linux/drivers/regulator/mt6397-regulator.c

// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2014 MediaTek Inc.
// Author: Flora Fu <[email protected]>

#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/mfd/mt6397/core.h>
#include <linux/mfd/mt6397/registers.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/mt6397-regulator.h>
#include <linux/regulator/of_regulator.h>
#include <dt-bindings/regulator/mediatek,mt6397-regulator.h>

/*
 * MT6397 regulators' information
 *
 * @desc: standard fields of regulator description.
 * @qi: Mask for query enable signal status of regulators
 * @vselon_reg: Register sections for hardware control mode of bucks
 * @vselctrl_reg: Register for controlling the buck control mode.
 * @vselctrl_mask: Mask for query buck's voltage control mode.
 */
struct mt6397_regulator_info { … };

#define MT6397_BUCK(match, vreg, min, max, step, volt_ranges, enreg,	\
		vosel, vosel_mask, voselon, vosel_ctrl, _modeset_reg,	\
		_modeset_shift) …

#define MT6397_LDO(match, vreg, ldo_volt_table, enreg, enbit, vosel,	\
		vosel_mask) …

#define MT6397_REG_FIXED(match, vreg, enreg, enbit, volt) …

static const struct linear_range buck_volt_range1[] = …;

static const struct linear_range buck_volt_range2[] = …;

static const struct linear_range buck_volt_range3[] = …;

static const unsigned int ldo_volt_table1[] = …;

static const unsigned int ldo_volt_table2[] = …;

static const unsigned int ldo_volt_table3[] = …;

static const unsigned int ldo_volt_table4[] = …;

static const unsigned int ldo_volt_table5[] = …;

static const unsigned int ldo_volt_table5_v2[] = …;

static const unsigned int ldo_volt_table6[] = …;

static const unsigned int ldo_volt_table7[] = …;

static unsigned int mt6397_map_mode(unsigned int mode)
{ … }

static int mt6397_regulator_set_mode(struct regulator_dev *rdev,
				     unsigned int mode)
{ … }

static unsigned int mt6397_regulator_get_mode(struct regulator_dev *rdev)
{ … }

static int mt6397_get_status(struct regulator_dev *rdev)
{ … }

static const struct regulator_ops mt6397_volt_range_ops = …;

static const struct regulator_ops mt6397_volt_table_ops = …;

static const struct regulator_ops mt6397_volt_fixed_ops = …;

/* The array is indexed by id(MT6397_ID_XXX) */
static struct mt6397_regulator_info mt6397_regulators[] = …;

static int mt6397_set_buck_vosel_reg(struct platform_device *pdev)
{ … }

static int mt6397_regulator_probe(struct platform_device *pdev)
{ … }

static const struct platform_device_id mt6397_platform_ids[] = …;
MODULE_DEVICE_TABLE(platform, mt6397_platform_ids);

static const struct of_device_id mt6397_of_match[] __maybe_unused = …;
MODULE_DEVICE_TABLE(of, mt6397_of_match);

static struct platform_driver mt6397_regulator_driver = …;

module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;