diff options
Diffstat (limited to 'drivers/regulator/bd718x7-regulator.c')
-rw-r--r-- | drivers/regulator/bd718x7-regulator.c | 77 |
1 files changed, 66 insertions, 11 deletions
diff --git a/drivers/regulator/bd718x7-regulator.c b/drivers/regulator/bd718x7-regulator.c index e6d5d98c3cea..8ff47ea522d6 100644 --- a/drivers/regulator/bd718x7-regulator.c +++ b/drivers/regulator/bd718x7-regulator.c @@ -15,6 +15,36 @@ #include <linux/regulator/of_regulator.h> #include <linux/slab.h> +/* Typical regulator startup times as per data sheet in uS */ +#define BD71847_BUCK1_STARTUP_TIME 144 +#define BD71847_BUCK2_STARTUP_TIME 162 +#define BD71847_BUCK3_STARTUP_TIME 162 +#define BD71847_BUCK4_STARTUP_TIME 240 +#define BD71847_BUCK5_STARTUP_TIME 270 +#define BD71847_BUCK6_STARTUP_TIME 200 +#define BD71847_LDO1_STARTUP_TIME 440 +#define BD71847_LDO2_STARTUP_TIME 370 +#define BD71847_LDO3_STARTUP_TIME 310 +#define BD71847_LDO4_STARTUP_TIME 400 +#define BD71847_LDO5_STARTUP_TIME 530 +#define BD71847_LDO6_STARTUP_TIME 400 + +#define BD71837_BUCK1_STARTUP_TIME 160 +#define BD71837_BUCK2_STARTUP_TIME 180 +#define BD71837_BUCK3_STARTUP_TIME 180 +#define BD71837_BUCK4_STARTUP_TIME 180 +#define BD71837_BUCK5_STARTUP_TIME 160 +#define BD71837_BUCK6_STARTUP_TIME 240 +#define BD71837_BUCK7_STARTUP_TIME 220 +#define BD71837_BUCK8_STARTUP_TIME 200 +#define BD71837_LDO1_STARTUP_TIME 440 +#define BD71837_LDO2_STARTUP_TIME 370 +#define BD71837_LDO3_STARTUP_TIME 310 +#define BD71837_LDO4_STARTUP_TIME 400 +#define BD71837_LDO5_STARTUP_TIME 310 +#define BD71837_LDO6_STARTUP_TIME 400 +#define BD71837_LDO7_STARTUP_TIME 530 + /* * BD718(37/47/50) have two "enable control modes". ON/OFF can either be * controlled by software - or by PMIC internal HW state machine. Whether @@ -613,6 +643,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .vsel_mask = DVS_BUCK_RUN_MASK, .enable_reg = BD718XX_REG_BUCK1_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71847_BUCK1_STARTUP_TIME, .owner = THIS_MODULE, .of_parse_cb = buck_set_hw_dvs_levels, }, @@ -646,6 +677,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .vsel_mask = DVS_BUCK_RUN_MASK, .enable_reg = BD718XX_REG_BUCK2_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71847_BUCK2_STARTUP_TIME, .owner = THIS_MODULE, .of_parse_cb = buck_set_hw_dvs_levels, }, @@ -680,6 +712,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .linear_range_selectors = bd71847_buck3_volt_range_sel, .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71847_BUCK3_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -706,6 +739,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .vsel_range_mask = BD71847_BUCK4_RANGE_MASK, .linear_range_selectors = bd71847_buck4_volt_range_sel, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71847_BUCK4_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -727,6 +761,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71847_BUCK5_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -750,6 +785,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71847_BUCK6_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -775,6 +811,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .linear_range_selectors = bd718xx_ldo1_volt_range_sel, .enable_reg = BD718XX_REG_LDO1_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71847_LDO1_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -796,6 +833,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .n_voltages = ARRAY_SIZE(ldo_2_volts), .enable_reg = BD718XX_REG_LDO2_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71847_LDO2_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -818,6 +856,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .vsel_mask = BD718XX_LDO3_MASK, .enable_reg = BD718XX_REG_LDO3_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71847_LDO3_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -840,6 +879,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .vsel_mask = BD718XX_LDO4_MASK, .enable_reg = BD718XX_REG_LDO4_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71847_LDO4_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -865,6 +905,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .linear_range_selectors = bd71847_ldo5_volt_range_sel, .enable_reg = BD718XX_REG_LDO5_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71847_LDO5_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -889,6 +930,7 @@ static struct bd718xx_regulator_data bd71847_regulators[] = { .vsel_mask = BD718XX_LDO6_MASK, .enable_reg = BD718XX_REG_LDO6_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71847_LDO6_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -942,6 +984,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = DVS_BUCK_RUN_MASK, .enable_reg = BD718XX_REG_BUCK1_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71837_BUCK1_STARTUP_TIME, .owner = THIS_MODULE, .of_parse_cb = buck_set_hw_dvs_levels, }, @@ -975,6 +1018,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = DVS_BUCK_RUN_MASK, .enable_reg = BD718XX_REG_BUCK2_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71837_BUCK2_STARTUP_TIME, .owner = THIS_MODULE, .of_parse_cb = buck_set_hw_dvs_levels, }, @@ -1005,6 +1049,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = DVS_BUCK_RUN_MASK, .enable_reg = BD71837_REG_BUCK3_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71837_BUCK3_STARTUP_TIME, .owner = THIS_MODULE, .of_parse_cb = buck_set_hw_dvs_levels, }, @@ -1033,6 +1078,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = DVS_BUCK_RUN_MASK, .enable_reg = BD71837_REG_BUCK4_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71837_BUCK4_STARTUP_TIME, .owner = THIS_MODULE, .of_parse_cb = buck_set_hw_dvs_levels, }, @@ -1065,6 +1111,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .linear_range_selectors = bd71837_buck5_volt_range_sel, .