bmg160_i2c.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2#include <linux/i2c.h>
 3#include <linux/regmap.h>
 4#include <linux/iio/iio.h>
 5#include <linux/module.h>
 6#include <linux/mod_devicetable.h>
 7
 8#include "bmg160.h"
 9
10static const struct regmap_config bmg160_regmap_i2c_conf = {
11	.reg_bits = 8,
12	.val_bits = 8,
13	.max_register = 0x3f
14};
15
16static int bmg160_i2c_probe(struct i2c_client *client)
17{
18	const struct i2c_device_id *id = i2c_client_get_device_id(client);
19	struct regmap *regmap;
20	const char *name;
21
22	regmap = devm_regmap_init_i2c(client, &bmg160_regmap_i2c_conf);
23	if (IS_ERR(regmap)) {
24		dev_err(&client->dev, "Failed to register i2c regmap: %pe\n",
25			regmap);
26		return PTR_ERR(regmap);
27	}
28
29	if (id)
30		name = id->name;
31	else
32		name = iio_get_acpi_device_name(&client->dev);
33
34	return bmg160_core_probe(&client->dev, regmap, client->irq, name);
35}
36
37static void bmg160_i2c_remove(struct i2c_client *client)
38{
39	bmg160_core_remove(&client->dev);
40}
41
42static const struct acpi_device_id bmg160_acpi_match[] = {
43	{"BMG0160", 0},
44	{ }
45};
46
47MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
48
49static const struct i2c_device_id bmg160_i2c_id[] = {
50	{ "bmg160" },
51	{ "bmi055_gyro" },
52	{ "bmi088_gyro" },
53	{ }
54};
55
56MODULE_DEVICE_TABLE(i2c, bmg160_i2c_id);
57
58static const struct of_device_id bmg160_of_match[] = {
59	{ .compatible = "bosch,bmg160" },
60	{ .compatible = "bosch,bmi055_gyro" },
61	{ .compatible = "bosch,bmi088_gyro" },
62	{ }
63};
64
65MODULE_DEVICE_TABLE(of, bmg160_of_match);
66
67static struct i2c_driver bmg160_i2c_driver = {
68	.driver = {
69		.name	= "bmg160_i2c",
70		.acpi_match_table = bmg160_acpi_match,
71		.of_match_table = bmg160_of_match,
72		.pm	= &bmg160_pm_ops,
73	},
74	.probe		= bmg160_i2c_probe,
75	.remove		= bmg160_i2c_remove,
76	.id_table	= bmg160_i2c_id,
77};
78module_i2c_driver(bmg160_i2c_driver);
79
80MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
81MODULE_LICENSE("GPL v2");
82MODULE_DESCRIPTION("BMG160 I2C Gyro driver");