1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2022 ROHM Semiconductors
4 *
5 * ROHM/KIONIX KX022A accelerometer driver
6 */
7
8 #include <linux/i2c.h>
9 #include <linux/interrupt.h>
10 #include <linux/module.h>
11 #include <linux/regmap.h>
12
13 #include "kionix-kx022a.h"
14
kx022a_i2c_probe(struct i2c_client * i2c)15 static int kx022a_i2c_probe(struct i2c_client *i2c)
16 {
17 struct device *dev = &i2c->dev;
18 struct regmap *regmap;
19
20 if (!i2c->irq) {
21 dev_err(dev, "No IRQ configured\n");
22 return -EINVAL;
23 }
24
25 regmap = devm_regmap_init_i2c(i2c, &kx022a_regmap);
26 if (IS_ERR(regmap))
27 return dev_err_probe(dev, PTR_ERR(regmap),
28 "Failed to initialize Regmap\n");
29
30 return kx022a_probe_internal(dev);
31 }
32
33 static const struct of_device_id kx022a_of_match[] = {
34 { .compatible = "kionix,kx022a", },
35 { }
36 };
37 MODULE_DEVICE_TABLE(of, kx022a_of_match);
38
39 static struct i2c_driver kx022a_i2c_driver = {
40 .driver = {
41 .name = "kx022a-i2c",
42 .of_match_table = kx022a_of_match,
43 .probe_type = PROBE_PREFER_ASYNCHRONOUS,
44 },
45 .probe = kx022a_i2c_probe,
46 };
47 module_i2c_driver(kx022a_i2c_driver);
48
49 MODULE_DESCRIPTION("ROHM/Kionix KX022A accelerometer driver");
50 MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
51 MODULE_LICENSE("GPL");
52 MODULE_IMPORT_NS(IIO_KX022A);
53