regulator: tps65023: Setting correct core regulator for tps65021
authorMarcus Folkesson <marcus.folkesson@gmail.com>
Mon, 8 Aug 2011 18:29:34 +0000 (20:29 +0200)
committerLiam Girdwood <lrg@slimlogic.co.uk>
Sun, 28 Aug 2011 16:43:40 +0000 (17:43 +0100)
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>
drivers/regulator/tps65023-regulator.c

index 11c9e1f1407964871a2235640e9d7e5127202e57..42740ffc0be813fe9be42c60f8c14dd92c955b75 100644 (file)
@@ -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,},
        { },
 };