1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Freescale MPL115A2 pressure/temperature sensor
 4 *
 5 * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
 6 *
 7 * (7-bit I2C slave address 0x60)
 8 *
 9 * Datasheet: http://www.nxp.com/files/sensors/doc/data_sheet/MPL115A2.pdf
10 */
11
12#include <linux/module.h>
13#include <linux/i2c.h>
14
15#include "mpl115.h"
16
17static int mpl115_i2c_init(struct device *dev)
18{
19	return 0;
20}
21
22static int mpl115_i2c_read(struct device *dev, u8 address)
23{
24	return i2c_smbus_read_word_swapped(to_i2c_client(dev), address);
25}
26
27static int mpl115_i2c_write(struct device *dev, u8 address, u8 value)
28{
29	return i2c_smbus_write_byte_data(to_i2c_client(dev), address, value);
30}
31
32static const struct mpl115_ops mpl115_i2c_ops = {
33	.init = mpl115_i2c_init,
34	.read = mpl115_i2c_read,
35	.write = mpl115_i2c_write,
36};
37
38static int mpl115_i2c_probe(struct i2c_client *client)
39{
40	const struct i2c_device_id *id = i2c_client_get_device_id(client);
41	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
42		return -EOPNOTSUPP;
43
44	return mpl115_probe(&client->dev, id->name, &mpl115_i2c_ops);
45}
46
47static const struct i2c_device_id mpl115_i2c_id[] = {
48	{ "mpl115" },
49	{ }
50};
51MODULE_DEVICE_TABLE(i2c, mpl115_i2c_id);
52
53static struct i2c_driver mpl115_i2c_driver = {
54	.driver = {
55		.name	= "mpl115",
56		.pm = pm_ptr(&mpl115_dev_pm_ops),
57	},
58	.probe = mpl115_i2c_probe,
59	.id_table = mpl115_i2c_id,
60};
61module_i2c_driver(mpl115_i2c_driver);
62
63MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>");
64MODULE_DESCRIPTION("Freescale MPL115A2 pressure/temperature driver");
65MODULE_LICENSE("GPL");
66MODULE_IMPORT_NS("IIO_MPL115");