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path: root/drivers/regulator/act8865-regulator.c
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Diffstat (limited to 'drivers/regulator/act8865-regulator.c')
-rw-r--r--drivers/regulator/act8865-regulator.c113
1 files changed, 87 insertions, 26 deletions
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
index 000d566e32a4..a1cd0d4f8257 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -139,6 +139,74 @@ struct act8865 {
int off_mask;
};
+static const struct regmap_range act8600_reg_ranges[] = {
+ regmap_reg_range(0x00, 0x01),
+ regmap_reg_range(0x10, 0x10),
+ regmap_reg_range(0x12, 0x12),
+ regmap_reg_range(0x20, 0x20),
+ regmap_reg_range(0x22, 0x22),
+ regmap_reg_range(0x30, 0x30),
+ regmap_reg_range(0x32, 0x32),
+ regmap_reg_range(0x40, 0x41),
+ regmap_reg_range(0x50, 0x51),
+ regmap_reg_range(0x60, 0x61),
+ regmap_reg_range(0x70, 0x71),
+ regmap_reg_range(0x80, 0x81),
+ regmap_reg_range(0x91, 0x91),
+ regmap_reg_range(0xA1, 0xA1),
+ regmap_reg_range(0xA8, 0xAA),
+ regmap_reg_range(0xB0, 0xB0),
+ regmap_reg_range(0xB2, 0xB2),
+ regmap_reg_range(0xC1, 0xC1),
+};
+
+static const struct regmap_range act8600_reg_ro_ranges[] = {
+ regmap_reg_range(0xAA, 0xAA),
+ regmap_reg_range(0xC1, 0xC1),
+};
+
+static const struct regmap_range act8600_reg_volatile_ranges[] = {
+ regmap_reg_range(0x00, 0x01),
+ regmap_reg_range(0x12, 0x12),
+ regmap_reg_range(0x22, 0x22),
+ regmap_reg_range(0x32, 0x32),
+ regmap_reg_range(0x41, 0x41),
+ regmap_reg_range(0x51, 0x51),
+ regmap_reg_range(0x61, 0x61),
+ regmap_reg_range(0x71, 0x71),
+ regmap_reg_range(0x81, 0x81),
+ regmap_reg_range(0xA8, 0xA8),
+ regmap_reg_range(0xAA, 0xAA),
+ regmap_reg_range(0xB0, 0xB0),
+ regmap_reg_range(0xC1, 0xC1),
+};
+
+static const struct regmap_access_table act8600_write_ranges_table = {
+ .yes_ranges = act8600_reg_ranges,
+ .n_yes_ranges = ARRAY_SIZE(act8600_reg_ranges),
+ .no_ranges = act8600_reg_ro_ranges,
+ .n_no_ranges = ARRAY_SIZE(act8600_reg_ro_ranges),
+};
+
+static const struct regmap_access_table act8600_read_ranges_table = {
+ .yes_ranges = act8600_reg_ranges,
+ .n_yes_ranges = ARRAY_SIZE(act8600_reg_ranges),
+};
+
+static const struct regmap_access_table act8600_volatile_ranges_table = {
+ .yes_ranges = act8600_reg_volatile_ranges,
+ .n_yes_ranges = ARRAY_SIZE(act8600_reg_volatile_ranges),
+};
+
+static const struct regmap_config act8600_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xFF,
+ .wr_table = &act8600_write_ranges_table,
+ .rd_table = &act8600_read_ranges_table,
+ .volatile_table = &act8600_volatile_ranges_table,
+};
+
static const struct regmap_config act8865_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
@@ -319,7 +387,6 @@ static struct of_regulator_match act8600_matches[] = {
};
static int act8865_pdata_from_dt(struct device *dev,
- struct device_node **of_node,
struct act8865_platform_data *pdata,
unsigned long type)
{
@@ -370,7 +437,7 @@ static int act8865_pdata_from_dt(struct device *dev,
regulator->id = i;
regulator->name = matches[i].name;
regulator->init_data = matches[i].init_data;
- of_node[i] = matches[i].of_node;
+ regulator->of_node = matches[i].of_node;
regulator++;
}
@@ -378,7 +445,6 @@ static int act8865_pdata_from_dt(struct device *dev,
}
#else
static inline int act8865_pdata_from_dt(struct device *dev,
- struct device_node **of_node,
struct act8865_platform_data *pdata,
unsigned long type)
{
@@ -386,8 +452,8 @@ static inline int act8865_pdata_from_dt(struct device *dev,
}
#endif
-static struct regulator_init_data
