// SPDX-License-Identifier: GPL-2.0-only
/*
 * ADXL345 3-Axis Digital Accelerometer I2C driver
 *
 * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>
 *
 * 7-bit I2C slave address: 0x1D (ALT ADDRESS pin tied to VDDIO) or
 * 0x53 (ALT ADDRESS pin grounded)
 */

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

#include "adxl345.h"

static const struct regmap_config adxl345_i2c_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
        .volatile_reg = adxl345_is_volatile_reg,
        .cache_type = REGCACHE_MAPLE,
};

static int adxl345_i2c_probe(struct i2c_client *client)
{
        struct regmap *regmap;

        regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config);
        if (IS_ERR(regmap))
                return dev_err_probe(&client->dev, PTR_ERR(regmap), "Error initializing regmap\n");

        return adxl345_core_probe(&client->dev, regmap, false, NULL);
}

static const struct adxl345_chip_info adxl345_i2c_info = {
        .name = "adxl345",
        .uscale = ADXL345_USCALE,
};

static const struct adxl345_chip_info adxl375_i2c_info = {
        .name = "adxl375",
        .uscale = ADXL375_USCALE,
};

static const struct i2c_device_id adxl345_i2c_id[] = {
        { "adxl345", (kernel_ulong_t)&adxl345_i2c_info },
        { "adxl375", (kernel_ulong_t)&adxl375_i2c_info },
        { }
};
MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id);

static const struct of_device_id adxl345_of_match[] = {
        { .compatible = "adi,adxl345", .data = &adxl345_i2c_info },
        { .compatible = "adi,adxl375", .data = &adxl375_i2c_info },
        { }
};
MODULE_DEVICE_TABLE(of, adxl345_of_match);

static const struct acpi_device_id adxl345_acpi_match[] = {
        { "ADS0345", (kernel_ulong_t)&adxl345_i2c_info },
        { }
};
MODULE_DEVICE_TABLE(acpi, adxl345_acpi_match);

static struct i2c_driver adxl345_i2c_driver = {
        .driver = {
                .name   = "adxl345_i2c",
                .of_match_table = adxl345_of_match,
                .acpi_match_table = adxl345_acpi_match,
        },
        .probe          = adxl345_i2c_probe,
        .id_table       = adxl345_i2c_id,
};
module_i2c_driver(adxl345_i2c_driver);

MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");
MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer I2C driver");
MODULE_LICENSE("GPL v2");
MODULE_IMPORT_NS("IIO_ADXL345");