The Exynos5440 is not actively developed, there are no development
boards available and probably there are no real products with it.
Remove wide-tree support for Exynos5440.

Signed-off-by: Krzysztof Kozlowski <k...@kernel.org>
---
 .../devicetree/bindings/thermal/exynos-thermal.txt |  14 +-
 drivers/thermal/samsung/exynos_tmu.c               | 155 +--------------------
 drivers/thermal/samsung/exynos_tmu.h               |   1 -
 3 files changed, 4 insertions(+), 166 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt 
b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
index b957acff57aa..ad648d93d961 100644
--- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
@@ -12,7 +12,6 @@
               "samsung,exynos5420-tmu-ext-triminfo" for TMU channels 2, 3 and 4
                        Exynos5420 (Must pass triminfo base and triminfo clock)
                "samsung,exynos5433-tmu"
-              "samsung,exynos5440-tmu"
               "samsung,exynos7-tmu"
 - interrupt-parent : The phandle for the interrupt controller
 - reg : Address range of the thermal registers. For soc's which has multiple
@@ -68,18 +67,7 @@ Example 1):
                #thermal-sensor-cells = <0>;
        };
 
-Example 2):
-
-       tmuctrl_0: tmuctrl@160118 {
-               compatible = "samsung,exynos5440-tmu";
-               reg = <0x160118 0x230>, <0x160368 0x10>;
-               interrupts = <0 58 0>;
-               clocks = <&clock 21>;
-               clock-names = "tmu_apbif";
-               #thermal-sensor-cells = <0>;
-       };
-
-Example 3): (In case of Exynos5420 "with misplaced TRIMINFO register")
+Example 2): (In case of Exynos5420 "with misplaced TRIMINFO register")
        tmu_cpu2: tmu@10068000 {
                compatible = "samsung,exynos5420-tmu-ext-triminfo";
                reg = <0x10068000 0x100>, <0x1006c000 0x4>;
diff --git a/drivers/thermal/samsung/exynos_tmu.c 
b/drivers/thermal/samsung/exynos_tmu.c
index ed805c7c5ace..f92f470bce21 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -123,28 +123,6 @@
 
 #define EXYNOS5433_PD_DET_EN                   1
 
-/*exynos5440 specific registers*/
-#define EXYNOS5440_TMU_S0_7_TRIM               0x000
-#define EXYNOS5440_TMU_S0_7_CTRL               0x020
-#define EXYNOS5440_TMU_S0_7_DEBUG              0x040
-#define EXYNOS5440_TMU_S0_7_TEMP               0x0f0
-#define EXYNOS5440_TMU_S0_7_TH0                        0x110
-#define EXYNOS5440_TMU_S0_7_TH1                        0x130
-#define EXYNOS5440_TMU_S0_7_TH2                        0x150
-#define EXYNOS5440_TMU_S0_7_IRQEN              0x210
-#define EXYNOS5440_TMU_S0_7_IRQ                        0x230
-/* exynos5440 common registers */
-#define EXYNOS5440_TMU_IRQ_STATUS              0x000
-#define EXYNOS5440_TMU_PMIN                    0x004
-
-#define EXYNOS5440_TMU_INTEN_RISE0_SHIFT       0
-#define EXYNOS5440_TMU_INTEN_RISE1_SHIFT       1
-#define EXYNOS5440_TMU_INTEN_RISE2_SHIFT       2
-#define EXYNOS5440_TMU_INTEN_RISE3_SHIFT       3
-#define EXYNOS5440_TMU_INTEN_FALL0_SHIFT       4
-#define EXYNOS5440_TMU_TH_RISE4_SHIFT          24
-#define EXYNOS5440_EFUSE_SWAP_OFFSET           8
-
 /* Exynos7 specific registers */
 #define EXYNOS7_THD_TEMP_RISE7_6               0x50
 #define EXYNOS7_THD_TEMP_FALL7_6               0x60
@@ -614,57 +592,6 @@ static int exynos5433_tmu_initialize(struct 
platform_device *pdev)
        return ret;
 }
 
