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path: root/drivers/regulator/da9063-regulator.c
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Diffstat (limited to 'drivers/regulator/da9063-regulator.c')
-rw-r--r--drivers/regulator/da9063-regulator.c114
1 files changed, 41 insertions, 73 deletions
diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c
index 2aceb3b7afc2..e1d6c8f6d40b 100644
--- a/drivers/regulator/da9063-regulator.c
+++ b/drivers/regulator/da9063-regulator.c
@@ -66,7 +66,7 @@ struct da9063_regulator_data {
};
struct da9063_regulators_pdata {
- unsigned n_regulators;
+ unsigned int n_regulators;
struct da9063_regulator_data *regulator_data;
};
@@ -100,6 +100,7 @@ struct da9063_regulator_info {
.desc.vsel_mask = DA9063_V##regl_name##_MASK, \
.desc.linear_min_sel = DA9063_V##regl_name##_BIAS, \
.sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_LDO_SL), \
+ .suspend = BFIELD(DA9063_REG_##regl_name##_CONT, DA9063_LDO_CONF), \
.suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_LDO_SL), \
.suspend_vsel_reg = DA9063_REG_V##regl_name##_B
@@ -124,6 +125,7 @@ struct da9063_regulator_info {
.desc.vsel_mask = DA9063_VBUCK_MASK, \
.desc.linear_min_sel = DA9063_VBUCK_BIAS, \
.sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_BUCK_SL), \
+ .suspend = BFIELD(DA9063_REG_##regl_name##_CONT, DA9063_BUCK_CONF), \
.suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_BUCK_SL), \
.suspend_vsel_reg = DA9063_REG_V##regl_name##_B, \
.mode = BFIELD(DA9063_REG_##regl_name##_CFG, DA9063_BUCK_MODE_MASK)
@@ -131,7 +133,7 @@ struct da9063_regulator_info {
/* Defines asignment of regulators info table to chip model */
struct da9063_dev_model {
const struct da9063_regulator_info *regulator_info;
- unsigned n_regulators;
+ unsigned int n_regulators;
enum da9063_type type;
};
@@ -150,9 +152,9 @@ struct da9063_regulator {
/* Encapsulates all information for the regulators driver */
struct da9063_regulators {
- unsigned n_regulators;
+ unsigned int n_regulators;
/* Array size to be defined during init. Keep at end. */
- struct da9063_regulator regulator[0];
+ struct da9063_regulator regulator[];
};
/* BUCK modes for DA9063 */
@@ -165,38 +167,46 @@ enum {
/* Regulator operations */
-/* Current limits array (in uA) for BCORE1, BCORE2, BPRO.
- Entry indexes corresponds to register values. */
+/*
+ * Current limits array (in uA) for BCORE1, BCORE2, BPRO.
+ * Entry indexes corresponds to register values.
+ */
static const unsigned int da9063_buck_a_limits[] = {
500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000,
1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000
};
-/* Current limits array (in uA) for BMEM, BIO, BPERI.
- Entry indexes corresponds to register values. */
+/*
+ * Current limits array (in uA) for BMEM, BIO, BPERI.
+ * Entry indexes corresponds to register values.
+ */
static const unsigned int da9063_buck_b_limits[] = {
1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000,
2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000
};
-/* Current limits array (in uA) for merged BCORE1 and BCORE2.
- Entry indexes corresponds to register values. */
+/*
+ * Current limits array (in uA) for merged BCORE1 and BCORE2.
+ * Entry indexes corresponds to register values.
+ */
static const unsigned int da9063_bcores_merged_limits[] = {
1000000, 1200000, 1400000, 1600000, 1800000, 2000000, 2200000, 2400000,
2600000, 2800000, 3000000, 3200000, 3400000, 3600000, 3800000, 4000000
};
-/* Current limits array (in uA) for merged BMEM and BIO.
- Entry indexes corresponds to register values. */
+/*
+ * Current limits array (in uA) for merged BMEM and BIO.
+ * Entry indexes corresponds to register values.
+ */
static const unsigned int da9063_bmem_bio_merged_limits[] = {
3000000, 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000,
4600000, 4800000, 5000000, 5200000, 5400000, 5600000, 5800000, 6000000
};
-static int da9063_buck_set_mode(struct regulator_dev *rdev, unsigned mode)
+static int da9063_buck_set_mode(struct regulator_dev *rdev, unsigned int mode)
{
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
- unsigned val;
+ unsigned int val;
switch (mode) {
case REGULATOR_MODE_FAST:
@@ -221,10 +231,9 @@ static int da9063_buck_set_mode(struct regulator_dev *rdev, unsigned mode)
* There are 3 modes to map to: FAST, NORMAL, and STANDBY.
