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-rw-r--r--drivers/mfd/tps6105x.c78
-rw-r--r--drivers/regulator/core.c249
-rw-r--r--drivers/regulator/tps6105x-regulator.c16
-rw-r--r--drivers/regulator/tps65023-regulator.c282
4 files changed, 308 insertions, 317 deletions
diff --git a/drivers/mfd/tps6105x.c b/drivers/mfd/tps6105x.c
index 5de95c265c1a..4a174cdb50b6 100644
--- a/drivers/mfd/tps6105x.c
+++ b/drivers/mfd/tps6105x.c
@@ -16,7 +16,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
-#include <linux/mutex.h>
+#include <linux/regmap.h>
#include <linux/gpio.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
@@ -25,73 +25,18 @@
#include <linux/mfd/core.h>
#include <linux/mfd/tps6105x.h>
-int tps6105x_set(struct tps6105x *tps6105x, u8 reg, u8 value)
-{
- int ret;
-
- ret = mutex_lock_interruptible(&tps6105x->lock);
- if (ret)
- return ret;
- ret = i2c_smbus_write_byte_data(tps6105x->client, reg, value);
- mutex_unlock(&tps6105x->lock);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-EXPORT_SYMBOL(tps6105x_set);
-
-int tps6105x_get(struct tps6105x *tps6105x, u8 reg, u8 *buf)
-{
- int ret;
-
- ret = mutex_lock_interruptible(&tps6105x->lock);
- if (ret)
- return ret;
- ret = i2c_smbus_read_byte_data(tps6105x->client, reg);
- mutex_unlock(&tps6105x->lock);
- if (ret < 0)
- return ret;
-
- *buf = ret;
- return 0;
-}
-EXPORT_SYMBOL(tps6105x_get);
-
-/*
- * Masks off the bits in the mask and sets the bits in the bitvalues
- * parameter in one atomic operation
- */
-int tps6105x_mask_and_set(struct tps6105x *tps6105x, u8 reg,
- u8 bitmask, u8 bitvalues)
-{
- int ret;
- u8 regval;
-
- ret = mutex_lock_interruptible(&tps6105x->lock);
- if (ret)
- return ret;
- ret = i2c_smbus_read_byte_data(tps6105x->client, reg);
- if (ret < 0)
- goto fail;
- regval = ret;
- regval = (~bitmask & regval) | (bitmask & bitvalues);
- ret = i2c_smbus_write_byte_data(tps6105x->client, reg, regval);
-fail:
- mutex_unlock(&tps6105x->lock);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-EXPORT_SYMBOL(tps6105x_mask_and_set);
+static struct regmap_config tps6105x_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = TPS6105X_REG_3,
+};
static int tps6105x_startup(struct tps6105x *tps6105x)
{
int ret;
- u8 regval;
+ unsigned int regval;
- ret = tps6105x_get(tps6105x, TPS6105X_REG_0, &regval);
+ ret = regmap_read(tps6105x->regmap, TPS6105X_REG_0, &regval);
if (ret)
return ret;
switch (regval >> TPS6105X_REG0_MODE_SHIFT) {
@@ -145,11 +90,14 @@ static int tps6105x_probe(struct i2c_client *client,
if (!tps6105x)
return -ENOMEM;
+ tps6105x->regmap = devm_regmap_init_i2c(client, &tps6105x_regmap_config);
+ if (IS_ERR(tps6105x->regmap))
+ return PTR_ERR(tps6105x->regmap);
+
i2c_set_clientdata(client, tps6105x);
tps6105x->client = client;
pdata = dev_get_platdata(&client->dev);
tps6105x->pdata = pdata;
- mutex_init(&tps6105x->lock);
ret = tps6105x_startup(tps6105x);
if (ret) {
