ens160_spi.c

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * ScioSense ENS160 multi-gas sensor SPI driver
 4 *
 5 * Copyright (c) 2024 Gustavo Silva <gustavograzs@gmail.com>
 6 */
 7
 8#include <linux/module.h>
 9#include <linux/regmap.h>
10#include <linux/spi/spi.h>
11
12#include "ens160.h"
13
14#define ENS160_SPI_READ BIT(0)
15
16static const struct regmap_config ens160_regmap_spi_conf = {
17	.reg_bits = 8,
18	.val_bits = 8,
19	.reg_shift = -1,
20	.read_flag_mask = ENS160_SPI_READ,
21};
22
23static int ens160_spi_probe(struct spi_device *spi)
24{
25	struct regmap *regmap;
26
27	regmap = devm_regmap_init_spi(spi, &ens160_regmap_spi_conf);
28	if (IS_ERR(regmap))
29		return dev_err_probe(&spi->dev, PTR_ERR(regmap),
30				     "Failed to register spi regmap\n");
31
32	return devm_ens160_core_probe(&spi->dev, regmap, spi->irq, "ens160");
33}
34
35static const struct of_device_id ens160_spi_of_match[] = {
36	{ .compatible = "sciosense,ens160" },
37	{ }
38};
39MODULE_DEVICE_TABLE(of, ens160_spi_of_match);
40
41static const struct spi_device_id ens160_spi_id[] = {
42	{ "ens160" },
43	{ }
44};
45MODULE_DEVICE_TABLE(spi, ens160_spi_id);
46
47static struct spi_driver ens160_spi_driver = {
48	.driver = {
49		.name	= "ens160",
50		.of_match_table = ens160_spi_of_match,
51		.pm = pm_sleep_ptr(&ens160_pm_ops),
52	},
53	.probe		= ens160_spi_probe,
54	.id_table	= ens160_spi_id,
55};
56module_spi_driver(ens160_spi_driver);
57
58MODULE_AUTHOR("Gustavo Silva <gustavograzs@gmail.com>");
59MODULE_DESCRIPTION("ScioSense ENS160 SPI driver");
60MODULE_LICENSE("GPL v2");
61MODULE_IMPORT_NS("IIO_ENS160");