tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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/i2c.h>
15#include <linux/module.h>
16#include <linux/regmap.h>
17
18#include "bme680.h"
19
20static int bme680_i2c_probe(struct i2c_client *client)
21{
22 const struct i2c_device_id *id = i2c_client_get_device_id(client);
23 struct regmap *regmap;
24 const char *name = NULL;
25
26 regmap = devm_regmap_init_i2c(client, &bme680_regmap_config);
27 if (IS_ERR(regmap)) {
28 dev_err(&client->dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap));
29 return PTR_ERR(regmap);
30 }
31
32 if (id)
33 name = id->name;
34
35 return bme680_core_probe(&client->dev, regmap, name);
36}
37
38static const struct i2c_device_id bme680_i2c_id[] = {
39 { "bme680" },
40 { }
41};
42MODULE_DEVICE_TABLE(i2c, bme680_i2c_id);
43
44static const struct of_device_id bme680_of_i2c_match[] = {
45 { .compatible = "bosch,bme680", },
46 { }
47};
48MODULE_DEVICE_TABLE(of, bme680_of_i2c_match);
49
50static struct i2c_driver bme680_i2c_driver = {
51 .driver = {
52 .name = "bme680_i2c",
53 .of_match_table = bme680_of_i2c_match,
54 .pm = pm_ptr(&bme680_dev_pm_ops),
55 },
56 .probe = bme680_i2c_probe,
57 .id_table = bme680_i2c_id,
58};
59module_i2c_driver(bme680_i2c_driver);
60
61MODULE_AUTHOR("Himanshu Jha <himanshujha199640@gmail.com>");
62MODULE_DESCRIPTION("BME680 I2C driver");
63MODULE_LICENSE("GPL v2");
64MODULE_IMPORT_NS("IIO_BME680");