1*abd46274SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 233f9d8c0SAndrew F. Davis /* 333f9d8c0SAndrew F. Davis * Regulator driver for TI TPS65912x PMICs 433f9d8c0SAndrew F. Davis * 52ca76b3eSAlexander A. Klimov * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/ 633f9d8c0SAndrew F. Davis * Andrew F. Davis <afd@ti.com> 733f9d8c0SAndrew F. Davis * 833f9d8c0SAndrew F. Davis * Based on the TPS65218 driver and the previous TPS65912 driver by 933f9d8c0SAndrew F. Davis * Margarita Olaya Cabrera <magi@slimlogic.co.uk> 1033f9d8c0SAndrew F. Davis */ 1133f9d8c0SAndrew F. Davis 1233f9d8c0SAndrew F. Davis #include <linux/module.h> 13ac316725SRandy Dunlap #include <linux/mod_devicetable.h> 1433f9d8c0SAndrew F. Davis #include <linux/platform_device.h> 1533f9d8c0SAndrew F. Davis #include <linux/regulator/driver.h> 1633f9d8c0SAndrew F. Davis 1733f9d8c0SAndrew F. Davis #include <linux/mfd/tps65912.h> 1833f9d8c0SAndrew F. Davis 1933f9d8c0SAndrew F. Davis enum tps65912_regulators { DCDC1, DCDC2, DCDC3, DCDC4, LDO1, LDO2, LDO3, 2033f9d8c0SAndrew F. Davis LDO4, LDO5, LDO6, LDO7, LDO8, LDO9, LDO10 }; 2133f9d8c0SAndrew F. Davis 2233f9d8c0SAndrew F. Davis #define TPS65912_REGULATOR(_name, _id, _of_match, _ops, _vr, _er, _lr) \ 2333f9d8c0SAndrew F. Davis [_id] = { \ 2433f9d8c0SAndrew F. Davis .name = _name, \ 2533f9d8c0SAndrew F. Davis .of_match = _of_match, \ 2633f9d8c0SAndrew F. Davis .regulators_node = "regulators", \ 2733f9d8c0SAndrew F. Davis .id = _id, \ 2833f9d8c0SAndrew F. Davis .ops = &_ops, \ 2933f9d8c0SAndrew F. Davis .n_voltages = 64, \ 3033f9d8c0SAndrew F. Davis .type = REGULATOR_VOLTAGE, \ 3133f9d8c0SAndrew F. Davis .owner = THIS_MODULE, \ 3233f9d8c0SAndrew F. Davis .vsel_reg = _vr, \ 3333f9d8c0SAndrew F. Davis .vsel_mask = 0x3f, \ 3433f9d8c0SAndrew F. Davis .enable_reg = _er, \ 3533f9d8c0SAndrew F. Davis .enable_mask = BIT(7), \ 3633f9d8c0SAndrew F. Davis .volt_table = NULL, \ 3733f9d8c0SAndrew F. Davis .linear_ranges = _lr, \ 3833f9d8c0SAndrew F. Davis .n_linear_ranges = ARRAY_SIZE(_lr), \ 3933f9d8c0SAndrew F. Davis } 4033f9d8c0SAndrew F. Davis 4160ab7f41SMatti Vaittinen static const struct linear_range tps65912_dcdc_ranges[] = { 4233f9d8c0SAndrew F. Davis REGULATOR_LINEAR_RANGE(500000, 0x0, 0x3f, 50000), 4333f9d8c0SAndrew F. Davis }; 4433f9d8c0SAndrew F. Davis 4560ab7f41SMatti Vaittinen static const struct linear_range tps65912_ldo_ranges[] = { 4633f9d8c0SAndrew F. Davis REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 25000), 4733f9d8c0SAndrew F. Davis REGULATOR_LINEAR_RANGE(1650000, 0x21, 0x3c, 50000), 4833f9d8c0SAndrew F. Davis REGULATOR_LINEAR_RANGE(3100000, 0x3d, 0x3f, 100000), 4933f9d8c0SAndrew F. Davis }; 5033f9d8c0SAndrew F. Davis 5133f9d8c0SAndrew F. Davis /* Operations permitted on DCDCx */ 52e92b8ef8SRikard Falkeborn static const struct regulator_ops tps65912_ops_dcdc = { 5333f9d8c0SAndrew F. Davis .is_enabled = regulator_is_enabled_regmap, 5433f9d8c0SAndrew F. Davis .enable = regulator_enable_regmap, 5533f9d8c0SAndrew F. Davis .disable = regulator_disable_regmap, 5633f9d8c0SAndrew F. Davis .get_voltage_sel = regulator_get_voltage_sel_regmap, 5733f9d8c0SAndrew F. Davis .set_voltage_sel = regulator_set_voltage_sel_regmap, 