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path: root/drivers/regulator/da9052-regulator.c
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Diffstat (limited to 'drivers/regulator/da9052-regulator.c')
-rw-r--r--drivers/regulator/da9052-regulator.c441
1 files changed, 148 insertions, 293 deletions
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index 09915e89705..88976d8d44e 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -19,6 +19,10 @@
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
+#ifdef CONFIG_OF
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
+#endif
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/reg.h>
@@ -37,6 +41,22 @@
#define DA9052_BUCK_ILIM_MASK_EVEN 0x0c
#define DA9052_BUCK_ILIM_MASK_ODD 0xc0
+/* DA9052 REGULATOR IDs */
+#define DA9052_ID_BUCK1 0
+#define DA9052_ID_BUCK2 1
+#define DA9052_ID_BUCK3 2
+#define DA9052_ID_BUCK4 3
+#define DA9052_ID_LDO1 4
+#define DA9052_ID_LDO2 5
+#define DA9052_ID_LDO3 6
+#define DA9052_ID_LDO4 7
+#define DA9052_ID_LDO5 8
+#define DA9052_ID_LDO6 9
+#define DA9052_ID_LDO7 10
+#define DA9052_ID_LDO8 11
+#define DA9052_ID_LDO9 12
+#define DA9052_ID_LDO10 13
+
static const u32 da9052_current_limits[3][4] = {
{700000, 800000, 1000000, 1200000}, /* DA9052-BC BUCKs */
{1600000, 2000000, 2400000, 3000000}, /* DA9053-AA/Bx BUCK-CORE */
@@ -50,8 +70,6 @@ struct da9052_regulator_info {
int step_uV;
int min_uV;
int max_uV;
- unsigned char volt_shift;
- unsigned char en_bit;
unsigned char activate_bit;
};
@@ -70,42 +88,6 @@ static int verify_range(struct da9052_regulator_info *info,
return 0;
}
-static int da9052_regulator_enable(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
-
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- 1 << info->en_bit, 1 << info->en_bit);
-}
-
-static int da9052_regulator_disable(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
-
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- 1 << info->en_bit, 0);
-}
-
-static int da9052_regulator_is_enabled(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
- int ret;
-
- ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset);
- if (ret < 0)
- return ret;
-
- return ret & (1 << info->en_bit);
-}
-
static int da9052_dcdc_get_current_limit(struct regulator_dev *rdev)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
@@ -173,36 +155,23 @@ static int da9052_dcdc_set_current_limit(struct regulator_dev *rdev, int min_uA,
reg_val << 6);
}
-static int da9052_list_buckperi_voltage(struct regulator_dev *rdev,
- unsigned int selector)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int volt_uV;
-
- if ((regulator->da9052->chip_id == DA9052) &&
- (selector >= DA9052_BUCK_PERI_REG_MAP_UPTO_3uV)) {
- volt_uV = ((DA9052_BUCK_PERI_REG_MAP_UPTO_3uV * info->step_uV)
- + info->min_uV);
- volt_uV += (selector - DA9052_BUCK_PERI_REG_MAP_UPTO_3uV)
- * (DA9052_BUCK_PERI_3uV_STEP);
- } else
- volt_uV = (selector * info->step_uV) + info->min_uV;
-
- if (volt_uV > info->max_uV)
- return -EINVAL;
-
- return volt_uV;
-}
-
static int da9052_list_voltage(struct regulator_dev *rdev,
unsigned int selector)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
struct da9052_regulator_info *info = regulator->info;
+ int id = rdev_get_id(rdev);
int volt_uV;
- volt_uV = info->min_uV + info->step_uV * selector;
+ if ((id == DA9052_ID_BUCK4) && (regulator->da9052->chip_id == DA9052)
+ && (selector >= DA9052_BUCK_PERI_REG_MAP_UPTO_3uV)) {
+ volt_uV = ((DA9052_BUCK_PERI_REG_MAP_UPTO_3uV * info->step_uV)
+ + info->min_uV);
+ volt_uV += (selector - DA9052_BUCK_PERI_REG_MAP_UPTO_3uV)
+ * (DA9052_BUCK_PERI_3uV_STEP);
+ } else {
+ volt_uV = (selector * info->step_uV) + info->min_uV;
+ }
if (volt_uV > info->max_uV)
return -EINVAL;
@@ -210,103 +179,13 @@ static int da9052_list_voltage(struct regulator_dev *rdev,
return volt_uV;
}
