xref: /linux/drivers/iio/accel/mma7455_i2c.c (revision d2912cb15bdda8ba4a5dd73396ad62641af2f520)
1*d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2a84ef0d1SJoachim Eastwood /*
3a84ef0d1SJoachim Eastwood  * IIO accel I2C driver for Freescale MMA7455L 3-axis 10-bit accelerometer
4a84ef0d1SJoachim Eastwood  * Copyright 2015 Joachim Eastwood <manabian@gmail.com>
5a84ef0d1SJoachim Eastwood  */
6a84ef0d1SJoachim Eastwood 
7a84ef0d1SJoachim Eastwood #include <linux/i2c.h>
8a84ef0d1SJoachim Eastwood #include <linux/module.h>
9a84ef0d1SJoachim Eastwood #include <linux/regmap.h>
10a84ef0d1SJoachim Eastwood 
11a84ef0d1SJoachim Eastwood #include "mma7455.h"
12a84ef0d1SJoachim Eastwood 
13a84ef0d1SJoachim Eastwood static int mma7455_i2c_probe(struct i2c_client *i2c,
14a84ef0d1SJoachim Eastwood 			     const struct i2c_device_id *id)
15a84ef0d1SJoachim Eastwood {
16a84ef0d1SJoachim Eastwood 	struct regmap *regmap;
17a84ef0d1SJoachim Eastwood 	const char *name = NULL;
18a84ef0d1SJoachim Eastwood 
19a84ef0d1SJoachim Eastwood 	regmap = devm_regmap_init_i2c(i2c, &mma7455_core_regmap);
20a84ef0d1SJoachim Eastwood 	if (IS_ERR(regmap))
21a84ef0d1SJoachim Eastwood 		return PTR_ERR(regmap);
22a84ef0d1SJoachim Eastwood 
23a84ef0d1SJoachim Eastwood 	if (id)
24a84ef0d1SJoachim Eastwood 		name = id->name;
25a84ef0d1SJoachim Eastwood 
26a84ef0d1SJoachim Eastwood 	return mma7455_core_probe(&i2c->dev, regmap, name);
27a84ef0d1SJoachim Eastwood }
28a84ef0d1SJoachim Eastwood 
29a84ef0d1SJoachim Eastwood static int mma7455_i2c_remove(struct i2c_client *i2c)
30a84ef0d1SJoachim Eastwood {
31a84ef0d1SJoachim Eastwood 	return mma7455_core_remove(&i2c->dev);
32a84ef0d1SJoachim Eastwood }
33a84ef0d1SJoachim Eastwood 
34a84ef0d1SJoachim Eastwood static const struct i2c_device_id mma7455_i2c_ids[] = {
35a84ef0d1SJoachim Eastwood 	{ "mma7455", 0 },
36a84ef0d1SJoachim Eastwood 	{ "mma7456", 0 },
37a84ef0d1SJoachim Eastwood 	{ }
38a84ef0d1SJoachim Eastwood };
39a84ef0d1SJoachim Eastwood MODULE_DEVICE_TABLE(i2c, mma7455_i2c_ids);
40a84ef0d1SJoachim Eastwood 
41f414bb19SJavier Martinez Canillas static const struct of_device_id mma7455_of_match[] = {
42f414bb19SJavier Martinez Canillas 	{ .compatible = "fsl,mma7455" },
43f414bb19SJavier Martinez Canillas 	{ .compatible = "fsl,mma7456" },
44f414bb19SJavier Martinez Canillas 	{ }
45f414bb19SJavier Martinez Canillas };
46f414bb19SJavier Martinez Canillas MODULE_DEVICE_TABLE(of, mma7455_of_match);
47f414bb19SJavier Martinez Canillas 
48a84ef0d1SJoachim Eastwood static struct i2c_driver mma7455_i2c_driver = {
49a84ef0d1SJoachim Eastwood 	.probe = mma7455_i2c_probe,
50a84ef0d1SJoachim Eastwood 	.remove = mma7455_i2c_remove,
51a84ef0d1SJoachim Eastwood 	.id_table = mma7455_i2c_ids,
52a84ef0d1SJoachim Eastwood 	.driver = {
53a84ef0d1SJoachim Eastwood 		.name	= "mma7455-i2c",
54f414bb19SJavier Martinez Canillas 		.of_match_table = mma7455_of_match,
55a84ef0d1SJoachim Eastwood 	},
56a84ef0d1SJoachim Eastwood };
57a84ef0d1SJoachim Eastwood module_i2c_driver(mma7455_i2c_driver);
58a84ef0d1SJoachim Eastwood 
59a84ef0d1SJoachim Eastwood MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
60a84ef0d1SJoachim Eastwood MODULE_DESCRIPTION("Freescale MMA7455L I2C accelerometer driver");
61a84ef0d1SJoachim Eastwood MODULE_LICENSE("GPL v2");
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