regulator: bd718x7: Add enable times
[ Upstream commit 3b66e4a8e5 ]
Use the typical startup times from the data sheet so boards get a
reasonable default. Not setting any enable time can lead to board hangs
when e.g. clocks are enabled too soon afterwards.
This fixes gpu power domain resume on the Librem 5.
[Moved #defines into driver, seems to be general agreement and avoids any
cross tree issues -- broonie]
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/41fb2ed19f584f138336344e2297ae7301f72b75.1608316658.git.agx@sigxcpu.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Guido Günther
Greg Kroah-Hartman
parent
d5f996bea4
commit
331a6438eb
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@ -15,6 +15,36 @@
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#include <linux/regulator/of_regulator.h>
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#include <linux/slab.h>
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/* Typical regulator startup times as per data sheet in uS */
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#define BD71847_BUCK1_STARTUP_TIME 144
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#define BD71847_BUCK2_STARTUP_TIME 162
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#define BD71847_BUCK3_STARTUP_TIME 162
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#define BD71847_BUCK4_STARTUP_TIME 240
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#define BD71847_BUCK5_STARTUP_TIME 270
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#define BD71847_BUCK6_STARTUP_TIME 200
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#define BD71847_LDO1_STARTUP_TIME 440
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#define BD71847_LDO2_STARTUP_TIME 370
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#define BD71847_LDO3_STARTUP_TIME 310
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#define BD71847_LDO4_STARTUP_TIME 400
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#define BD71847_LDO5_STARTUP_TIME 530
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#define BD71847_LDO6_STARTUP_TIME 400
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#define BD71837_BUCK1_STARTUP_TIME 160
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#define BD71837_BUCK2_STARTUP_TIME 180
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#define BD71837_BUCK3_STARTUP_TIME 180
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#define BD71837_BUCK4_STARTUP_TIME 180
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#define BD71837_BUCK5_STARTUP_TIME 160
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#define BD71837_BUCK6_STARTUP_TIME 240
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#define BD71837_BUCK7_STARTUP_TIME 220
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#define BD71837_BUCK8_STARTUP_TIME 200
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#define BD71837_LDO1_STARTUP_TIME 440
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#define BD71837_LDO2_STARTUP_TIME 370
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#define BD71837_LDO3_STARTUP_TIME 310
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#define BD71837_LDO4_STARTUP_TIME 400
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#define BD71837_LDO5_STARTUP_TIME 310
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#define BD71837_LDO6_STARTUP_TIME 400
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#define BD71837_LDO7_STARTUP_TIME 530
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/*
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* BUCK1/2/3/4
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* BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting
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@ -495,6 +525,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD718XX_REG_BUCK1_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71847_BUCK1_STARTUP_TIME,
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.owner = THIS_MODULE,
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.of_parse_cb = buck1_set_hw_dvs_levels,
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},
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@ -519,6 +550,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD718XX_REG_BUCK2_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71847_BUCK2_STARTUP_TIME,
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.owner = THIS_MODULE,
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.of_parse_cb = buck2_set_hw_dvs_levels,
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},
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@ -547,6 +579,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.linear_range_selectors = bd71847_buck3_volt_range_sel,
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.enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71847_BUCK3_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -574,6 +607,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.vsel_range_mask = BD71847_BUCK4_RANGE_MASK,
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.linear_range_selectors = bd71847_buck4_volt_range_sel,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71847_BUCK4_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -596,6 +630,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
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.enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71847_BUCK5_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -620,6 +655,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
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.enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71847_BUCK6_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -646,6 +682,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.linear_range_selectors = bd718xx_ldo1_volt_range_sel,
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.enable_reg = BD718XX_REG_LDO1_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71847_LDO1_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -668,6 +705,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.n_voltages = ARRAY_SIZE(ldo_2_volts),
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.enable_reg = BD718XX_REG_LDO2_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71847_LDO2_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -691,6 +729,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.vsel_mask = BD718XX_LDO3_MASK,
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.enable_reg = BD718XX_REG_LDO3_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71847_LDO3_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -714,6 +753,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.vsel_mask = BD718XX_LDO4_MASK,
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.enable_reg = BD718XX_REG_LDO4_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71847_LDO4_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -740,6 +780,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.linear_range_selectors = bd71847_ldo5_volt_range_sel,
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.enable_reg = BD718XX_REG_LDO5_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71847_LDO5_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -765,6 +806,7 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
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.vsel_mask = BD718XX_LDO6_MASK,
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.enable_reg = BD718XX_REG_LDO6_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71847_LDO6_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -791,6 +833,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD718XX_REG_BUCK1_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71837_BUCK1_STARTUP_TIME,
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.owner = THIS_MODULE,
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.of_parse_cb = buck1_set_hw_dvs_levels,
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},
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@ -815,6 +858,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD718XX_REG_BUCK2_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71837_BUCK2_STARTUP_TIME,
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.owner = THIS_MODULE,
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.of_parse_cb = buck2_set_hw_dvs_levels,
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},
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@ -839,6 +883,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD71837_REG_BUCK3_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71837_BUCK3_STARTUP_TIME,
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.owner = THIS_MODULE,
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.of_parse_cb = buck3_set_hw_dvs_levels,
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},
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@ -863,6 +908,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD71837_REG_BUCK4_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71837_BUCK4_STARTUP_TIME,
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.owner = THIS_MODULE,
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.of_parse_cb = buck4_set_hw_dvs_levels,
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},
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@ -891,6 +937,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.linear_range_selectors = bd71837_buck5_volt_range_sel,
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.enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71837_BUCK5_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -915,6 +962,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = BD71837_BUCK6_MASK,
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.enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71837_BUCK6_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -937,6 +985,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
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.enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71837_BUCK7_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -961,6 +1010,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
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.enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.enable_time = BD71837_BUCK8_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -987,6 +1037,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.linear_range_selectors = bd718xx_ldo1_volt_range_sel,
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.enable_reg = BD718XX_REG_LDO1_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71837_LDO1_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -1009,6 +1060,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.n_voltages = ARRAY_SIZE(ldo_2_volts),
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.enable_reg = BD718XX_REG_LDO2_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71837_LDO2_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -1032,6 +1084,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = BD718XX_LDO3_MASK,
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.enable_reg = BD718XX_REG_LDO3_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71837_LDO3_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -1055,6 +1108,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = BD718XX_LDO4_MASK,
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.enable_reg = BD718XX_REG_LDO4_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71837_LDO4_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -1080,6 +1134,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = BD71837_LDO5_MASK,
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.enable_reg = BD718XX_REG_LDO5_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71837_LDO5_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -1107,6 +1162,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = BD718XX_LDO6_MASK,
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.enable_reg = BD718XX_REG_LDO6_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71837_LDO6_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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@ -1132,6 +1188,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
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.vsel_mask = BD71837_LDO7_MASK,
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.enable_reg = BD71837_REG_LDO7_VOLT,
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.enable_mask = BD718XX_LDO_EN,
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.enable_time = BD71837_LDO7_STARTUP_TIME,
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.owner = THIS_MODULE,
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},
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.init = {
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