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| author | Pascal PAILLET-LME <p.paillet@st.com> | 2019-02-19 10:04:35 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-02-19 11:02:55 +0000 |
| commit | e6fff62ab8ac81fe42c407b1b2cfbffcb50c7d01 (patch) | |
| tree | 52b499f926e9d65f966790a7ab170103e83ccdc9 /drivers/regulator/stpmic1_regulator.c | |
| parent | 714a74f13e812889491ffb07647f48406ec2a84b (diff) | |
| download | linux-e6fff62ab8ac81fe42c407b1b2cfbffcb50c7d01.tar.gz | |
regulator: stpmic1: Add active discharge support
Add support for active discharge for USB power switches. Signed-off-by: pascal paillet <p.paillet@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/stpmic1_regulator.c')
| -rw-r--r-- | drivers/regulator/stpmic1_regulator.c | 68 |
1 files changed, 55 insertions, 13 deletions
diff --git a/drivers/regulator/stpmic1_regulator.c b/drivers/regulator/stpmic1_regulator.c index 6970e4587a57..0668d61df7d4 100644 --- a/drivers/regulator/stpmic1_regulator.c +++ b/drivers/regulator/stpmic1_regulator.c @@ -176,11 +176,19 @@ static const struct regulator_ops stpmic1_vref_ddr_ops = { .disable = regulator_disable_regmap, }; +static const struct regulator_ops stpmic1_boost_regul_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_over_current_protection = stpmic1_set_icc, +}; + static const struct regulator_ops stpmic1_switch_regul_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .set_over_current_protection = stpmic1_set_icc, + .set_active_discharge = regulator_set_active_discharge_regmap, }; #define REG_LDO(ids, base) { \ @@ -281,7 +289,44 @@ static const struct regulator_ops stpmic1_switch_regul_ops = { .supply_name = #base, \ } -#define REG_SWITCH(ids, base, reg, mask, val) { \ +#define REG_BOOST(ids, base) { \ + .name = #ids, \ + .id = STPMIC1_##ids, \ + .n_voltages = 1, \ + .ops = &stpmic1_boost_regul_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .min_uV = 0, \ + .fixed_uV = 5000000, \ + .enable_reg = BST_SW_CR, \ + .enable_mask = BOOST_ENABLED, \ + .enable_val = BOOST_ENABLED, \ + .disable_val = 0, \ + .enable_time = PMIC_ENABLE_TIME_US, \ + .supply_name = #base, \ +} + +#define REG_VBUS_OTG(ids, base) { \ + .name = #ids, \ + .id = STPMIC1_##ids, \ + .n_voltages = 1, \ + .ops = &stpmic1_switch_regul_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .min_uV = 0, \ + .fixed_uV = 5000000, \ + .enable_reg = BST_SW_CR, \ + .enable_mask = USBSW_OTG_SWITCH_ENABLED, \ + .enable_val = USBSW_OTG_SWITCH_ENABLED, \ + .disable_val = 0, \ + .enable_time = PMIC_ENABLE_TIME_US, \ + .supply_name = #base, \ + .active_discharge_reg = BST_SW_CR, \ + .active_discharge_mask = VBUS_OTG_DISCHARGE, \ + .active_discharge_on = VBUS_OTG_DISCHARGE, \ +} + +#define REG_SW_OUT(ids, base) { \ .name = #ids, \ .id = STPMIC1_##ids, \ .n_voltages = 1, \ @@ -290,12 +335,15 @@ static const struct regulator_ops stpmic1_switch_regul_ops = { .owner = THIS_MODULE, \ .min_uV = 0, \ .fixed_uV = 5000000, \ - .enable_reg = (reg), \ - .enable_mask = (mask), \ - .enable_val = (val), \ + .enable_reg = BST_SW_CR, \ + .enable_mask = SWIN_SWOUT_ENABLED, \ + .enable_val = SWIN_SWOUT_ENABLED, \ .disable_val = 0, \ .enable_time = PMIC_ENABLE_TIME_US, \ .supply_name = #base, \ + .active_discharge_reg = BST_SW_CR, \ + .active_discharge_mask = SW_OUT_DISCHARGE, \ + .active_discharge_on = SW_OUT_DISCHARGE, \ } static const struct stpmic1_regulator_cfg stpmic1_regulator_cfgs[] = { @@ -375,23 +423,17 @@ static const struct stpmic1_regulator_cfg stpmic1_regulator_cfgs[] = { .mask_reset_mask = BIT(6), }, [STPMIC1_BOOST] = { - .desc = REG_SWITCH(BOOST, boost, BST_SW_CR, - BOOST_ENABLED, - BOOST_ENABLED), + .desc = REG_BOOST(BOOST, boost), .icc_reg = BUCKS_ICCTO_CR, .icc_mask = BIT(6), }, [STPMIC1_VBUS_OTG] = { - .desc = REG_SWITCH(VBUS_OTG, pwr_sw1, BST_SW_CR, - USBSW_OTG_SWITCH_ENABLED, - USBSW_OTG_SWITCH_ENABLED), + .desc = REG_VBUS_OTG(VBUS_OTG, pwr_sw1), .icc_reg = BUCKS_ICCTO_CR, .icc_mask = BIT(4), }, [STPMIC1_SW_OUT] = { - .desc = REG_SWITCH(SW_OUT, pwr_sw2, BST_SW_CR, - SWIN_SWOUT_ENABLED, - SWIN_SWOUT_ENABLED), + .desc = REG_SW_OUT(SW_OUT, pwr_sw2), .icc_reg = BUCKS_ICCTO_CR, .icc_mask = BIT(5), }, |