regulator: s2mps11: Fix dw_mmc failure on Gear 2
Invalid buck4 configuration for linear mapping of voltage in S2MPS14
regulators caused boot failure on Gear 2 (dw_mmc-exynos):
[ 3.569137] EXT4-fs (mmcblk0p15): mounted filesystem with ordered data mode. Opts: (null)
[ 3.571716] VFS: Mounted root (ext4 filesystem) readonly on device 179:15.
[ 3.629842] mmcblk0: error -110 sending status command, retrying
[ 3.630244] mmcblk0: error -110 sending status command, retrying
[ 3.636292] mmcblk0: error -110 sending status command, aborting
Buck4 voltage regulator has different minimal voltage value than other
bucks. Commit merging multiple regulator description macros caused to
use linear_min_sel from buck[1235] regulators as value for buck4. This
lead to lower voltage of buck4 than required.
Output of the buck4 is used internally as power source for
LDO{3,4,7,11,19,20,21,23}. On Gear 2 board LDO11 is used as MMC
regulator (V_EMMC_1.8V).
Fixes: 5a867cf288
("regulator: s2mps11: Optimize the regulator description macro")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org>
This commit is contained in:
parent
b2776bf714
commit
1222d8fe57
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@ -479,7 +479,7 @@ static struct regulator_ops s2mps14_reg_ops = {
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.enable_mask = S2MPS14_ENABLE_MASK \
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}
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#define regulator_desc_s2mps14_buck(num, min, step) { \
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#define regulator_desc_s2mps14_buck(num, min, step, min_sel) { \
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.name = "BUCK"#num, \
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.id = S2MPS14_BUCK##num, \
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.ops = &s2mps14_reg_ops, \
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@ -488,7 +488,7 @@ static struct regulator_ops s2mps14_reg_ops = {
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.min_uV = min, \
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.uV_step = step, \
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.n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
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.linear_min_sel = S2MPS14_BUCK1235_START_SEL, \
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.linear_min_sel = min_sel, \
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.ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \
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.vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \
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.vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
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@ -522,11 +522,16 @@ static const struct regulator_desc s2mps14_regulators[] = {
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regulator_desc_s2mps14_ldo(23, MIN_800_MV, STEP_25_MV),
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regulator_desc_s2mps14_ldo(24, MIN_1800_MV, STEP_25_MV),
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regulator_desc_s2mps14_ldo(25, MIN_1800_MV, STEP_25_MV),
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regulator_desc_s2mps14_buck(1, MIN_600_MV, STEP_6_25_MV),
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regulator_desc_s2mps14_buck(2, MIN_600_MV, STEP_6_25_MV),
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regulator_desc_s2mps14_buck(3, MIN_600_MV, STEP_6_25_MV),
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regulator_desc_s2mps14_buck(4, MIN_1400_MV, STEP_12_5_MV),
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regulator_desc_s2mps14_buck(5, MIN_600_MV, STEP_6_25_MV),
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regulator_desc_s2mps14_buck(1, MIN_600_MV, STEP_6_25_MV,
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S2MPS14_BUCK1235_START_SEL),
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regulator_desc_s2mps14_buck(2, MIN_600_MV, STEP_6_25_MV,
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S2MPS14_BUCK1235_START_SEL),
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regulator_desc_s2mps14_buck(3, MIN_600_MV, STEP_6_25_MV,
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S2MPS14_BUCK1235_START_SEL),
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regulator_desc_s2mps14_buck(4, MIN_1400_MV, STEP_12_5_MV,
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S2MPS14_BUCK4_START_SEL),
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regulator_desc_s2mps14_buck(5, MIN_600_MV, STEP_6_25_MV,
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S2MPS14_BUCK1235_START_SEL),
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};
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static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11,
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