Merge tag 'remoteproc-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad...
[firefly-linux-kernel-4.4.55.git] / drivers / regulator / tps65023-regulator.c
index 8f1be8586c724a99061092d787273573eda5644e..6998d579d07b424891a79d09e62406a6b7e38d74 100644 (file)
 #define TPS65023_REG_CTRL2_DCDC1       BIT(1)
 #define TPS65023_REG_CTRL2_DCDC3       BIT(0)
 
-/* LDO_CTRL bitfields */
-#define TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_id)   ((ldo_id)*4)
-#define TPS65023_LDO_CTRL_LDOx_MASK(ldo_id)    (0x07 << ((ldo_id)*4))
-
 /* Number of step-down converters available */
 #define TPS65023_NUM_DCDC              3
 /* Number of LDO voltage regulators  available */
 #define TPS65023_MAX_REG_ID            TPS65023_LDO_2
 
 /* Supported voltage values for regulators */
-static const u16 VCORE_VSEL_table[] = {
-       800, 825, 850, 875,
-       900, 925, 950, 975,
-       1000, 1025, 1050, 1075,
-       1100, 1125, 1150, 1175,
-       1200, 1225, 1250, 1275,
-       1300, 1325, 1350, 1375,
-       1400, 1425, 1450, 1475,
-       1500, 1525, 1550, 1600,
+static const unsigned int VCORE_VSEL_table[] = {
+       800000, 825000, 850000, 875000,
+       900000, 925000, 950000, 975000,
+       1000000, 1025000, 1050000, 1075000,
+       1100000, 1125000, 1150000, 1175000,
+       1200000, 1225000, 1250000, 1275000,
+       1300000, 1325000, 1350000, 1375000,
+       1400000, 1425000, 1450000, 1475000,
+       1500000, 1525000, 1550000, 1600000,
+};
+
+static const unsigned int DCDC_FIXED_3300000_VSEL_table[] = {
+       3300000,
+};
+
+static const unsigned int DCDC_FIXED_1800000_VSEL_table[] = {
+       1800000,
 };
 
 /* Supported voltage values for LDO regulators for tps65020 */
-static const u16 TPS65020_LDO1_VSEL_table[] = {
-       1000, 1050, 1100, 1300,
-       1800, 2500, 3000, 3300,
+static const unsigned int TPS65020_LDO1_VSEL_table[] = {
+       1000000, 1050000, 1100000, 1300000,
+       1800000, 2500000, 3000000, 3300000,
 };
 
-static const u16 TPS65020_LDO2_VSEL_table[] = {
-       1000, 1050, 1100, 1300,
-       1800, 2500, 3000, 3300,
+static const unsigned int TPS65020_LDO2_VSEL_table[] = {
+       1000000, 1050000, 1100000, 1300000,
+       1800000, 2500000, 3000000, 3300000,
 };
 
 /* Supported voltage values for LDO regulators
  * for tps65021 and tps65023 */
-static const u16 TPS65023_LDO1_VSEL_table[] = {
-       1000, 1100, 1300, 1800,
-       2200, 2600, 2800, 3150,
+static const unsigned int TPS65023_LDO1_VSEL_table[] = {
+       1000000, 1100000, 1300000, 1800000,
+       2200000, 2600000, 2800000, 3150000,
 };
 
-static const u16 TPS65023_LDO2_VSEL_table[] = {
-       1050, 1200, 1300, 1800,
-       2500, 2800, 3000, 3300,
+static const unsigned int TPS65023_LDO2_VSEL_table[] = {
+       1050000, 1200000, 1300000, 1800000,
+       2500000, 2800000, 3000000, 3300000,
 };
 
 /* Regulator specific details */
 struct tps_info {
        const char *name;
-       unsigned min_uV;
-       unsigned max_uV;
-       bool fixed;
        u8 table_len;
-       const u16 *table;
+       const unsigned int *table;
 };
 
 /* PMIC details */
@@ -150,7 +151,7 @@ struct tps_driver_data {
        u8 core_regulator;
 };
 
-static int tps65023_dcdc_get_voltage(struct regulator_dev *dev)
+static int tps65023_dcdc_get_voltage_sel(struct regulator_dev *dev)
 {
        struct tps_pmic *tps = rdev_get_drvdata(dev);
        int ret;
@@ -164,9 +165,9 @@ static int tps65023_dcdc_get_voltage(struct regulator_dev *dev)
                if (ret != 0)
                        return ret;
                data &= (tps->info[dcdc]->table_len - 1);
-               return tps->info[dcdc]->table[data] * 1000;
+               return data;
        } else
-               return tps->info[dcdc]->min_uV;
+               return 0;
 }
 
 static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev,
@@ -193,76 +194,14 @@ out:
        return ret;
 }
 
