root/drivers/iio/gyro/fxas21002c_i2c.c
// SPDX-License-Identifier: GPL-2.0
/*
 * Driver for NXP FXAS21002C Gyroscope - I2C
 *
 * Copyright (C) 2018 Linaro Ltd.
 */

#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/regmap.h>

#include "fxas21002c.h"

static const struct regmap_config fxas21002c_regmap_i2c_conf = {
        .reg_bits = 8,
        .val_bits = 8,
        .max_register = FXAS21002C_REG_CTRL3,
};

static int fxas21002c_i2c_probe(struct i2c_client *i2c)
{
        struct regmap *regmap;

        regmap = devm_regmap_init_i2c(i2c, &fxas21002c_regmap_i2c_conf);
        if (IS_ERR(regmap)) {
                dev_err(&i2c->dev, "Failed to register i2c regmap: %ld\n",
                        PTR_ERR(regmap));
                return PTR_ERR(regmap);
        }

        return fxas21002c_core_probe(&i2c->dev, regmap, i2c->irq, i2c->name);
}

static void fxas21002c_i2c_remove(struct i2c_client *i2c)
{
        fxas21002c_core_remove(&i2c->dev);
}

static const struct i2c_device_id fxas21002c_i2c_id[] = {
        { .name = "fxas21002c" },
        { }
};
MODULE_DEVICE_TABLE(i2c, fxas21002c_i2c_id);

static const struct of_device_id fxas21002c_i2c_of_match[] = {
        { .compatible = "nxp,fxas21002c", },
        { }
};
MODULE_DEVICE_TABLE(of, fxas21002c_i2c_of_match);

static struct i2c_driver fxas21002c_i2c_driver = {
        .driver = {
                .name = "fxas21002c_i2c",
                .pm = pm_ptr(&fxas21002c_pm_ops),
                .of_match_table = fxas21002c_i2c_of_match,
        },
        .probe          = fxas21002c_i2c_probe,
        .remove         = fxas21002c_i2c_remove,
        .id_table       = fxas21002c_i2c_id,
};
module_i2c_driver(fxas21002c_i2c_driver);

MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("FXAS21002C I2C Gyro driver");
MODULE_IMPORT_NS("IIO_FXAS21002C");