xref: /linux/drivers/iio/accel/kxsd9-i2c.c (revision f3a8b6645dc2e60d11f20c1c23afd964ff4e55ae)
1 #include <linux/device.h>
2 #include <linux/kernel.h>
3 #include <linux/module.h>
4 #include <linux/slab.h>
5 #include <linux/i2c.h>
6 #include <linux/delay.h>
7 #include <linux/regmap.h>
8 
9 #include "kxsd9.h"
10 
11 static int kxsd9_i2c_probe(struct i2c_client *i2c,
12 			   const struct i2c_device_id *id)
13 {
14 	static const struct regmap_config config = {
15 		.reg_bits = 8,
16 		.val_bits = 8,
17 		.max_register = 0x0e,
18 	};
19 	struct regmap *regmap;
20 
21 	regmap = devm_regmap_init_i2c(i2c, &config);
22 	if (IS_ERR(regmap)) {
23 		dev_err(&i2c->dev, "Failed to register i2c regmap %d\n",
24 			(int)PTR_ERR(regmap));
25 		return PTR_ERR(regmap);
26 	}
27 
28 	return kxsd9_common_probe(&i2c->dev,
29 				  regmap,
30 				  i2c->name);
31 }
32 
33 static int kxsd9_i2c_remove(struct i2c_client *client)
34 {
35 	return kxsd9_common_remove(&client->dev);
36 }
37 
38 #ifdef CONFIG_OF
39 static const struct of_device_id kxsd9_of_match[] = {
40 	{ .compatible = "kionix,kxsd9", },
41 	{ },
42 };
43 MODULE_DEVICE_TABLE(of, kxsd9_of_match);
44 #else
45 #define kxsd9_of_match NULL
46 #endif
47 
48 static const struct i2c_device_id kxsd9_i2c_id[] = {
49 	{"kxsd9", 0},
50 	{ },
51 };
52 MODULE_DEVICE_TABLE(i2c, kxsd9_i2c_id);
53 
54 static struct i2c_driver kxsd9_i2c_driver = {
55 	.driver = {
56 		.name	= "kxsd9",
57 		.of_match_table = of_match_ptr(kxsd9_of_match),
58 		.pm = &kxsd9_dev_pm_ops,
59 	},
60 	.probe		= kxsd9_i2c_probe,
61 	.remove		= kxsd9_i2c_remove,
62 	.id_table	= kxsd9_i2c_id,
63 };
64 module_i2c_driver(kxsd9_i2c_driver);
65