regulator: s2mps11: Add support S2MPU02 regulator device
authorChanwoo Choi <cw00.choi@samsung.com>
Wed, 25 Jun 2014 07:14:45 +0000 (16:14 +0900)
committerLee Jones <lee.jones@linaro.org>
Wed, 9 Jul 2014 13:58:11 +0000 (14:58 +0100)
This patch add S2MPU02 regulator device to existing S2MPS11 device driver
because of little difference between S2MPS1x and S2MPU02. The S2MPU02
regulator device includes LDO[1-28] and BUCK[1-7].

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
[Add missing linear_min_sel of S2MPU02 LDO regulators by Jonghwa Lee]
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
drivers/mfd/sec-core.c
drivers/regulator/s2mps11.c

index 15ba847b3d236f1b6e156891ebe223faa6b708a6..2621328851ba1e18e8c52a45b7f2fe3969f1195b 100644 (file)
@@ -28,6 +28,7 @@
 #include <linux/mfd/samsung/s2mpa01.h>
 #include <linux/mfd/samsung/s2mps11.h>
 #include <linux/mfd/samsung/s2mps14.h>
+#include <linux/mfd/samsung/s2mpu02.h>
 #include <linux/mfd/samsung/s5m8763.h>
 #include <linux/mfd/samsung/s5m8767.h>
 #include <linux/regmap.h>
@@ -144,6 +145,18 @@ static bool s2mps11_volatile(struct device *dev, unsigned int reg)
        }
 }
 
+static bool s2mpu02_volatile(struct device *dev, unsigned int reg)
+{
+       switch (reg) {
+       case S2MPU02_REG_INT1M:
+       case S2MPU02_REG_INT2M:
+       case S2MPU02_REG_INT3M:
+               return false;
+       default:
+               return true;
+       }
+}
+
 static bool s5m8763_volatile(struct device *dev, unsigned int reg)
 {
        switch (reg) {
@@ -189,6 +202,15 @@ static const struct regmap_config s2mps14_regmap_config = {
        .cache_type = REGCACHE_FLAT,
 };
 
+static const struct regmap_config s2mpu02_regmap_config = {
+       .reg_bits = 8,
+       .val_bits = 8,
+
+       .max_register = S2MPU02_REG_DVSDATA,
+       .volatile_reg = s2mpu02_volatile,
+       .cache_type = REGCACHE_FLAT,
+};
+
 static const struct regmap_config s5m8763_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
@@ -310,6 +332,9 @@ static int sec_pmic_probe(struct i2c_client *i2c,
        case S5M8767X:
                regmap = &s5m8767_regmap_config;
                break;
+       case S2MPU02:
+               regmap = &s2mpu02_regmap_config;
+               break;
        default:
                regmap = &sec_regmap_config;
                break;
index 02e2fb2fca66fcf692d35ed0b1294274f8ce4ae5..2daacc632e65b7ec38a2240e2a9688f5cbbe8a63 100644 (file)
@@ -31,6 +31,7 @@
 #include <linux/mfd/samsung/core.h>
 #include <linux/mfd/samsung/s2mps11.h>
 #include <linux/mfd/samsung/s2mps14.h>
+#include <linux/mfd/samsung/s2mpu02.h>
 
 struct s2mps11_info {
        unsigned int rdev_num;
@@ -40,11 +41,15 @@ struct s2mps11_info {
        int ramp_delay16;
        int ramp_delay7810;
        int ramp_delay9;
+
+       enum sec_device_type dev_type;
+
        /*
-        * One bit for each S2MPS14 regulator whether the suspend mode
+        * One bit for each S2MPS14/S2MPU02 regulator whether the suspend mode
         * was enabled.
         */
-       unsigned int s2mps14_suspend_state:30;
+       unsigned long long s2mps14_suspend_state:35;
+
        /* Array of size rdev_num with GPIO-s for external sleep control */
        int *ext_control_gpio;
 };
@@ -415,12 +420,24 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev)
        struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
        unsigned int val;
 
