1abd46274SThomas 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
tps65912_regulator_probe(struct platform_device * pdev)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",
153*259b93b2SDouglas Anderson .probe_type = PROBE_PREFER_ASYNCHRONOUS,
15433f9d8c0SAndrew F. Davis },
15533f9d8c0SAndrew F. Davis .probe = tps65912_regulator_probe,
15633f9d8c0SAndrew F. Davis .id_table = tps65912_regulator_id_table,
15733f9d8c0SAndrew F. Davis };
15833f9d8c0SAndrew F. Davis module_platform_driver(tps65912_regulator_driver);
15933f9d8c0SAndrew F. Davis
16033f9d8c0SAndrew F. Davis MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
16133f9d8c0SAndrew F. Davis MODULE_DESCRIPTION("TPS65912 voltage regulator driver");
16233f9d8c0SAndrew F. Davis MODULE_LICENSE("GPL v2");
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