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abd4627475
Based on the normalized pattern:
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 this program is distributed
as is without any warranty of any kind whether expressed or implied
without even the implied warranty of merchantability or fitness for a
particular purpose see the gnu general public license version 2 for
more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
161 lines
5.2 KiB
C
161 lines
5.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Regulator driver for TI TPS65912x PMICs
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*
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* Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
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* Andrew F. Davis <afd@ti.com>
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*
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* Based on the TPS65218 driver and the previous TPS65912 driver by
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* Margarita Olaya Cabrera <magi@slimlogic.co.uk>
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*/
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#include <linux/module.h>
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#include <linux/mod_devicetable.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/driver.h>
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#include <linux/mfd/tps65912.h>
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enum tps65912_regulators { DCDC1, DCDC2, DCDC3, DCDC4, LDO1, LDO2, LDO3,
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LDO4, LDO5, LDO6, LDO7, LDO8, LDO9, LDO10 };
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#define TPS65912_REGULATOR(_name, _id, _of_match, _ops, _vr, _er, _lr) \
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[_id] = { \
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.name = _name, \
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.of_match = _of_match, \
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.regulators_node = "regulators", \
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.id = _id, \
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.ops = &_ops, \
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.n_voltages = 64, \
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.type = REGULATOR_VOLTAGE, \
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.owner = THIS_MODULE, \
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.vsel_reg = _vr, \
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.vsel_mask = 0x3f, \
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.enable_reg = _er, \
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.enable_mask = BIT(7), \
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.volt_table = NULL, \
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.linear_ranges = _lr, \
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.n_linear_ranges = ARRAY_SIZE(_lr), \
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}
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static const struct linear_range tps65912_dcdc_ranges[] = {
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REGULATOR_LINEAR_RANGE(500000, 0x0, 0x3f, 50000),
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};
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static const struct linear_range tps65912_ldo_ranges[] = {
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REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 25000),
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REGULATOR_LINEAR_RANGE(1650000, 0x21, 0x3c, 50000),
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REGULATOR_LINEAR_RANGE(3100000, 0x3d, 0x3f, 100000),
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};
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/* Operations permitted on DCDCx */
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static const struct regulator_ops tps65912_ops_dcdc = {
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.is_enabled = regulator_is_enabled_regmap,
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.list_voltage = regulator_list_voltage_linear_range,
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};
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/* Operations permitted on LDOx */
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static const struct regulator_ops tps65912_ops_ldo = {
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.is_enabled = regulator_is_enabled_regmap,
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.list_voltage = regulator_list_voltage_linear_range,
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.map_voltage = regulator_map_voltage_linear_range,
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};
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static const struct regulator_desc regulators[] = {
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TPS65912_REGULATOR("DCDC1", DCDC1, "dcdc1", tps65912_ops_dcdc,
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TPS65912_DCDC1_OP, TPS65912_DCDC1_CTRL,
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tps65912_dcdc_ranges),
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TPS65912_REGULATOR("DCDC2", DCDC2, "dcdc2", tps65912_ops_dcdc,
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TPS65912_DCDC2_OP, TPS65912_DCDC2_CTRL,
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tps65912_dcdc_ranges),
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TPS65912_REGULATOR("DCDC3", DCDC3, "dcdc3", tps65912_ops_dcdc,
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TPS65912_DCDC3_OP, TPS65912_DCDC3_CTRL,
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tps65912_dcdc_ranges),
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TPS65912_REGULATOR("DCDC4", DCDC4, "dcdc4", tps65912_ops_dcdc,
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TPS65912_DCDC4_OP, TPS65912_DCDC4_CTRL,
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tps65912_dcdc_ranges),
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TPS65912_REGULATOR("LDO1", LDO1, "ldo1", tps65912_ops_ldo,
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TPS65912_LDO1_OP, TPS65912_LDO1_AVS,
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tps65912_ldo_ranges),
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TPS65912_REGULATOR("LDO2", LDO2, "ldo2", tps65912_ops_ldo,
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TPS65912_LDO2_OP, TPS65912_LDO2_AVS,
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tps65912_ldo_ranges),
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TPS65912_REGULATOR("LDO3", LDO3, "ldo3", tps65912_ops_ldo,
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TPS65912_LDO3_OP, TPS65912_LDO3_AVS,
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tps65912_ldo_ranges),
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TPS65912_REGULATOR("LDO4", LDO4, "ldo4", tps65912_ops_ldo,
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TPS65912_LDO4_OP, TPS65912_LDO4_AVS,
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tps65912_ldo_ranges),
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TPS65912_REGULATOR("LDO5", LDO5, "ldo5", tps65912_ops_ldo,
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TPS65912_LDO5, TPS65912_LDO5,
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tps65912_ldo_ranges),
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TPS65912_REGULATOR("LDO6", LDO6, "ldo6", tps65912_ops_ldo,
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TPS65912_LDO6, TPS65912_LDO6,
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tps65912_ldo_ranges),
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TPS65912_REGULATOR("LDO7", LDO7, "ldo7", tps65912_ops_ldo,
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TPS65912_LDO7, TPS65912_LDO7,
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tps65912_ldo_ranges),
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TPS65912_REGULATOR("LDO8", LDO8, "ldo8", tps65912_ops_ldo,
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TPS65912_LDO8, TPS65912_LDO8,
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tps65912_ldo_ranges),
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TPS65912_REGULATOR("LDO9", LDO9, "ldo9", tps65912_ops_ldo,
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TPS65912_LDO9, TPS65912_LDO9,
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tps65912_ldo_ranges),
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TPS65912_REGULATOR("LDO10", LDO10, "ldo10", tps65912_ops_ldo,
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TPS65912_LDO10, TPS65912_LDO10,
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tps65912_ldo_ranges),
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};
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static int tps65912_regulator_probe(struct platform_device *pdev)
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{
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struct tps65912 *tps = dev_get_drvdata(pdev->dev.parent);
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struct regulator_config config = { };
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struct regulator_dev *rdev;
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int i;
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platform_set_drvdata(pdev, tps);
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config.dev = &pdev->dev;
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config.driver_data = tps;
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config.dev->of_node = tps->dev->of_node;
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config.regmap = tps->regmap;
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for (i = 0; i < ARRAY_SIZE(regulators); i++) {
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rdev = devm_regulator_register(&pdev->dev, ®ulators[i],
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&config);
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if (IS_ERR(rdev)) {
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dev_err(tps->dev, "failed to register %s regulator\n",
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pdev->name);
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return PTR_ERR(rdev);
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}
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}
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return 0;
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}
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static const struct platform_device_id tps65912_regulator_id_table[] = {
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{ "tps65912-regulator", },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(platform, tps65912_regulator_id_table);
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static struct platform_driver tps65912_regulator_driver = {
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.driver = {
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.name = "tps65912-regulator",
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},
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.probe = tps65912_regulator_probe,
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.id_table = tps65912_regulator_id_table,
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};
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module_platform_driver(tps65912_regulator_driver);
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MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
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MODULE_DESCRIPTION("TPS65912 voltage regulator driver");
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MODULE_LICENSE("GPL v2");
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