ens160_i2c.c

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * ScioSense ENS160 multi-gas sensor I2C driver
 4 *
 5 * Copyright (c) 2024 Gustavo Silva <gustavograzs@gmail.com>
 6 *
 7 * 7-Bit I2C slave address is:
 8 *	- 0x52 if ADDR pin LOW
 9 *	- 0x53 if ADDR pin HIGH
10 */
11
12#include <linux/i2c.h>
13#include <linux/module.h>
14#include <linux/regmap.h>
15
16#include "ens160.h"
17
18static const struct regmap_config ens160_regmap_i2c_conf = {
19	.reg_bits = 8,
20	.val_bits = 8,
21};
22
23static int ens160_i2c_probe(struct i2c_client *client)
24{
25	struct regmap *regmap;
26
27	regmap = devm_regmap_init_i2c(client, &ens160_regmap_i2c_conf);
28	if (IS_ERR(regmap))
29		return dev_err_probe(&client->dev, PTR_ERR(regmap),
30				     "Failed to register i2c regmap\n");
31
32	return devm_ens160_core_probe(&client->dev, regmap, client->irq,
33				      "ens160");
34}
35
36static const struct i2c_device_id ens160_i2c_id[] = {
37	{ "ens160" },
38	{ }
39};
40MODULE_DEVICE_TABLE(i2c, ens160_i2c_id);
41
42static const struct of_device_id ens160_of_i2c_match[] = {
43	{ .compatible = "sciosense,ens160" },
44	{ }
45};
46MODULE_DEVICE_TABLE(of, ens160_of_i2c_match);
47
48static struct i2c_driver ens160_i2c_driver = {
49	.driver = {
50		.name		= "ens160",
51		.of_match_table	= ens160_of_i2c_match,
52		.pm		= pm_sleep_ptr(&ens160_pm_ops),
53	},
54	.probe = ens160_i2c_probe,
55	.id_table = ens160_i2c_id,
56};
57module_i2c_driver(ens160_i2c_driver);
58
59MODULE_AUTHOR("Gustavo Silva <gustavograzs@gmail.com>");
60MODULE_DESCRIPTION("ScioSense ENS160 I2C driver");
61MODULE_LICENSE("GPL v2");
62MODULE_IMPORT_NS("IIO_ENS160");