@@ -198,7 +146,7 @@ static int tps6105x_remove(struct i2c_client *client)
mfd_remove_devices(&client->dev);
/* Put chip in shutdown mode */
- tps6105x_mask_and_set(tps6105x, TPS6105X_REG_0,
+ regmap_update_bits(tps6105x->regmap, TPS6105X_REG_0,
TPS6105X_REG0_MODE_MASK,
TPS6105X_MODE_SHUTDOWN << TPS6105X_REG0_MODE_SHIFT);
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index e9b94d7be7c9..73b7683355cd 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -133,6 +133,45 @@ static bool have_full_constraints(void)
}
/**
+ * regulator_lock_supply - lock a regulator and its supplies
+ * @rdev: regulator source
+ */
+static void regulator_lock_supply(struct regulator_dev *rdev)
+{
+ struct regulator *supply;
+ int i = 0;
+
+ while (1) {
+ mutex_lock_nested(&rdev->mutex, i++);
+ supply = rdev->supply;
+
+ if (!rdev->supply)
+ return;
+
+ rdev = supply->rdev;
+ }
+}
+
+/**
+ * regulator_unlock_supply - unlock a regulator and its supplies
+ * @rdev: regulator source
+ */
+static void regulator_unlock_supply(struct regulator_dev *rdev)
+{
+ struct regulator *supply;
+
+ while (1) {
+ mutex_unlock(&rdev->mutex);
+ supply = rdev->supply;
+
+ if (!rdev->supply)
+ return;
+
+ rdev = supply->rdev;
+ }
+}
+
+/**
* of_get_regulator - get a regulator device node based on supply name
* @dev: Device pointer for the consumer (of regulator) device
* @supply: regulator supply name
@@ -2364,6 +2403,40 @@ static int _regulator_is_enabled(struct regulator_dev *rdev)
return rdev->desc->ops->is_enabled(rdev);
}
+static int _regulator_list_voltage(struct regulator *regulator,
+ unsigned selector, int lock)
+{
+ struct regulator_dev *rdev = regulator->rdev;
+ const struct regulator_ops *ops = rdev->desc->ops;
+ int ret;
+
+ if (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1 && !selector)
+ return rdev->desc->fixed_uV;
+
+ if (ops->list_voltage) {
+ if (selector >= rdev->desc->n_voltages)
+ return -EINVAL;
+ if (lock)
+ mutex_lock(&rdev->mutex);
+ ret = ops->list_voltage(rdev, selector);
+ if (lock)
+ mutex_unlock(&rdev->mutex);
+ } else if (rdev->supply) {
+ ret = _regulator_list_voltage(rdev->supply, selector, lock);
+ } else {
+ return -EINVAL;
+ }
+
+ if (ret > 0) {
+ if (ret < rdev->constraints->min_uV)
+ ret = 0;
+ else if (ret > rdev->constraints->max_uV)
+ ret = 0;
+ }
+
+ return ret;
+}
+
/**
* regulator_is_enabled - is the regulator output enabled
* @regulator: regulator source
@@ -2453,33 +2526,7 @@ EXPORT_SYMBOL_GPL(regulator_count_voltages);
*/
int regulator_list_voltage(struct regulator *regulator, unsigned selector)
{
- struct regulator_dev *rdev = regulator->rdev;
- const struct regulator_ops *ops = rdev->desc->ops;
- int ret;
-
- if (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1 && !selector)
- return rdev->desc->fixed_uV;
-
- if (ops->list_voltage) {
- if (selector >= rdev->desc->n_voltages)
- return -EINVAL;
- mutex_lock(&rdev->mutex);
