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regulator: act8865: Configure register access for act8600 

This can be used to expose the act8600 registers via debugfs.

Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Maarten ter Huurne 2016-03-17 15:05:08 +01:00 committed by Mark Brown
parent 005e46857e
commit c5c9c2df4d
1 changed files with 73 additions and 1 deletions
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74
drivers/regulator/act8865-regulator.c
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@ -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,
@ -418,6 +486,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
struct device *dev = &client->dev;
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;
@ -444,12 +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;
@ -461,6 +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;
@ -481,7 +553,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
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(dev, "Failed to allocate register map: %d\n", ret);