-static int tps65023_ldo_get_voltage(struct regulator_dev *dev)
-{
-       struct tps_pmic *tps = rdev_get_drvdata(dev);
-       int data, ldo = rdev_get_id(dev);
-       int ret;
-
-       if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
-               return -EINVAL;
-
-       ret = regmap_read(tps->regmap, TPS65023_REG_LDO_CTRL, &data);
-       if (ret != 0)
-               return ret;
-
-       data >>= (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1));
-       data &= (tps->info[ldo]->table_len - 1);
-       return tps->info[ldo]->table[data] * 1000;
-}
-
-static int tps65023_ldo_set_voltage_sel(struct regulator_dev *dev,
-                                       unsigned selector)
-{
-       struct tps_pmic *tps = rdev_get_drvdata(dev);
-       int ldo_index = rdev_get_id(dev) - TPS65023_LDO_1;
-
-       return regmap_update_bits(tps->regmap, TPS65023_REG_LDO_CTRL,
-                       TPS65023_LDO_CTRL_LDOx_MASK(ldo_index),
-                       selector << TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_index));
-}
-
-static int tps65023_dcdc_list_voltage(struct regulator_dev *dev,
-                                       unsigned selector)
-{
-       struct tps_pmic *tps = rdev_get_drvdata(dev);
-       int dcdc = rdev_get_id(dev);
-
-       if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
-               return -EINVAL;
-
-       if (dcdc == tps->core_regulator) {
-               if (selector >= tps->info[dcdc]->table_len)
-                       return -EINVAL;
-               else
-                       return tps->info[dcdc]->table[selector] * 1000;
-       } else
-               return tps->info[dcdc]->min_uV;
-}
-
-static int tps65023_ldo_list_voltage(struct regulator_dev *dev,
-                                       unsigned selector)
-{
-       struct tps_pmic *tps = rdev_get_drvdata(dev);
-       int ldo = rdev_get_id(dev);
-
-       if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
-               return -EINVAL;
-
-       if (selector >= tps->info[ldo]->table_len)
-               return -EINVAL;
-       else
-               return tps->info[ldo]->table[selector] * 1000;
-}
-
 /* Operations permitted on VDCDCx */
 static struct regulator_ops tps65023_dcdc_ops = {
        .is_enabled = regulator_is_enabled_regmap,
        .enable = regulator_enable_regmap,
        .disable = regulator_disable_regmap,
-       .get_voltage = tps65023_dcdc_get_voltage,
+       .get_voltage_sel = tps65023_dcdc_get_voltage_sel,
        .set_voltage_sel = tps65023_dcdc_set_voltage_sel,
-       .list_voltage = tps65023_dcdc_list_voltage,
+       .list_voltage = regulator_list_voltage_table,
 };
 
 /* Operations permitted on LDOx */
@@ -270,9 +209,9 @@ static struct regulator_ops tps65023_ldo_ops = {
        .is_enabled = regulator_is_enabled_regmap,
        .enable = regulator_enable_regmap,
        .disable = regulator_disable_regmap,
-       .get_voltage = tps65023_ldo_get_voltage,
-       .set_voltage_sel = tps65023_ldo_set_voltage_sel,
-       .list_voltage = tps65023_ldo_list_voltage,
+       .get_voltage_sel = regulator_get_voltage_sel_regmap,
+       .set_voltage_sel = regulator_set_voltage_sel_regmap,
+       .list_voltage = regulator_list_voltage_table,
 };
 
 static struct regmap_config tps65023_regmap_config = {
@@ -325,19 +264,28 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
                tps->desc[i].name = info->name;
                tps->desc[i].id = i;
                tps->desc[i].n_voltages = info->table_len;
+               tps->desc[i].volt_table = info->table;
                tps->desc[i].ops = (i > TPS65023_DCDC_3 ?
                                        &tps65023_ldo_ops : &tps65023_dcdc_ops);
                tps->desc[i].type = REGULATOR_VOLTAGE;
                tps->desc[i].owner = THIS_MODULE;
 