-       if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev)))
-               val = S2MPS14_ENABLE_SUSPEND;
-       else if (gpio_is_valid(s2mps11->ext_control_gpio[rdev_get_id(rdev)]))
-               val = S2MPS14_ENABLE_EXT_CONTROL;
-       else
-               val = rdev->desc->enable_mask;
+       switch (s2mps11->dev_type) {
+       case S2MPS14X:
+               if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev)))
+                       val = S2MPS14_ENABLE_SUSPEND;
+               else if (gpio_is_valid(s2mps11->ext_control_gpio[rdev_get_id(rdev)]))
+                       val = S2MPS14_ENABLE_EXT_CONTROL;
+               else
+                       val = rdev->desc->enable_mask;
+               break;
+       case S2MPU02:
+               if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev)))
+                       val = S2MPU02_ENABLE_SUSPEND;
+               else
+                       val = rdev->desc->enable_mask;
+               break;
+       default:
+               return -EINVAL;
+       };
 
        return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
                        rdev->desc->enable_mask, val);
@@ -429,12 +446,38 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev)
 static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev)
 {
        int ret;
-       unsigned int val;
+       unsigned int val, state;
        struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
+       int rdev_id = rdev_get_id(rdev);
 
-       /* LDO3 should be always on and does not support suspend mode */
-       if (rdev_get_id(rdev) == S2MPS14_LDO3)
-               return 0;
+       /* Below LDO should be always on or does not support suspend mode. */
+       switch (s2mps11->dev_type) {
+       case S2MPS14X:
+               switch (rdev_id) {
+               case S2MPS14_LDO3:
+                       return 0;
+               default:
+                       state = S2MPS14_ENABLE_SUSPEND;
+                       break;
+               };
+               break;
+       case S2MPU02:
+               switch (rdev_id) {
+               case S2MPU02_LDO13:
+               case S2MPU02_LDO14:
+               case S2MPU02_LDO15:
+               case S2MPU02_LDO17:
+               case S2MPU02_BUCK7:
+                       state = S2MPU02_DISABLE_SUSPEND;
+                       break;
+               default:
+                       state = S2MPU02_ENABLE_SUSPEND;
+                       break;
+               };
+               break;
+       default:
+               return -EINVAL;
+       };
 
        ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
        if (ret < 0)
@@ -452,7 +495,7 @@ static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev)
                return 0;
 
        return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
-                       rdev->desc->enable_mask, S2MPS14_ENABLE_SUSPEND);
+                       rdev->desc->enable_mask, state);
 }
 
 static struct regulator_ops s2mps14_reg_ops = {
@@ -605,8 +648,7 @@ static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev,
 }
 
 static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
-               struct of_regulator_match *rdata, struct s2mps11_info *s2mps11,
-               enum sec_device_type dev_type)
+               struct of_regulator_match *rdata, struct s2mps11_info *s2mps11)
 {
        struct device_node *reg_np;
 
@@ -617,7 +659,7 @@ static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
        }
 
        of_regulator_match(&pdev->dev, reg_np, rdata, s2mps11->rdev_num);
-       if (dev_type == S2MPS14X)
+       if (s2mps11->dev_type == S2MPS14X)
                s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11);
 
        of_node_put(reg_np);
@@ -625,6 +667,238 @@ static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
        return 0;
 }
 
