xref: /linux/drivers/iio/accel/adxl372_spi.c (revision a13c7393)
1d9e8fd04SStefan Popa // SPDX-License-Identifier: GPL-2.0+
2d9e8fd04SStefan Popa /*
3d9e8fd04SStefan Popa  * ADXL372 3-Axis Digital Accelerometer SPI driver
4d9e8fd04SStefan Popa  *
5d9e8fd04SStefan Popa  * Copyright 2018 Analog Devices Inc.
6d9e8fd04SStefan Popa  */
7d9e8fd04SStefan Popa 
8d9e8fd04SStefan Popa #include <linux/module.h>
9*a13c7393SJonathan Cameron #include <linux/mod_devicetable.h>
10d9e8fd04SStefan Popa #include <linux/regmap.h>
11d9e8fd04SStefan Popa #include <linux/spi/spi.h>
12d9e8fd04SStefan Popa 
13d9e8fd04SStefan Popa #include "adxl372.h"
14d9e8fd04SStefan Popa 
15d9e8fd04SStefan Popa static const struct regmap_config adxl372_spi_regmap_config = {
16d9e8fd04SStefan Popa 	.reg_bits = 7,
17d9e8fd04SStefan Popa 	.pad_bits = 1,
18d9e8fd04SStefan Popa 	.val_bits = 8,
19d9e8fd04SStefan Popa 	.read_flag_mask = BIT(0),
20d9e8fd04SStefan Popa 	.readable_noinc_reg = adxl372_readable_noinc_reg,
21d9e8fd04SStefan Popa };
22d9e8fd04SStefan Popa 
adxl372_spi_probe(struct spi_device * spi)23d9e8fd04SStefan Popa static int adxl372_spi_probe(struct spi_device *spi)
24d9e8fd04SStefan Popa {
25d9e8fd04SStefan Popa 	const struct spi_device_id *id = spi_get_device_id(spi);
26d9e8fd04SStefan Popa 	struct regmap *regmap;
27d9e8fd04SStefan Popa 
28d9e8fd04SStefan Popa 	regmap = devm_regmap_init_spi(spi, &adxl372_spi_regmap_config);
29d9e8fd04SStefan Popa 	if (IS_ERR(regmap))
30d9e8fd04SStefan Popa 		return PTR_ERR(regmap);
31d9e8fd04SStefan Popa 
32d9e8fd04SStefan Popa 	return adxl372_probe(&spi->dev, regmap, spi->irq, id->name);
33d9e8fd04SStefan Popa }
34d9e8fd04SStefan Popa 
35d9e8fd04SStefan Popa static const struct spi_device_id adxl372_spi_id[] = {
36d9e8fd04SStefan Popa 	{ "adxl372", 0 },
37d9e8fd04SStefan Popa 	{}
38d9e8fd04SStefan Popa };
39d9e8fd04SStefan Popa MODULE_DEVICE_TABLE(spi, adxl372_spi_id);
40d9e8fd04SStefan Popa 
41311def4cSDaniel Gomez static const struct of_device_id adxl372_of_match[] = {
42311def4cSDaniel Gomez 	{ .compatible = "adi,adxl372" },
439b3b3b28SAlexandru Ardelean 	{ }
44311def4cSDaniel Gomez };
45311def4cSDaniel Gomez MODULE_DEVICE_TABLE(of, adxl372_of_match);
46311def4cSDaniel Gomez 
47d9e8fd04SStefan Popa static struct spi_driver adxl372_spi_driver = {
48d9e8fd04SStefan Popa 	.driver = {
49d9e8fd04SStefan Popa 		.name = "adxl372_spi",
50311def4cSDaniel Gomez 		.of_match_table = adxl372_of_match,
51d9e8fd04SStefan Popa 	},
52d9e8fd04SStefan Popa 	.probe = adxl372_spi_probe,
53d9e8fd04SStefan Popa 	.id_table = adxl372_spi_id,
54d9e8fd04SStefan Popa };
55d9e8fd04SStefan Popa 
56d9e8fd04SStefan Popa module_spi_driver(adxl372_spi_driver);
57d9e8fd04SStefan Popa 
58d9e8fd04SStefan Popa MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
59d9e8fd04SStefan Popa MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer SPI driver");
60d9e8fd04SStefan Popa MODULE_LICENSE("GPL");
61489c75afSJonathan Cameron MODULE_IMPORT_NS(IIO_ADXL372);
62