linux/drivers/mfd/tps6594-i2c.c

// SPDX-License-Identifier: GPL-2.0
/*
 * I2C access driver for TI TPS65224/TPS6594/TPS6593/LP8764 PMICs
 *
 * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
 */

#include <linux/crc8.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/of_device.h>
#include <linux/regmap.h>

#include <linux/mfd/tps6594.h>

static bool enable_crc;
module_param(enable_crc, bool, 0444);
MODULE_PARM_DESC(…) …;

DECLARE_CRC8_TABLE(tps6594_i2c_crc_table);

static int tps6594_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
{ … }

static int tps6594_i2c_reg_read_with_crc(struct i2c_client *client, u8 page, u8 reg, u8 *val)
{ … }

static int tps6594_i2c_reg_write_with_crc(struct i2c_client *client, u8 page, u8 reg, u8 val)
{ … }

static int tps6594_i2c_read(void *context, const void *reg_buf, size_t reg_size,
			    void *val_buf, size_t val_size)
{ … }

static int tps6594_i2c_write(void *context, const void *data, size_t count)
{ … }

static struct regmap_config tps6594_i2c_regmap_config = …;

static const struct of_device_id tps6594_i2c_of_match_table[] = …;
MODULE_DEVICE_TABLE(of, tps6594_i2c_of_match_table);

static int tps6594_i2c_probe(struct i2c_client *client)
{ … }

static struct i2c_driver tps6594_i2c_driver = …;
module_i2c_driver(…) …;

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