5833f9d8c0SAndrew F. Davis .list_voltage = regulator_list_voltage_linear_range, 5933f9d8c0SAndrew F. Davis }; 6033f9d8c0SAndrew F. Davis 6133f9d8c0SAndrew F. Davis /* Operations permitted on LDOx */ 62e92b8ef8SRikard Falkeborn static const struct regulator_ops tps65912_ops_ldo = { 6333f9d8c0SAndrew F. Davis .is_enabled = regulator_is_enabled_regmap, 6433f9d8c0SAndrew F. Davis .enable = regulator_enable_regmap, 6533f9d8c0SAndrew F. Davis .disable = regulator_disable_regmap, 6633f9d8c0SAndrew F. Davis .get_voltage_sel = regulator_get_voltage_sel_regmap, 6733f9d8c0SAndrew F. Davis .set_voltage_sel = regulator_set_voltage_sel_regmap, 6833f9d8c0SAndrew F. Davis .list_voltage = regulator_list_voltage_linear_range, 6933f9d8c0SAndrew F. Davis .map_voltage = regulator_map_voltage_linear_range, 7033f9d8c0SAndrew F. Davis }; 7133f9d8c0SAndrew F. Davis 7233f9d8c0SAndrew F. Davis static const struct regulator_desc regulators[] = { 7333f9d8c0SAndrew F. Davis TPS65912_REGULATOR("DCDC1", DCDC1, "dcdc1", tps65912_ops_dcdc, 7433f9d8c0SAndrew F. Davis TPS65912_DCDC1_OP, TPS65912_DCDC1_CTRL, 7533f9d8c0SAndrew F. Davis tps65912_dcdc_ranges), 7633f9d8c0SAndrew F. Davis TPS65912_REGULATOR("DCDC2", DCDC2, "dcdc2", tps65912_ops_dcdc, 7733f9d8c0SAndrew F. Davis TPS65912_DCDC2_OP, TPS65912_DCDC2_CTRL, 7833f9d8c0SAndrew F. Davis tps65912_dcdc_ranges), 7933f9d8c0SAndrew F. Davis TPS65912_REGULATOR("DCDC3", DCDC3, "dcdc3", tps65912_ops_dcdc, 8033f9d8c0SAndrew F. Davis TPS65912_DCDC3_OP, TPS65912_DCDC3_CTRL, 8133f9d8c0SAndrew F. Davis tps65912_dcdc_ranges), 8233f9d8c0SAndrew F. Davis TPS65912_REGULATOR("DCDC4", DCDC4, "dcdc4", tps65912_ops_dcdc, 8333f9d8c0SAndrew F. Davis TPS65912_DCDC4_OP, TPS65912_DCDC4_CTRL, 8433f9d8c0SAndrew F. Davis tps65912_dcdc_ranges), 8533f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO1", LDO1, "ldo1", tps65912_ops_ldo, 8633f9d8c0SAndrew F. Davis TPS65912_LDO1_OP, TPS65912_LDO1_AVS, 8733f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 8833f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO2", LDO2, "ldo2", tps65912_ops_ldo, 8933f9d8c0SAndrew F. Davis TPS65912_LDO2_OP, TPS65912_LDO2_AVS, 9033f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 9133f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO3", LDO3, "ldo3", tps65912_ops_ldo, 9233f9d8c0SAndrew F. Davis TPS65912_LDO3_OP, TPS65912_LDO3_AVS, 9333f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 9433f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO4", LDO4, "ldo4", tps65912_ops_ldo, 9533f9d8c0SAndrew F. Davis TPS65912_LDO4_OP, TPS65912_LDO4_AVS, 9633f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 9733f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO5", LDO5, "ldo5", tps65912_ops_ldo, 9833f9d8c0SAndrew F. Davis TPS65912_LDO5, TPS65912_LDO5, 9933f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 10033f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO6", LDO6, "ldo6", tps65912_ops_ldo, 10133f9d8c0SAndrew F. Davis TPS65912_LDO6, TPS65912_LDO6, 10233f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 10333f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO7", LDO7, "ldo7", tps65912_ops_ldo, 10433f9d8c0SAndrew F. Davis