- ret = ops->list_voltage(rdev, selector);
- mutex_unlock(&rdev->mutex);
- } else if (rdev->supply) {
- ret = regulator_list_voltage(rdev->supply, selector);
- } else {
- return -EINVAL;
- }
-
- if (ret > 0) {
- if (ret < rdev->constraints->min_uV)
- ret = 0;
- else if (ret > rdev->constraints->max_uV)
- ret = 0;
- }
-
- return ret;
+ return _regulator_list_voltage(regulator, selector, 1);
}
EXPORT_SYMBOL_GPL(regulator_list_voltage);
@@ -2614,6 +2661,23 @@ int regulator_is_supported_voltage(struct regulator *regulator,
}
EXPORT_SYMBOL_GPL(regulator_is_supported_voltage);
+static int regulator_map_voltage(struct regulator_dev *rdev, int min_uV,
+ int max_uV)
+{
+ const struct regulator_desc *desc = rdev->desc;
+
+ if (desc->ops->map_voltage)
+ return desc->ops->map_voltage(rdev, min_uV, max_uV);
+
+ if (desc->ops->list_voltage == regulator_list_voltage_linear)
+ return regulator_map_voltage_linear(rdev, min_uV, max_uV);
+
+ if (desc->ops->list_voltage == regulator_list_voltage_linear_range)
+ return regulator_map_voltage_linear_range(rdev, min_uV, max_uV);
+
+ return regulator_map_voltage_iterate(rdev, min_uV, max_uV);
+}
+
static int _regulator_call_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV,
unsigned *selector)
@@ -2702,23 +2766,7 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
}
} else if (rdev->desc->ops->set_voltage_sel) {
- if (rdev->desc->ops->map_voltage) {
- ret = rdev->desc->ops->map_voltage(rdev, min_uV,
- max_uV);
- } else {
- if (rdev->desc->ops->list_voltage ==
- regulator_list_voltage_linear)
- ret = regulator_map_voltage_linear(rdev,
- min_uV, max_uV);
- else if (rdev->desc->ops->list_voltage ==
- regulator_list_voltage_linear_range)
- ret = regulator_map_voltage_linear_range(rdev,
- min_uV, max_uV);
- else
- ret = regulator_map_voltage_iterate(rdev,
- min_uV, max_uV);
- }
-
+ ret = regulator_map_voltage(rdev, min_uV, max_uV);
if (ret >= 0) {
best_val = rdev->desc->ops->list_voltage(rdev, ret);
if (min_uV <= best_val && max_uV >= best_val) {
@@ -2769,32 +2817,15 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
return ret;
}
-/**
- * regulator_set_voltage - set regulator output voltage
- * @regulator: regulator source
- * @min_uV: Minimum required voltage in uV
- * @max_uV: Maximum acceptable voltage in uV
- *
- * Sets a voltage regulator to the desired output voltage. This can be set
- * during any regulator state. IOW, regulator can be disabled or enabled.
- *
- * If the regulator is enabled then the voltage will change to the new value
- * immediately otherwise if the regulator is disabled the regulator will
- * output at the new voltage when enabled.
- *
- * NOTE: If the regulator is shared between several devices then the lowest
- * request voltage that meets the system constraints will be used.
- * Regulator system constraints must be set for this regulator before
- * calling this function otherwise this call will fail.
