From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- drivers/regulator/88pm8607.c | 406 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 406 insertions(+) create mode 100644 drivers/regulator/88pm8607.c (limited to 'drivers/regulator/88pm8607.c') diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c new file mode 100644 index 000000000..1d1c4a7ec --- /dev/null +++ b/drivers/regulator/88pm8607.c @@ -0,0 +1,406 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Regulators driver for Marvell 88PM8607 + * + * Copyright (C) 2009 Marvell International Ltd. + * Haojian Zhuang + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct pm8607_regulator_info { + struct regulator_desc desc; + + unsigned int *vol_suspend; + + int slope_double; +}; + +static const unsigned int BUCK1_table[] = { + 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000, + 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000, + 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, + 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000, + 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, + 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, + 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, + 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, +}; + +static const unsigned int BUCK1_suspend_table[] = { + 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, + 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, + 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, + 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, + 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, + 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, + 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, + 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, +}; + +static const unsigned int BUCK2_table[] = { + 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, + 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, + 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, + 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, + 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, + 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, + 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, + 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, +}; + +static const unsigned int BUCK2_suspend_table[] = { + 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, + 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, + 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, + 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, + 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, + 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, + 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, + 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, +}; + +static const unsigned int BUCK3_table[] = { + 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, + 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, + 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, + 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, + 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, + 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, + 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, + 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, +}; + +static const unsigned int BUCK3_suspend_table[] = { + 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, + 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, + 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, + 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, + 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, + 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, + 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, + 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, +}; + +static const unsigned int LDO1_table[] = { + 1800000, 1200000, 2800000, 0, +}; + +static const unsigned int LDO1_suspend_table[] = { + 1800000, 1200000, 0, 0, +}; + +static const unsigned int LDO2_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, +}; + +static const unsigned int LDO2_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO3_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, +}; + +static const unsigned int LDO3_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO4_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000, +}; + +static const unsigned int LDO4_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000, +}; + +static const unsigned int LDO5_table[] = { + 2900000, 3000000, 3100000, 3300000, +}; + +static const unsigned int LDO5_suspend_table[] = { + 2900000, 0, 0, 0, +}; + +static const unsigned int LDO6_table[] = { + 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000, +}; + +static const unsigned int LDO6_suspend_table[] = { + 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000, +}; + +static const unsigned int LDO7_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO7_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO8_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO8_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO9_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, +}; + +static const unsigned int LDO9_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO10_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, + 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, +}; + +static const unsigned int LDO10_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, + 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, +}; + +static const unsigned int LDO12_table[] = { + 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000, + 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, +}; + +static const unsigned int LDO12_suspend_table[] = { + 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000, + 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, +}; + +static const unsigned int LDO13_table[] = { + 1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, +}; + +static const unsigned int