diff options
Diffstat (limited to 'drivers/regulator/tps6586x-regulator.c')
| -rw-r--r-- | drivers/regulator/tps6586x-regulator.c | 279 |
1 files changed, 179 insertions, 100 deletions
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 2c9155b66f09..1ab5767590f3 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Regulator driver for TI TPS6586x * @@ -7,10 +8,6 @@ * Based on da903x * Copyright (C) 2006-2008 Marvell International Ltd. * Copyright (C) 2008 Compulab Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -63,12 +60,7 @@ struct tps6586x_regulator { int enable_reg[2]; }; -static inline struct device *to_tps6586x_dev(struct regulator_dev *rdev) -{ - return rdev_get_dev(rdev)->parent; -} - -static struct regulator_ops tps6586x_regulator_ops = { +static const struct regulator_ops tps6586x_rw_regulator_ops = { .list_voltage = regulator_list_voltage_table, .map_voltage = regulator_map_voltage_ascend, .get_voltage_sel = regulator_get_voltage_sel_regmap, @@ -79,48 +71,76 @@ static struct regulator_ops tps6586x_regulator_ops = { .disable = regulator_disable_regmap, }; -static struct regulator_ops tps6586x_sys_regulator_ops = { +static const struct regulator_ops tps6586x_rw_linear_regulator_ops = { + .list_voltage = regulator_list_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, }; -static const unsigned int tps6586x_ldo0_voltages[] = { - 1200000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000, +static const struct regulator_ops tps6586x_ro_regulator_ops = { + .list_voltage = regulator_list_voltage_table, + .map_voltage = regulator_map_voltage_ascend, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, }; -static const unsigned int tps6586x_ldo4_voltages[] = { - 1700000, 1725000, 1750000, 1775000, 1800000, 1825000, 1850000, 1875000, - 1900000, 1925000, 1950000, 1975000, 2000000, 2025000, 2050000, 2075000, - 2100000, 2125000, 2150000, 2175000, 2200000, 2225000, 2250000, 2275000, - 2300000, 2325000, 2350000, 2375000, 2400000, 2425000, 2450000, 2475000, +static const struct regulator_ops tps6586x_sys_regulator_ops = { }; -static const unsigned int tps6586x_ldo_voltages[] = { - 1250000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000, +static const unsigned int tps6586x_ldo0_voltages[] = { + 1200000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000, }; -static const unsigned int tps6586x_sm2_voltages[] = { - 3000000, 3050000, 3100000, 3150000, 3200000, 3250000, 3300000, 3350000, - 3400000, 3450000, 3500000, 3550000, 3600000, 3650000, 3700000, 3750000, - 3800000, 3850000, 3900000, 3950000, 4000000, 4050000, 4100000, 4150000, - 4200000, 4250000, 4300000, 4350000, 4400000, 4450000, 4500000, 4550000, +static const unsigned int tps6586x_ldo_voltages[] = { + 1250000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000, }; -static const unsigned int tps6586x_dvm_voltages[] = { - 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, +static const unsigned int tps658640_rtc_voltages[] = { + 2500000, 2850000, 3100000, 3300000, }; -#define TPS6586X_REGULATOR(_id, _pin_name, vdata, vreg, shift, nbits, \ +#define TPS6586X_REGULATOR(_id, _ops, _pin_name, vdata, vreg, shift, nbits, \ ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ .desc = { \ .supply_name = _pin_name, \ .name = "REG-" #_id, \ - .ops = &tps6586x_regulator_ops, \ + .ops = &tps6586x_## _ops ## _regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = TPS6586X_ID_##_id, \ + .n_voltages = ARRAY_SIZE(vdata##_voltages), \ + .volt_table = vdata##_voltages, \ + .owner = THIS_MODULE, \ + .enable_reg = TPS6586X_SUPPLY##ereg0, \ + .enable_mask = 1 << (ebit0), \ + .vsel_reg = TPS6586X_##vreg, \ + .vsel_mask = ((1 << (nbits)) - 1) << (shift), \ + .apply_reg = (goreg), \ + .apply_bit = (gobit), \ + }, \ + .enable_reg[0] = TPS6586X_SUPPLY##ereg0, \ + .enable_bit[0] = (ebit0), \ + .enable_reg[1] = TPS6586X_SUPPLY##ereg1, \ + .enable_bit[1] = (ebit1), + +#define TPS6586X_REGULATOR_LINEAR(_id, _ops, _pin_name, n_volt, min_uv, \ + uv_step, vreg, shift, nbits, ereg0, \ + ebit0, ereg1, ebit1, goreg, gobit) \ + .desc = { \ + .supply_name = _pin_name, \ + .name = "REG-" #_id, \ + .ops = &tps6586x_## _ops ## _regulator_ops, \ .type = REGULATOR_VOLTAGE, \ .id = TPS6586X_ID_##_id, \ - .n_voltages = ARRAY_SIZE(tps6586x_##vdata##_voltages), \ - .volt_table = tps6586x_##vdata##_voltages, \ + .n_voltages = n_volt, \ + .min_uV = min_uv, \ + .uV_step = uv_step, \ .owner = THIS_MODULE, \ .enable_reg = TPS6586X_SUPPLY##ereg0, \ .enable_mask = 1 << (ebit0), \ @@ -137,15 +157,32 @@ static const unsigned int tps6586x_dvm_voltages[] = { #define TPS6586X_LDO(_id, _pname, vdata, vreg, shift, nbits, \ ereg0, ebit0, ereg1, ebit1) \ { \ - TPS6586X_REGULATOR(_id, _pname, vdata, vreg, shift, nbits, \ + TPS6586X_REGULATOR(_id, rw, _pname, vdata, vreg, shift, nbits, \ ereg0, ebit0, ereg1, ebit1, 0, 0) \ } -#define TPS6586X_DVM(_id, _pname, vdata, vreg, shift, nbits, \ - ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ +#define TPS6586X_LDO_LINEAR(_id, _pname, n_volt, min_uv, uv_step, vreg, \ + shift, nbits, ereg0, ebit0, ereg1, ebit1) \ { \ - TPS6586X_REGULATOR(_id, _pname, vdata, vreg, shift, nbits, \ - ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ + TPS6586X_REGULATOR_LINEAR(_id, rw_linear, _pname, n_volt, \ + min_uv, uv_step, vreg, shift, nbits, \ + ereg0, ebit0, ereg1, ebit1, 0, 0) \ +} + +#define TPS6586X_FIXED_LDO(_id, _pname, vdata, vreg, shift, nbits, \ + ereg0, ebit0, ereg1, ebit1) \ +{ \ + TPS6586X_REGULATOR(_id, ro, _pname, vdata, vreg, shift, nbits, \ + ereg0, ebit0, ereg1, ebit1, 0, 0) \ +} + +#define TPS6586X_DVM(_id, _pname, n_volt, min_uv, uv_step, vreg, shift, \ + nbits, ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ +{ \ + TPS6586X_REGULATOR_LINEAR(_id, rw_linear, _pname, n_volt, \ + min_uv, uv_step, vreg, shift, nbits, \ + ereg0, ebit0, ereg1, ebit1, goreg, \ + gobit) \ } #define TPS6586X_SYS_REGULATOR() \ @@ -162,25 +199,64 @@ static const unsigned int tps6586x_dvm_voltages[] = { static struct tps6586x_regulator tps6586x_regulator[] = { TPS6586X_SYS_REGULATOR(), - TPS6586X_LDO(LDO_0, "vinldo01", ldo0, SUPPLYV1, 5, 3, ENC, 0, END, 0), - TPS6586X_LDO(LDO_3, "vinldo23", ldo, SUPPLYV4, 0, 3, ENC, 2, END, 2), - TPS6586X_LDO(LDO_5, "REG-SYS", ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6), - TPS6586X_LDO(LDO_6, "vinldo678", ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4), - TPS6586X_LDO(LDO_7, "vinldo678", ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5), - TPS6586X_LDO(LDO_8, "vinldo678", ldo, SUPPLYV2, 5, 3, ENC, 6, END, 6), - TPS6586X_LDO(LDO_9, "vinldo9", ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7), - TPS6586X_LDO(LDO_RTC, "REG-SYS", ldo, SUPPLYV4, 3, 3, V4, 7, V4, 7), - TPS6586X_LDO(LDO_1, "vinldo01", dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1), - TPS6586X_LDO(SM_2, "vin-sm2", sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7), - - TPS6586X_DVM(LDO_2, "vinldo23", dvm, LDO2BV1, 0, 5, ENA, 3, - ENB, 3, TPS6586X_VCC2, BIT(6)), - TPS6586X_DVM(LDO_4, "vinldo4", ldo4, LDO4V1, 0, 5, ENC, 