-*act8865_get_init_data(int id, struct act8865_platform_data *pdata)
+static struct act8865_regulator_data *act8865_get_regulator_data(
+ int id, struct act8865_platform_data *pdata)
{
int i;
@@ -396,7 +462,7 @@ static struct regulator_init_data
for (i = 0; i < pdata->num_regulators; i++) {
if (pdata->regulators[i].id == id)
- return pdata->regulators[i].init_data;
+ return &pdata->regulators[i];
}
return NULL;
@@ -418,9 +484,9 @@ static int act8865_pmic_probe(struct i2c_client *client,
const struct regulator_desc *regulators;
struct act8865_platform_data pdata_of, *pdata;
struct device *dev = &client->dev;
- struct device_node **of_node;
int i, ret, num_regulators;
struct act8865 *act8865;
+ const struct regmap_config *regmap_config;
unsigned long type;
int off_reg, off_mask;
int voltage_select = 0;
@@ -447,12 +513,14 @@ static int act8865_pmic_probe(struct i2c_client *client,
case ACT8600:
regulators = act8600_regulators;
num_regulators = ARRAY_SIZE(act8600_regulators);
+ regmap_config = &act8600_regmap_config;
off_reg = -1;
off_mask = -1;
break;
case ACT8846:
regulators = act8846_regulators;
num_regulators = ARRAY_SIZE(act8846_regulators);
+ regmap_config = &act8865_regmap_config;
off_reg = ACT8846_GLB_OFF_CTRL;
off_mask = ACT8846_OFF_SYSMASK;
break;
@@ -464,6 +532,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
regulators = act8865_regulators;
num_regulators = ARRAY_SIZE(act8865_regulators);
}
+ regmap_config = &act8865_regmap_config;
off_reg = ACT8865_SYS_CTRL;
off_mask = ACT8865_MSTROFF;
break;
@@ -472,34 +541,22 @@ static int act8865_pmic_probe(struct i2c_client *client,
return -EINVAL;
}
- of_node = devm_kzalloc(dev, sizeof(struct device_node *) *
- num_regulators, GFP_KERNEL);
- if (!of_node)
- return -ENOMEM;
-
if (dev->of_node && !pdata) {
- ret = act8865_pdata_from_dt(dev, of_node, &pdata_of, type);
+ ret = act8865_pdata_from_dt(dev, &pdata_of, type);
if (ret < 0)
return ret;
pdata = &pdata_of;
}
- if (pdata->num_regulators > num_regulators) {
- dev_err(dev, "too many regulators: %d\n",
- pdata->num_regulators);
- return -EINVAL;
- }
-
act8865 = devm_kzalloc(dev, sizeof(struct act8865), GFP_KERNEL);
if (!act8865)
return -ENOMEM;
- act8865->regmap = devm_regmap_init_i2c(client, &act8865_regmap_config);
+ act8865->regmap = devm_regmap_init_i2c(client, regmap_config);
if (IS_ERR(act8865->regmap)) {
ret = PTR_ERR(act8865->regmap);
- dev_err(&client->dev, "Failed to allocate register map: %d\n",
- ret);
+ dev_err(dev, "Failed to allocate register map: %d\n", ret);
return ret;
}
@@ -518,15 +575,20 @@ static int act8865_pmic_probe(struct i2c_client *client,
for (i = 0; i < num_regulators; i++) {
const struct regulator_desc *desc = &regulators[i];
struct regulator_config config = { };
+ struct act8865_regulator_data *rdata;
struct regulator_dev *rdev;
config.dev = dev;
- config.init_data = act8865_get_init_data(desc->id, pdata);
- config.of_node = of_node[i];
config.driver_data = act8865;
config.regmap = act8865->regmap;
- rdev = devm_regulator_register(&client->dev, desc, &config);
+ rdata = act8865_get_regulator_data(desc->id, pdata);
+ if (rdata) {
+ config.init_data = rdata->init_data;
+ config.of_node = rdata->of_node;
+ }
+
+ rdev = devm_regulator_register(dev, desc, &config);
if (IS_ERR(rdev)) {
dev_err(dev, "failed to register %s\n", desc->name);
return PTR_ERR(rdev);
@@ -534,7 +596,6 @@ static int act8865_pmic_probe(struct i2c_client *client,
}
i2c_set_clientdata(client, act8865);
- devm_kfree(dev, of_node);
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-25 05:43:44 +0300