1 /*
2  * BMI160 - Bosch IMU, I2C bits
3  *
4  * Copyright (c) 2016, Intel Corporation.
5  *
6  * This file is subject to the terms and conditions of version 2 of
7  * the GNU General Public License.  See the file COPYING in the main
8  * directory of this archive for more details.
9  *
10  * 7-bit I2C slave address is:
11  *      - 0x68 if SDO is pulled to GND
12  *      - 0x69 if SDO is pulled to VDDIO
13  */
14 #include <linux/acpi.h>
15 #include <linux/i2c.h>
16 #include <linux/module.h>
17 #include <linux/of.h>
18 #include <linux/regmap.h>
19 
20 #include "bmi160.h"
21 
22 static int bmi160_i2c_probe(struct i2c_client *client,
23 			    const struct i2c_device_id *id)
24 {
25 	struct regmap *regmap;
26 	const char *name = NULL;
27 
28 	regmap = devm_regmap_init_i2c(client, &bmi160_regmap_config);
29 	if (IS_ERR(regmap)) {
30 		dev_err(&client->dev, "Failed to register i2c regmap %d\n",
31 			(int)PTR_ERR(regmap));
32 		return PTR_ERR(regmap);
33 	}
34 
35 	if (id)
36 		name = id->name;
37 
38 	return bmi160_core_probe(&client->dev, regmap, name, false);
39 }
40 
41 static int bmi160_i2c_remove(struct i2c_client *client)
42 {
43 	bmi160_core_remove(&client->dev);
44 
45 	return 0;
46 }
47 
48 static const struct i2c_device_id bmi160_i2c_id[] = {
49 	{"bmi160", 0},
50 	{}
51 };
52 MODULE_DEVICE_TABLE(i2c, bmi160_i2c_id);
53 
54 static const struct acpi_device_id bmi160_acpi_match[] = {
55 	{"BMI0160", 0},
56 	{ },
57 };
58 MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
59 
60 #ifdef CONFIG_OF
61 static const struct of_device_id bmi160_of_match[] = {
62 	{ .compatible = "bosch,bmi160" },
63 	{ },
64 };
65 MODULE_DEVICE_TABLE(of, bmi160_of_match);
66 #endif
67 
68 static struct i2c_driver bmi160_i2c_driver = {
69 	.driver = {
70 		.name			= "bmi160_i2c",
71 		.acpi_match_table	= ACPI_PTR(bmi160_acpi_match),
72 		.of_match_table		= of_match_ptr(bmi160_of_match),
73 	},
74 	.probe		= bmi160_i2c_probe,
75 	.remove		= bmi160_i2c_remove,
76 	.id_table	= bmi160_i2c_id,
77 };
78 module_i2c_driver(bmi160_i2c_driver);
79 
80 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
81 MODULE_DESCRIPTION("BMI160 I2C driver");
82 MODULE_LICENSE("GPL v2");
83