linux/drivers/regulator/mp5416.c

// SPDX-License-Identifier: GPL-2.0+
//
// mp5416.c  - regulator driver for mps mp5416
//
// Copyright 2020 Monolithic Power Systems, Inc
//
// Author: Saravanan Sekar <[email protected]>

#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/driver.h>

#define MP5416_REG_CTL0 …
#define MP5416_REG_CTL1 …
#define MP5416_REG_CTL2 …
#define MP5416_REG_ILIM …
#define MP5416_REG_BUCK1 …
#define MP5416_REG_BUCK2 …
#define MP5416_REG_BUCK3 …
#define MP5416_REG_BUCK4 …
#define MP5416_REG_LDO1 …
#define MP5416_REG_LDO2 …
#define MP5416_REG_LDO3 …
#define MP5416_REG_LDO4 …

#define MP5416_REGULATOR_EN …
#define MP5416_MASK_VSET …
#define MP5416_MASK_BUCK1_ILIM …
#define MP5416_MASK_BUCK2_ILIM …
#define MP5416_MASK_BUCK3_ILIM …
#define MP5416_MASK_BUCK4_ILIM …
#define MP5416_MASK_DVS_SLEWRATE …

/* values in uV */
#define MP5416_VOLT1_MIN …
#define MP5416_VOLT1_MAX …
#define MP5416_VOLT1_STEP …
#define MP5416_VOLT2_MIN …
#define MP5416_VOLT2_MAX …
#define MP5416_VOLT2_STEP …

#define MP5416_VOLT1_RANGE …
#define MP5416_VOLT2_RANGE …

#define MP5416BUCK(_name, _id, _ilim, _dreg, _dval, _vsel) …

#define MP5416LDO(_name, _id, _dval) …

enum mp5416_regulators { … };

static const struct regmap_config mp5416_regmap_config = …;

/* Current limits array (in uA)
 * ILIM1 & ILIM3
 */
static const unsigned int mp5416_I_limits1[] = …;

/* ILIM2 & ILIM4 */
static const unsigned int mp5416_I_limits2[] = …;

/*
 * DVS ramp rate BUCK1 to BUCK4
 * 00: 32mV/us
 * 01: 16mV/us
 * 10: 8mV/us
 * 11: 4mV/us
 */
static const unsigned int mp5416_buck_ramp_table[] = …;

static const struct regulator_ops mp5416_ldo_ops = …;

static const struct regulator_ops mp5416_buck_ops = …;

static struct regulator_desc mp5416_regulators_desc[MP5416_MAX_REGULATORS] = …;

static struct regulator_desc mp5496_regulators_desc[MP5416_MAX_REGULATORS] = …;

static int mp5416_i2c_probe(struct i2c_client *client)
{ … }

static const struct of_device_id mp5416_of_match[] = …;
MODULE_DEVICE_TABLE(of, mp5416_of_match);

static const struct i2c_device_id mp5416_id[] = …;
MODULE_DEVICE_TABLE(i2c, mp5416_id);

static struct i2c_driver mp5416_regulator_driver = …;
module_i2c_driver(…) …;

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