X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=drivers%2Fregulator%2Fact8865-regulator.c;h=afd06f92dfdf006cba0cc282d5e87e0b757bdf9e;hb=d4e1f5a14e17d4f0e8034c0967511884bcb12fba;hp=b92d7dd01a1899356dff99641164380c693a3911;hpb=5575eeb7b9f687ca4899e2d8721a9b17265d0060;p=mirror_ubuntu-zesty-kernel.git diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c index b92d7dd01a18..afd06f92dfdf 100644 --- a/drivers/regulator/act8865-regulator.c +++ b/drivers/regulator/act8865-regulator.c @@ -1,6 +1,7 @@ /* - * act8865-regulator.c - Voltage regulation for the active-semi ACT8865 - * http://www.active-semi.com/sheets/ACT8865_Datasheet.pdf + * act8865-regulator.c - Voltage regulation for active-semi ACT88xx PMUs + * + * http://www.active-semi.com/products/power-management-units/act88xx/ * * Copyright (C) 2013 Atmel Corporation * @@ -27,6 +28,40 @@ #include #include +/* + * ACT8846 Global Register Map. + */ +#define ACT8846_SYS0 0x00 +#define ACT8846_SYS1 0x01 +#define ACT8846_REG1_VSET 0x10 +#define ACT8846_REG1_CTRL 0x12 +#define ACT8846_REG2_VSET0 0x20 +#define ACT8846_REG2_VSET1 0x21 +#define ACT8846_REG2_CTRL 0x22 +#define ACT8846_REG3_VSET0 0x30 +#define ACT8846_REG3_VSET1 0x31 +#define ACT8846_REG3_CTRL 0x32 +#define ACT8846_REG4_VSET0 0x40 +#define ACT8846_REG4_VSET1 0x41 +#define ACT8846_REG4_CTRL 0x42 +#define ACT8846_REG5_VSET 0x50 +#define ACT8846_REG5_CTRL 0x51 +#define ACT8846_REG6_VSET 0x58 +#define ACT8846_REG6_CTRL 0x59 +#define ACT8846_REG7_VSET 0x60 +#define ACT8846_REG7_CTRL 0x61 +#define ACT8846_REG8_VSET 0x68 +#define ACT8846_REG8_CTRL 0x69 +#define ACT8846_REG9_VSET 0x70 +#define ACT8846_REG9_CTRL 0x71 +#define ACT8846_REG10_VSET 0x80 +#define ACT8846_REG10_CTRL 0x81 +#define ACT8846_REG11_VSET 0x90 +#define ACT8846_REG11_CTRL 0x91 +#define ACT8846_REG12_VSET 0xa0 +#define ACT8846_REG12_CTRL 0xa1 +#define ACT8846_REG13_CTRL 0xb1 + /* * ACT8865 Global Register Map. */ @@ -70,7 +105,7 @@ static const struct regmap_config act8865_regmap_config = { .val_bits = 8, }; -static const struct regulator_linear_range act8865_volatge_ranges[] = { +static const struct regulator_linear_range act8865_voltage_ranges[] = { REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000), REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000), REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000), @@ -86,114 +121,70 @@ static struct regulator_ops act8865_ops = { .is_enabled = regulator_is_enabled_regmap, }; -static const struct regulator_desc act8865_reg[] = { - { - .name = "DCDC_REG1", - .id = ACT8865_ID_DCDC1, - .ops = &act8865_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = ACT8865_VOLTAGE_NUM, - .linear_ranges = act8865_volatge_ranges, - .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), - .vsel_reg = ACT8865_DCDC1_VSET1, - .vsel_mask = ACT8865_VSEL_MASK, - .enable_reg = ACT8865_DCDC1_CTRL, - .enable_mask = ACT8865_ENA, - .owner = THIS_MODULE, - }, - { - .name = "DCDC_REG2", - .id = ACT8865_ID_DCDC2, - .ops = &act8865_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = ACT8865_VOLTAGE_NUM, - .linear_ranges = act8865_volatge_ranges, - .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), - .vsel_reg = ACT8865_DCDC2_VSET1, - .vsel_mask = ACT8865_VSEL_MASK, - .enable_reg = ACT8865_DCDC2_CTRL, - .enable_mask = ACT8865_ENA, - .owner = THIS_MODULE, - }, - { - .name = "DCDC_REG3", - .id = ACT8865_ID_DCDC3, - .ops = &act8865_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = ACT8865_VOLTAGE_NUM, - .linear_ranges = act8865_volatge_ranges, - .