diff options
| author | Michał Mirosław <mirq-linux@rere.qmqm.pl> | 2019-07-23 19:32:07 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-07-23 20:10:49 +0300 |
| commit | a5f888c53db575e3b04e7b4597699da67b9cd2eb (patch) | |
| tree | 60c88a0b86dfc547e8c223da152191515d25eddf /drivers/regulator | |
| parent | cd81a91d04b8b869bbbf62ae80bd5e8c0e7a2b93 (diff) | |
| download | linux-a5f888c53db575e3b04e7b4597699da67b9cd2eb.tar.xz | |
regulator: act8865: support regulator-pull-down property
AC8865 has internal 1.5k pull-down resistor that can be enabled when LDO
is shut down.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Link: https://lore.kernel.org/r/d7338f0dfcac63eb958a6b5e42e2d540b3d3f54a.1563898936.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/act8865-regulator.c | 41 |
1 files changed, 31 insertions, 10 deletions
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c index 672ed56448ca..b515e0785d67 100644 --- a/drivers/regulator/act8865-regulator.c +++ b/drivers/regulator/act8865-regulator.c @@ -113,6 +113,8 @@ * Field Definitions. */ #define ACT8865_ENA 0x80 /* ON - [7] */ +#define ACT8865_DIS 0x40 /* DIS - [6] */ + #define ACT8865_VSEL_MASK 0x3F /* VSET - [5:0] */ @@ -233,13 +235,24 @@ static const struct regulator_ops act8865_ops = { .is_enabled = regulator_is_enabled_regmap, }; +static const struct regulator_ops act8865_ldo_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_pull_down = regulator_set_pull_down_regmap, +}; + static const struct regulator_ops act8865_fixed_ldo_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, }; -#define ACT88xx_REG(_name, _family, _id, _vsel_reg, _supply) \ +#define ACT88xx_REG_(_name, _family, _id, _vsel_reg, _supply, _ops) \ [_family##_ID_##_id] = { \ .name = _name, \ .of_match = of_match_ptr(_name), \ @@ -247,7 +260,7 @@ static const struct regulator_ops act8865_fixed_ldo_ops = { .supply_name = _supply, \ .id = _family##_ID_##_id, \ .type = REGULATOR_VOLTAGE, \ - .ops = &act8865_ops, \ + .ops = _ops, \ .n_voltages = ACT8865_VOLTAGE_NUM, \ .linear_ranges = act8865_voltage_ranges, \ .n_linear_ranges = ARRAY_SIZE(act8865_voltage_ranges), \ @@ -255,9 +268,17 @@ static const struct regulator_ops act8865_fixed_ldo_ops = { .vsel_mask = ACT8865_VSEL_MASK, \ .enable_reg = _family##_##_id##_CTRL, \ .enable_mask = ACT8865_ENA, \ + .pull_down_reg = _family##_##_id##_CTRL, \ + .pull_down_mask = ACT8865_DIS, \ .owner = THIS_MODULE, \ } +#define ACT88xx_REG(_name, _family, _id, _vsel_reg, _supply) \ + ACT88xx_REG_(_name, _family, _id, _vsel_reg, _supply, &act8865_ops) + +#define ACT88xx_LDO(_name, _family, _id, _vsel_reg, _supply) \ + ACT88xx_REG_(_name, _family, _id, _vsel_reg, _supply, &act8865_ldo_ops) + static const struct regulator_desc act8600_regulators[] = { ACT88xx_REG("DCDC1", ACT8600, DCDC1, VSET, "vp1"), ACT88xx_REG("DCDC2", ACT8600, DCDC2, VSET, "vp2"), @@ -329,20 +350,20 @@ static const struct regulator_desc act8865_regulators[] = { ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET1, "vp1"), ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET1, "vp2"), ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET1, "vp3"), - ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), - ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), - ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), - ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), + ACT88xx_LDO("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), + ACT88xx_LDO("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), + ACT88xx_LDO("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), + ACT88xx_LDO("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), }; static const struct regulator_desc act8865_alt_regulators[] = { ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET2, "vp1"), ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET2, "vp2"), ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET2, "vp3"), - ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), - ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), - ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), - ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), + ACT88xx_LDO("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), + ACT88xx_LDO("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), + ACT88xx_LDO("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), + ACT88xx_LDO("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), }; #ifdef CONFIG_OF |