-static int exynos5440_tmu_initialize(struct platform_device *pdev)
-{
-       struct exynos_tmu_data *data = platform_get_drvdata(pdev);
-       unsigned int trim_info = 0, con, rising_threshold;
-       int threshold_code;
-       int crit_temp = 0;
-
-       /*
-        * For exynos5440 soc triminfo value is swapped between TMU0 and
-        * TMU2, so the below logic is needed.
-        */
-       switch (data->id) {
-       case 0:
-               trim_info = readl(data->base + EXYNOS5440_EFUSE_SWAP_OFFSET +
-                                EXYNOS5440_TMU_S0_7_TRIM);
-               break;
-       case 1:
-               trim_info = readl(data->base + EXYNOS5440_TMU_S0_7_TRIM);
-               break;
-       case 2:
-               trim_info = readl(data->base - EXYNOS5440_EFUSE_SWAP_OFFSET +
-                                 EXYNOS5440_TMU_S0_7_TRIM);
-       }
-       sanitize_temp_error(data, trim_info);
-
-       /* Write temperature code for rising and falling threshold */
-       rising_threshold = readl(data->base + EXYNOS5440_TMU_S0_7_TH0);
-       rising_threshold = get_th_reg(data, rising_threshold, false);
-       writel(rising_threshold, data->base + EXYNOS5440_TMU_S0_7_TH0);
-       writel(0, data->base + EXYNOS5440_TMU_S0_7_TH1);
-
-       data->tmu_clear_irqs(data);
-
-       /* if last threshold limit is also present */
-       if (!data->tzd->ops->get_crit_temp(data->tzd, &crit_temp)) {
-               threshold_code = temp_to_code(data, crit_temp / MCELSIUS);
-               /* 5th level to be assigned in th2 reg */
-               rising_threshold =
-                       threshold_code << EXYNOS5440_TMU_TH_RISE4_SHIFT;
-               writel(rising_threshold, data->base + EXYNOS5440_TMU_S0_7_TH2);
-               con = readl(data->base + EXYNOS5440_TMU_S0_7_CTRL);
-               con |= (1 << EXYNOS_TMU_THERM_TRIP_EN_SHIFT);
-               writel(con, data->base + EXYNOS5440_TMU_S0_7_CTRL);
-       }
-       /* Clear the PMIN in the common TMU register */
-       if (!data->id)
-               writel(0, data->base_second + EXYNOS5440_TMU_PMIN);
-
-       return 0;
-}
-
 static int exynos7_tmu_initialize(struct platform_device *pdev)
 {
        struct exynos_tmu_data *data = platform_get_drvdata(pdev);
@@ -816,35 +743,6 @@ static void exynos5433_tmu_control(struct platform_device 
*pdev, bool on)
        writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
 }
 
-static void exynos5440_tmu_control(struct platform_device *pdev, bool on)
-{
-       struct exynos_tmu_data *data = platform_get_drvdata(pdev);
-       struct thermal_zone_device *tz = data->tzd;
-       unsigned int con, interrupt_en;
-
-       con = get_con_reg(data, readl(data->base + EXYNOS5440_TMU_S0_7_CTRL));
-
-       if (on) {
-               con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
-               interrupt_en =
-                       (of_thermal_is_trip_valid(tz, 3)
-                        << EXYNOS5440_TMU_INTEN_RISE3_SHIFT) |
-                       (of_thermal_is_trip_valid(tz, 2)
-                        << EXYNOS5440_TMU_INTEN_RISE2_SHIFT) |
-                       (of_thermal_is_trip_valid(tz, 1)
-                        << EXYNOS5440_TMU_INTEN_RISE1_SHIFT) |
-                       (of_thermal_is_trip_valid(tz, 0)
-                        << EXYNOS5440_TMU_INTEN_RISE0_SHIFT);
-               interrupt_en |=
-                       interrupt_en << EXYNOS5440_TMU_INTEN_FALL0_SHIFT;
-       } else {
-               con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT);
-               interrupt_en = 0; /* Disable all interrupts */
-       }
-       writel(interrupt_en, data->base + EXYNOS5440_TMU_S0_7_IRQEN);
-       writel(con, data->base + EXYNOS5440_TMU_S0_7_CTRL);
-}
-
 static void exynos7_tmu_control(struct platform_device *pdev, bool on)
 {
        struct exynos_tmu_data *data = platform_get_drvdata(pdev);
@@ -911,10 +809,8 @@ static u32 get_emul_con_reg(struct exynos_tmu_data *data, 
unsigned int val,
        if (temp) {
                temp /= MCELSIUS;
 
