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123 lines
3.7 KiB
123 lines
3.7 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* NXP PCF50633 PMIC Driver |
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* |
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* (C) 2006-2008 by Openmoko, Inc. |
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* Author: Balaji Rao <[email protected]> |
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* All rights reserved. |
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* |
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* Broken down from monstrous PCF50633 driver mainly by |
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* Harald Welte and Andy Green and Werner Almesberger |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/init.h> |
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#include <linux/device.h> |
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#include <linux/err.h> |
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#include <linux/platform_device.h> |
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#include <linux/mfd/pcf50633/core.h> |
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#include <linux/mfd/pcf50633/pmic.h> |
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#define PCF50633_REGULATOR(_name, _id, _min_uV, _uV_step, _min_sel, _n) \ |
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{ \ |
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.name = _name, \ |
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.id = PCF50633_REGULATOR_##_id, \ |
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.ops = &pcf50633_regulator_ops, \ |
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.n_voltages = _n, \ |
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.min_uV = _min_uV, \ |
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.uV_step = _uV_step, \ |
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.linear_min_sel = _min_sel, \ |
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.type = REGULATOR_VOLTAGE, \ |
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.owner = THIS_MODULE, \ |
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.vsel_reg = PCF50633_REG_##_id##OUT, \ |
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.vsel_mask = 0xff, \ |
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.enable_reg = PCF50633_REG_##_id##OUT + 1, \ |
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.enable_mask = PCF50633_REGULATOR_ON, \ |
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} |
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static const struct regulator_ops pcf50633_regulator_ops = { |
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.set_voltage_sel = regulator_set_voltage_sel_regmap, |
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.get_voltage_sel = regulator_get_voltage_sel_regmap, |
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.list_voltage = regulator_list_voltage_linear, |
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.map_voltage = regulator_map_voltage_linear, |
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.enable = regulator_enable_regmap, |
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.disable = regulator_disable_regmap, |
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.is_enabled = regulator_is_enabled_regmap, |
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}; |
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static const struct regulator_desc regulators[] = { |
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[PCF50633_REGULATOR_AUTO] = |
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PCF50633_REGULATOR("auto", AUTO, 1800000, 25000, 0x2f, 128), |
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[PCF50633_REGULATOR_DOWN1] = |
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PCF50633_REGULATOR("down1", DOWN1, 625000, 25000, 0, 96), |
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[PCF50633_REGULATOR_DOWN2] = |
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PCF50633_REGULATOR("down2", DOWN2, 625000, 25000, 0, 96), |
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[PCF50633_REGULATOR_LDO1] = |
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PCF50633_REGULATOR("ldo1", LDO1, 900000, 100000, 0, 28), |
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[PCF50633_REGULATOR_LDO2] = |
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PCF50633_REGULATOR("ldo2", LDO2, 900000, 100000, 0, 28), |
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[PCF50633_REGULATOR_LDO3] = |
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PCF50633_REGULATOR("ldo3", LDO3, 900000, 100000, 0, 28), |
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[PCF50633_REGULATOR_LDO4] = |
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PCF50633_REGULATOR("ldo4", LDO4, 900000, 100000, 0, 28), |
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[PCF50633_REGULATOR_LDO5] = |
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PCF50633_REGULATOR("ldo5", LDO5, 900000, 100000, 0, 28), |
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[PCF50633_REGULATOR_LDO6] = |
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PCF50633_REGULATOR("ldo6", LDO6, 900000, 100000, 0, 28), |
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[PCF50633_REGULATOR_HCLDO] = |
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PCF50633_REGULATOR("hcldo", HCLDO, 900000, 100000, 0, 28), |
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[PCF50633_REGULATOR_MEMLDO] = |
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PCF50633_REGULATOR("memldo", MEMLDO, 900000, 100000, 0, 28), |
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}; |
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static int pcf50633_regulator_probe(struct platform_device *pdev) |
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{ |
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struct regulator_dev *rdev; |
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struct pcf50633 *pcf; |
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struct regulator_config config = { }; |
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/* Already set by core driver */ |
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pcf = dev_to_pcf50633(pdev->dev.parent); |
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config.dev = &pdev->dev; |
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config.init_data = dev_get_platdata(&pdev->dev); |
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config.driver_data = pcf; |
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config.regmap = pcf->regmap; |
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rdev = devm_regulator_register(&pdev->dev, ®ulators[pdev->id], |
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&config); |
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if (IS_ERR(rdev)) |
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return PTR_ERR(rdev); |
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platform_set_drvdata(pdev, rdev); |
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if (pcf->pdata->regulator_registered) |
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pcf->pdata->regulator_registered(pcf, pdev->id); |
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return 0; |
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} |
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static struct platform_driver pcf50633_regulator_driver = { |
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.driver = { |
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.name = "pcf50633-regulator", |
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}, |
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.probe = pcf50633_regulator_probe, |
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}; |
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static int __init pcf50633_regulator_init(void) |
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{ |
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return platform_driver_register(&pcf50633_regulator_driver); |
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} |
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subsys_initcall(pcf50633_regulator_init); |
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static void __exit pcf50633_regulator_exit(void) |
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{ |
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platform_driver_unregister(&pcf50633_regulator_driver); |
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} |
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module_exit(pcf50633_regulator_exit); |
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MODULE_AUTHOR("Balaji Rao <[email protected]>"); |
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MODULE_DESCRIPTION("PCF50633 regulator driver"); |
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MODULE_LICENSE("GPL"); |
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MODULE_ALIAS("platform:pcf50633-regulator");
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