1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Driver for NXP FXAS21002C Gyroscope - I2C
4 *
5 * Copyright (C) 2018 Linaro Ltd.
6 */
7
8 #include <linux/err.h>
9 #include <linux/i2c.h>
10 #include <linux/mod_devicetable.h>
11 #include <linux/module.h>
12 #include <linux/regmap.h>
13
14 #include "fxas21002c.h"
15
16 static const struct regmap_config fxas21002c_regmap_i2c_conf = {
17 .reg_bits = 8,
18 .val_bits = 8,
19 .max_register = FXAS21002C_REG_CTRL3,
20 };
21
fxas21002c_i2c_probe(struct i2c_client * i2c)22 static int fxas21002c_i2c_probe(struct i2c_client *i2c)
23 {
24 struct regmap *regmap;
25
26 regmap = devm_regmap_init_i2c(i2c, &fxas21002c_regmap_i2c_conf);
27 if (IS_ERR(regmap)) {
28 dev_err(&i2c->dev, "Failed to register i2c regmap: %ld\n",
29 PTR_ERR(regmap));
30 return PTR_ERR(regmap);
31 }
32
33 return fxas21002c_core_probe(&i2c->dev, regmap, i2c->irq, i2c->name);
34 }
35
fxas21002c_i2c_remove(struct i2c_client * i2c)36 static void fxas21002c_i2c_remove(struct i2c_client *i2c)
37 {
38 fxas21002c_core_remove(&i2c->dev);
39 }
40
41 static const struct i2c_device_id fxas21002c_i2c_id[] = {
42 { "fxas21002c", 0 },
43 { }
44 };
45 MODULE_DEVICE_TABLE(i2c, fxas21002c_i2c_id);
46
47 static const struct of_device_id fxas21002c_i2c_of_match[] = {
48 { .compatible = "nxp,fxas21002c", },
49 { }
50 };
51 MODULE_DEVICE_TABLE(of, fxas21002c_i2c_of_match);
52
53 static struct i2c_driver fxas21002c_i2c_driver = {
54 .driver = {
55 .name = "fxas21002c_i2c",
56 .pm = pm_ptr(&fxas21002c_pm_ops),
57 .of_match_table = fxas21002c_i2c_of_match,
58 },
59 .probe = fxas21002c_i2c_probe,
60 .remove = fxas21002c_i2c_remove,
61 .id_table = fxas21002c_i2c_id,
62 };
63 module_i2c_driver(fxas21002c_i2c_driver);
64
65 MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>");
66 MODULE_LICENSE("GPL v2");
67 MODULE_DESCRIPTION("FXAS21002C I2C Gyro driver");
68 MODULE_IMPORT_NS(IIO_FXAS21002C);
69