- */
-int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV)
+static int regulator_set_voltage_unlocked(struct regulator *regulator,
+ int min_uV, int max_uV)
{
struct regulator_dev *rdev = regulator->rdev;
int ret = 0;
int old_min_uV, old_max_uV;
int current_uV;
-
- mutex_lock(&rdev->mutex);
+ int best_supply_uV = 0;
+ int supply_change_uV = 0;
/* If we're setting the same range as last time the change
* should be a noop (some cpufreq implementations use the same
@@ -2838,17 +2869,95 @@ int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV)
if (ret < 0)
goto out2;
+ if (rdev->supply && (rdev->desc->min_dropout_uV ||
+ !rdev->desc->ops->get_voltage)) {
+ int current_supply_uV;
+ int selector;
+
+ selector = regulator_map_voltage(rdev, min_uV, max_uV);
+ if (selector < 0) {
+ ret = selector;
+ goto out2;
+ }
+
+ best_supply_uV = _regulator_list_voltage(regulator, selector, 0);
+ if (best_supply_uV < 0) {
+ ret = best_supply_uV;
+ goto out2;
+ }
+
+ best_supply_uV += rdev->desc->min_dropout_uV;
+
+ current_supply_uV = _regulator_get_voltage(rdev->supply->rdev);
+ if (current_supply_uV < 0) {
+ ret = current_supply_uV;
+ goto out2;
+ }
+
+ supply_change_uV = best_supply_uV - current_supply_uV;
+ }
+
+ if (supply_change_uV > 0) {
+ ret = regulator_set_voltage_unlocked(rdev->supply,
+ best_supply_uV, INT_MAX);
+ if (ret) {
+ dev_err(&rdev->dev, "Failed to increase supply voltage: %d\n",
+ ret);
+ goto out2;
+ }
+ }
+
ret = _regulator_do_set_voltage(rdev, min_uV, max_uV);
if (ret < 0)
goto out2;
+ if (supply_change_uV < 0) {
+ ret = regulator_set_voltage_unlocked(rdev->supply,
+ best_supply_uV, INT_MAX);
+ if (ret)
+ dev_warn(&rdev->dev, "Failed to decrease supply voltage: %d\n",
+ ret);
+ /* No need to fail here */
+ ret = 0;
+ }
+
out:
- mutex_unlock(&rdev->mutex);
return ret;
out2:
regulator->min_uV = old_min_uV;
regulator->max_uV = old_max_uV;
- mutex_unlock(&rdev->mutex);
+
+ return ret;
+}
+
+/**
+ * regulator_set_voltage - set regulator output voltage
+ * @regulator: regulator source
+ * @min_uV: Minimum required voltage in uV
+ * @max_uV: Maximum acceptable voltage in uV
+ *
+ * Sets a voltage regulator to the desired output voltage. This can be set
+ * during any regulator state. IOW, regulator can be disabled or enabled.
+ *
+ * If the regulator is enabled then the voltage will change to the new value
+ * immediately otherwise if the regulator is disabled the regulator will
+ * output at the new voltage when enabled.
+ *
+ * NOTE: If the regulator is shared between several devices then the lowest
+ * request voltage that meets the system constraints will be used.
+ * Regulator system constraints must be set for this regulator before
+ * calling this function otherwise this call will fail.
+ */
+int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV)
+{
+ int ret = 0;
+
+ regulator_lock_supply(regulator->rdev);
+
+ ret = regulator_set_voltage_unlocked(regulator, min_uV, max_uV);
+
+ regulator_unlock_supply(regulator->rdev);
+
return ret;
}
EXPORT_SYMBOL_GPL(regulator_set_voltage);
@@ -3001,7 +3110,7 @@ static int _regulator_get_voltage(struct regulator_dev *rdev)
} else if (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1)) {
ret = rdev->desc->fixed_uV;
} else if (rdev->supply) {
- ret = regulator_get_voltage(rdev->supply);
+ ret = _regulator_get_voltage(rdev->supply->rdev);
} else {
return -EINVAL;
}
@@ -3024,11 +3133,11 @@ int regulator_get_voltage(struct regulator *regulator)
{
int ret;
- mutex_lock(&regulator->rdev->mutex);
+ regulator_lock_supply(regulator->rdev);