+static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
+{
+       unsigned int ramp_val, ramp_shift, ramp_reg;
+
+       switch (rdev_get_id(rdev)) {
+       case S2MPU02_BUCK1:
+               ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT;
+               break;
+       case S2MPU02_BUCK2:
+               ramp_shift = S2MPU02_BUCK2_RAMP_SHIFT;
+               break;
+       case S2MPU02_BUCK3:
+               ramp_shift = S2MPU02_BUCK3_RAMP_SHIFT;
+               break;
+       case S2MPU02_BUCK4:
+               ramp_shift = S2MPU02_BUCK4_RAMP_SHIFT;
+               break;
+       default:
+               return 0;
+       }
+       ramp_reg = S2MPU02_REG_RAMP1;
+       ramp_val = get_ramp_delay(ramp_delay);
+
+       return regmap_update_bits(rdev->regmap, ramp_reg,
+                                 S2MPU02_BUCK1234_RAMP_MASK << ramp_shift,
+                                 ramp_val << ramp_shift);
+}
+
+static struct regulator_ops s2mpu02_ldo_ops = {
+       .list_voltage           = regulator_list_voltage_linear,
+       .map_voltage            = regulator_map_voltage_linear,
+       .is_enabled             = regulator_is_enabled_regmap,
+       .enable                 = s2mps14_regulator_enable,
+       .disable                = regulator_disable_regmap,
+       .get_voltage_sel        = regulator_get_voltage_sel_regmap,
+       .set_voltage_sel        = regulator_set_voltage_sel_regmap,
+       .set_voltage_time_sel   = regulator_set_voltage_time_sel,
+       .set_suspend_disable    = s2mps14_regulator_set_suspend_disable,
+};
+
+static struct regulator_ops s2mpu02_buck_ops = {
+       .list_voltage           = regulator_list_voltage_linear,
+       .map_voltage            = regulator_map_voltage_linear,
+       .is_enabled             = regulator_is_enabled_regmap,
+       .enable                 = s2mps14_regulator_enable,
+       .disable                = regulator_disable_regmap,
+       .get_voltage_sel        = regulator_get_voltage_sel_regmap,
+       .set_voltage_sel        = regulator_set_voltage_sel_regmap,
+       .set_voltage_time_sel   = regulator_set_voltage_time_sel,
+       .set_suspend_disable    = s2mps14_regulator_set_suspend_disable,
+       .set_ramp_delay         = s2mpu02_set_ramp_delay,
+};
+
+#define regulator_desc_s2mpu02_ldo1(num) {             \
+       .name           = "LDO"#num,                    \
+       .id             = S2MPU02_LDO##num,             \
+       .ops            = &s2mpu02_ldo_ops,             \
+       .type           = REGULATOR_VOLTAGE,            \
+       .owner          = THIS_MODULE,                  \
+       .min_uV         = S2MPU02_LDO_MIN_900MV,        \
+       .uV_step        = S2MPU02_LDO_STEP_12_5MV,      \
+       .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
+       .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
+       .vsel_reg       = S2MPU02_REG_L1CTRL,           \
+       .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
+       .enable_reg     = S2MPU02_REG_L1CTRL,           \
+       .enable_mask    = S2MPU02_ENABLE_MASK           \
+}
+#define regulator_desc_s2mpu02_ldo2(num) {             \
+       .name           = "LDO"#num,                    \
+       .id             = S2MPU02_LDO##num,             \
+       .ops            = &s2mpu02_ldo_ops,             \
+       .type           = REGULATOR_VOLTAGE,            \
+       .owner          = THIS_MODULE,                  \
+       .min_uV         = S2MPU02_LDO_MIN_1050MV,       \
+       .uV_step        = S2MPU02_LDO_STEP_25MV,        \
+       .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
+       .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
+       .vsel_reg       = S2MPU02_REG_L2CTRL1,          \
+       .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
+       .enable_reg     = S2MPU02_REG_L2CTRL1,          \
+       .enable_mask    = S2MPU02_ENABLE_MASK           \
+}
+#define regulator_desc_s2mpu02_ldo3(num) {             \
+       .name           = "LDO"#num,                    \
+       .id             = S2MPU02_LDO##num,             \
+       .ops            = &s2mpu02_ldo_ops,             \
+       .type           = REGULATOR_VOLTAGE,            \
+       .owner          = THIS_MODULE,                  \
+       .min_uV         = S2MPU02_LDO_MIN_900MV,        \
+       .uV_step        = S2MPU02_LDO_STEP_12_5MV,      \
+       .linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
+       .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
+       .vsel_reg       = S2MPU02_REG_L3CTRL + num - 3, \
+       .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
+       .enable_reg     = S2MPU02_REG_L3CTRL + num - 3, \
+       .enable_mask    = S2MPU02_ENABLE_MASK           \
+}
+#define regulator_desc_s2mpu02_ldo4(num) {             \
+       .name           = "LDO"#num,                    \
+       .id             = S2MPU02_LDO##num,             \
+       .ops            = &s2mpu02_ldo_ops,             \
+       .type           = REGULATOR_VOLTAGE,            \
+       .owner          = THIS_MODULE,                  \
+       .min_uV         = S2MPU02_LDO_MIN_1050MV,       \
+       .uV_step        = S2MPU02_LDO_STEP_25MV,        \
+       .linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
+       .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
+       .vsel_reg       = S2MPU02_REG_L3CTRL + num - 3, \
+       .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
+       .enable_reg     = S2MPU02_REG_L3CTRL + num - 3, \
+       .enable_mask    = S2MPU02_ENABLE_MASK           \
+}
+#define regulator_desc_s2mpu02_ldo5(num) {             \
+       .name           = "LDO"#num,                    \
+       .id             = S2MPU02_LDO##num,             \
+       .ops            = &s2mpu02_ldo_ops,             \
+       .type           = REGULATOR_VOLTAGE,            \
+       .owner          = THIS_MODULE,                  \
+       .min_uV         = S2MPU02_LDO_MIN_1600MV,       \
+       .uV_step        = S2MPU02_LDO_STEP_50MV,        \
+       .linear_min_sel = S2MPU02_LDO_GROUP3_START_SEL, \
