xref: /openbmc/linux/drivers/iio/accel/mma7455_i2c.c (revision 9b93eb47)
1 /*
2  * IIO accel I2C driver for Freescale MMA7455L 3-axis 10-bit accelerometer
3  * Copyright 2015 Joachim Eastwood <manabian@gmail.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  */
9 
10 #include <linux/i2c.h>
11 #include <linux/module.h>
12 #include <linux/regmap.h>
13 
14 #include "mma7455.h"
15 
16 static int mma7455_i2c_probe(struct i2c_client *i2c,
17 			     const struct i2c_device_id *id)
18 {
19 	struct regmap *regmap;
20 	const char *name = NULL;
21 
22 	regmap = devm_regmap_init_i2c(i2c, &mma7455_core_regmap);
23 	if (IS_ERR(regmap))
24 		return PTR_ERR(regmap);
25 
26 	if (id)
27 		name = id->name;
28 
29 	return mma7455_core_probe(&i2c->dev, regmap, name);
30 }
31 
32 static int mma7455_i2c_remove(struct i2c_client *i2c)
33 {
34 	return mma7455_core_remove(&i2c->dev);
35 }
36 
37 static const struct i2c_device_id mma7455_i2c_ids[] = {
38 	{ "mma7455", 0 },
39 	{ "mma7456", 0 },
40 	{ }
41 };
42 MODULE_DEVICE_TABLE(i2c, mma7455_i2c_ids);
43 
44 static const struct of_device_id mma7455_of_match[] = {
45 	{ .compatible = "fsl,mma7455" },
46 	{ .compatible = "fsl,mma7456" },
47 	{ }
48 };
49 MODULE_DEVICE_TABLE(of, mma7455_of_match);
50 
51 static struct i2c_driver mma7455_i2c_driver = {
52 	.probe = mma7455_i2c_probe,
53 	.remove = mma7455_i2c_remove,
54 	.id_table = mma7455_i2c_ids,
55 	.driver = {
56 		.name	= "mma7455-i2c",
57 		.of_match_table = mma7455_of_match,
58 	},
59 };
60 module_i2c_driver(mma7455_i2c_driver);
61 
62 MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
63 MODULE_DESCRIPTION("Freescale MMA7455L I2C accelerometer driver");
64 MODULE_LICENSE("GPL v2");
65