ret = _regulator_get_voltage(regulator->rdev);
- mutex_unlock(&regulator->rdev->mutex);
+ regulator_unlock_supply(regulator->rdev);
return ret;
}
diff --git a/drivers/regulator/tps6105x-regulator.c b/drivers/regulator/tps6105x-regulator.c
index 3510b3e7330a..ddc4f10e268a 100644
--- a/drivers/regulator/tps6105x-regulator.c
+++ b/drivers/regulator/tps6105x-regulator.c
@@ -14,7 +14,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/err.h>
-#include <linux/i2c.h>
+#include <linux/regmap.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/mfd/core.h>
@@ -33,7 +33,7 @@ static int tps6105x_regulator_enable(struct regulator_dev *rdev)
int ret;
/* Activate voltage mode */
- ret = tps6105x_mask_and_set(tps6105x, TPS6105X_REG_0,
+ ret = regmap_update_bits(tps6105x->regmap, TPS6105X_REG_0,
TPS6105X_REG0_MODE_MASK,
TPS6105X_REG0_MODE_VOLTAGE << TPS6105X_REG0_MODE_SHIFT);
if (ret)
@@ -48,7 +48,7 @@ static int tps6105x_regulator_disable(struct regulator_dev *rdev)
int ret;
/* Set into shutdown mode */
- ret = tps6105x_mask_and_set(tps6105x, TPS6105X_REG_0,
+ ret = regmap_update_bits(tps6105x->regmap, TPS6105X_REG_0,
TPS6105X_REG0_MODE_MASK,
TPS6105X_REG0_MODE_SHUTDOWN << TPS6105X_REG0_MODE_SHIFT);
if (ret)
@@ -60,10 +60,10 @@ static int tps6105x_regulator_disable(struct regulator_dev *rdev)
static int tps6105x_regulator_is_enabled(struct regulator_dev *rdev)
{
struct tps6105x *tps6105x = rdev_get_drvdata(rdev);
- u8 regval;
+ unsigned int regval;
int ret;
- ret = tps6105x_get(tps6105x, TPS6105X_REG_0, &regval);
+ ret = regmap_read(tps6105x->regmap, TPS6105X_REG_0, &regval);
if (ret)
return ret;
regval &= TPS6105X_REG0_MODE_MASK;
@@ -78,10 +78,10 @@ static int tps6105x_regulator_is_enabled(struct regulator_dev *rdev)
static int tps6105x_regulator_get_voltage_sel(struct regulator_dev *rdev)
{
struct tps6105x *tps6105x = rdev_get_drvdata(rdev);
- u8 regval;
+ unsigned int regval;
int ret;
- ret = tps6105x_get(tps6105x, TPS6105X_REG_0, &regval);
+ ret = regmap_read(tps6105x->regmap, TPS6105X_REG_0, &regval);
if (ret)
return ret;
@@ -96,7 +96,7 @@ static int tps6105x_regulator_set_voltage_sel(struct regulator_dev *rdev,
struct tps6105x *tps6105x = rdev_get_drvdata(rdev);
int ret;
- ret = tps6105x_mask_and_set(tps6105x, TPS6105X_REG_0,
+ ret = regmap_update_bits(tps6105x->regmap, TPS6105X_REG_0,
TPS6105X_REG0_VOLTAGE_MASK,
selector << TPS6105X_REG0_VOLTAGE_SHIFT);
if (ret)
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 5cc19b44974a..d2c3d7cc35f5 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -86,6 +86,42 @@
#define TPS65023_MAX_REG_ID TPS65023_LDO_2
+#define TPS65023_REGULATOR_DCDC(_num, _t, _em) \
+ { \
+ .name = "VDCDC"#_num, \
+ .of_match = of_match_ptr("VDCDC"#_num), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .id = TPS65023_DCDC_##_num, \
+ .n_voltages = ARRAY_SIZE(_t), \
+ .ops = &tps65023_dcdc_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .volt_table = _t, \
+ .vsel_reg = TPS65023_REG_DEF_CORE, \
+ .vsel_mask = ARRAY_SIZE(_t) - 1, \
+ .enable_mask = _em, \
+ .enable_reg = TPS65023_REG_REG_CTRL, \
+ .apply_reg = TPS65023_REG_CON_CTRL2, \
+ .apply_bit = TPS65023_REG_CTRL2_GO, \
+ } \
+
+#define TPS65023_REGULATOR_LDO(_num, _t, _vm) \
+ { \
+ .name = "LDO"#_num, \
+ .of_match = of_match_ptr("LDO"#_num), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .id = TPS65023_LDO_##_num, \
+ .n_voltages = ARRAY_SIZE(_t), \
+ .ops = &tps65023_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .volt_table = _t, \
+ .vsel_reg = TPS65023_REG_LDO_CTRL, \