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), - .vsel_reg = ACT8865_DCDC3_VSET1, - .vsel_mask = ACT8865_VSEL_MASK, - .enable_reg = ACT8865_DCDC3_CTRL, - .enable_mask = ACT8865_ENA, - .owner = THIS_MODULE, - }, - { - .name = "LDO_REG1", - .id = ACT8865_ID_LDO1, - .ops = &act8865_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = ACT8865_VOLTAGE_NUM, - .linear_ranges = act8865_volatge_ranges, - .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), - .vsel_reg = ACT8865_LDO1_VSET, - .vsel_mask = ACT8865_VSEL_MASK, - .enable_reg = ACT8865_LDO1_CTRL, - .enable_mask = ACT8865_ENA, - .owner = THIS_MODULE, - }, - { - .name = "LDO_REG2", - .id = ACT8865_ID_LDO2, - .ops = &act8865_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = ACT8865_VOLTAGE_NUM, - .linear_ranges = act8865_volatge_ranges, - .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), - .vsel_reg = ACT8865_LDO2_VSET, - .vsel_mask = ACT8865_VSEL_MASK, - .enable_reg = ACT8865_LDO2_CTRL, - .enable_mask = ACT8865_ENA, - .owner = THIS_MODULE, - }, - { - .name = "LDO_REG3", - .id = ACT8865_ID_LDO3, - .ops = &act8865_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = ACT8865_VOLTAGE_NUM, - .linear_ranges = act8865_volatge_ranges, - .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), - .vsel_reg = ACT8865_LDO3_VSET, - .vsel_mask = ACT8865_VSEL_MASK, - .enable_reg = ACT8865_LDO3_CTRL, - .enable_mask = ACT8865_ENA, - .owner = THIS_MODULE, - }, - { - .name = "LDO_REG4", - .id = ACT8865_ID_LDO4, - .ops = &act8865_ops, - .type = REGULATOR_VOLTAGE, - .n_voltages = ACT8865_VOLTAGE_NUM, - .linear_ranges = act8865_volatge_ranges, - .n_linear_ranges = ARRAY_SIZE(act8865_volatge_ranges), - .vsel_reg = ACT8865_LDO4_VSET, - .vsel_mask = ACT8865_VSEL_MASK, - .enable_reg = ACT8865_LDO4_CTRL, - .enable_mask = ACT8865_ENA, - .owner = THIS_MODULE, - }, +#define ACT88xx_REG(_name, _family, _id, _vsel_reg) \ + [_family##_ID_##_id] = { \ + .name = _name, \ + .id = _family##_ID_##_id, \ + .type = REGULATOR_VOLTAGE, \ + .ops = &act8865_ops, \ + .n_voltages = ACT8865_VOLTAGE_NUM, \ + .linear_ranges = act8865_voltage_ranges, \ + .n_linear_ranges = ARRAY_SIZE(act8865_voltage_ranges), \ + .vsel_reg = _family##_##_id##_##_vsel_reg, \ + .vsel_mask = ACT8865_VSEL_MASK, \ + .enable_reg = _family##_##_id##_CTRL, \ + .enable_mask = ACT8865_ENA, \ + .owner = THIS_MODULE, \ + } + +static const struct regulator_desc act8846_regulators[] = { + ACT88xx_REG("REG1", ACT8846, REG1, VSET), + ACT88xx_REG("REG2", ACT8846, REG2, VSET0), + ACT88xx_REG("REG3", ACT8846, REG3, VSET0), + ACT88xx_REG("REG4", ACT8846, REG4, VSET0), + ACT88xx_REG("REG5", ACT8846, REG5, VSET), + ACT88xx_REG("REG6", ACT8846, REG6, VSET), + ACT88xx_REG("REG7", ACT8846, REG7, VSET), + ACT88xx_REG("REG8", ACT8846, REG8, VSET), + ACT88xx_REG("REG9", ACT8846, REG9, VSET), + ACT88xx_REG("REG10", ACT8846, REG10, VSET), + ACT88xx_REG("REG11", ACT8846, REG11, VSET), + ACT88xx_REG("REG12", ACT8846, REG12, VSET), +}; + +static const struct regulator_desc act8865_regulators[] = { + ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET1), + ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET1), + ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET1), + ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET), + ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET), + ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET), + ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET), }; #ifdef