+       .n_voltages     = S2MPU02_LDO_N_VOLTAGES,       \
+       .vsel_reg       = S2MPU02_REG_L3CTRL + num - 3, \
+       .vsel_mask      = S2MPU02_LDO_VSEL_MASK,        \
+       .enable_reg     = S2MPU02_REG_L3CTRL + num - 3, \
+       .enable_mask    = S2MPU02_ENABLE_MASK           \
+}
+
+#define regulator_desc_s2mpu02_buck1234(num) {                 \
+       .name           = "BUCK"#num,                           \
+       .id             = S2MPU02_BUCK##num,                    \
+       .ops            = &s2mpu02_buck_ops,                    \
+       .type           = REGULATOR_VOLTAGE,                    \
+       .owner          = THIS_MODULE,                          \
+       .min_uV         = S2MPU02_BUCK1234_MIN_600MV,           \
+       .uV_step        = S2MPU02_BUCK1234_STEP_6_25MV,         \
+       .n_voltages     = S2MPU02_BUCK_N_VOLTAGES,              \
+       .linear_min_sel = S2MPU02_BUCK1234_START_SEL,           \
+       .ramp_delay     = S2MPU02_BUCK_RAMP_DELAY,              \
+       .vsel_reg       = S2MPU02_REG_B1CTRL2 + (num - 1) * 2,  \
+       .vsel_mask      = S2MPU02_BUCK_VSEL_MASK,               \
+       .enable_reg     = S2MPU02_REG_B1CTRL1 + (num - 1) * 2,  \
+       .enable_mask    = S2MPU02_ENABLE_MASK                   \
+}
+#define regulator_desc_s2mpu02_buck5(num) {                    \
+       .name           = "BUCK"#num,                           \
+       .id             = S2MPU02_BUCK##num,                    \
+       .ops            = &s2mpu02_ldo_ops,                     \
+       .type           = REGULATOR_VOLTAGE,                    \
+       .owner          = THIS_MODULE,                          \
+       .min_uV         = S2MPU02_BUCK5_MIN_1081_25MV,          \
+       .uV_step        = S2MPU02_BUCK5_STEP_6_25MV,            \
+       .n_voltages     = S2MPU02_BUCK_N_VOLTAGES,              \
+       .linear_min_sel = S2MPU02_BUCK5_START_SEL,              \
+       .ramp_delay     = S2MPU02_BUCK_RAMP_DELAY,              \
+       .vsel_reg       = S2MPU02_REG_B5CTRL2,                  \
+       .vsel_mask      = S2MPU02_BUCK_VSEL_MASK,               \
+       .enable_reg     = S2MPU02_REG_B5CTRL1,                  \
+       .enable_mask    = S2MPU02_ENABLE_MASK                   \
+}
+#define regulator_desc_s2mpu02_buck6(num) {                    \
+       .name           = "BUCK"#num,                           \
+       .id             = S2MPU02_BUCK##num,                    \
+       .ops            = &s2mpu02_ldo_ops,                     \
+       .type           = REGULATOR_VOLTAGE,                    \
+       .owner          = THIS_MODULE,                          \
+       .min_uV         = S2MPU02_BUCK6_MIN_1700MV,             \
+       .uV_step        = S2MPU02_BUCK6_STEP_2_50MV,            \
+       .n_voltages     = S2MPU02_BUCK_N_VOLTAGES,              \
+       .linear_min_sel = S2MPU02_BUCK6_START_SEL,              \
+       .ramp_delay     = S2MPU02_BUCK_RAMP_DELAY,              \
+       .vsel_reg       = S2MPU02_REG_B6CTRL2,                  \
+       .vsel_mask      = S2MPU02_BUCK_VSEL_MASK,               \
+       .enable_reg     = S2MPU02_REG_B6CTRL1,                  \
+       .enable_mask    = S2MPU02_ENABLE_MASK                   \
+}
+#define regulator_desc_s2mpu02_buck7(num) {                    \
+       .name           = "BUCK"#num,                           \
+       .id             = S2MPU02_BUCK##num,                    \
+       .ops            = &s2mpu02_ldo_ops,                     \
+       .type           = REGULATOR_VOLTAGE,                    \
+       .owner          = THIS_MODULE,                          \
+       .min_uV         = S2MPU02_BUCK7_MIN_900MV,              \
+       .uV_step        = S2MPU02_BUCK7_STEP_6_25MV,            \
+       .n_voltages     = S2MPU02_BUCK_N_VOLTAGES,              \
+       .linear_min_sel = S2MPU02_BUCK7_START_SEL,              \
+       .ramp_delay     = S2MPU02_BUCK_RAMP_DELAY,              \
+       .vsel_reg       = S2MPU02_REG_B7CTRL2,                  \
+       .vsel_mask      = S2MPU02_BUCK_VSEL_MASK,               \
+       .enable_reg     = S2MPU02_REG_B7CTRL1,                  \
+       .enable_mask    = S2MPU02_ENABLE_MASK                   \
+}
+
+static const struct regulator_desc s2mpu02_regulators[] = {
+       regulator_desc_s2mpu02_ldo1(1),
+       regulator_desc_s2mpu02_ldo2(2),
+       regulator_desc_s2mpu02_ldo4(3),
+       regulator_desc_s2mpu02_ldo5(4),
+       regulator_desc_s2mpu02_ldo4(5),
+       regulator_desc_s2mpu02_ldo3(6),
+       regulator_desc_s2mpu02_ldo3(7),
+       regulator_desc_s2mpu02_ldo4(8),
+       regulator_desc_s2mpu02_ldo5(9),
+       regulator_desc_s2mpu02_ldo3(10),
+       regulator_desc_s2mpu02_ldo4(11),
+       regulator_desc_s2mpu02_ldo5(12),
+       regulator_desc_s2mpu02_ldo5(13),
+       regulator_desc_s2mpu02_ldo5(14),
+       regulator_desc_s2mpu02_ldo5(15),
+       regulator_desc_s2mpu02_ldo5(16),
+       regulator_desc_s2mpu02_ldo4(17),
+       regulator_desc_s2mpu02_ldo5(18),
+       regulator_desc_s2mpu02_ldo3(19),
+       regulator_desc_s2mpu02_ldo4(20),
+       regulator_desc_s2mpu02_ldo5(21),
+       regulator_desc_s2mpu02_ldo5(22),
+       regulator_desc_s2mpu02_ldo5(23),
+       regulator_desc_s2mpu02_ldo4(24),
+       regulator_desc_s2mpu02_ldo5(25),
+       regulator_desc_s2mpu02_ldo4(26),
+       regulator_desc_s2mpu02_ldo5(27),
+       regulator_desc_s2mpu02_ldo5(28),
+       regulator_desc_s2mpu02_buck1234(1),
+       regulator_desc_s2mpu02_buck1234(2),
+       regulator_desc_s2mpu02_buck1234(3),
+       regulator_desc_s2mpu02_buck1234(4),
+       regulator_desc_s2mpu02_buck5(5),
+       regulator_desc_s2mpu02_buck6(6),
+       regulator_desc_s2mpu02_buck7(7),
+};
+
 static int s2mps11_pmic_probe(struct platform_device *pdev)
 {
        struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
@@ -634,15 +908,14 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
        struct s2mps11_info *s2mps11;
        int i, ret = 0;
        const struct regulator_desc *regulators;
-       enum sec_device_type dev_type;
 