-static int da9052_regulator_set_voltage_int(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned int *selector)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
- int ret;
-
- ret = verify_range(info, min_uV, max_uV);
- if (ret < 0)
- return ret;
-
- if (min_uV < info->min_uV)
- min_uV = info->min_uV;
-
- *selector = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
-
- ret = da9052_list_voltage(rdev, *selector);
- if (ret < 0)
- return ret;
-
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- (1 << info->volt_shift) - 1, *selector);
-}
-
-static int da9052_set_ldo_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned int *selector)
-{
- return da9052_regulator_set_voltage_int(rdev, min_uV, max_uV, selector);
-}
-
-static int da9052_set_ldo5_6_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned int *selector)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int ret;
-
- ret = da9052_regulator_set_voltage_int(rdev, min_uV, max_uV, selector);
- if (ret < 0)
- return ret;
-
- /* Some LDOs are DVC controlled which requires enabling of
- * the LDO activate bit to implment the changes on the
- * LDO output.
- */
- return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG,
- info->activate_bit, info->activate_bit);
-}
-
-static int da9052_set_dcdc_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned int *selector)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int ret;
-
- ret = da9052_regulator_set_voltage_int(rdev, min_uV, max_uV, selector);
- if (ret < 0)
- return ret;
-
- /* Some DCDCs are DVC controlled which requires enabling of
- * the DCDC activate bit to implment the changes on the
- * DCDC output.
- */
- return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG,
- info->activate_bit, info->activate_bit);
-}
-
-static int da9052_get_regulator_voltage_sel(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
- int ret;
-
- ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset);
- if (ret < 0)
- return ret;
-
- ret &= ((1 << info->volt_shift) - 1);
-
- return ret;
-}
-
-static int da9052_set_buckperi_voltage(struct regulator_dev *rdev, int min_uV,
- int max_uV, unsigned int *selector)
+static int da9052_map_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
- int ret;
+ int id = rdev_get_id(rdev);
+ int ret, sel;
ret = verify_range(info, min_uV, max_uV);
if (ret < 0)
@@ -315,192 +194,147 @@ static int da9052_set_buckperi_voltage(struct regulator_dev *rdev, int min_uV,
if (min_uV < info->min_uV)
min_uV = info->min_uV;
- if ((regulator->da9052->chip_id == DA9052) &&
- (min_uV >= DA9052_CONST_3uV))
- *selector = DA9052_BUCK_PERI_REG_MAP_UPTO_3uV +
- DIV_ROUND_UP(min_uV - DA9052_CONST_3uV,
- DA9052_BUCK_PERI_3uV_STEP);
- else
- *selector = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
+ if ((id == DA9052_ID_BUCK4) && (regulator->da9052->chip_id == DA9052)
+ && (min_uV >= DA9052_CONST_3uV)) {
+ sel = DA9052_BUCK_PERI_REG_MAP_UPTO_3uV +
+ DIV_ROUND_UP(min_uV - DA9052_CONST_3uV,
+ DA9052_BUCK_PERI_3uV_STEP);
+ } else {
+ sel = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
+ }
- ret = da9052_list_buckperi_voltage(rdev, *selector);
+ ret = da9052_list_voltage(rdev, sel);
if (ret < 0)
return ret;
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- (1 << info->volt_shift) - 1, *selector);
+ return sel;
}
-static int da9052_get_buckperi_voltage_sel(struct regulator_dev *rdev)
+static int da9052_regulator_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
+ int id = rdev_get_id(rdev);
int ret;
- ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset);
+ ret = da9052_reg_update(regulator->da9052, rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, selector);
if (ret < 0)
return ret;
- ret &= ((1 << info->volt_shift) - 1);
+ /* Some LDOs and DCDCs are DVC controlled which requires enabling of
+ * the activate bit to implment the changes on the output.