                tps->desc[i].enable_reg = TPS65023_REG_REG_CTRL;
-               if (i == TPS65023_LDO_1)
+               switch (i) {
+               case TPS65023_LDO_1:
+                       tps->desc[i].vsel_reg = TPS65023_REG_LDO_CTRL;
+                       tps->desc[i].vsel_mask = 0x07;
                        tps->desc[i].enable_mask = 1 << 1;
-               else if (i == TPS65023_LDO_2)
+                       break;
+               case TPS65023_LDO_2:
+                       tps->desc[i].vsel_reg = TPS65023_REG_LDO_CTRL;
+                       tps->desc[i].vsel_mask = 0x70;
                        tps->desc[i].enable_mask = 1 << 2;
-               else /* DCDCx */
+                       break;
+               default: /* DCDCx */
                        tps->desc[i].enable_mask =
                                        1 << (TPS65023_NUM_REGULATOR - i);
+               }
 
                config.dev = &client->dev;
                config.init_data = init_data;
@@ -384,35 +332,26 @@ static int __devexit tps_65023_remove(struct i2c_client *client)
 static const struct tps_info tps65020_regs[] = {
        {
                .name = "VDCDC1",
-               .min_uV = 3300000,
-               .max_uV = 3300000,
-               .fixed  = 1,
+               .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
+               .table = DCDC_FIXED_3300000_VSEL_table,
        },
        {
                .name = "VDCDC2",
-               .min_uV =  1800000,
-               .max_uV = 1800000,
-               .fixed = 1,
+               .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
+               .table = DCDC_FIXED_1800000_VSEL_table,
        },
        {
                .name = "VDCDC3",
-               .min_uV =  800000,
-               .max_uV = 1600000,
                .table_len = ARRAY_SIZE(VCORE_VSEL_table),
                .table = VCORE_VSEL_table,
        },
-
        {
                .name = "LDO1",
-               .min_uV = 1000000,
-               .max_uV = 3150000,
                .table_len = ARRAY_SIZE(TPS65020_LDO1_VSEL_table),
                .table = TPS65020_LDO1_VSEL_table,
        },
        {
                .name = "LDO2",
-               .min_uV = 1050000,
-               .max_uV = 3300000,
                .table_len = ARRAY_SIZE(TPS65020_LDO2_VSEL_table),
                .table = TPS65020_LDO2_VSEL_table,
        },
@@ -421,34 +360,26 @@ static const struct tps_info tps65020_regs[] = {
 static const struct tps_info tps65021_regs[] = {
        {
                .name = "VDCDC1",
-               .min_uV =  3300000,
-               .max_uV = 3300000,
-               .fixed = 1,
+               .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
+               .table = DCDC_FIXED_3300000_VSEL_table,
        },
        {
                .name = "VDCDC2",
-               .min_uV =  1800000,
-               .max_uV = 1800000,
-               .fixed = 1,
+               .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
+               .table = DCDC_FIXED_1800000_VSEL_table,
        },
        {
                .name = "VDCDC3",
-               .min_uV =  800000,
-               .max_uV = 1600000,
                .table_len = ARRAY_SIZE(VCORE_VSEL_table),
                .table = VCORE_VSEL_table,
        },
        {
                .name = "LDO1",
-               .min_uV = 1000000,
-               .max_uV = 3150000,
                .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
                .table = TPS65023_LDO1_VSEL_table,
        },
        {
                .name = "LDO2",
-               .min_uV = 1050000,
-               .max_uV = 3300000,
                .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
                .table = TPS65023_LDO2_VSEL_table,
        },
@@ -457,34 +388,26 @@ static const struct tps_info tps65021_regs[] = {
 static const struct tps_info tps65023_regs[] = {
        {
                .name = "VDCDC1",
-               .min_uV =  800000,
-               .max_uV = 1600000,
                .table_len = ARRAY_SIZE(VCORE_VSEL_table),
                .table = VCORE_VSEL_table,
        },
        {
                .name = "VDCDC2",
-               .min_uV =  3300000,
-               .max_uV = 3300000,
-               .fixed = 1,
+               .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
+               .table = DCDC_FIXED_3300000_VSEL_table,
        },
        {
                .name = "VDCDC3",
-               .min_uV =  1800000,
-               .max_uV = 1800000,
-               .fixed = 1,
+               .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
+               .table = DCDC_FIXED_1800000_VSEL_table,
        },
        {
                .name = "LDO1",
-               .min_uV = 1000000,
-               .max_uV = 3150000,
                .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
                .table = TPS65023_LDO1_VSEL_table,
        },
        {
                .name = "LDO2",
-               .min_uV = 1050000,
-               .max_uV = 3300000,
                .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
                .table = TPS65023_LDO2_VSEL_table,
        },