CONFIG_OF static const struct of_device_id act8865_dt_ids[] = { - { .compatible = "active-semi,act8865" }, + { .compatible = "active-semi,act8846", .data = (void *)ACT8846 }, + { .compatible = "active-semi,act8865", .data = (void *)ACT8865 }, { } }; MODULE_DEVICE_TABLE(of, act8865_dt_ids); +static struct of_regulator_match act8846_matches[] = { + [ACT8846_ID_REG1] = { .name = "REG1" }, + [ACT8846_ID_REG2] = { .name = "REG2" }, + [ACT8846_ID_REG3] = { .name = "REG3" }, + [ACT8846_ID_REG4] = { .name = "REG4" }, + [ACT8846_ID_REG5] = { .name = "REG5" }, + [ACT8846_ID_REG6] = { .name = "REG6" }, + [ACT8846_ID_REG7] = { .name = "REG7" }, + [ACT8846_ID_REG8] = { .name = "REG8" }, + [ACT8846_ID_REG9] = { .name = "REG9" }, + [ACT8846_ID_REG10] = { .name = "REG10" }, + [ACT8846_ID_REG11] = { .name = "REG11" }, + [ACT8846_ID_REG12] = { .name = "REG12" }, +}; + static struct of_regulator_match act8865_matches[] = { [ACT8865_ID_DCDC1] = { .name = "DCDC_REG1"}, [ACT8865_ID_DCDC2] = { .name = "DCDC_REG2"}, @@ -206,11 +197,13 @@ static struct of_regulator_match act8865_matches[] = { static int act8865_pdata_from_dt(struct device *dev, struct device_node **of_node, - struct act8865_platform_data *pdata) + struct act8865_platform_data *pdata, + unsigned long type) { - int matched, i; + int matched, i, num_matches; struct device_node *np; struct act8865_regulator_data *regulator; + struct of_regulator_match *matches; np = of_get_child_by_name(dev->of_node, "regulators"); if (!np) { @@ -218,26 +211,39 @@ static int act8865_pdata_from_dt(struct device *dev, return -EINVAL; } - matched = of_regulator_match(dev, np, - act8865_matches, ARRAY_SIZE(act8865_matches)); + switch (type) { + case ACT8846: + matches = act8846_matches; + num_matches = ARRAY_SIZE(act8846_matches); + break; + case ACT8865: + matches = act8865_matches; + num_matches = ARRAY_SIZE(act8865_matches); + break; + default: + dev_err(dev, "invalid device id %lu\n", type); + return -EINVAL; + } + + matched = of_regulator_match(dev, np, matches, num_matches); of_node_put(np); if (matched <= 0) return matched; pdata->regulators = devm_kzalloc(dev, - sizeof(struct act8865_regulator_data) * - ARRAY_SIZE(act8865_matches), GFP_KERNEL); + sizeof(struct act8865_regulator_data) * + num_matches, GFP_KERNEL); if (!pdata->regulators) return -ENOMEM; - pdata->num_regulators = matched; + pdata->num_regulators = num_matches; regulator = pdata->regulators; - for (i = 0; i < ARRAY_SIZE(act8865_matches); i++) { + for (i = 0; i < num_matches; i++) { regulator->id = i; - regulator->name = act8865_matches[i].name; - regulator->platform_data = act8865_matches[i].init_data; - of_node[i] = act8865_matches[i].of_node; + regulator->name = matches[i].name; + regulator->platform_data = matches[i].init_data; + of_node[i] = matches[i].of_node; regulator++; } @@ -246,42 +252,84 @@ static int act8865_pdata_from_dt(struct device *dev, #else static inline int act8865_pdata_from_dt(struct device *dev, struct device_node **of_node, - struct act8865_platform_data *pdata) + struct act8865_platform_data *pdata, + unsigned long type) { return 0; } #endif +static struct regulator_init_data +*act8865_get_init_data(int id, struct act8865_platform_data *pdata) +{ + int i; + + if (!pdata) + return NULL; + + for (i = 0; i < pdata->num_regulators; i++) { + if (pdata->regulators[i].id == id) + return pdata->regulators[i].platform_data; + } + + return NULL; +} + static int act8865_pmic_probe(struct i2c_client *client, - const