-               if (data->soc != SOC_ARCH_EXYNOS5440) {
-                       val &= ~(EXYNOS_EMUL_TIME_MASK << 
EXYNOS_EMUL_TIME_SHIFT);
-                       val |= (EXYNOS_EMUL_TIME << EXYNOS_EMUL_TIME_SHIFT);
-               }
+               val &= ~(EXYNOS_EMUL_TIME_MASK << EXYNOS_EMUL_TIME_SHIFT);
+               val |= (EXYNOS_EMUL_TIME << EXYNOS_EMUL_TIME_SHIFT);
                if (data->soc == SOC_ARCH_EXYNOS7) {
                        val &= ~(EXYNOS7_EMUL_DATA_MASK <<
                                EXYNOS7_EMUL_DATA_SHIFT);
@@ -955,16 +851,6 @@ static void exynos4412_tmu_set_emulation(struct 
exynos_tmu_data *data,
        writel(val, data->base + emul_con);
 }
 
-static void exynos5440_tmu_set_emulation(struct exynos_tmu_data *data,
-                                        int temp)
-{
-       unsigned int val;
-
-       val = readl(data->base + EXYNOS5440_TMU_S0_7_DEBUG);
-       val = get_emul_con_reg(data, val, temp);
-       writel(val, data->base + EXYNOS5440_TMU_S0_7_DEBUG);
-}
-
 static int exynos_tmu_set_emulation(void *drv_data, int temp)
 {
        struct exynos_tmu_data *data = drv_data;
@@ -987,7 +873,6 @@ static int exynos_tmu_set_emulation(void *drv_data, int 
temp)
 }
 #else
 #define exynos4412_tmu_set_emulation NULL
-#define exynos5440_tmu_set_emulation NULL
 static int exynos_tmu_set_emulation(void *drv_data, int temp)
        { return -EINVAL; }
 #endif /* CONFIG_THERMAL_EMULATION */
@@ -1005,11 +890,6 @@ static int exynos4412_tmu_read(struct exynos_tmu_data 
*data)
        return readb(data->base + EXYNOS_TMU_REG_CURRENT_TEMP);
 }
 
-static int exynos5440_tmu_read(struct exynos_tmu_data *data)
-{
-       return readb(data->base + EXYNOS5440_TMU_S0_7_TEMP);
-}
-
 static int exynos7_tmu_read(struct exynos_tmu_data *data)
 {
        return readw(data->base + EXYNOS_TMU_REG_CURRENT_TEMP) &
@@ -1020,16 +900,9 @@ static void exynos_tmu_work(struct work_struct *work)
 {
        struct exynos_tmu_data *data = container_of(work,
                        struct exynos_tmu_data, irq_work);
-       unsigned int val_type;
 
        if (!IS_ERR(data->clk_sec))
                clk_enable(data->clk_sec);
-       /* Find which sensor generated this interrupt */
-       if (data->soc == SOC_ARCH_EXYNOS5440) {
-               val_type = readl(data->base_second + EXYNOS5440_TMU_IRQ_STATUS);
-               if (!((val_type >> data->id) & 0x1))
-                       goto out;
-       }
        if (!IS_ERR(data->clk_sec))
                clk_disable(data->clk_sec);
 