LDO13_suspend_table[] = { + 0, +}; + +static const unsigned int LDO14_table[] = { + 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000, +}; + +static const unsigned int LDO14_suspend_table[] = { + 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000, +}; + +static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) +{ + struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); + int ret; + + ret = regulator_list_voltage_table(rdev, index); + if (ret < 0) + return ret; + + if (info->slope_double) + ret <<= 1; + + return ret; +} + +static const struct regulator_ops pm8607_regulator_ops = { + .list_voltage = pm8607_list_voltage, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, +}; + +static const struct regulator_ops pm8606_preg_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, +}; + +#define PM8606_PREG(ereg, ebit) \ +{ \ + .desc = { \ + .name = "PREG", \ + .of_match = of_match_ptr("PREG"), \ + .regulators_node = of_match_ptr("regulators"), \ + .ops = &pm8606_preg_ops, \ + .type = REGULATOR_CURRENT, \ + .id = PM8606_ID_PREG, \ + .owner = THIS_MODULE, \ + .enable_reg = PM8606_##ereg, \ + .enable_mask = (ebit), \ + .enable_is_inverted = true, \ + }, \ +} + +#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \ +{ \ + .desc = { \ + .name = #vreg, \ + .of_match = of_match_ptr(#vreg), \ + .regulators_node = of_match_ptr("regulators"), \ + .ops = &pm8607_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PM8607_ID_##vreg, \ + .owner = THIS_MODULE, \ + .volt_table = vreg##_table, \ + .n_voltages = ARRAY_SIZE(vreg##_table), \ + .vsel_reg = PM8607_##vreg, \ + .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \ + .apply_reg = PM8607_##ureg, \ + .apply_bit = (ubit), \ + .enable_reg = PM8607_##ereg, \ + .enable_mask = 1 << (ebit), \ + }, \ + .slope_double = (0), \ + .vol_suspend = (unsigned int *)&vreg##_suspend_table, \ +} + +#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \ +{ \ + .desc = { \ + .name = "LDO" #_id, \ + .of_match = of_match_ptr("LDO" #_id), \ + .regulators_node = of_match_ptr("regulators"), \ + .ops = &pm8607_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PM8607_ID_LDO##_id, \ + .owner = THIS_MODULE, \ + .volt_table = LDO##_id##_table, \ + .n_voltages = ARRAY_SIZE(LDO##_id##_table), \ + .vsel_reg = PM8607_##vreg, \ + .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \ + .enable_reg = PM8607_##ereg, \ + .enable_mask = 1 << (ebit), \ + }, \ + .slope_double = (0), \ + .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \ +} + +static struct pm8607_regulator_info pm8607_regulator_info[] = { + PM8607_DVC(BUCK1, GO, BIT(0), SUPPLIES_EN11, 0), + PM8607_DVC(BUCK2, GO, BIT(1), SUPPLIES_EN11, 1), + PM8607_DVC(BUCK3, GO, BIT(2), SUPPLIES_EN11, 2), + + PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3), + PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4), + PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5), + PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6), + PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7), + PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0), + PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1), + PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2), + PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3), + PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4), + PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5), + PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0), + PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6), +}; + +static struct pm8607_regulator_info pm8606_regulator_info[] = { + PM8606_PREG(PREREGULATORB, 5), +}; + +static int pm8607_regulator_probe(struct platform_device *pdev) +{ + struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); + struct pm8607_regulator_info *info = NULL; + struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev); + struct regulator_config config = { }; + struct regulator_dev *rdev; + struct resource *res; + int i; + + res = platform_get_resource(pdev, IORESOURCE_REG, 0); + if (res) { + /* There're resources in 88PM8607 regulator driver */ + for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { + info = &pm8607_regulator_info[i]; + if (info->desc.vsel_reg == res->start) + break; + } + if (i == ARRAY_SIZE(pm8607_regulator_info)) { + dev_err(&pdev->dev, "Failed to find regulator %llu\n", + (unsigned long long)res->start); + return -EINVAL; + } + } else { + /* There's no resource in 88PM8606 PREG regulator driver */ + info = &pm8606_regulator_info[0]; + /* i is used to check regulator ID */ + i = -1; + } + + /* check DVC ramp slope double */ + if ((i == PM8607_ID_BUCK3) && chip->buck3_double) + info->slope_double = 1; + + config.dev = chip->dev; + config.driver_data = info; + + if (pdata) + config.init_data = pdata; + + if (chip->id == CHIP_PM8607) + config.regmap = chip->regmap; + else + config.regmap = chip->regmap_companion; + + rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "failed to register regulator %s\n", + info->desc.name); + return PTR_ERR(rdev); + } + + platform_set_drvdata(pdev, info); + return 0; +} + +static const struct platform_device_id pm8607_regulator_driver_ids[] = { + { + .name = "88pm860x-regulator", + .driver_data = 0, + }, { + .name = "88pm860x-preg", + .driver_data = 0, + }, + { }, +}; +MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids); + +static struct platform_driver pm8607_regulator_driver = { + .driver = { + .name = "88pm860x-regulator", + }, + .probe = pm8607_regulator_probe, + .id_table = pm8607_regulator_driver_ids, +}; + +static int __init pm8607_regulator_init(void) +{ + return platform_driver_register(&pm8607_regulator_driver); +} +subsys_initcall(pm8607_regulator_init); + +static void __exit pm8607_regulator_exit(void) +{ + platform_driver_unregister(&pm8607_regulator_driver); +} +module_exit(pm8607_regulator_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Haojian Zhuang "); +MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC"); +MODULE_ALIAS("platform:88pm8607-regulator"); -- cgit v1.2.3