+ */
+ switch (id) {
+ case DA9052_ID_BUCK1:
+ case DA9052_ID_BUCK2:
+ case DA9052_ID_BUCK3:
+ case DA9052_ID_LDO2:
+ case DA9052_ID_LDO3:
+ ret = da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG,
+ info->activate_bit, info->activate_bit);
+ break;
+ }
return ret;
}
-static struct regulator_ops da9052_buckperi_ops = {
- .list_voltage = da9052_list_buckperi_voltage,
- .get_voltage_sel = da9052_get_buckperi_voltage_sel,
- .set_voltage = da9052_set_buckperi_voltage,
-
- .get_current_limit = da9052_dcdc_get_current_limit,
- .set_current_limit = da9052_dcdc_set_current_limit,
-
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
-};
-
static struct regulator_ops da9052_dcdc_ops = {
- .set_voltage = da9052_set_dcdc_voltage,
.get_current_limit = da9052_dcdc_get_current_limit,
.set_current_limit = da9052_dcdc_set_current_limit,
.list_voltage = da9052_list_voltage,
- .get_voltage_sel = da9052_get_regulator_voltage_sel,
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
-};
-
-static struct regulator_ops da9052_ldo5_6_ops = {
- .set_voltage = da9052_set_ldo5_6_voltage,
-
- .list_voltage = da9052_list_voltage,
- .get_voltage_sel = da9052_get_regulator_voltage_sel,
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
+ .map_voltage = da9052_map_voltage,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = da9052_regulator_set_voltage_sel,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static struct regulator_ops da9052_ldo_ops = {
- .set_voltage = da9052_set_ldo_voltage,
-
.list_voltage = da9052_list_voltage,
- .get_voltage_sel = da9052_get_regulator_voltage_sel,
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
+ .map_voltage = da9052_map_voltage,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = da9052_regulator_set_voltage_sel,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
-#define DA9052_LDO5_6(_id, step, min, max, sbits, ebits, abits) \
-{\
- .reg_desc = {\
- .name = "LDO" #_id,\
- .ops = &da9052_ldo5_6_ops,\
- .type = REGULATOR_VOLTAGE,\
- .id = _id,\
- .n_voltages = (max - min) / step + 1, \
- .owner = THIS_MODULE,\
- },\
- .min_uV = (min) * 1000,\
- .max_uV = (max) * 1000,\
- .step_uV = (step) * 1000,\
- .volt_shift = (sbits),\
- .en_bit = (ebits),\
- .activate_bit = (abits),\
-}
-
#define DA9052_LDO(_id, step, min, max, sbits, ebits, abits) \
{\
.reg_desc = {\
- .name = "LDO" #_id,\
+ .name = #_id,\
.ops = &da9052_ldo_ops,\
.type = REGULATOR_VOLTAGE,\
- .id = _id,\
+ .id = DA9052_ID_##_id,\
.n_voltages = (max - min) / step + 1, \
.owner = THIS_MODULE,\
+ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .vsel_mask = (1 << (sbits)) - 1,\
+ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .enable_mask = 1 << (ebits),\
},\
.min_uV = (min) * 1000,\
.max_uV = (max) * 1000,\
.step_uV = (step) * 1000,\
- .volt_shift = (sbits),\
- .en_bit = (ebits),\
.activate_bit = (abits),\
}
#define DA9052_DCDC(_id, step, min, max, sbits, ebits, abits) \
{\
.reg_desc = {\
- .name = "BUCK" #_id,\
+ .name = #_id,\
.ops = &da9052_dcdc_ops,\
.type = REGULATOR_VOLTAGE,\
- .id = _id,\
+ .id = DA9052_ID_##_id,\
.n_voltages = (max - min) / step + 1, \
.owner = THIS_MODULE,\
+ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .vsel_mask = (1 << (sbits)) - 1,\
+ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .enable_mask = 1 << (ebits),\
},\
.min_uV = (min) * 1000,\
.max_uV = (max) * 1000,\
.step_uV = (step) * 1000,\
- .volt_shift = (sbits),\
- .en_bit = (ebits),\
- .activate_bit = (abits),\
-}
-
-#define DA9052_BUCKPERI(_id, step, min, max, sbits, ebits, abits) \
-{\
- .reg_desc = {\
- .name = "BUCK" #_id,\
- .ops = &da9052_buckperi_ops,\
- .type = REGULATOR_VOLTAGE,\
- .id = _id,\
- .n_voltages = (max - min) / step + 1, \
- .owner = THIS_MODULE,\
- },\
- .min_uV = (min) * 1000,\
- .max_uV = (max) * 1000,\
- .step_uV = (step) * 1000,\
- .volt_shift = (sbits),\
- .en_bit = (ebits),\
.activate_bit = (abits),\
}
static struct da9052_regulator_info da9052_regulator_info[] = {
- /* Buck1 - 4 */
- DA9052_DCDC(0, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
- DA9052_DCDC(1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
- DA9052_DCDC(2, 25, 925, 2500, 6, 6, DA9052_SUPPLY_VBMEMGO),
- DA9052_BUCKPERI(3, 50, 1800, 3600, 5, 6, 0),
- /* LD01 - LDO10 */
- DA9052_LDO(4, 50, 600, 1800, 5, 6, 0),
- DA9052_LDO5_6(5, 25, 600, 1800, 6, 6, DA9052_SUPPLY_VLDO2GO),
- DA9052_LDO5_6(6, 25, 1725, 3300, 6, 6, DA9052_SUPPLY_VLDO3GO),
- DA9052_LDO(7, 25, 1725, 3300, 6, 6, 0),
- DA9052_LDO(8, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(9, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(10, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(11, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(12, 50, 1250, 3650, 6, 6, 0),
- DA9052_LDO(13, 50, 1200, 3600, 6, 6, 0),
+ DA9052_DCDC(BUCK1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
+ DA9052_DCDC(BUCK2, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
+ DA9052_DCDC(BUCK3, 25, 925, 2500, 6, 6, DA9052_SUPPLY_VBMEMGO),
+ DA9052_DCDC(BUCK4, 50, 1800, 3600, 5, 6, 0),
+ DA9052_LDO(LDO1, 50, 600, 1800, 5, 6, 0),
+ DA9052_LDO(LDO2, 25, 600, 1800, 6, 6, DA9052_SUPPLY_VLDO2GO),
+ DA9052_LDO(LDO3, 25, 1725, 3300, 6, 6, DA9052_SUPPLY_VLDO3GO),
+ DA9052_LDO(LDO4, 25, 1725, 3300, 6, 6, 0),
+ DA9052_LDO(LDO5, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO6, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO7, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO8, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO9, 50, 1250, 3650, 6, 6, 0),
+ DA9052_LDO(LDO10, 50, 1200, 3600, 6, 6, 0),
};
static struct da9052_regulator_info da9053_regulator_info[] = {
- /* Buck1 - 4 */
- DA9052_DCDC(0, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
- DA9052_DCDC(1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
- DA9052_DCDC(2, 25, 925, 2500, 6, 6, DA9052_SUPPLY_VBMEMGO),
- DA9052_BUCKPERI(3, 25, 925, 2500, 6, 6, 0),
- /* LD01 - LDO10 */
- DA9052_LDO(4, 50, 600, 1800, 5, 6, 0),
- DA9052_LDO5_6(5, 25, 600, 1800, 6, 6, DA9052_SUPPLY_VLDO2GO),
- DA9052_LDO5_6(6, 25, 1725, 3300, 6, 6, DA9052_SUPPLY_VLDO3GO),
- DA9052_LDO(7, 25, 1725, 3300, 6, 6, 0),
- DA9052_LDO(8, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(9, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(10, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(11, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(12, 50, 1250, 3650, 6, 6, 0),