@@ -1042,7 +915,6 @@ static void exynos_tmu_work(struct work_struct *work)
 
        clk_disable(data->clk);
        mutex_unlock(&data->lock);
-out:
        enable_irq(data->irq);
 }
 
@@ -1077,15 +949,6 @@ static void exynos4210_tmu_clear_irqs(struct 
exynos_tmu_data *data)
        writel(val_irq, data->base + tmu_intclear);
 }
 
-static void exynos5440_tmu_clear_irqs(struct exynos_tmu_data *data)
-{
-       unsigned int val_irq;
-
-       val_irq = readl(data->base + EXYNOS5440_TMU_S0_7_IRQ);
-       /* clear the interrupts */
-       writel(val_irq, data->base + EXYNOS5440_TMU_S0_7_IRQ);
-}
-
 static irqreturn_t exynos_tmu_irq(int irq, void *id)
 {
        struct exynos_tmu_data *data = id;
@@ -1105,7 +968,6 @@ static const struct of_device_id exynos_tmu_match[] = {
        { .compatible = "samsung,exynos5420-tmu", },
        { .compatible = "samsung,exynos5420-tmu-ext-triminfo", },
        { .compatible = "samsung,exynos5433-tmu", },
-       { .compatible = "samsung,exynos5440-tmu", },
        { .compatible = "samsung,exynos7-tmu", },
        { /* sentinel */ },
 };
@@ -1130,8 +992,6 @@ static int exynos_of_get_soc_type(struct device_node *np)
                return SOC_ARCH_EXYNOS5420_TRIMINFO;
        else if (of_device_is_compatible(np, "samsung,exynos5433-tmu"))
                return SOC_ARCH_EXYNOS5433;
-       else if (of_device_is_compatible(np, "samsung,exynos5440-tmu"))
-               return SOC_ARCH_EXYNOS5440;
        else if (of_device_is_compatible(np, "samsung,exynos7-tmu"))
                return SOC_ARCH_EXYNOS7;
 
@@ -1242,14 +1102,6 @@ static int exynos_map_dt_data(struct platform_device 
*pdev)
                data->tmu_clear_irqs = exynos4210_tmu_clear_irqs;
                data->ntrip = 8;
                break;
-       case SOC_ARCH_EXYNOS5440:
-               data->tmu_initialize = exynos5440_tmu_initialize;
-               data->tmu_control = exynos5440_tmu_control;
-               data->tmu_read = exynos5440_tmu_read;
-               data->tmu_set_emulation = exynos5440_tmu_set_emulation;
-               data->tmu_clear_irqs = exynos5440_tmu_clear_irqs;
-               data->ntrip = 4;
-               break;
        case SOC_ARCH_EXYNOS7:
                data->tmu_initialize = exynos7_tmu_initialize;
                data->tmu_control = exynos7_tmu_control;
@@ -1267,8 +1119,7 @@ static int exynos_map_dt_data(struct platform_device 
*pdev)
         * Check if the TMU shares some registers and then try to map the
         * memory of common registers.
         */
-       if (data->soc != SOC_ARCH_EXYNOS5420_TRIMINFO &&
-           data->soc != SOC_ARCH_EXYNOS5440)
+       if (data->soc != SOC_ARCH_EXYNOS5420_TRIMINFO)
                return 0;
 
        if (of_address_to_resource(pdev->dev.of_node, 1, &res)) {
diff --git a/drivers/thermal/samsung/exynos_tmu.h 
b/drivers/thermal/samsung/exynos_tmu.h
index 5149c2a3030c..f3f830edd79a 100644
--- a/drivers/thermal/samsung/exynos_tmu.h
+++ b/drivers/thermal/samsung/exynos_tmu.h
@@ -34,7 +34,6 @@ enum soc_type {
        SOC_ARCH_EXYNOS5420,
        SOC_ARCH_EXYNOS5420_TRIMINFO,
        SOC_ARCH_EXYNOS5433,
-       SOC_ARCH_EXYNOS5440,
        SOC_ARCH_EXYNOS7,
 };
 
-- 
2.14.1

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