linux/drivers/regulator/vctrl-regulator.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Driver for voltage controller regulators
 *
 * Copyright (C) 2017 Google, Inc.
 */

#include <linux/delay.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regulator/coupler.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
#include <linux/sort.h>

#include "internal.h"

struct vctrl_voltage_range { … };

struct vctrl_voltage_ranges { … };

struct vctrl_voltage_table { … };

struct vctrl_data { … };

static int vctrl_calc_ctrl_voltage(struct vctrl_data *vctrl, int out_uV)
{ … }

static int vctrl_calc_output_voltage(struct vctrl_data *vctrl, int ctrl_uV)
{ … }

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

static int vctrl_set_voltage(struct regulator_dev *rdev,
			     int req_min_uV, int req_max_uV,
			     unsigned int *selector)
{ … }

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

static int vctrl_set_voltage_sel(struct regulator_dev *rdev,
				 unsigned int selector)
{ … }

static int vctrl_list_voltage(struct regulator_dev *rdev,
			      unsigned int selector)
{ … }

static int vctrl_parse_dt(struct platform_device *pdev,
			  struct vctrl_data *vctrl)
{ … }

static int vctrl_cmp_ctrl_uV(const void *a, const void *b)
{ … }

static int vctrl_init_vtable(struct platform_device *pdev,
			     struct regulator *ctrl_reg)
{ … }

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

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

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

static const struct regulator_ops vctrl_ops_cont = …;

static const struct regulator_ops vctrl_ops_non_cont = …;

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

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

static struct platform_driver vctrl_driver = …;

module_platform_driver(…) …;

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