struct i2c_device_id *i2c_id) + const struct i2c_device_id *i2c_id) { - struct regulator_dev *rdev; + static const struct regulator_desc *regulators; + struct act8865_platform_data pdata_of, *pdata; struct device *dev = &client->dev; - struct act8865_platform_data *pdata = dev_get_platdata(dev); - struct regulator_config config = { }; + struct device_node **of_node; + int i, ret, num_regulators; struct act8865 *act8865; - struct device_node *of_node[ACT8865_REG_NUM]; - int i, id; - int ret = -EINVAL; - int error; + unsigned long type; + + pdata = dev_get_platdata(dev); if (dev->of_node && !pdata) { const struct of_device_id *id; - struct act8865_platform_data pdata_of; id = of_match_device(of_match_ptr(act8865_dt_ids), dev); if (!id) return -ENODEV; - ret = act8865_pdata_from_dt(dev, of_node, &pdata_of); + type = (unsigned long) id->data; + } else { + type = i2c_id->driver_data; + } + + switch (type) { + case ACT8846: + regulators = act8846_regulators; + num_regulators = ARRAY_SIZE(act8846_regulators); + break; + case ACT8865: + regulators = act8865_regulators; + num_regulators = ARRAY_SIZE(act8865_regulators); + break; + default: + dev_err(dev, "invalid device id %lu\n", type); + return -EINVAL; + } + + of_node = devm_kzalloc(dev, sizeof(struct device_node *) * + num_regulators, GFP_KERNEL); + if (!of_node) + return -ENOMEM; + + if (dev->of_node && !pdata) { + ret = act8865_pdata_from_dt(dev, of_node, &pdata_of, type); if (ret < 0) return ret; pdata = &pdata_of; } - if (pdata->num_regulators > ACT8865_REG_NUM) { - dev_err(dev, "Too many regulators found!\n"); + if (pdata->num_regulators > num_regulators) { + dev_err(dev, "too many regulators: %d\n", + pdata->num_regulators); return -EINVAL; } @@ -291,39 +339,40 @@ static int act8865_pmic_probe(struct i2c_client *client, act8865->regmap = devm_regmap_init_i2c(client, &act8865_regmap_config); if (IS_ERR(act8865->regmap)) { - error = PTR_ERR(act8865->regmap); + ret = PTR_ERR(act8865->regmap); dev_err(&client->dev, "Failed to allocate register map: %d\n", - error); - return error; + ret); + return ret; } /* Finally register devices */ - for (i = 0; i < ACT8865_REG_NUM; i++) { - - id = pdata->regulators[i].id; + for (i = 0; i < num_regulators; i++) { + const struct regulator_desc *desc = ®ulators[i]; + struct regulator_config config = { }; + struct regulator_dev *rdev; config.dev = dev; - config.init_data = pdata->regulators[i].platform_data; + config.init_data = act8865_get_init_data(desc->id, pdata); config.of_node = of_node[i]; config.driver_data = act8865; config.regmap = act8865->regmap; - rdev = devm_regulator_register(&client->dev, &act8865_reg[i], - &config); + rdev = devm_regulator_register(&client->dev, desc, &config); if (IS_ERR(rdev)) { - dev_err(dev, "failed to register %s\n", - act8865_reg[id].name); + dev_err(dev, "failed to register %s\n", desc->name); return PTR_ERR(rdev); } } i2c_set_clientdata(client, act8865); + devm_kfree(dev, of_node); return 0; } static const struct i2c_device_id act8865_ids[] = { - { "act8865", 0 }, + { .name = "act8846", .driver_data = ACT8846 }, + { .name = "act8865", .driver_data = ACT8865 }, { }, }; MODULE_DEVICE_TABLE(i2c, act8865_ids); @@ -339,6 +388,6 @@ static struct i2c_driver act8865_pmic_driver = { module_i2c_driver(act8865_pmic_driver); -MODULE_DESCRIPTION("active-semi act8865 voltage regulator driver"); +MODULE_DESCRIPTION("active-semi act88xx voltage regulator driver"); MODULE_AUTHOR("Wenyou Yang "); MODULE_LICENSE("GPL v2");