diff options
author | Maarten ter Huurne <maarten@treewalker.org> | 2016-03-17 17:05:08 +0300 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2016-03-28 22:34:20 +0300 |
commit | c5c9c2df4d97e20cd4e05c848dc8ceff926d162f (patch) | |
tree | 356150f4f4d0d12ab9c50d29ece0891ccfb04789 /drivers | |
parent | 005e46857ed598bcf76035366cd2841e3b7f8c54 (diff) | |
download | linux-c5c9c2df4d97e20cd4e05c848dc8ceff926d162f.tar.xz |
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/regulator/act8865-regulator.c | 74 |
1 files changed, 73 insertions, 1 deletions
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c index 527926b045d5..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, @@ -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); |