// SPDX-License-Identifier: GPL-2.0-only
/*
 * Freescale MPL115A2 pressure/temperature sensor
 *
 * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
 *
 * (7-bit I2C slave address 0x60)
 *
 * Datasheet: http://www.nxp.com/files/sensors/doc/data_sheet/MPL115A2.pdf
 */

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

#include "mpl115.h"

static int mpl115_i2c_init(struct device *dev)
{
        return 0;
}

static int mpl115_i2c_read(struct device *dev, u8 address)
{
        return i2c_smbus_read_word_swapped(to_i2c_client(dev), address);
}

static int mpl115_i2c_write(struct device *dev, u8 address, u8 value)
{
        return i2c_smbus_write_byte_data(to_i2c_client(dev), address, value);
}

static const struct mpl115_ops mpl115_i2c_ops = {
        .init = mpl115_i2c_init,
        .read = mpl115_i2c_read,
        .write = mpl115_i2c_write,
};

static int mpl115_i2c_probe(struct i2c_client *client)
{
        const struct i2c_device_id *id = i2c_client_get_device_id(client);
        if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
                return -EOPNOTSUPP;

        return mpl115_probe(&client->dev, id->name, &mpl115_i2c_ops);
}

static const struct i2c_device_id mpl115_i2c_id[] = {
        { .name = "mpl115" },
        { }
};
MODULE_DEVICE_TABLE(i2c, mpl115_i2c_id);

static struct i2c_driver mpl115_i2c_driver = {
        .driver = {
                .name   = "mpl115",
                .pm = pm_ptr(&mpl115_dev_pm_ops),
        },
        .probe = mpl115_i2c_probe,
        .id_table = mpl115_i2c_id,
};
module_i2c_driver(mpl115_i2c_driver);

MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>");
MODULE_DESCRIPTION("Freescale MPL115A2 pressure/temperature driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("IIO_MPL115");