thermal: exynos5: add exynos5250 thermal sensor driver support

Insert exynos5 TMU sensor changes into the thermal driver.  Some exynos4
changes are made generic for exynos series.

[akpm@linux-foundation.org: fix comment layout]
Signed-off-by: SangWook Ju <sw.ju@samsung.com>
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@linaro.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Durgadoss <durgadoss.r@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Kyungmin Park <kmpark@infradead.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>

2 files changed, 225 insertions, 128 deletions

diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 8f2b6eaf46b8..edfd67d25013 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -49,7 +49,7 @@ config RCAR_THERMAL
 
 config EXYNOS_THERMAL
         tristate "Temperature sensor on Samsung EXYNOS"
-        depends on ARCH_EXYNOS4 && THERMAL
+        depends on (ARCH_EXYNOS4 || ARCH_EXYNOS5) && THERMAL
         help
           If you say yes here you get support for TMU (Thermal Managment
           Unit) on SAMSUNG EXYNOS series of SoC.
diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c
index 556d15b4b029..c9a33dd5e4d8 100644
--- a/drivers/thermal/exynos_thermal.c
+++ b/drivers/thermal/exynos_thermal.c
@@ -33,44 +33,83 @@
 #include <linux/kobject.h>
 #include <linux/io.h>
 #include <linux/mutex.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
-#define EXYNOS4_TMU_REG_THRESHOLD_TEMP  0x44
-#define EXYNOS4_TMU_REG_TRIG_LEVEL0     0x50
-#define EXYNOS4_TMU_REG_TRIG_LEVEL1     0x54
-#define EXYNOS4_TMU_REG_TRIG_LEVEL2     0x58
-#define EXYNOS4_TMU_REG_TRIG_LEVEL3     0x5C
-#define EXYNOS4_TMU_REG_PAST_TEMP0      0x60
-#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;
+#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
+
+/* Exynos4210 specific registers */
+#define EXYNOS4210_TMU_REG_THRESHOLD_TEMP       0x44
+#define EXYNOS4210_TMU_REG_TRIG_LEVEL0  0x50
+#define EXYNOS4210_TMU_REG_TRIG_LEVEL1  0x54
+#define EXYNOS4210_TMU_REG_TRIG_LEVEL2  0x58
+#define EXYNOS4210_TMU_REG_TRIG_LEVEL3  0x5C
+#define EXYNOS4210_TMU_REG_PAST_TEMP0   0x60
+#define EXYNOS4210_TMU_REG_PAST_TEMP1   0x64
+#define EXYNOS4210_TMU_REG_PAST_TEMP2   0x68
+#define EXYNOS4210_TMU_REG_PAST_TEMP3   0x6C
+
+#define EXYNOS4210_TMU_TRIG_LEVEL0_MASK 0x1
+#define EXYNOS4210_TMU_TRIG_LEVEL1_MASK 0x10
+#define EXYNOS4210_TMU_TRIG_LEVEL2_MASK 0x100
+#define EXYNOS4210_TMU_TRIG_LEVEL3_MASK 0x1000
+#define EXYNOS4210_TMU_INTCLEAR_VAL     0x1111
+
+/* Exynos5250 and Exynos4412 specific registers */
+#define EXYNOS_TMU_TRIMINFO_CON 0x14
+#define EXYNOS_THD_TEMP_RISE            0x50
+#define EXYNOS_THD_TEMP_FALL            0x54
+#define EXYNOS_EMUL_CON         0x80
+
+#define EXYNOS_TRIMINFO_RELOAD          0x1
+#define EXYNOS_TMU_CLEAR_RISE_INT       0x111
+#define EXYNOS_TMU_CLEAR_FALL_INT       (0x111 << 16)
+#define EXYNOS_MUX_ADDR_VALUE           6
+#define EXYNOS_MUX_ADDR_SHIFT           20
+#define EXYNOS_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 +120,17 @@ 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_EXYNOS4210)
+                /* 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 +142,7 @@ 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 +153,17 @@ 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_EXYNOS4210)
+                /* 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 +174,92 @@ 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_EXYNOS) {
+                __raw_writel(EXYNOS_TRIMINFO_RELOAD,
+                                data->base + EXYNOS_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_EXYNOS4210) {
+                /* 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 + EXYNOS4210_TMU_REG_THRESHOLD_TEMP);
+
+                writeb(pdata->trigger_levels[0],
+                        data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL0);
+                writeb(pdata->trigger_levels[1],
+                        data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL1);
+                writeb(pdata->trigger_levels[2],
+                        data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL2);
+                writeb(pdata->trigger_levels[3],
+                        data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL3);
+
+                writel(EXYNOS4210_TMU_INTCLEAR_VAL,
+                        data->base + EXYNOS_TMU_REG_INTCLEAR);
+        } else if (data->soc == SOC_ARCH_EXYNOS) {
+                /* 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 + EXYNOS_THD_TEMP_RISE);
+                writel(0, data->base + EXYNOS_THD_TEMP_FALL);
+
+                writel(EXYNOS_TMU_CLEAR_RISE_INT|EXYNOS_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 +267,41 @@ 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_EXYNOS) {
+                con |= pdata->noise_cancel_mode << EXYNOS_TMU_TRIP_MODE_SHIFT;
+                con |= (EXYNOS_MUX_ADDR_VALUE << EXYNOS_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 +309,7 @@ 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 +318,30 @@ 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_EXYNOS)
+                writel(EXYNOS_TMU_CLEAR_RISE_INT,
+                                data->base + EXYNOS_TMU_REG_INTCLEAR);
+        else
+                writel(EXYNOS4210_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 +349,17 @@ 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 +372,7 @@ 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 +396,8 @@ 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 +410,26 @@ static int __devinit exynos4_tmu_probe(struct platform_device *pdev)
                 goto err_irq;
         }
 
+        if (pdata->type == SOC_ARCH_EXYNOS ||
+                                pdata->type == SOC_ARCH_EXYNOS4210)
+                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 +447,11 @@ 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);
 
@@ -371,43 +468,43 @@ static int __devexit exynos4_tmu_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM_SLEEP
-static int exynos4_tmu_suspend(struct device *dev)
+static int exynos_tmu_suspend(struct device *dev)
 {
-        exynos4_tmu_control(to_platform_device(dev), false);
+        exynos_tmu_control(to_platform_device(dev), false);
 
         return 0;
 }
 
-static int exynos4_tmu_resume(struct device *dev)
+static int exynos_tmu_resume(struct device *dev)
 {
         struct platform_device *pdev = to_platform_device(dev);
 
-        exynos4_tmu_initialize(pdev);
-        exynos4_tmu_control(pdev, true);
+        exynos_tmu_initialize(pdev);
+        exynos_tmu_control(pdev, true);
 
         return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(exynos4_tmu_pm,
-                         exynos4_tmu_suspend, exynos4_tmu_resume);
-#define EXYNOS4_TMU_PM  (&exynos4_tmu_pm)
+static SIMPLE_DEV_PM_OPS(exynos_tmu_pm,
+                         exynos_tmu_suspend, exynos_tmu_resume);
+#define EXYNOS_TMU_PM   (&exynos_tmu_pm)
 #else
-#define EXYNOS4_TMU_PM  NULL
+#define EXYNOS_TMU_PM   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,
-                .pm     = EXYNOS4_TMU_PM,
+                .pm     = EXYNOS_TMU_PM,
         },
-        .probe = exynos4_tmu_probe,
-        .remove = __devexit_p(exynos4_tmu_remove),
+        .probe = exynos_tmu_probe,
+        .remove = __devexit_p(exynos_tmu_remove),
 };
 
-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");