adxl372_spi.c

 1// SPDX-License-Identifier: GPL-2.0+
 2/*
 3 * ADXL372 3-Axis Digital Accelerometer SPI driver
 4 *
 5 * Copyright 2018 Analog Devices Inc.
 6 */
 7
 8#include <linux/module.h>
 9#include <linux/mod_devicetable.h>
10#include <linux/regmap.h>
11#include <linux/spi/spi.h>
12
13#include "adxl372.h"
14
15static const struct regmap_config adxl372_spi_regmap_config = {
16	.reg_bits = 7,
17	.pad_bits = 1,
18	.val_bits = 8,
19	.read_flag_mask = BIT(0),
20	.readable_noinc_reg = adxl372_readable_noinc_reg,
21};
22
23static int adxl372_spi_probe(struct spi_device *spi)
24{
25	const struct spi_device_id *id = spi_get_device_id(spi);
26	struct regmap *regmap;
27
28	regmap = devm_regmap_init_spi(spi, &adxl372_spi_regmap_config);
29	if (IS_ERR(regmap))
30		return PTR_ERR(regmap);
31
32	return adxl372_probe(&spi->dev, regmap, spi->irq, id->name);
33}
34
35static const struct spi_device_id adxl372_spi_id[] = {
36	{ "adxl372", 0 },
37	{ }
38};
39MODULE_DEVICE_TABLE(spi, adxl372_spi_id);
40
41static const struct of_device_id adxl372_of_match[] = {
42	{ .compatible = "adi,adxl372" },
43	{ }
44};
45MODULE_DEVICE_TABLE(of, adxl372_of_match);
46
47static struct spi_driver adxl372_spi_driver = {
48	.driver = {
49		.name = "adxl372_spi",
50		.of_match_table = adxl372_of_match,
51	},
52	.probe = adxl372_spi_probe,
53	.id_table = adxl372_spi_id,
54};
55
56module_spi_driver(adxl372_spi_driver);
57
58MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
59MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer SPI driver");
60MODULE_LICENSE("GPL");
61MODULE_IMPORT_NS("IIO_ADXL372");