        s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info),
                                GFP_KERNEL);
        if (!s2mps11)
                return -ENOMEM;
 
-       dev_type = platform_get_device_id(pdev)->driver_data;
-       switch (dev_type) {
+       s2mps11->dev_type = platform_get_device_id(pdev)->driver_data;
+       switch (s2mps11->dev_type) {
        case S2MPS11X:
                s2mps11->rdev_num = ARRAY_SIZE(s2mps11_regulators);
                regulators = s2mps11_regulators;
@@ -651,8 +924,13 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
                s2mps11->rdev_num = ARRAY_SIZE(s2mps14_regulators);
                regulators = s2mps14_regulators;
                break;
+       case S2MPU02:
+               s2mps11->rdev_num = ARRAY_SIZE(s2mpu02_regulators);
+               regulators = s2mpu02_regulators;
+               break;
        default:
-               dev_err(&pdev->dev, "Invalid device type: %u\n", dev_type);
+               dev_err(&pdev->dev, "Invalid device type: %u\n",
+                                   s2mps11->dev_type);
                return -EINVAL;
        };
 
@@ -686,7 +964,7 @@ static int s2mps11_pmic_probe(struct platform_device *pdev)
        for (i = 0; i < s2mps11->rdev_num; i++)
                rdata[i].name = regulators[i].name;
 
-       ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, dev_type);
+       ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11);
        if (ret)
                goto out;
 
@@ -739,6 +1017,7 @@ out:
 static const struct platform_device_id s2mps11_pmic_id[] = {
        { "s2mps11-pmic", S2MPS11X},
        { "s2mps14-pmic", S2MPS14X},
+       { "s2mpu02-pmic", S2MPU02},
        { },
 };
 MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id);