diff options
Diffstat (limited to 'drivers/regulator/tps65218-regulator.c')
| -rw-r--r-- | drivers/regulator/tps65218-regulator.c | 76 |
1 files changed, 65 insertions, 11 deletions
diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c index a5e5634eeb9e..d1e631d64a20 100644 --- a/drivers/regulator/tps65218-regulator.c +++ b/drivers/regulator/tps65218-regulator.c @@ -31,7 +31,7 @@ enum tps65218_regulators { DCDC1, DCDC2, DCDC3, DCDC4, DCDC5, DCDC6, LDO1, LS3 }; #define TPS65218_REGULATOR(_name, _id, _type, _ops, _n, _vr, _vm, _er, _em, \ - _cr, _cm, _lr, _nlr, _delay, _fuv) \ + _cr, _cm, _lr, _nlr, _delay, _fuv, _sr, _sm) \ { \ .name = _name, \ .id = _id, \ @@ -49,7 +49,9 @@ enum tps65218_regulators { DCDC1, DCDC2, DCDC3, DCDC4, .linear_ranges = _lr, \ .n_linear_ranges = _nlr, \ .ramp_delay = _delay, \ - .fixed_uV = _fuv \ + .fixed_uV = _fuv, \ + .bypass_reg = _sr, \ + .bypass_mask = _sm, \ } \ #define TPS65218_INFO(_id, _nm, _min, _max) \ @@ -157,6 +159,40 @@ static int tps65218_pmic_disable(struct regulator_dev *dev) dev->desc->enable_mask, TPS65218_PROTECT_L1); } +static int tps65218_pmic_set_suspend_enable(struct regulator_dev *dev) +{ + struct tps65218 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + + if (rid < TPS65218_DCDC_1 || rid > TPS65218_LDO_1) + return -EINVAL; + + return tps65218_clear_bits(tps, dev->desc->bypass_reg, + dev->desc->bypass_mask, + TPS65218_PROTECT_L1); +} + +static int tps65218_pmic_set_suspend_disable(struct regulator_dev *dev) +{ + struct tps65218 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + + if (rid < TPS65218_DCDC_1 || rid > TPS65218_LDO_1) + return -EINVAL; + + if (!tps->info[rid]->strobe) { + if (rid == TPS65218_DCDC_3) + tps->info[rid]->strobe = 3; + else + return -EINVAL; + } + + return tps65218_set_bits(tps, dev->desc->bypass_reg, + dev->desc->bypass_mask, + tps->info[rid]->strobe, + TPS65218_PROTECT_L1); +} + /* Operations permitted on DCDC1, DCDC2 */ static struct regulator_ops tps65218_dcdc12_ops = { .is_enabled = regulator_is_enabled_regmap, @@ -167,6 +203,8 @@ static struct regulator_ops tps65218_dcdc12_ops = { .list_voltage = regulator_list_voltage_linear_range, .map_voltage = regulator_map_voltage_linear_range, .set_voltage_time_sel = regulator_set_voltage_time_sel, + .set_suspend_enable = tps65218_pmic_set_suspend_enable, + .set_suspend_disable = tps65218_pmic_set_suspend_disable, }; /* Operations permitted on DCDC3, DCDC4 and LDO1 */ @@ -178,6 +216,8 @@ static struct regulator_ops tps65218_ldo1_dcdc34_ops = { .set_voltage_sel = tps65218_pmic_set_voltage_sel, .list_voltage = regulator_list_voltage_linear_range, .map_voltage = regulator_map_voltage_linear_range, + .set_suspend_enable = tps65218_pmic_set_suspend_enable, + .set_suspend_disable = tps65218_pmic_set_suspend_disable, }; static const int ls3_currents[] = { 100, 200, 500, 1000 }; @@ -247,6 +287,8 @@ static struct regulator_ops tps65218_dcdc56_pmic_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = tps65218_pmic_enable, .disable = tps65218_pmic_disable, + .set_suspend_enable = tps65218_pmic_set_suspend_enable, + .set_suspend_disable = tps65218_pmic_set_suspend_disable, }; static const struct regulator_desc regulators[] = { @@ -254,42 +296,47 @@ static const struct regulator_desc regulators[] = { tps65218_dcdc12_ops, 64, TPS65218_REG_CONTROL_DCDC1, TPS65218_CONTROL_DCDC1_MASK, TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC1_EN, 0, 0, dcdc1_dcdc2_ranges, - 2, 4000, 0), + 2, 4000, 0, TPS65218_REG_SEQ3, + TPS65218_SEQ3_DC1_SEQ_MASK), TPS65218_REGULATOR("DCDC2", TPS65218_DCDC_2, REGULATOR_VOLTAGE, tps65218_dcdc12_ops, 64, TPS65218_REG_CONTROL_DCDC2, TPS65218_CONTROL_DCDC2_MASK, TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC2_EN, 0, 0, dcdc1_dcdc2_ranges, - 2, 4000, 0), + 2, 4000, 0, TPS65218_REG_SEQ3, + TPS65218_SEQ3_DC2_SEQ_MASK), TPS65218_REGULATOR("DCDC3", TPS65218_DCDC_3, REGULATOR_VOLTAGE, tps65218_ldo1_dcdc34_ops, 64, TPS65218_REG_CONTROL_DCDC3, TPS65218_CONTROL_DCDC3_MASK, TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC3_EN, 0, 0, ldo1_dcdc3_ranges, 2, - 0, 0), + 0, 0, TPS65218_REG_SEQ4, TPS65218_SEQ4_DC3_SEQ_MASK), TPS65218_REGULATOR("DCDC4", TPS65218_DCDC_4, REGULATOR_VOLTAGE, tps65218_ldo1_dcdc34_ops, 53, TPS65218_REG_CONTROL_DCDC4, TPS65218_CONTROL_DCDC4_MASK, TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC4_EN, 0, 0, dcdc4_ranges, 2, - 0, 0), + 0, 0, TPS65218_REG_SEQ4, TPS65218_SEQ4_DC4_SEQ_MASK), TPS65218_REGULATOR("DCDC5", TPS65218_DCDC_5, REGULATOR_VOLTAGE, tps65218_dcdc56_pmic_ops, 1, -1, -1, TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC5_EN, 0, 0, - NULL, 0, 0, 1000000), + NULL, 0, 0, 1000000, TPS65218_REG_SEQ5, + TPS65218_SEQ5_DC5_SEQ_MASK), TPS65218_REGULATOR("DCDC6", TPS65218_DCDC_6, REGULATOR_VOLTAGE, tps65218_dcdc56_pmic_ops, 1, -1, -1, TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC6_EN, 0, 0, - NULL, 0, 0, 1800000), + NULL, 0, 0, 1800000, TPS65218_REG_SEQ5, + TPS65218_SEQ5_DC6_SEQ_MASK), TPS65218_REGULATOR("LDO1", TPS65218_LDO_1, REGULATOR_VOLTAGE, tps65218_ldo1_dcdc34_ops, 64, TPS65218_REG_CONTROL_LDO1, TPS65218_CONTROL_LDO1_MASK, TPS65218_REG_ENABLE2, TPS65218_ENABLE2_LDO1_EN, 0, 0, ldo1_dcdc3_ranges, - 2, 0, 0), + 2, 0, 0, TPS65218_REG_SEQ6, + TPS65218_SEQ6_LDO1_SEQ_MASK), TPS65218_REGULATOR("LS3", TPS65218_LS_3, REGULATOR_CURRENT, tps65218_ls3_ops, 0, 0, 0, TPS65218_REG_ENABLE2, TPS65218_ENABLE2_LS3_EN, TPS65218_REG_CONFIG2, - TPS65218_CONFIG2_LS3ILIM_MASK, NULL, 0, 0, 0), + TPS65218_CONFIG2_LS3ILIM_MASK, NULL, 0, 0, 0, 0, 0), }; static int tps65218_regulator_probe(struct platform_device *pdev) @@ -300,7 +347,8 @@ static int tps65218_regulator_probe(struct platform_device *pdev) struct regulator_dev *rdev; const struct of_device_id *match; struct regulator_config config = { }; - int id; + int id, ret; + unsigned int val; match = of_match_device(tps65218_of_match, &pdev->dev); if (!match) @@ -327,6 +375,12 @@ static int tps65218_regulator_probe(struct platform_device *pdev) return PTR_ERR(rdev); } + ret = tps65218_reg_read(tps, regulators[id].bypass_reg, &val); + if (ret) + return ret; + + tps->info[id]->strobe = val & regulators[id].bypass_mask; + return 0; } |