*/
-static unsigned da9063_buck_get_mode(struct regulator_dev *rdev)
+static unsigned int da9063_buck_get_mode(struct regulator_dev *rdev)
{
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
- struct regmap_field *field;
unsigned int val;
int ret;
@@ -245,18 +254,7 @@ static unsigned da9063_buck_get_mode(struct regulator_dev *rdev)
return REGULATOR_MODE_NORMAL;
}
- /* Detect current regulator state */
- ret = regmap_field_read(regl->suspend, &val);
- if (ret < 0)
- return 0;
-
- /* Read regulator mode from proper register, depending on state */
- if (val)
- field = regl->suspend_sleep;
- else
- field = regl->sleep;
-
- ret = regmap_field_read(field, &val);
+ ret = regmap_field_read(regl->sleep, &val);
if (ret < 0)
return 0;
@@ -271,10 +269,10 @@ static unsigned da9063_buck_get_mode(struct regulator_dev *rdev)
* There are 2 modes to map to: NORMAL and STANDBY (sleep) for each state.
*/
-static int da9063_ldo_set_mode(struct regulator_dev *rdev, unsigned mode)
+static int da9063_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode)
{
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
- unsigned val;
+ unsigned int val;
switch (mode) {
case REGULATOR_MODE_NORMAL:
@@ -290,24 +288,12 @@ static int da9063_ldo_set_mode(struct regulator_dev *rdev, unsigned mode)
return regmap_field_write(regl->sleep, val);
}
-static unsigned da9063_ldo_get_mode(struct regulator_dev *rdev)
+static unsigned int da9063_ldo_get_mode(struct regulator_dev *rdev)
{
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
- struct regmap_field *field;
int ret, val;
- /* Detect current regulator state */
- ret = regmap_field_read(regl->suspend, &val);
- if (ret < 0)
- return 0;
-
- /* Read regulator mode from proper register, depending on state */
- if (val)
- field = regl->suspend_sleep;
- else
- field = regl->sleep;
-
- ret = regmap_field_read(field, &val);
+ ret = regmap_field_read(regl->sleep, &val);
if (ret < 0)
return 0;
@@ -383,7 +369,8 @@ static int da9063_suspend_disable(struct regulator_dev *rdev)
return regmap_field_write(regl->suspend, 0);
}
-static int da9063_buck_set_suspend_mode(struct regulator_dev *rdev, unsigned mode)
+static int da9063_buck_set_suspend_mode(struct regulator_dev *rdev,
+ unsigned int mode)
{
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
int val;
@@ -405,10 +392,11 @@ static int da9063_buck_set_suspend_mode(struct regulator_dev *rdev, unsigned mod
return regmap_field_write(regl->mode, val);
}
-static int da9063_ldo_set_suspend_mode(struct regulator_dev *rdev, unsigned mode)
+static int da9063_ldo_set_suspend_mode(struct regulator_dev *rdev,
+ unsigned int mode)
{
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
- unsigned val;
+ unsigned int val;
switch (mode) {
case REGULATOR_MODE_NORMAL:
@@ -465,42 +453,36 @@ static const struct da9063_regulator_info da9063_regulator_info[] = {
da9063_buck_a_limits,
DA9063_REG_BUCK_ILIM_C, DA9063_BCORE1_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BCORE1),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBCORE1_SEL),
},
{
DA9063_BUCK(DA9063, BCORE2, 300, 10, 1570,
da9063_buck_a_limits,
DA9063_REG_BUCK_ILIM_C, DA9063_BCORE2_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BCORE2),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBCORE2_SEL),
},
{
DA9063_BUCK(DA9063, BPRO, 530, 10, 1800,
da9063_buck_a_limits,
DA9063_REG_BUCK_ILIM_B, DA9063_BPRO_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BPRO),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBPRO_SEL),
},
{
DA9063_BUCK(DA9063, BMEM, 800, 20, 3340,
da9063_buck_b_limits,
DA9063_REG_BUCK_ILIM_A, DA9063_BMEM_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BMEM),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBMEM_SEL),
},
{
DA9063_BUCK(DA9063, BIO, 800, 20, 3340,
da9063_buck_b_limits,
DA9063_REG_BUCK_ILIM_A, DA9063_BIO_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BIO),
