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/i2c.h>
12#include <linux/mod_devicetable.h>
13#include <linux/module.h>
14#include <linux/regmap.h>
15
16#include "bmi160.h"
17
18static int bmi160_i2c_probe(struct i2c_client *client)
19{
20	const struct i2c_device_id *id = i2c_client_get_device_id(client);
21	struct regmap *regmap;
22	const char *name;
23
24	regmap = devm_regmap_init_i2c(client, &bmi160_regmap_config);
25	if (IS_ERR(regmap)) {
26		dev_err(&client->dev, "Failed to register i2c regmap: %pe\n",
27			regmap);
28		return PTR_ERR(regmap);
29	}
30
31	if (id)
32		name = id->name;
33	else
34		name = dev_name(&client->dev);
35
36	return bmi160_core_probe(&client->dev, regmap, name, false);
37}
38
39static const struct i2c_device_id bmi160_i2c_id[] = {
40	{"bmi160", 0},
41	{}
42};
43MODULE_DEVICE_TABLE(i2c, bmi160_i2c_id);
44
45static const struct acpi_device_id bmi160_acpi_match[] = {
46	/*
47	 * FIRMWARE BUG WORKAROUND
48	 * Some manufacturers like GPD, Lenovo or Aya used the incorrect
49	 * ID "10EC5280" for bmi160 in their DSDT. A fixed firmware is not
50	 * available as of Feb 2024 after trying to work with OEMs, and
51	 * this is not expected to change anymore since at least some of
52	 * the affected devices are from 2021/2022.
53	 */
54	{"10EC5280", 0},
55	{"BMI0160", 0},
56	{ },
57};
58MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
59
60static const struct of_device_id bmi160_of_match[] = {
61	{ .compatible = "bosch,bmi160" },
62	{ },
63};
64MODULE_DEVICE_TABLE(of, bmi160_of_match);
65
66static struct i2c_driver bmi160_i2c_driver = {
67	.driver = {
68		.name			= "bmi160_i2c",
69		.acpi_match_table	= bmi160_acpi_match,
70		.of_match_table		= bmi160_of_match,
71	},
72	.probe		= bmi160_i2c_probe,
73	.id_table	= bmi160_i2c_id,
74};
75module_i2c_driver(bmi160_i2c_driver);
76
77MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
78MODULE_DESCRIPTION("BMI160 I2C driver");
79MODULE_LICENSE("GPL v2");
80MODULE_IMPORT_NS(IIO_BMI160);