xref: /openbmc/linux/drivers/iio/accel/mma7455_i2c.c (revision a44e4f3a)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * IIO accel I2C driver for Freescale MMA7455L 3-axis 10-bit accelerometer
4  * Copyright 2015 Joachim Eastwood <manabian@gmail.com>
5  */
6 
7 #include <linux/i2c.h>
8 #include <linux/module.h>
9 #include <linux/regmap.h>
10 
11 #include "mma7455.h"
12 
13 static int mma7455_i2c_probe(struct i2c_client *i2c,
14 			     const struct i2c_device_id *id)
15 {
16 	struct regmap *regmap;
17 	const char *name = NULL;
18 
19 	regmap = devm_regmap_init_i2c(i2c, &mma7455_core_regmap);
20 	if (IS_ERR(regmap))
21 		return PTR_ERR(regmap);
22 
23 	if (id)
24 		name = id->name;
25 
26 	return mma7455_core_probe(&i2c->dev, regmap, name);
27 }
28 
29 static int mma7455_i2c_remove(struct i2c_client *i2c)
30 {
31 	return mma7455_core_remove(&i2c->dev);
32 }
33 
34 static const struct i2c_device_id mma7455_i2c_ids[] = {
35 	{ "mma7455", 0 },
36 	{ "mma7456", 0 },
37 	{ }
38 };
39 MODULE_DEVICE_TABLE(i2c, mma7455_i2c_ids);
40 
41 static const struct of_device_id mma7455_of_match[] = {
42 	{ .compatible = "fsl,mma7455" },
43 	{ .compatible = "fsl,mma7456" },
44 	{ }
45 };
46 MODULE_DEVICE_TABLE(of, mma7455_of_match);
47 
48 static struct i2c_driver mma7455_i2c_driver = {
49 	.probe = mma7455_i2c_probe,
50 	.remove = mma7455_i2c_remove,
51 	.id_table = mma7455_i2c_ids,
52 	.driver = {
53 		.name	= "mma7455-i2c",
54 		.of_match_table = mma7455_of_match,
55 	},
56 };
57 module_i2c_driver(mma7455_i2c_driver);
58 
59 MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
60 MODULE_DESCRIPTION("Freescale MMA7455L I2C accelerometer driver");
61 MODULE_LICENSE("GPL v2");
62