1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * BMI160 - Bosch IMU, I2C bits
4  *
5  * Copyright (c) 2016, Intel Corporation.
6  *
7  * 7-bit I2C slave address is:
8  *      - 0x68 if SDO is pulled to GND
9  *      - 0x69 if SDO is pulled to VDDIO
10  */
11 #include <linux/acpi.h>
12 #include <linux/i2c.h>
13 #include <linux/module.h>
14 #include <linux/of.h>
15 #include <linux/regmap.h>
16 
17 #include "bmi160.h"
18 
19 static int bmi160_i2c_probe(struct i2c_client *client,
20 			    const struct i2c_device_id *id)
21 {
22 	struct regmap *regmap;
23 	const char *name = NULL;
24 
25 	regmap = devm_regmap_init_i2c(client, &bmi160_regmap_config);
26 	if (IS_ERR(regmap)) {
27 		dev_err(&client->dev, "Failed to register i2c regmap: %pe\n",
28 			regmap);
29 		return PTR_ERR(regmap);
30 	}
31 
32 	if (id)
33 		name = id->name;
34 
35 	return bmi160_core_probe(&client->dev, regmap, name, false);
36 }
37 
38 static const struct i2c_device_id bmi160_i2c_id[] = {
39 	{"bmi160", 0},
40 	{}
41 };
42 MODULE_DEVICE_TABLE(i2c, bmi160_i2c_id);
43 
44 static const struct acpi_device_id bmi160_acpi_match[] = {
45 	{"BMI0160", 0},
46 	{ },
47 };
48 MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
49 
50 #ifdef CONFIG_OF
51 static const struct of_device_id bmi160_of_match[] = {
52 	{ .compatible = "bosch,bmi160" },
53 	{ },
54 };
55 MODULE_DEVICE_TABLE(of, bmi160_of_match);
56 #endif
57 
58 static struct i2c_driver bmi160_i2c_driver = {
59 	.driver = {
60 		.name			= "bmi160_i2c",
61 		.acpi_match_table	= ACPI_PTR(bmi160_acpi_match),
62 		.of_match_table		= of_match_ptr(bmi160_of_match),
63 	},
64 	.probe		= bmi160_i2c_probe,
65 	.id_table	= bmi160_i2c_id,
66 };
67 module_i2c_driver(bmi160_i2c_driver);
68 
69 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
70 MODULE_DESCRIPTION("BMI160 I2C driver");
71 MODULE_LICENSE("GPL v2");
72