3, - END, 3, TPS6586X_VCC1, BIT(6)), - TPS6586X_DVM(SM_0, "vin-sm0", dvm, SM0V1, 0, 5, ENA, 1, - ENB, 1, TPS6586X_VCC1, BIT(2)), - TPS6586X_DVM(SM_1, "vin-sm1", dvm, SM1V1, 0, 5, ENA, 0, - ENB, 0, TPS6586X_VCC1, BIT(0)), + TPS6586X_LDO(LDO_0, "vinldo01", tps6586x_ldo0, SUPPLYV1, 5, 3, ENC, 0, + END, 0), + TPS6586X_LDO(LDO_3, "vinldo23", tps6586x_ldo, SUPPLYV4, 0, 3, ENC, 2, + END, 2), + TPS6586X_LDO(LDO_5, "REG-SYS", tps6586x_ldo, SUPPLYV6, 0, 3, ENE, 6, + ENE, 6), + TPS6586X_LDO(LDO_6, "vinldo678", tps6586x_ldo, SUPPLYV3, 0, 3, ENC, 4, + END, 4), + TPS6586X_LDO(LDO_7, "vinldo678", tps6586x_ldo, SUPPLYV3, 3, 3, ENC, 5, + END, 5), + TPS6586X_LDO(LDO_8, "vinldo678", tps6586x_ldo, SUPPLYV2, 5, 3, ENC, 6, + END, 6), + TPS6586X_LDO(LDO_9, "vinldo9", tps6586x_ldo, SUPPLYV6, 3, 3, ENE, 7, + ENE, 7), + TPS6586X_LDO(LDO_RTC, "REG-SYS", tps6586x_ldo, SUPPLYV4, 3, 3, V4, 7, + V4, 7), + TPS6586X_LDO_LINEAR(LDO_1, "vinldo01", 32, 725000, 25000, SUPPLYV1, + 0, 5, ENC, 1, END, 1), + TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 3000000, 50000, SUPPLYV2, + 0, 5, ENC, 7, END, 7), + TPS6586X_DVM(LDO_2, "vinldo23", 32, 725000, 25000, LDO2BV1, 0, 5, + ENA, 3, ENB, 3, TPS6586X_VCC2, BIT(6)), + TPS6586X_DVM(LDO_4, "vinldo4", 32, 1700000, 25000, LDO4V1, 0, 5, + ENC, 3, END, 3, TPS6586X_VCC1, BIT(6)), + TPS6586X_DVM(SM_0, "vin-sm0", 32, 725000, 25000, SM0V1, 0, 5, + ENA, 1, ENB, 1, TPS6586X_VCC1, BIT(2)), + TPS6586X_DVM(SM_1, "vin-sm1", 32, 725000, 25000, SM1V1, 0, 5, + ENA, 0, ENB, 0, TPS6586X_VCC1, BIT(0)), +}; + +static struct tps6586x_regulator tps658623_regulator[] = { + TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 1700000, 25000, SUPPLYV2, + 0, 5, ENC, 7, END, 7), +}; + +static struct tps6586x_regulator tps658640_regulator[] = { + TPS6586X_LDO(LDO_3, "vinldo23", tps6586x_ldo0, SUPPLYV4, 0, 3, + ENC, 2, END, 2), + TPS6586X_LDO(LDO_5, "REG-SYS", tps6586x_ldo0, SUPPLYV6, 0, 3, + ENE, 6, ENE, 6), + TPS6586X_LDO(LDO_6, "vinldo678", tps6586x_ldo0, SUPPLYV3, 0, 3, + ENC, 4, END, 4), + TPS6586X_LDO(LDO_7, "vinldo678", tps6586x_ldo0, SUPPLYV3, 3, 3, + ENC, 5, END, 5), + TPS6586X_LDO(LDO_8, "vinldo678", tps6586x_ldo0, SUPPLYV2, 5, 3, + ENC, 6, END, 6), + TPS6586X_LDO(LDO_9, "vinldo9", tps6586x_ldo0, SUPPLYV6, 3, 3, + ENE, 7, ENE, 7), + TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 2150000, 50000, SUPPLYV2, + 0, 5, ENC, 7, END, 7), + + TPS6586X_FIXED_LDO(LDO_RTC, "REG-SYS", tps658640_rtc, SUPPLYV4, 3, 2, + V4, 7, V4, 7), +}; + +static struct tps6586x_regulator tps658643_regulator[] = { + TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 1025000, 25000, SUPPLYV2, + 0, 5, ENC, 7, END, 7), }; /* @@ -254,11 +330,39 @@ static int tps6586x_regulator_set_slew_rate(struct platform_device *pdev, setting->slew_rate & TPS6586X_SLEW_RATE_MASK); } -static inline struct tps6586x_regulator *find_regulator_info(int id) +static struct tps6586x_regulator *find_regulator_info(int id, int version) { struct tps6586x_regulator *ri; + struct tps6586x_regulator *table = NULL; + int num; int i; + switch (version) { + case TPS658623: + case TPS658624: + table = tps658623_regulator; + num = ARRAY_SIZE(tps658623_regulator); + break; + case TPS658640: + case TPS658640v2: + table = tps658640_regulator; + num = ARRAY_SIZE(tps658640_regulator); + break; + case TPS658643: + table = tps658643_regulator; + num = ARRAY_SIZE(tps658643_regulator); + break; + } + + /* Search version specific table first */ + if (table) { + for (i = 0; i < num; i++) { + ri = &table[i]; + if (ri->desc.id == id) + return