- DA9052_LDO(13, 50, 1200, 3600, 6, 6, 0),
+ DA9052_DCDC(BUCK1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
+ DA9052_DCDC(BUCK2, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
+ DA9052_DCDC(BUCK3, 25, 925, 2500, 6, 6, DA9052_SUPPLY_VBMEMGO),
+ DA9052_DCDC(BUCK4, 25, 925, 2500, 6, 6, 0),
+ DA9052_LDO(LDO1, 50, 600, 1800, 5, 6, 0),
+ DA9052_LDO(LDO2, 25, 600, 1800, 6, 6, DA9052_SUPPLY_VLDO2GO),
+ DA9052_LDO(LDO3, 25, 1725, 3300, 6, 6, DA9052_SUPPLY_VLDO3GO),
+ DA9052_LDO(LDO4, 25, 1725, 3300, 6, 6, 0),
+ DA9052_LDO(LDO5, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO6, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO7, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO8, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO9, 50, 1250, 3650, 6, 6, 0),
+ DA9052_LDO(LDO10, 50, 1200, 3600, 6, 6, 0),
};
static inline struct da9052_regulator_info *find_regulator_info(u8 chip_id,
@@ -533,10 +367,10 @@ static inline struct da9052_regulator_info *find_regulator_info(u8 chip_id,
static int __devinit da9052_regulator_probe(struct platform_device *pdev)
{
+ struct regulator_config config = { };
struct da9052_regulator *regulator;
struct da9052 *da9052;
struct da9052_pdata *pdata;
- int ret;
regulator = devm_kzalloc(&pdev->dev, sizeof(struct da9052_regulator),
GFP_KERNEL);
@@ -551,26 +385,49 @@ static int __devinit da9052_regulator_probe(struct platform_device *pdev)
pdev->id);
if (regulator->info == NULL) {
dev_err(&pdev->dev, "invalid regulator ID specified\n");
- ret = -EINVAL;
- goto err;
+ return -EINVAL;
}
+
+ config.dev = &pdev->dev;
+ config.driver_data = regulator;
+ config.regmap = da9052->regmap;
+ if (pdata && pdata->regulators) {
+ config.init_data = pdata->regulators[pdev->id];
+ } else {
+#ifdef CONFIG_OF
+ struct device_node *nproot = da9052->dev->of_node;
+ struct device_node *np;
+
+ if (!nproot)
+ return -ENODEV;
+
+ nproot = of_find_node_by_name(nproot, "regulators");
+ if (!nproot)
+ return -ENODEV;
+
+ for (np = of_get_next_child(nproot, NULL); np;
+ np = of_get_next_child(nproot, np)) {
+ if (!of_node_cmp(np->name,
+ regulator->info->reg_desc.name)) {
+ config.init_data = of_get_regulator_init_data(
+ &pdev->dev, np);
+ break;
+ }
+ }
+#endif
+ }
+
regulator->rdev = regulator_register(&regulator->info->reg_desc,
- &pdev->dev,
- pdata->regulators[pdev->id],
- regulator, NULL);
+ &config);
if (IS_ERR(regulator->rdev)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
regulator->info->reg_desc.name);
- ret = PTR_ERR(regulator->rdev);
- goto err;
+ return PTR_ERR(regulator->rdev);
}
platform_set_drvdata(pdev, regulator);
return 0;
-err:
- devm_kfree(&pdev->dev, regulator);
- return ret;
}
static int __devexit da9052_regulator_remove(struct platform_device *pdev)
@@ -578,8 +435,6 @@ static int __devexit da9052_regulator_remove(struct platform_device *pdev)
struct da9052_regulator *regulator = platform_get_drvdata(pdev);
regulator_unregister(regulator->rdev);
- devm_kfree(&pdev->dev, regulator);
-
return 0;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-28 00:16:50 +0000