @reference_voltage: reference voltage of amplifier * in the positive-TC generator block * 0 <= reference_voltage <= 31 + * @noise_cancel_mode: noise cancellation mode + * 000, 100, 101, 110 and 111 can be different modes + * @type: determines the type of SOC + * @efuse_value: platform defined fuse value * @cal_type: calibration type for temperature * - * This structure is required for configuration of exynos4_tmu driver. + * This structure is required for configuration of exynos_tmu driver. */ -struct exynos4_tmu_platform_data { +struct exynos_tmu_platform_data { u8 threshold; u8 trigger_levels[4]; bool trigger_level0_en; @@ -77,7 +85,10 @@ struct exynos4_tmu_platform_data {

u8 gain; u8 reference_voltage; + u8 noise_cancel_mode; + u32 efuse_value;

enum calibration_type cal_type; + enum soc_type type; }; #endif /* _LINUX_EXYNOS_THERMAL_H */