+ .vsel_mask = _vm, \
+ .enable_mask = 1 << (_num), \
+ .enable_reg = TPS65023_REG_REG_CTRL, \
+ } \
+
/* Supported voltage values for regulators */
static const unsigned int VCORE_VSEL_table[] = {
800000, 825000, 850000, 875000,
@@ -124,25 +160,16 @@ static const unsigned int TPS65023_LDO2_VSEL_table[] = {
2500000, 2800000, 3000000, 3300000,
};
-/* Regulator specific details */
-struct tps_info {
- const char *name;
- u8 table_len;
- const unsigned int *table;
-};
-
/* PMIC details */
struct tps_pmic {
- struct regulator_desc desc[TPS65023_NUM_REGULATOR];
struct regulator_dev *rdev[TPS65023_NUM_REGULATOR];
- const struct tps_info *info[TPS65023_NUM_REGULATOR];
+ const struct tps_driver_data *driver_data;
struct regmap *regmap;
- u8 core_regulator;
};
/* Struct passed as driver data */
struct tps_driver_data {
- const struct tps_info *info;
+ const struct regulator_desc *desc;
u8 core_regulator;
};
@@ -154,7 +181,7 @@ static int tps65023_dcdc_get_voltage_sel(struct regulator_dev *dev)
if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
return -EINVAL;
- if (dcdc != tps->core_regulator)
+ if (dcdc != tps->driver_data->core_regulator)
return 0;
return regulator_get_voltage_sel_regmap(dev);
@@ -166,7 +193,7 @@ static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev,
struct tps_pmic *tps = rdev_get_drvdata(dev);
int dcdc = rdev_get_id(dev);
- if (dcdc != tps->core_regulator)
+ if (dcdc != tps->driver_data->core_regulator)
return -EINVAL;
return regulator_set_voltage_sel_regmap(dev, selector);
@@ -199,30 +226,60 @@ static const struct regmap_config tps65023_regmap_config = {
.val_bits = 8,
};
+static const struct regulator_desc tps65020_regulators[] = {
+ TPS65023_REGULATOR_DCDC(1, DCDC_FIXED_3300000_VSEL_table, 0x20),
+ TPS65023_REGULATOR_DCDC(2, DCDC_FIXED_1800000_VSEL_table, 0x10),
+ TPS65023_REGULATOR_DCDC(3, VCORE_VSEL_table, 0x08),
+ TPS65023_REGULATOR_LDO(1, TPS65020_LDO_VSEL_table, 0x07),
+ TPS65023_REGULATOR_LDO(2, TPS65020_LDO_VSEL_table, 0x70),
+};
+
+static const struct regulator_desc tps65021_regulators[] = {
+ TPS65023_REGULATOR_DCDC(1, DCDC_FIXED_3300000_VSEL_table, 0x20),
+ TPS65023_REGULATOR_DCDC(2, DCDC_FIXED_1800000_VSEL_table, 0x10),
+ TPS65023_REGULATOR_DCDC(3, VCORE_VSEL_table, 0x08),
+ TPS65023_REGULATOR_LDO(1, TPS65023_LDO1_VSEL_table, 0x07),
+ TPS65023_REGULATOR_LDO(2, TPS65023_LDO2_VSEL_table, 0x70),
+};
+
+static const struct regulator_desc tps65023_regulators[] = {
+ TPS65023_REGULATOR_DCDC(1, VCORE_VSEL_table, 0x20),
+ TPS65023_REGULATOR_DCDC(2, DCDC_FIXED_3300000_VSEL_table, 0x10),
+ TPS65023_REGULATOR_DCDC(3, DCDC_FIXED_1800000_VSEL_table, 0x08),
+ TPS65023_REGULATOR_LDO(1, TPS65023_LDO1_VSEL_table, 0x07),
+ TPS65023_REGULATOR_LDO(2, TPS65023_LDO2_VSEL_table, 0x70),
+};
+
+static struct tps_driver_data tps65020_drv_data = {
+ .desc = tps65020_regulators,
+ .core_regulator = TPS65023_DCDC_3,
+};
+
+static struct tps_driver_data tps65021_drv_data = {
+ .desc = tps65021_regulators,
+ .core_regulator = TPS65023_DCDC_3,
+};
+
+static struct tps_driver_data tps65023_drv_data = {
+ .desc = tps65023_regulators,
+ .core_regulator = TPS65023_DCDC_1,
+};
+
static int tps_65023_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- 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 = dev_get_platdata(&client->dev);
struct regulator_config config = { };
- struct regulator_init_data *init_data;
- struct regulator_dev *rdev;
struct tps_pmic *tps;
int i;
int error;
- /**
- * init_data points to array of regulator_init structures
- * coming from the board-evm file.
