1// SPDX-License-Identifier: GPL-2.0
2/*
3 * BME680 - I2C Driver
4 *
5 * Copyright (C) 2018 Himanshu Jha <himanshujha199640@gmail.com>
6 *
7 * 7-Bit I2C slave address is:
8 *	- 0x76 if SDO is pulled to GND
9 *	- 0x77 if SDO is pulled to VDDIO
10 *
11 * Note: SDO pin cannot be left floating otherwise I2C address
12 *	 will be undefined.
13 */
14#include <linux/acpi.h>
15#include <linux/i2c.h>
16#include <linux/module.h>
17#include <linux/regmap.h>
18
19#include "bme680.h"
20
21static int bme680_i2c_probe(struct i2c_client *client,
22			    const struct i2c_device_id *id)
23{
24	struct regmap *regmap;
25	const char *name = NULL;
26
27	regmap = devm_regmap_init_i2c(client, &bme680_regmap_config);
28	if (IS_ERR(regmap)) {
29		dev_err(&client->dev, "Failed to register i2c regmap %d\n",
30				(int)PTR_ERR(regmap));
31		return PTR_ERR(regmap);
32	}
33
34	if (id)
35		name = id->name;
36
37	return bme680_core_probe(&client->dev, regmap, name);
38}
39
40static const struct i2c_device_id bme680_i2c_id[] = {
41	{"bme680", 0},
42	{},
43};
44MODULE_DEVICE_TABLE(i2c, bme680_i2c_id);
45
46static const struct acpi_device_id bme680_acpi_match[] = {
47	{"BME0680", 0},
48	{},
49};
50MODULE_DEVICE_TABLE(acpi, bme680_acpi_match);
51
52static const struct of_device_id bme680_of_i2c_match[] = {
53	{ .compatible = "bosch,bme680", },
54	{},
55};
56MODULE_DEVICE_TABLE(of, bme680_of_i2c_match);
57
58static struct i2c_driver bme680_i2c_driver = {
59	.driver = {
60		.name			= "bme680_i2c",
61		.acpi_match_table       = ACPI_PTR(bme680_acpi_match),
62		.of_match_table		= bme680_of_i2c_match,
63	},
64	.probe = bme680_i2c_probe,
65	.id_table = bme680_i2c_id,
66};
67module_i2c_driver(bme680_i2c_driver);
68
69MODULE_AUTHOR("Himanshu Jha <himanshujha199640@gmail.com>");
70MODULE_DESCRIPTION("BME680 I2C driver");
71MODULE_LICENSE("GPL v2");
72