xref: /linux/drivers/iio/accel/mma7455_i2c.c (revision 2c1ed907520c50326b8f604907a8478b27881a2e)
1d2912cb1SThomas 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 
mma7455_i2c_probe(struct i2c_client * i2c)1317b9a72fSUwe Kleine-König static int mma7455_i2c_probe(struct i2c_client *i2c)
14a84ef0d1SJoachim Eastwood {
1517b9a72fSUwe Kleine-König 	const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
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 
mma7455_i2c_remove(struct i2c_client * i2c)29ed5c2f5fSUwe Kleine-König static void mma7455_i2c_remove(struct i2c_client *i2c)
30a84ef0d1SJoachim Eastwood {
31523742f2SUwe Kleine-König 	mma7455_core_remove(&i2c->dev);
32a84ef0d1SJoachim Eastwood }
33a84ef0d1SJoachim Eastwood 
34a84ef0d1SJoachim Eastwood static const struct i2c_device_id mma7455_i2c_ids[] = {
354391affaSUwe Kleine-König 	{ "mma7455" },
364391affaSUwe Kleine-König 	{ "mma7456" },
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 = {
497cf15f42SUwe Kleine-König 	.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");
62*cdd30ebbSPeter Zijlstra MODULE_IMPORT_NS("IIO_MMA7455");
63