- */
- init_data = dev_get_platdata(&client->dev);
- if (!init_data)
- return -EIO;
-
tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
if (!tps)
return -ENOMEM;
+ tps->driver_data = (struct tps_driver_data *)id->driver_data;
+
tps->regmap = devm_regmap_init_i2c(client, &tps65023_regmap_config);
if (IS_ERR(tps->regmap)) {
error = PTR_ERR(tps->regmap);
@@ -232,58 +289,22 @@ static int tps_65023_probe(struct i2c_client *client,
}
/* common for all regulators */
- tps->core_regulator = drv_data->core_regulator;
-
- for (i = 0; i < TPS65023_NUM_REGULATOR; i++, info++, init_data++) {
- /* Store regulator specific information */
- tps->info[i] = info;
-
- 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;
- 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;
- 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;
- break;
- default: /* DCDCx */
- tps->desc[i].enable_mask =
- 1 << (TPS65023_NUM_REGULATOR - i);
- tps->desc[i].vsel_reg = TPS65023_REG_DEF_CORE;
- tps->desc[i].vsel_mask = info->table_len - 1;
- tps->desc[i].apply_reg = TPS65023_REG_CON_CTRL2;
- tps->desc[i].apply_bit = TPS65023_REG_CTRL2_GO;
- }
+ config.dev = &client->dev;
+ config.driver_data = tps;
+ config.regmap = tps->regmap;
- config.dev = &client->dev;
- config.init_data = init_data;
- config.driver_data = tps;
- config.regmap = tps->regmap;
+ for (i = 0; i < TPS65023_NUM_REGULATOR; i++) {
+ if (init_data)
+ config.init_data = &init_data[i];
/* Register the regulators */
- rdev = devm_regulator_register(&client->dev, &tps->desc[i],
- &config);
- if (IS_ERR(rdev)) {
+ tps->rdev[i] = devm_regulator_register(&client->dev,
+ &tps->driver_data->desc[i], &config);
+ if (IS_ERR(tps->rdev[i])) {
dev_err(&client->dev, "failed to register %s\n",
id->name);
- return PTR_ERR(rdev);
+ return PTR_ERR(tps->rdev[i]);
}
-
- /* Save regulator for cleanup */
- tps->rdev[i] = rdev;
}
i2c_set_clientdata(client, tps);
@@ -296,120 +317,33 @@ static int tps_65023_probe(struct i2c_client *client,
return 0;
}
-static const struct tps_info tps65020_regs[] = {
- {
- .name = "VDCDC1",
- .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
- .table = DCDC_FIXED_3300000_VSEL_table,
- },
- {
- .name = "VDCDC2",
- .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
- .table = DCDC_FIXED_1800000_VSEL_table,
- },
- {
- .name = "VDCDC3",
- .table_len = ARRAY_SIZE(VCORE_VSEL_table),
- .table = VCORE_VSEL_table,
- },
- {
- .name = "LDO1",
- .table_len = ARRAY_SIZE(TPS65020_LDO_VSEL_table),
- .table = TPS65020_LDO_VSEL_table,
- },
- {
- .name = "LDO2",
- .table_len = ARRAY_SIZE(TPS65020_LDO_VSEL_table),
