adxl380_spi.c

 1// SPDX-License-Identifier: GPL-2.0+
 2/*
 3 * ADXL380 3-Axis Digital Accelerometer SPI driver
 4 *
 5 * Copyright 2024 Analog Devices Inc.
 6 */
 7
 8#include <linux/mod_devicetable.h>
 9#include <linux/module.h>
10#include <linux/regmap.h>
11#include <linux/spi/spi.h>
12
13#include "adxl380.h"
14
15static const struct regmap_config adxl380_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 = adxl380_readable_noinc_reg,
21};
22
23static int adxl380_spi_probe(struct spi_device *spi)
24{
25	const struct adxl380_chip_info *chip_data;
26	struct regmap *regmap;
27
28	chip_data = spi_get_device_match_data(spi);
29
30	regmap = devm_regmap_init_spi(spi, &adxl380_spi_regmap_config);
31	if (IS_ERR(regmap))
32		return PTR_ERR(regmap);
33
34	return adxl380_probe(&spi->dev, regmap, chip_data);
35}
36
37static const struct spi_device_id adxl380_spi_id[] = {
38	{ "adxl318", (kernel_ulong_t)&adxl318_chip_info },
39	{ "adxl319", (kernel_ulong_t)&adxl319_chip_info },
40	{ "adxl380", (kernel_ulong_t)&adxl380_chip_info },
41	{ "adxl382", (kernel_ulong_t)&adxl382_chip_info },
42	{ }
43};
44MODULE_DEVICE_TABLE(spi, adxl380_spi_id);
45
46static const struct of_device_id adxl380_of_match[] = {
47	{ .compatible = "adi,adxl318", .data = &adxl318_chip_info },
48	{ .compatible = "adi,adxl319", .data = &adxl319_chip_info },
49	{ .compatible = "adi,adxl380", .data = &adxl380_chip_info },
50	{ .compatible = "adi,adxl382", .data = &adxl382_chip_info },
51	{ }
52};
53MODULE_DEVICE_TABLE(of, adxl380_of_match);
54
55static struct spi_driver adxl380_spi_driver = {
56	.driver = {
57		.name = "adxl380_spi",
58		.of_match_table = adxl380_of_match,
59	},
60	.probe = adxl380_spi_probe,
61	.id_table = adxl380_spi_id,
62};
63
64module_spi_driver(adxl380_spi_driver);
65
66MODULE_AUTHOR("Ramona Gradinariu <ramona.gradinariu@analog.com>");
67MODULE_AUTHOR("Antoniu Miclaus <antoniu.miclaus@analog.com>");
68MODULE_DESCRIPTION("Analog Devices ADXL380 3-axis accelerometer SPI driver");
69MODULE_LICENSE("GPL");
70MODULE_IMPORT_NS("IIO_ADXL380");