ri; + } + } + for (i = 0; i < ARRAY_SIZE(tps6586x_regulator); i++) { ri = &tps6586x_regulator[i]; if (ri->desc.id == id) @@ -298,7 +402,7 @@ static struct tps6586x_platform_data *tps6586x_parse_regulator_dt( struct tps6586x_platform_data *pdata; int err; - regs = of_find_node_by_name(np, "regulators"); + regs = of_get_child_by_name(np, "regulators"); if (!regs) { dev_err(&pdev->dev, "regulator node not found\n"); return NULL; @@ -312,18 +416,16 @@ static struct tps6586x_platform_data *tps6586x_parse_regulator_dt( } pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - dev_err(&pdev->dev, "Memory alloction failed\n"); + if (!pdata) return NULL; - } for (i = 0; i < num; i++) { - int id; + uintptr_t id; if (!tps6586x_matches[i].init_data) continue; pdata->reg_init_data[i] = tps6586x_matches[i].init_data; - id = (int)tps6586x_matches[i].driver_data; + id = (uintptr_t)tps6586x_matches[i].driver_data; if (id == TPS6586X_ID_SYS) sys_rail = pdata->reg_init_data[i]->constraints.name; @@ -347,10 +449,11 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) { struct tps6586x_regulator *ri = NULL; struct regulator_config config = { }; - struct regulator_dev **rdev; + struct regulator_dev *rdev; struct regulator_init_data *reg_data; struct tps6586x_platform_data *pdata; struct of_regulator_match *tps6586x_reg_matches = NULL; + int version; int id; int err; @@ -366,28 +469,23 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) return -ENODEV; } - rdev = devm_kzalloc(&pdev->dev, TPS6586X_ID_MAX_REGULATOR * - sizeof(*rdev), GFP_KERNEL); - if (!rdev) { - dev_err(&pdev->dev, "Mmemory alloc failed\n"); - return -ENOMEM; - } + version = tps6586x_get_version(pdev->dev.parent); for (id = 0; id < TPS6586X_ID_MAX_REGULATOR; ++id) { reg_data = pdata->reg_init_data[id]; - ri = find_regulator_info(id); + ri = find_regulator_info(id, version); + if (!ri) { dev_err(&pdev->dev, "invalid regulator ID specified\n"); - err = -EINVAL; - goto fail; + return -EINVAL; } err = tps6586x_regulator_preinit(pdev->dev.parent, ri); if (err) { dev_err(&pdev->dev, "regulator %d preinit failed, e %d\n", id, err); - goto fail; + return err; } config.dev = pdev->dev.parent; @@ -397,12 +495,11 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) if (tps6586x_reg_matches) config.of_node = tps6586x_reg_matches[id].of_node; - rdev[id] = regulator_register(&ri->desc, &config); - if (IS_ERR(rdev[id])) { + rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config); + if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", ri->desc.name); - err = PTR_ERR(rdev[id]); - goto fail; + return PTR_ERR(rdev); } if (reg_data) { @@ -411,39 +508,21 @@ static int tps6586x_regulator_probe(struct platform_device *pdev) if (err < 0) { dev_err(&pdev->dev, "Slew rate config failed, e %d\n", err); - regulator_unregister(rdev[id]); - goto fail; + return err; } } } platform_set_drvdata(pdev, rdev); return 0; - -fail: - while (--id >= 0) - regulator_unregister(rdev[id]); - return err; -} - -static int tps6586x_regulator_remove(struct platform_device *pdev) -{ - struct regulator_dev **rdev = platform_get_drvdata(pdev); - int id = TPS6586X_ID_MAX_REGULATOR; - - while (--id >= 0) - regulator_unregister(rdev[id]); - - return 0; } static struct platform_driver tps6586x_regulator_driver = { .driver = { .name = "tps6586x-regulator", - .owner = THIS_MODULE, + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = tps6586x_regulator_probe, - .remove = tps6586x_regulator_remove, }; static int __init tps6586x_regulator_init(void) |