- .table = TPS65020_LDO_VSEL_table,
- },
-};
-
-static const struct tps_info tps65021_regs[] = {
- {
- .name = "VDCDC1",
- .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
- .table = DCDC_FIXED_3300000_VSEL_table,
- },
- {
- .name = "VDCDC2",
- .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
- .table = DCDC_FIXED_1800000_VSEL_table,
- },
- {
- .name = "VDCDC3",
- .table_len = ARRAY_SIZE(VCORE_VSEL_table),
- .table = VCORE_VSEL_table,
- },
- {
- .name = "LDO1",
- .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
- .table = TPS65023_LDO1_VSEL_table,
- },
- {
- .name = "LDO2",
- .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
- .table = TPS65023_LDO2_VSEL_table,
- },
+static const struct of_device_id tps65023_of_match[] = {
+ { .compatible = "ti,tps65020", .data = &tps65020_drv_data},
+ { .compatible = "ti,tps65021", .data = &tps65021_drv_data},
+ { .compatible = "ti,tps65023", .data = &tps65023_drv_data},
+ {},
};
+MODULE_DEVICE_TABLE(of, tps65023_of_match);
-static const struct tps_info tps65023_regs[] = {
- {
- .name = "VDCDC1",
- .table_len = ARRAY_SIZE(VCORE_VSEL_table),
- .table = VCORE_VSEL_table,
- },
- {
- .name = "VDCDC2",
- .table_len = ARRAY_SIZE(DCDC_FIXED_3300000_VSEL_table),
- .table = DCDC_FIXED_3300000_VSEL_table,
- },
- {
- .name = "VDCDC3",
- .table_len = ARRAY_SIZE(DCDC_FIXED_1800000_VSEL_table),
- .table = DCDC_FIXED_1800000_VSEL_table,
- },
- {
- .name = "LDO1",
- .table_len = ARRAY_SIZE(TPS65023_LDO1_VSEL_table),
- .table = TPS65023_LDO1_VSEL_table,
- },
+static const struct i2c_device_id tps_65023_id[] = {
{
- .name = "LDO2",
- .table_len = ARRAY_SIZE(TPS65023_LDO2_VSEL_table),
- .table = TPS65023_LDO2_VSEL_table,
+ .name = "tps65023",
+ .driver_data = (kernel_ulong_t)&tps65023_drv_data
+ }, {
+ .name = "tps65021",
+ .driver_data = (kernel_ulong_t)&tps65021_drv_data
+ }, {
+ .name = "tps65020",
+ .driver_data = (kernel_ulong_t)&tps65020_drv_data
},
-};
-
-static struct tps_driver_data tps65020_drv_data = {
- .info = tps65020_regs,
- .core_regulator = TPS65023_DCDC_3,
-};
-
-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_drv_data},
- {.name = "tps65021",
- .driver_data = (unsigned long) &tps65021_drv_data,},
- {.name = "tps65020",
- .driver_data = (unsigned long) &tps65020_drv_data},
{ },
};
-
MODULE_DEVICE_TABLE(i2c, tps_65023_id);
static struct i2c_driver tps_65023_i2c_driver = {
.driver = {
.name = "tps65023",
+ .of_match_table = of_match_ptr(tps65023_of_match),
},
.probe = tps_65023_probe,
.id_table = tps_65023_id,
generated by cgit v1.2.3 (git 2.0.4) at 2024-09-20 01:04:16 +0000