diff options
Diffstat (limited to 'drivers/regulator/tps6586x-regulator.c')
| -rw-r--r-- | drivers/regulator/tps6586x-regulator.c | 206 |
1 files changed, 140 insertions, 66 deletions
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 2c9155b66f0..0a3bb3aecd9 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -63,12 +63,7 @@ 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 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, @@ -79,6 +74,16 @@ static struct regulator_ops tps6586x_regulator_ops = { .disable = regulator_disable_regmap, }; +static 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 struct regulator_ops tps6586x_sys_regulator_ops = { }; @@ -93,6 +98,8 @@ static const unsigned int tps6586x_ldo4_voltages[] = { 2300000, 2325000, 2350000, 2375000, 2400000, 2425000, 2450000, 2475000, }; +#define tps658623_sm2_voltages tps6586x_ldo4_voltages + static const unsigned int tps6586x_ldo_voltages[] = { 1250000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000, }; @@ -104,6 +111,20 @@ static const unsigned int tps6586x_sm2_voltages[] = { 4200000, 4250000, 4300000, 4350000, 4400000, 4450000, 4500000, 4550000, }; +static int tps658640_sm2_voltages[] = { + 2150000, 2200000, 2250000, 2300000, 2350000, 2400000, 2450000, 2500000, + 2550000, 2600000, 2650000, 2700000, 2750000, 2800000, 2850000, 2900000, + 2950000, 3000000, 3050000, 3100000, 3150000, 3200000, 3250000, 3300000, + 3350000, 3400000, 3450000, 3500000, 3550000, 3600000, 3650000, 3700000, +}; + +static const unsigned int tps658643_sm2_voltages[] = { + 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, 1200000, + 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, 1400000, + 1425000, 1450000, 1475000, 1500000, 1525000, 1550000, 1575000, 1600000, + 1625000, 1650000, 1675000, 1700000, 1725000, 1750000, 1775000, 1800000, +}; + static const unsigned int tps6586x_dvm_voltages[] = { 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000, @@ -111,16 +132,20 @@ static const unsigned int tps6586x_dvm_voltages[] = { 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000, }; -#define TPS6586X_REGULATOR(_id, _pin_name, vdata, vreg, shift, nbits, \ +static int tps658640_rtc_voltages[] = { + 2500000, 2850000, 3100000, 3300000, +}; + +#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(tps6586x_##vdata##_voltages), \ - .volt_table = tps6586x_##vdata##_voltages, \ + .n_voltages = ARRAY_SIZE(vdata##_voltages), \ + .volt_table = vdata##_voltages, \ .owner = THIS_MODULE, \ .enable_reg = TPS6586X_SUPPLY##ereg0, \ .enable_mask = 1 << (ebit0), \ @@ -137,14 +162,21 @@ 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_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, vdata, vreg, shift, nbits, \ ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ { \ - TPS6586X_REGULATOR(_id, _pname, vdata, vreg, shift, nbits, \ + TPS6586X_REGULATOR(_id, rw, _pname, vdata, vreg, shift, nbits, \ ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ } @@ -162,27 +194,67 @@ 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, + 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(LDO_1, "vinldo01", tps6586x_dvm, SUPPLYV1, 0, 5, ENC, 1, + END, 1), + TPS6586X_LDO(SM_2, "vin-sm2", tps6586x_sm2, SUPPLYV2, 0, 5, ENC, 7, + END, 7), + + TPS6586X_DVM(LDO_2, "vinldo23", tps6586x_dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, TPS6586X_VCC2, BIT(6)), - TPS6586X_DVM(LDO_4, "vinldo4", ldo4, LDO4V1, 0, 5, ENC, 3, + TPS6586X_DVM(LDO_4, "vinldo4", tps6586x_ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, TPS6586X_VCC1, BIT(6)), - TPS6586X_DVM(SM_0, "vin-sm0", dvm, SM0V1, 0, 5, ENA, 1, + TPS6586X_DVM(SM_0, "vin-sm0", tps6586x_dvm, SM0V1, 0, 5, ENA, 1, ENB, 1, TPS6586X_VCC1, BIT(2)), - TPS6586X_DVM(SM_1, "vin-sm1", dvm, SM1V1, 0, 5, ENA, 0, + TPS6586X_DVM(SM_1, "vin-sm1", tps6586x_dvm, SM1V1, 0, 5, ENA, 0, ENB, 0, TPS6586X_VCC1, BIT(0)), }; +static struct tps6586x_regulator tps658623_regulator[] = { + TPS6586X_LDO(SM_2, "vin-sm2", tps658623_sm2, 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(SM_2, "vin-sm2", tps658640_sm2, 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(SM_2, "vin-sm2", tps658643_sm2, SUPPLYV2, 0, 5, ENC, 7, + END, 7), +}; + /* * TPS6586X has 2 enable bits that are OR'ed to determine the actual * regulator state. Clearing one of this bits allows switching @@ -254,11 +326,38 @@ 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: + 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 +397,7 @@ 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; @@ -312,10 +411,8 @@ 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; @@ -347,10 +444,11 @@ 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 +464,23 @@ 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 +490,11 @@ 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) { @@ -411,30 +503,13 @@ 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 = { @@ -443,7 +518,6 @@ static struct platform_driver tps6586x_regulator_driver = { .owner = THIS_MODULE, }, .probe = tps6586x_regulator_probe, - .remove = tps6586x_regulator_remove, }; static int __init tps6586x_regulator_init(void) |