- .suspend = BFIELD(DA9063_REG_DVC_2, DA9063_VBIO_SEL),
},
{
DA9063_BUCK(DA9063, BPERI, 800, 20, 3340,
da9063_buck_b_limits,
DA9063_REG_BUCK_ILIM_B, DA9063_BPERI_ILIM_MASK),
DA9063_BUCK_COMMON_FIELDS(BPERI),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBPERI_SEL),
},
{
DA9063_BUCK(DA9063, BCORES_MERGED, 300, 10, 1570,
@@ -508,7 +490,6 @@ static const struct da9063_regulator_info da9063_regulator_info[] = {
DA9063_REG_BUCK_ILIM_C, DA9063_BCORE1_ILIM_MASK),
/* BCORES_MERGED uses the same register fields as BCORE1 */
DA9063_BUCK_COMMON_FIELDS(BCORE1),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBCORE1_SEL),
},
{
DA9063_BUCK(DA9063, BMEM_BIO_MERGED, 800, 20, 3340,
@@ -516,21 +497,17 @@ static const struct da9063_regulator_info da9063_regulator_info[] = {
DA9063_REG_BUCK_ILIM_A, DA9063_BMEM_ILIM_MASK),
/* BMEM_BIO_MERGED uses the same register fields as BMEM */
DA9063_BUCK_COMMON_FIELDS(BMEM),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBMEM_SEL),
},
{
DA9063_LDO(DA9063, LDO3, 900, 20, 3440),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VLDO3_SEL),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO3_LIM),
},
{
DA9063_LDO(DA9063, LDO7, 900, 50, 3600),
- .suspend = BFIELD(DA9063_REG_LDO7_CONT, DA9063_VLDO7_SEL),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO7_LIM),
},
{
DA9063_LDO(DA9063, LDO8, 900, 50, 3600),
- .suspend = BFIELD(DA9063_REG_LDO8_CONT, DA9063_VLDO8_SEL),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO8_LIM),
},
{
@@ -539,36 +516,29 @@ static const struct da9063_regulator_info da9063_regulator_info[] = {
},
{
DA9063_LDO(DA9063, LDO11, 900, 50, 3600),
- .suspend = BFIELD(DA9063_REG_LDO11_CONT, DA9063_VLDO11_SEL),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO11_LIM),
},
/* The following LDOs are present only on DA9063, not on DA9063L */
{
DA9063_LDO(DA9063, LDO1, 600, 20, 1860),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VLDO1_SEL),
},
{
DA9063_LDO(DA9063, LDO2, 600, 20, 1860),
- .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VLDO2_SEL),
},
{
DA9063_LDO(DA9063, LDO4, 900, 20, 3440),
- .suspend = BFIELD(DA9063_REG_DVC_2, DA9063_VLDO4_SEL),
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO4_LIM),
},
{
DA9063_LDO(DA9063, LDO5, 900, 50, 3600),
- .suspend = BFIELD(DA9063_REG_LDO5_CONT, DA9063_VLDO5_SEL),
},
{
DA9063_LDO(DA9063, LDO6, 900, 50, 3600),
- .suspend = BFIELD(DA9063_REG_LDO6_CONT, DA9063_VLDO6_SEL),
},
{
DA9063_LDO(DA9063, LDO10, 900, 50, 3600),
- .suspend = BFIELD(DA9063_REG_LDO10_CONT, DA9063_VLDO10_SEL),
},
};
@@ -593,7 +563,7 @@ static irqreturn_t da9063_ldo_lim_event(int irq, void *data)
struct da9063_regulators *regulators = data;
struct da9063 *hw = regulators->regulator[0].hw;
struct da9063_regulator *regl;
- int bits, i , ret;
+ int bits, i, ret;
ret = regmap_read(hw->regmap, DA9063_REG_STATUS_D, &bits);
if (ret < 0)
@@ -605,10 +575,10 @@ static irqreturn_t da9063_ldo_lim_event(int irq, void *data)
continue;
if (BIT(regl->info->oc_event.lsb) & bits) {
- regulator_lock(regl->rdev);
+ regulator_lock(regl->rdev);
regulator_notifier_call_chain(regl->rdev,
REGULATOR_EVENT_OVER_CURRENT, NULL);
- regulator_unlock(regl->rdev);
+ regulator_unlock(regl->rdev);
}
}
@@ -833,7 +803,7 @@ static int da9063_regulator_probe(struct platform_device *pdev)
if (regl->info->suspend_sleep.reg) {
regl->suspend_sleep = devm_regmap_field_alloc(&pdev->dev,
- da9063->regmap, regl->info->suspend_sleep);
+ da9063->regmap, regl->info->suspend_sleep);
if (IS_ERR(regl->suspend_sleep))
return PTR_ERR(regl->suspend_sleep);
}
@@ -867,12 +837,10 @@ static int da9063_regulator_probe(struct platform_device *pdev)
NULL, da9063_ldo_lim_event,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"LDO_LIM", regulators);
- if (ret) {
+ if (ret)
dev_err(&pdev->dev, "Failed to request LDO_LIM IRQ.\n");
- return ret;
- }
- return 0;
+ return ret;
}
static struct platform_driver da9063_regulator_driver = {