xref: /OK3568_Linux_fs/kernel/drivers/iio/accel/kxsd9-i2c.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <linux/device.h>
3*4882a593Smuzhiyun #include <linux/kernel.h>
4*4882a593Smuzhiyun #include <linux/module.h>
5*4882a593Smuzhiyun #include <linux/mod_devicetable.h>
6*4882a593Smuzhiyun #include <linux/slab.h>
7*4882a593Smuzhiyun #include <linux/i2c.h>
8*4882a593Smuzhiyun #include <linux/delay.h>
9*4882a593Smuzhiyun #include <linux/regmap.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include "kxsd9.h"
12*4882a593Smuzhiyun 
kxsd9_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)13*4882a593Smuzhiyun static int kxsd9_i2c_probe(struct i2c_client *i2c,
14*4882a593Smuzhiyun 			   const struct i2c_device_id *id)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	static const struct regmap_config config = {
17*4882a593Smuzhiyun 		.reg_bits = 8,
18*4882a593Smuzhiyun 		.val_bits = 8,
19*4882a593Smuzhiyun 		.max_register = 0x0e,
20*4882a593Smuzhiyun 	};
21*4882a593Smuzhiyun 	struct regmap *regmap;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	regmap = devm_regmap_init_i2c(i2c, &config);
24*4882a593Smuzhiyun 	if (IS_ERR(regmap)) {
25*4882a593Smuzhiyun 		dev_err(&i2c->dev, "Failed to register i2c regmap: %pe\n",
26*4882a593Smuzhiyun 			regmap);
27*4882a593Smuzhiyun 		return PTR_ERR(regmap);
28*4882a593Smuzhiyun 	}
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun 	return kxsd9_common_probe(&i2c->dev,
31*4882a593Smuzhiyun 				  regmap,
32*4882a593Smuzhiyun 				  i2c->name);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun 
kxsd9_i2c_remove(struct i2c_client * client)35*4882a593Smuzhiyun static int kxsd9_i2c_remove(struct i2c_client *client)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun 	return kxsd9_common_remove(&client->dev);
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun static const struct of_device_id kxsd9_of_match[] = {
41*4882a593Smuzhiyun 	{ .compatible = "kionix,kxsd9", },
42*4882a593Smuzhiyun 	{ },
43*4882a593Smuzhiyun };
44*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, kxsd9_of_match);
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun static const struct i2c_device_id kxsd9_i2c_id[] = {
47*4882a593Smuzhiyun 	{"kxsd9", 0},
48*4882a593Smuzhiyun 	{ },
49*4882a593Smuzhiyun };
50*4882a593Smuzhiyun MODULE_DEVICE_TABLE(i2c, kxsd9_i2c_id);
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun static struct i2c_driver kxsd9_i2c_driver = {
53*4882a593Smuzhiyun 	.driver = {
54*4882a593Smuzhiyun 		.name	= "kxsd9",
55*4882a593Smuzhiyun 		.of_match_table = kxsd9_of_match,
56*4882a593Smuzhiyun 		.pm = &kxsd9_dev_pm_ops,
57*4882a593Smuzhiyun 	},
58*4882a593Smuzhiyun 	.probe		= kxsd9_i2c_probe,
59*4882a593Smuzhiyun 	.remove		= kxsd9_i2c_remove,
60*4882a593Smuzhiyun 	.id_table	= kxsd9_i2c_id,
61*4882a593Smuzhiyun };
62*4882a593Smuzhiyun module_i2c_driver(kxsd9_i2c_driver);
63*4882a593Smuzhiyun 
64*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
65*4882a593Smuzhiyun MODULE_DESCRIPTION("KXSD9 accelerometer I2C interface");
66