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path: root/drivers/regulator/tps6586x-regulator.c
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Diffstat (limited to 'drivers/regulator/tps6586x-regulator.c')
-rw-r--r--drivers/regulator/tps6586x-regulator.c108
1 files changed, 37 insertions, 71 deletions
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index cfc1f16f7771..c0a214575380 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -75,8 +75,7 @@ static inline struct device *to_tps6586x_dev(struct regulator_dev *rdev)
return rdev_get_dev(rdev)->parent->parent;
}
-static int tps6586x_ldo_list_voltage(struct regulator_dev *rdev,
- unsigned selector)
+static int tps6586x_list_voltage(struct regulator_dev *rdev, unsigned selector)
{
struct tps6586x_regulator *info = rdev_get_drvdata(rdev);
int rid = rdev_get_id(rdev);
@@ -89,47 +88,34 @@ static int tps6586x_ldo_list_voltage(struct regulator_dev *rdev,
}
-static int __tps6586x_ldo_set_voltage(struct device *parent,
- struct tps6586x_regulator *ri,
- int min_uV, int max_uV,
- unsigned *selector)
+static int tps6586x_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
- int val, uV;
+ struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
+ struct device *parent = to_tps6586x_dev(rdev);
+ int ret, val, rid = rdev_get_id(rdev);
uint8_t mask;
- for (val = 0; val < ri->desc.n_voltages; val++) {
- uV = ri->voltages[val] * 1000;
-
- /* LDO0 has minimal voltage 1.2 rather than 1.25 */
- if (ri->desc.id == TPS6586X_ID_LDO_0 && val == 0)
- uV -= 50 * 1000;
-
- /* use the first in-range value */
- if (min_uV <= uV && uV <= max_uV) {
-
- *selector = val;
+ val = selector << ri->volt_shift;
+ mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift;
- val <<= ri->volt_shift;
- mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift;
+ ret = tps6586x_update(parent, ri->volt_reg, val, mask);
+ if (ret)
+ return ret;
- return tps6586x_update(parent, ri->volt_reg, val, mask);
- }
+ /* Update go bit for DVM regulators */
+ switch (rid) {
+ case TPS6586X_ID_LDO_2:
+ case TPS6586X_ID_LDO_4:
+ case TPS6586X_ID_SM_0:
+ case TPS6586X_ID_SM_1:
+ ret = tps6586x_set_bits(parent, ri->go_reg, 1 << ri->go_bit);
+ break;
}
-
- return -EINVAL;
-}
-
-static int tps6586x_ldo_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
-
- return __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV,
- selector);
+ return ret;
}
-static int tps6586x_ldo_get_voltage(struct regulator_dev *rdev)
+static int tps6586x_get_voltage_sel(struct regulator_dev *rdev)
{
struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
struct device *parent = to_tps6586x_dev(rdev);
@@ -146,22 +132,7 @@ static int tps6586x_ldo_get_voltage(struct regulator_dev *rdev)
if (val >= ri->desc.n_voltages)
BUG();
- return ri->voltages[val] * 1000;
-}
-
-static int tps6586x_dvm_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
- int ret;
-
- ret = __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV,
- selector);
- if (ret)
- return ret;
-
- return tps6586x_set_bits(parent, ri->go_reg, 1 << ri->go_bit);
+ return val;
}
static int tps6586x_regulator_enable(struct regulator_dev *rdev)
@@ -196,20 +167,10 @@ static int tps6586x_regulator_is_enabled(struct regulator_dev *rdev)
return !!(reg_val & (1 << ri->enable_bit[0]));
}
-static struct regulator_ops tps6586x_regulator_ldo_ops = {
- .list_voltage = tps6586x_ldo_list_voltage,
- .get_voltage = tps6586x_ldo_get_voltage,
- .set_voltage = tps6586x_ldo_set_voltage,
-
- .is_enabled = tps6586x_regulator_is_enabled,
- .enable = tps6586x_regulator_enable,
- .disable = tps6586x_regulator_disable,
-};
-
-static struct regulator_ops tps6586x_regulator_dvm_ops = {
- .list_voltage = tps6586x_ldo_list_voltage,
- .get_voltage = tps6586x_ldo_get_voltage,
- .set_voltage = tps6586x_dvm_set_voltage,
+static struct regulator_ops tps6586x_regulator_ops = {
+ .list_voltage = tps6586x_list_voltage,
+ .get_voltage_sel = tps6586x_get_voltage_sel,
+ .set_voltage_sel = tps6586x_set_voltage_sel,
.is_enabled = tps6586x_regulator_is_enabled,
.enable = tps6586x_regulator_enable,
@@ -241,11 +202,11 @@ static int tps6586x_dvm_voltages[] = {
1325, 1350, 1375, 1400, 1425, 1450, 1475, 1500,
};
-#define TPS6586X_REGULATOR(_id, vdata, _ops, vreg, shift, nbits, \
+#define TPS6586X_REGULATOR(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
.desc = { \
.name = "REG-" #_id, \
- .ops = &tps6586x_regulator_##_ops, \
+ .ops = &tps6586x_regulator_ops, \
.type = REGULATOR_VOLTAGE, \
.id = TPS6586X_ID_##_id, \
.n_voltages = ARRAY_SIZE(tps6586x_##vdata##_voltages), \
@@ -267,14 +228,14 @@ static int tps6586x_dvm_voltages[] = {
#define TPS6586X_LDO(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
{ \
- TPS6586X_REGULATOR(_id, vdata, ldo_ops, vreg, shift, nbits, \
+ TPS6586X_REGULATOR(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
}
#define TPS6586X_DVM(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
{ \
- TPS6586X_REGULATOR(_id, vdata, dvm_ops, vreg, shift, nbits, \
+ TPS6586X_REGULATOR(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \
}
@@ -384,6 +345,7 @@ static inline struct tps6586x_regulator *find_regulator_info(int id)
static int __devinit tps6586x_regulator_probe(struct platform_device *pdev)
{
struct tps6586x_regulator *ri = NULL;
+ struct regulator_config config = { };
struct regulator_dev *rdev;
int id = pdev->id;
int err;
@@ -400,8 +362,12 @@ static int __devinit tps6586x_regulator_probe(struct platform_device *pdev)
if (err)
return err;
- rdev = regulator_register(&ri->desc, &pdev->dev,
- pdev->dev.platform_data, ri, NULL);
+ config.dev = &pdev->dev;
+ config.of_node = pdev->dev.of_node;
+ config.init_data = pdev->dev.platform_data;
+ config.driver_data = ri;
+
+ rdev = regulator_register(&ri->desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
ri->desc.name);