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154 lines
5.4 KiB
154 lines
5.4 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Regulator driver for Ricoh RN5T618 PMIC |
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* |
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* Copyright (C) 2014 Beniamino Galvani <[email protected]> |
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*/ |
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#include <linux/mfd/rn5t618.h> |
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#include <linux/module.h> |
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#include <linux/of.h> |
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#include <linux/platform_device.h> |
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#include <linux/regmap.h> |
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#include <linux/regulator/driver.h> |
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#include <linux/regulator/of_regulator.h> |
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static const struct regulator_ops rn5t618_reg_ops = { |
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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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.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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}; |
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#define REG(rid, ereg, emask, vreg, vmask, min, max, step) \ |
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{ \ |
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.name = #rid, \ |
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.of_match = of_match_ptr(#rid), \ |
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.regulators_node = of_match_ptr("regulators"), \ |
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.id = RN5T618_##rid, \ |
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.type = REGULATOR_VOLTAGE, \ |
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.owner = THIS_MODULE, \ |
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.ops = &rn5t618_reg_ops, \ |
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.n_voltages = ((max) - (min)) / (step) + 1, \ |
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.min_uV = (min), \ |
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.uV_step = (step), \ |
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.enable_reg = RN5T618_##ereg, \ |
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.enable_mask = (emask), \ |
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.vsel_reg = RN5T618_##vreg, \ |
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.vsel_mask = (vmask), \ |
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} |
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static const struct regulator_desc rn5t567_regulators[] = { |
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/* DCDC */ |
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REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500), |
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REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500), |
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REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500), |
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REG(DCDC4, DC4CTL, BIT(0), DC4DAC, 0xff, 600000, 3500000, 12500), |
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/* LDO */ |
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REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 600000, 3500000, 25000), |
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REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 900000, 3500000, 25000), |
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/* LDO RTC */ |
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REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1200000, 3500000, 25000), |
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REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000), |
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}; |
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static const struct regulator_desc rn5t618_regulators[] = { |
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/* DCDC */ |
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REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500), |
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REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500), |
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REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500), |
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/* LDO */ |
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REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 600000, 3500000, 25000), |
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REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 900000, 3500000, 25000), |
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/* LDO RTC */ |
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REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1700000, 3500000, 25000), |
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REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000), |
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}; |
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static const struct regulator_desc rc5t619_regulators[] = { |
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/* DCDC */ |
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REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500), |
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REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500), |
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REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500), |
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REG(DCDC4, DC4CTL, BIT(0), DC4DAC, 0xff, 600000, 3500000, 12500), |
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REG(DCDC5, DC5CTL, BIT(0), DC5DAC, 0xff, 600000, 3500000, 12500), |
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/* LDO */ |
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REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 600000, 3500000, 25000), |
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REG(LDO6, LDOEN1, BIT(5), LDO6DAC, 0x7f, 600000, 3500000, 25000), |
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REG(LDO7, LDOEN1, BIT(6), LDO7DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO8, LDOEN1, BIT(7), LDO8DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO9, LDOEN2, BIT(0), LDO9DAC, 0x7f, 900000, 3500000, 25000), |
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REG(LDO10, LDOEN2, BIT(1), LDO10DAC, 0x7f, 900000, 3500000, 25000), |
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/* LDO RTC */ |
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REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1700000, 3500000, 25000), |
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REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000), |
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}; |
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static int rn5t618_regulator_probe(struct platform_device *pdev) |
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{ |
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struct rn5t618 *rn5t618 = 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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const struct regulator_desc *regulators; |
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int i; |
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int num_regulators = 0; |
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switch (rn5t618->variant) { |
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case RN5T567: |
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regulators = rn5t567_regulators; |
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num_regulators = ARRAY_SIZE(rn5t567_regulators); |
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break; |
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case RN5T618: |
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regulators = rn5t618_regulators; |
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num_regulators = ARRAY_SIZE(rn5t618_regulators); |
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break; |
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case RC5T619: |
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regulators = rc5t619_regulators; |
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num_regulators = ARRAY_SIZE(rc5t619_regulators); |
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break; |
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default: |
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return -EINVAL; |
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} |
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config.dev = pdev->dev.parent; |
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config.regmap = rn5t618->regmap; |
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for (i = 0; i < num_regulators; i++) { |
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rdev = devm_regulator_register(&pdev->dev, |
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®ulators[i], |
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&config); |
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if (IS_ERR(rdev)) { |
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dev_err(&pdev->dev, "failed to register %s regulator\n", |
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regulators[i].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 struct platform_driver rn5t618_regulator_driver = { |
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.probe = rn5t618_regulator_probe, |
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.driver = { |
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.name = "rn5t618-regulator", |
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}, |
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}; |
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module_platform_driver(rn5t618_regulator_driver); |
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MODULE_ALIAS("platform:rn5t618-regulator"); |
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MODULE_AUTHOR("Beniamino Galvani <[email protected]>"); |
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MODULE_DESCRIPTION("RN5T618 regulator driver"); |
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MODULE_LICENSE("GPL v2");
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