xref: /OK3568_Linux_fs/kernel/drivers/iio/accel/bma400_i2c.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * I2C IIO driver for Bosch BMA400 triaxial acceleration sensor.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright 2019 Dan Robertson <dan@dlrobertson.com>
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * I2C address is either 0x14 or 0x15 depending on SDO
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun #include <linux/i2c.h>
10*4882a593Smuzhiyun #include <linux/mod_devicetable.h>
11*4882a593Smuzhiyun #include <linux/module.h>
12*4882a593Smuzhiyun #include <linux/regmap.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include "bma400.h"
15*4882a593Smuzhiyun 
bma400_i2c_probe(struct i2c_client * client,const struct i2c_device_id * id)16*4882a593Smuzhiyun static int bma400_i2c_probe(struct i2c_client *client,
17*4882a593Smuzhiyun 			    const struct i2c_device_id *id)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun 	struct regmap *regmap;
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	regmap = devm_regmap_init_i2c(client, &bma400_regmap_config);
22*4882a593Smuzhiyun 	if (IS_ERR(regmap)) {
23*4882a593Smuzhiyun 		dev_err(&client->dev, "failed to create regmap\n");
24*4882a593Smuzhiyun 		return PTR_ERR(regmap);
25*4882a593Smuzhiyun 	}
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	return bma400_probe(&client->dev, regmap, id->name);
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun 
bma400_i2c_remove(struct i2c_client * client)30*4882a593Smuzhiyun static int bma400_i2c_remove(struct i2c_client *client)
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun 	return bma400_remove(&client->dev);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun static const struct i2c_device_id bma400_i2c_ids[] = {
36*4882a593Smuzhiyun 	{ "bma400", 0 },
37*4882a593Smuzhiyun 	{ }
38*4882a593Smuzhiyun };
39*4882a593Smuzhiyun MODULE_DEVICE_TABLE(i2c, bma400_i2c_ids);
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun static const struct of_device_id bma400_of_i2c_match[] = {
42*4882a593Smuzhiyun 	{ .compatible = "bosch,bma400" },
43*4882a593Smuzhiyun 	{ }
44*4882a593Smuzhiyun };
45*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, bma400_of_i2c_match);
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun static struct i2c_driver bma400_i2c_driver = {
48*4882a593Smuzhiyun 	.driver = {
49*4882a593Smuzhiyun 		.name = "bma400",
50*4882a593Smuzhiyun 		.of_match_table = bma400_of_i2c_match,
51*4882a593Smuzhiyun 	},
52*4882a593Smuzhiyun 	.probe    = bma400_i2c_probe,
53*4882a593Smuzhiyun 	.remove   = bma400_i2c_remove,
54*4882a593Smuzhiyun 	.id_table = bma400_i2c_ids,
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun module_i2c_driver(bma400_i2c_driver);
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun MODULE_AUTHOR("Dan Robertson <dan@dlrobertson.com>");
60*4882a593Smuzhiyun MODULE_DESCRIPTION("Bosch BMA400 triaxial acceleration sensor (I2C)");
61*4882a593Smuzhiyun MODULE_LICENSE("GPL");
62