1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * ADXL355 3-Axis Digital Accelerometer I2C driver
4 *
5 * Copyright (c) 2021 Puranjay Mohan <puranjay12@gmail.com>
6 */
7
8#include <linux/i2c.h>
9#include <linux/module.h>
10#include <linux/mod_devicetable.h>
11#include <linux/regmap.h>
12
13#include "adxl355.h"
14
15static const struct regmap_config adxl355_i2c_regmap_config = {
16	.reg_bits = 8,
17	.val_bits = 8,
18	.max_register = 0x2F,
19	.rd_table = &adxl355_readable_regs_tbl,
20	.wr_table = &adxl355_writeable_regs_tbl,
21};
22
23static int adxl355_i2c_probe(struct i2c_client *client)
24{
25	struct regmap *regmap;
26	const struct adxl355_chip_info *chip_data;
27
28	chip_data = i2c_get_match_data(client);
29	if (!chip_data)
30		return -ENODEV;
31
32	regmap = devm_regmap_init_i2c(client, &adxl355_i2c_regmap_config);
33	if (IS_ERR(regmap)) {
34		dev_err(&client->dev, "Error initializing i2c regmap: %ld\n",
35			PTR_ERR(regmap));
36
37		return PTR_ERR(regmap);
38	}
39
40	return adxl355_core_probe(&client->dev, regmap, chip_data);
41}
42
43static const struct i2c_device_id adxl355_i2c_id[] = {
44	{ "adxl355", (kernel_ulong_t)&adxl35x_chip_info[ADXL355] },
45	{ "adxl359", (kernel_ulong_t)&adxl35x_chip_info[ADXL359] },
46	{ }
47};
48MODULE_DEVICE_TABLE(i2c, adxl355_i2c_id);
49
50static const struct of_device_id adxl355_of_match[] = {
51	{ .compatible = "adi,adxl355", .data = &adxl35x_chip_info[ADXL355] },
52	{ .compatible = "adi,adxl359", .data = &adxl35x_chip_info[ADXL359] },
53	{ }
54};
55MODULE_DEVICE_TABLE(of, adxl355_of_match);
56
57static struct i2c_driver adxl355_i2c_driver = {
58	.driver = {
59		.name	= "adxl355_i2c",
60		.of_match_table = adxl355_of_match,
61	},
62	.probe		= adxl355_i2c_probe,
63	.id_table	= adxl355_i2c_id,
64};
65module_i2c_driver(adxl355_i2c_driver);
66
67MODULE_AUTHOR("Puranjay Mohan <puranjay12@gmail.com>");
68MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer I2C driver");
69MODULE_LICENSE("GPL v2");
70MODULE_IMPORT_NS(IIO_ADXL355);
71