TPS65912_LDO7, TPS65912_LDO7, 10533f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 10633f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO8", LDO8, "ldo8", tps65912_ops_ldo, 10733f9d8c0SAndrew F. Davis TPS65912_LDO8, TPS65912_LDO8, 10833f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 10933f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO9", LDO9, "ldo9", tps65912_ops_ldo, 11033f9d8c0SAndrew F. Davis TPS65912_LDO9, TPS65912_LDO9, 11133f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 11233f9d8c0SAndrew F. Davis TPS65912_REGULATOR("LDO10", LDO10, "ldo10", tps65912_ops_ldo, 11333f9d8c0SAndrew F. Davis TPS65912_LDO10, TPS65912_LDO10, 11433f9d8c0SAndrew F. Davis tps65912_ldo_ranges), 11533f9d8c0SAndrew F. Davis }; 11633f9d8c0SAndrew F. Davis 11733f9d8c0SAndrew F. Davis static int tps65912_regulator_probe(struct platform_device *pdev) 11833f9d8c0SAndrew F. Davis { 11933f9d8c0SAndrew F. Davis struct tps65912 *tps = dev_get_drvdata(pdev->dev.parent); 12033f9d8c0SAndrew F. Davis struct regulator_config config = { }; 12133f9d8c0SAndrew F. Davis struct regulator_dev *rdev; 12233f9d8c0SAndrew F. Davis int i; 12333f9d8c0SAndrew F. Davis 12433f9d8c0SAndrew F. Davis platform_set_drvdata(pdev, tps); 12533f9d8c0SAndrew F. Davis 12633f9d8c0SAndrew F. Davis config.dev = &pdev->dev; 12733f9d8c0SAndrew F. Davis config.driver_data = tps; 12833f9d8c0SAndrew F. Davis config.dev->of_node = tps->dev->of_node; 12933f9d8c0SAndrew F. Davis config.regmap = tps->regmap; 13033f9d8c0SAndrew F. Davis 13133f9d8c0SAndrew F. Davis for (i = 0; i < ARRAY_SIZE(regulators); i++) { 13233f9d8c0SAndrew F. Davis rdev = devm_regulator_register(&pdev->dev, ®ulators[i], 13333f9d8c0SAndrew F. Davis &config); 13433f9d8c0SAndrew F. Davis if (IS_ERR(rdev)) { 13533f9d8c0SAndrew F. Davis dev_err(tps->dev, "failed to register %s regulator\n", 13633f9d8c0SAndrew F. Davis pdev->name); 13733f9d8c0SAndrew F. Davis return PTR_ERR(rdev); 13833f9d8c0SAndrew F. Davis } 13933f9d8c0SAndrew F. Davis } 14033f9d8c0SAndrew F. Davis 14133f9d8c0SAndrew F. Davis return 0; 14233f9d8c0SAndrew F. Davis } 14333f9d8c0SAndrew F. Davis 14433f9d8c0SAndrew F. Davis static const struct platform_device_id tps65912_regulator_id_table[] = { 14533f9d8c0SAndrew F. Davis { "tps65912-regulator", }, 14633f9d8c0SAndrew F. Davis { /* sentinel */ } 14733f9d8c0SAndrew F. Davis }; 14833f9d8c0SAndrew F. Davis MODULE_DEVICE_TABLE(platform, tps65912_regulator_id_table); 14933f9d8c0SAndrew F. Davis 15033f9d8c0SAndrew F. Davis static struct platform_driver tps65912_regulator_driver = { 15133f9d8c0SAndrew F. Davis .driver = { 15233f9d8c0SAndrew F. Davis .name = "tps65912-regulator", 15333f9d8c0SAndrew F. Davis }, 15433f9d8c0SAndrew F. Davis .probe = tps65912_regulator_probe, 15533f9d8c0SAndrew F. Davis .id_table = tps65912_regulator_id_table, 15633f9d8c0SAndrew F. Davis }; 15733f9d8c0SAndrew F. Davis module_platform_driver(tps65912_regulator_driver); 15833f9d8c0SAndrew F. Davis 15933f9d8c0SAndrew F. Davis MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); 16033f9d8c0SAndrew F. Davis MODULE_DESCRIPTION("TPS65912 voltage regulator driver"); 16133f9d8c0SAndrew F. Davis MODULE_LICENSE("GPL v2"); 162