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