xref: /openbmc/linux/drivers/iio/gyro/bmg160_i2c.c (revision 9cfc5c90)
1 #include <linux/i2c.h>
2 #include <linux/regmap.h>
3 #include <linux/iio/iio.h>
4 #include <linux/module.h>
5 #include <linux/acpi.h>
6 
7 #include "bmg160.h"
8 
9 static const struct regmap_config bmg160_regmap_i2c_conf = {
10 	.reg_bits = 8,
11 	.val_bits = 8,
12 	.max_register = 0x3f
13 };
14 
15 static int bmg160_i2c_probe(struct i2c_client *client,
16 			    const struct i2c_device_id *id)
17 {
18 	struct regmap *regmap;
19 	const char *name = NULL;
20 
21 	regmap = devm_regmap_init_i2c(client, &bmg160_regmap_i2c_conf);
22 	if (IS_ERR(regmap)) {
23 		dev_err(&client->dev, "Failed to register i2c regmap %d\n",
24 			(int)PTR_ERR(regmap));
25 		return PTR_ERR(regmap);
26 	}
27 
28 	if (id)
29 		name = id->name;
30 
31 	return bmg160_core_probe(&client->dev, regmap, client->irq, name);
32 }
33 
34 static int bmg160_i2c_remove(struct i2c_client *client)
35 {
36 	bmg160_core_remove(&client->dev);
37 
38 	return 0;
39 }
40 
41 static const struct acpi_device_id bmg160_acpi_match[] = {
42 	{"BMG0160", 0},
43 	{"BMI055B", 0},
44 	{},
45 };
46 
47 MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
48 
49 static const struct i2c_device_id bmg160_i2c_id[] = {
50 	{"bmg160", 0},
51 	{"bmi055_gyro", 0},
52 	{}
53 };
54 
55 MODULE_DEVICE_TABLE(i2c, bmg160_i2c_id);
56 
57 static struct i2c_driver bmg160_i2c_driver = {
58 	.driver = {
59 		.name	= "bmg160_i2c",
60 		.acpi_match_table = ACPI_PTR(bmg160_acpi_match),
61 		.pm	= &bmg160_pm_ops,
62 	},
63 	.probe		= bmg160_i2c_probe,
64 	.remove		= bmg160_i2c_remove,
65 	.id_table	= bmg160_i2c_id,
66 };
67 module_i2c_driver(bmg160_i2c_driver);
68 
69 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
70 MODULE_LICENSE("GPL v2");
71 MODULE_DESCRIPTION("BMG160 I2C Gyro driver");
72