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71837_BUCK5_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1088,6 +1135,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = BD71837_BUCK6_MASK, .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71837_BUCK6_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1109,6 +1157,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71837_BUCK7_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1132,6 +1181,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, .enable_mask = BD718XX_BUCK_EN, + .enable_time = BD71837_BUCK8_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1157,6 +1207,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .linear_range_selectors = bd718xx_ldo1_volt_range_sel, .enable_reg = BD718XX_REG_LDO1_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71837_LDO1_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1178,6 +1229,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .n_voltages = ARRAY_SIZE(ldo_2_volts), .enable_reg = BD718XX_REG_LDO2_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71837_LDO2_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1200,6 +1252,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = BD718XX_LDO3_MASK, .enable_reg = BD718XX_REG_LDO3_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71837_LDO3_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1222,6 +1275,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = BD718XX_LDO4_MASK, .enable_reg = BD718XX_REG_LDO4_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71837_LDO4_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1246,6 +1300,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = BD71837_LDO5_MASK, .enable_reg = BD718XX_REG_LDO5_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71837_LDO5_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1272,6 +1327,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = BD718XX_LDO6_MASK, .enable_reg = BD718XX_REG_LDO6_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71837_LDO6_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1296,6 +1352,7 @@ static struct bd718xx_regulator_data bd71837_regulators[] = { .vsel_mask = BD71837_LDO7_MASK, .enable_reg = BD71837_REG_LDO7_VOLT, .enable_mask = BD718XX_LDO_EN, + .enable_time = BD71837_LDO7_STARTUP_TIME, .owner = THIS_MODULE, }, .init = { @@ -1497,7 +1554,7 @@ err_out: static int bd718xx_probe(struct platform_device *pdev) { - struct bd718xx *mfd; + struct regmap *regmap; struct regulator_config config = { 0 }; int i, j, err, omit_enable; bool use_snvs; @@ -1506,11 +1563,10 @@ static int bd718xx_probe(struct platform_device *pdev) enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data; const struct regulator_ops **swops, **hwops; - mfd = dev_get_drvdata(pdev->dev.parent); - if (!mfd) { + regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!regmap) { dev_err(&pdev->dev, "No MFD driver data\n"); - err = -EINVAL; - goto err; + return -EINVAL; } switch (chip) { @@ -1533,7 +1589,7 @@ static int bd718xx_probe(struct platform_device *pdev) } /* Register LOCK release */ - err = regmap_update_bits(mfd->chip.regmap, BD718XX_REG_REGLOCK, + err = regmap_update_bits(regmap, BD718XX_REG_REGLOCK, (REGLOCK_PWRSEQ | REGLOCK_VREG), 0); if (err) { dev_err(&pdev->dev, "Failed to unlock PMIC (%d)\n", err); @@ -1552,8 +1608,7 @@ static int bd718xx_probe(struct platform_device *pdev) * bit allowing HW defaults for power rails to be used */ if (!use_snvs) { - err = regmap_update_bits(mfd->chip.regmap, - BD718XX_REG_TRANS_COND1, + err = regmap_update_bits(regmap, BD718XX_REG_TRANS_COND1, BD718XX_ON_REQ_POWEROFF_MASK | BD718XX_SWRESET_POWEROFF_MASK | BD718XX_WDOG_POWEROFF_MASK | @@ -1569,7 +1624,7 @@ static int bd718xx_probe(struct platform_device *pdev) } config.dev = pdev->dev.parent; - config.regmap = mfd->chip.regmap; + config.regmap = regmap; /* * There are cases when we want to leave the enable-control for * the HW state machine and use this driver only for voltage control. @@ -1628,7 +1683,7 @@ static int bd718xx_probe(struct platform_device *pdev) if (!no_enable_control && (!use_snvs || !rdev->constraints->always_on || !rdev->constraints->boot_on)) { - err = regmap_update_bits(mfd->chip.regmap, r->init.reg, + err = regmap_update_bits(regmap, r->init.reg, r->init.mask, r->init.val); if (err) { dev_err(&pdev->dev, @@ -1638,7 +1693,7 @@ static int bd718xx_probe(struct platform_device *pdev) } } for (j = 0; j < r->additional_init_amnt; j++) { - err = regmap_update_bits(mfd->chip.regmap, + err = regmap_update_bits(regmap, r->additional_inits[j].reg, r->additional_inits[j].mask, r->additional_inits[j].val); |