xref: /OK3568_Linux_fs/kernel/drivers/iio/accel/mma7455_i2c.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * IIO accel I2C driver for Freescale MMA7455L 3-axis 10-bit accelerometer
4*4882a593Smuzhiyun  * Copyright 2015 Joachim Eastwood <manabian@gmail.com>
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <linux/i2c.h>
8*4882a593Smuzhiyun #include <linux/module.h>
9*4882a593Smuzhiyun #include <linux/regmap.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include "mma7455.h"
12*4882a593Smuzhiyun 
mma7455_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)13*4882a593Smuzhiyun static int mma7455_i2c_probe(struct i2c_client *i2c,
14*4882a593Smuzhiyun 			     const struct i2c_device_id *id)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	struct regmap *regmap;
17*4882a593Smuzhiyun 	const char *name = NULL;
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	regmap = devm_regmap_init_i2c(i2c, &mma7455_core_regmap);
20*4882a593Smuzhiyun 	if (IS_ERR(regmap))
21*4882a593Smuzhiyun 		return PTR_ERR(regmap);
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	if (id)
24*4882a593Smuzhiyun 		name = id->name;
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 	return mma7455_core_probe(&i2c->dev, regmap, name);
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun 
mma7455_i2c_remove(struct i2c_client * i2c)29*4882a593Smuzhiyun static int mma7455_i2c_remove(struct i2c_client *i2c)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun 	return mma7455_core_remove(&i2c->dev);
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun static const struct i2c_device_id mma7455_i2c_ids[] = {
35*4882a593Smuzhiyun 	{ "mma7455", 0 },
36*4882a593Smuzhiyun 	{ "mma7456", 0 },
37*4882a593Smuzhiyun 	{ }
38*4882a593Smuzhiyun };
39*4882a593Smuzhiyun MODULE_DEVICE_TABLE(i2c, mma7455_i2c_ids);
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun static const struct of_device_id mma7455_of_match[] = {
42*4882a593Smuzhiyun 	{ .compatible = "fsl,mma7455" },
43*4882a593Smuzhiyun 	{ .compatible = "fsl,mma7456" },
44*4882a593Smuzhiyun 	{ }
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, mma7455_of_match);
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun static struct i2c_driver mma7455_i2c_driver = {
49*4882a593Smuzhiyun 	.probe = mma7455_i2c_probe,
50*4882a593Smuzhiyun 	.remove = mma7455_i2c_remove,
51*4882a593Smuzhiyun 	.id_table = mma7455_i2c_ids,
52*4882a593Smuzhiyun 	.driver = {
53*4882a593Smuzhiyun 		.name	= "mma7455-i2c",
54*4882a593Smuzhiyun 		.of_match_table = mma7455_of_match,
55*4882a593Smuzhiyun 	},
56*4882a593Smuzhiyun };
57*4882a593Smuzhiyun module_i2c_driver(mma7455_i2c_driver);
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
60*4882a593Smuzhiyun MODULE_DESCRIPTION("Freescale MMA7455L I2C accelerometer driver");
61*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
62