regulator: tps65023: Setting correct core regulator for tps65021

TPS65023 is using VDCDC1 as core regulator and TPS65021 is using VDCDC3.
Core-regulator and voltage-tables may differ between
different regulators. These two is now passed as driver data.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 75 insertions, 21 deletions

diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 11c9e1f14079..42740ffc0be8 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -99,7 +99,7 @@
 #define TPS65023_MAX_REG_ID             TPS65023_LDO_2
 
 /* Supported voltage values for regulators */
-static const u16 VDCDC1_VSEL_table[] = {
+static const u16 VCORE_VSEL_table[] = {
         800, 825, 850, 875,
         900, 925, 950, 975,
         1000, 1025, 1050, 1075,
@@ -110,20 +110,20 @@ static const u16 VDCDC1_VSEL_table[] = {
         1500, 1525, 1550, 1600,
 };
 
-static const u16 LDO1_VSEL_table[] = {
+
+
+/* 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 u16 LDO2_VSEL_table[] = {
+static const u16 TPS65023_LDO2_VSEL_table[] = {
         1050, 1200, 1300, 1800,
         2500, 2800, 3000, 3300,
 };
 
-static unsigned int num_voltages[] = {ARRAY_SIZE(VDCDC1_VSEL_table),
-                                0, 0, ARRAY_SIZE(LDO1_VSEL_table),
-                                ARRAY_SIZE(LDO2_VSEL_table)};
-
 /* Regulator specific details */
 struct tps_info {
         const char *name;
@@ -141,6 +141,13 @@ struct tps_pmic {
         struct regulator_dev *rdev[TPS65023_NUM_REGULATOR];
         const struct tps_info *info[TPS65023_NUM_REGULATOR];
         struct regmap *regmap;
+        u8 core_regulator;
+};
+
+/* Struct passed as driver data */
+struct tps_driver_data {
+        const struct tps_info *info;
+        u8 core_regulator;
 };
 
 static int tps_65023_set_bits(struct tps_pmic *tps, u8 reg, u8 mask)
@@ -267,7 +274,7 @@ static int tps65023_dcdc_get_voltage(struct regulator_dev *dev)
         if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
                 return -EINVAL;
 
-        if (dcdc == TPS65023_DCDC_1) {
+        if (dcdc == tps->core_regulator) {
                 data = tps_65023_reg_read(tps, TPS65023_REG_DEF_CORE);
                 if (data < 0)
                         return data;
@@ -286,9 +293,8 @@ static int tps65023_dcdc_set_voltage(struct regulator_dev *dev,
         int vsel;
         int ret;
 
-        if (dcdc != TPS65023_DCDC_1)
+        if (dcdc != tps->core_regulator)
                 return -EINVAL;
-
         if (min_uV < tps->info[dcdc]->min_uV
                         || min_uV > tps->info[dcdc]->max_uV)
                 return -EINVAL;
@@ -387,7 +393,7 @@ static int tps65023_dcdc_list_voltage(struct regulator_dev *dev,
         if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
                 return -EINVAL;
 
-        if (dcdc == TPS65023_DCDC_1) {
+        if (dcdc == tps->core_regulator) {
                 if (selector >= tps->info[dcdc]->table_len)
                         return -EINVAL;
                 else
@@ -439,7 +445,8 @@ static struct regmap_config tps65023_regmap_config = {
 static int __devinit tps_65023_probe(struct i2c_client *client,
                                      const struct i2c_device_id *id)
 {
-        const struct tps_info *info = (void *)id->driver_data;
+        const struct tps_driver_data *drv_data = (void *)id->driver_data;
+        const struct tps_info *info = drv_data->info;
         struct regulator_init_data *init_data;
         struct regulator_dev *rdev;
         struct tps_pmic *tps;
@@ -471,6 +478,7 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
 
         /* common for all regulators */
         tps->client = client;
+        tps->core_regulator = drv_data->core_regulator;
 
         for (i = 0; i < TPS65023_NUM_REGULATOR; i++, info++, init_data++) {
                 /* Store regulator specific information */
@@ -478,7 +486,7 @@ 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 = num_voltages[i];
+                tps->desc[i].n_voltages = info->table_len;
                 tps->desc[i].ops = (i > TPS65023_DCDC_3 ?
                                         &tps65023_ldo_ops : &tps65023_dcdc_ops);
                 tps->desc[i].type = REGULATOR_VOLTAGE;
@@ -540,13 +548,49 @@ static int __devexit tps_65023_remove(struct i2c_client *client)
         return 0;
 }
 
+static const struct tps_info tps65021_regs[] = {
+        {
+                .name = "VDCDC1",
+                .min_uV =  3300000,
+                .max_uV = 3300000,
+                .fixed = 1,
+        },
+        {
+                .name = "VDCDC2",
+                .min_uV =  1800000,
+                .max_uV = 1800000,
+                .fixed = 1,
+        },
+        {
+                .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,
+        },
+};
+
 static const struct tps_info tps65023_regs[] = {
         {
                 .name = "VDCDC1",
                 .min_uV =  800000,
                 .max_uV = 1600000,
-                .table_len = ARRAY_SIZE(VDCDC1_VSEL_table),
-                .table = VDCDC1_VSEL_table,
+                .table_len = ARRAY_SIZE(VCORE_VSEL_table),
+                .table = VCORE_VSEL_table,
         },
         {
                 .name = "VDCDC2",
@@ -564,23 +608,33 @@ static const struct tps_info tps65023_regs[] = {
                 .name = "LDO1",
                 .min_uV = 1000000,
                 .max_uV = 3150000,
-                .table_len = ARRAY_SIZE(LDO1_VSEL_table),
-                .table = LDO1_VSEL_table,
+                .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(LDO2_VSEL_table),
-                .table = LDO2_VSEL_table,
+                .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
+                .table = TPS65023_LDO2_VSEL_table,
         },
 };
 
+static struct tps_driver_data tps65021_drv_data = {
+                .info = tps65021_regs,
+                .core_regulator = TPS65023_DCDC_3,
+};
+
+static struct tps_driver_data tps65023_drv_data = {
+                .info = tps65023_regs,
+                .core_regulator = TPS65023_DCDC_1,
+};
+
 static const struct i2c_device_id tps_65023_id[] = {
         {.name = "tps65023",
-        .driver_data = (unsigned long) tps65023_regs,},
+        .driver_data = (unsigned long) &tps65023_drv_data},
         {.name = "tps65021",
-        .driver_data = (unsigned long) tps65023_regs,},
+        .driver_data = (unsigned long) &tps65021_drv_data,},
         { },
 };