xref: /openbmc/linux/drivers/iio/accel/adxl372_spi.c (revision b830f94f)
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/regmap.h>
10 #include <linux/of.h>
11 #include <linux/of_device.h>
12 #include <linux/spi/spi.h>
13 
14 #include "adxl372.h"
15 
16 static const struct regmap_config adxl372_spi_regmap_config = {
17 	.reg_bits = 7,
18 	.pad_bits = 1,
19 	.val_bits = 8,
20 	.read_flag_mask = BIT(0),
21 	.readable_noinc_reg = adxl372_readable_noinc_reg,
22 };
23 
24 static int adxl372_spi_probe(struct spi_device *spi)
25 {
26 	const struct spi_device_id *id = spi_get_device_id(spi);
27 	struct regmap *regmap;
28 
29 	regmap = devm_regmap_init_spi(spi, &adxl372_spi_regmap_config);
30 	if (IS_ERR(regmap))
31 		return PTR_ERR(regmap);
32 
33 	return adxl372_probe(&spi->dev, regmap, spi->irq, id->name);
34 }
35 
36 static const struct spi_device_id adxl372_spi_id[] = {
37 	{ "adxl372", 0 },
38 	{}
39 };
40 MODULE_DEVICE_TABLE(spi, adxl372_spi_id);
41 
42 static const struct of_device_id adxl372_of_match[] = {
43         { .compatible = "adi,adxl372" },
44         { },
45 };
46 MODULE_DEVICE_TABLE(of, adxl372_of_match);
47 
48 static struct spi_driver adxl372_spi_driver = {
49 	.driver = {
50 		.name = "adxl372_spi",
51 		.of_match_table = adxl372_of_match,
52 	},
53 	.probe = adxl372_spi_probe,
54 	.id_table = adxl372_spi_id,
55 };
56 
57 module_spi_driver(adxl372_spi_driver);
58 
59 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
60 MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer SPI driver");
61 MODULE_LICENSE("GPL");
62