xref: /openbmc/linux/drivers/iio/accel/kxsd9-i2c.c (revision 2612e3bbc0386368a850140a6c9b990cd496a5ec)
1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0
2a483ab79SLinus Walleij #include <linux/device.h>
3a483ab79SLinus Walleij #include <linux/kernel.h>
4a483ab79SLinus Walleij #include <linux/module.h>
53699e268SNishant Malpani #include <linux/mod_devicetable.h>
6a483ab79SLinus Walleij #include <linux/slab.h>
7a483ab79SLinus Walleij #include <linux/i2c.h>
8a483ab79SLinus Walleij #include <linux/delay.h>
9a483ab79SLinus Walleij #include <linux/regmap.h>
10a483ab79SLinus Walleij 
11a483ab79SLinus Walleij #include "kxsd9.h"
12a483ab79SLinus Walleij 
kxsd9_i2c_probe(struct i2c_client * i2c)132ba423feSUwe Kleine-König static int kxsd9_i2c_probe(struct i2c_client *i2c)
14a483ab79SLinus Walleij {
15a483ab79SLinus Walleij 	static const struct regmap_config config = {
16a483ab79SLinus Walleij 		.reg_bits = 8,
17a483ab79SLinus Walleij 		.val_bits = 8,
18a483ab79SLinus Walleij 		.max_register = 0x0e,
19a483ab79SLinus Walleij 	};
20a483ab79SLinus Walleij 	struct regmap *regmap;
21a483ab79SLinus Walleij 
22a483ab79SLinus Walleij 	regmap = devm_regmap_init_i2c(i2c, &config);
23a483ab79SLinus Walleij 	if (IS_ERR(regmap)) {
24f0bd45feSNishant Malpani 		dev_err(&i2c->dev, "Failed to register i2c regmap: %pe\n",
25f0bd45feSNishant Malpani 			regmap);
26a483ab79SLinus Walleij 		return PTR_ERR(regmap);
27a483ab79SLinus Walleij 	}
28a483ab79SLinus Walleij 
29a483ab79SLinus Walleij 	return kxsd9_common_probe(&i2c->dev,
30a483ab79SLinus Walleij 				  regmap,
31a483ab79SLinus Walleij 				  i2c->name);
32a483ab79SLinus Walleij }
33a483ab79SLinus Walleij 
kxsd9_i2c_remove(struct i2c_client * client)34ed5c2f5fSUwe Kleine-König static void kxsd9_i2c_remove(struct i2c_client *client)
35a483ab79SLinus Walleij {
36df2171c6SUwe Kleine-König 	kxsd9_common_remove(&client->dev);
37a483ab79SLinus Walleij }
38a483ab79SLinus Walleij 
39a483ab79SLinus Walleij static const struct of_device_id kxsd9_of_match[] = {
40a483ab79SLinus Walleij 	{ .compatible = "kionix,kxsd9", },
41a483ab79SLinus Walleij 	{ },
42a483ab79SLinus Walleij };
43a483ab79SLinus Walleij MODULE_DEVICE_TABLE(of, kxsd9_of_match);
44a483ab79SLinus Walleij 
45a483ab79SLinus Walleij static const struct i2c_device_id kxsd9_i2c_id[] = {
46a483ab79SLinus Walleij 	{"kxsd9", 0},
47a483ab79SLinus Walleij 	{ },
48a483ab79SLinus Walleij };
49a483ab79SLinus Walleij MODULE_DEVICE_TABLE(i2c, kxsd9_i2c_id);
50a483ab79SLinus Walleij 
51a483ab79SLinus Walleij static struct i2c_driver kxsd9_i2c_driver = {
52a483ab79SLinus Walleij 	.driver = {
53a483ab79SLinus Walleij 		.name	= "kxsd9",
543699e268SNishant Malpani 		.of_match_table = kxsd9_of_match,
55cb490b10SJonathan Cameron 		.pm = pm_ptr(&kxsd9_dev_pm_ops),
56a483ab79SLinus Walleij 	},
57*7cf15f42SUwe Kleine-König 	.probe		= kxsd9_i2c_probe,
58a483ab79SLinus Walleij 	.remove		= kxsd9_i2c_remove,
59a483ab79SLinus Walleij 	.id_table	= kxsd9_i2c_id,
60a483ab79SLinus Walleij };
61a483ab79SLinus Walleij module_i2c_driver(kxsd9_i2c_driver);
629a0ebbc9SLinus Walleij 
639a0ebbc9SLinus Walleij MODULE_LICENSE("GPL v2");
649a0ebbc9SLinus Walleij MODULE_DESCRIPTION("KXSD9 accelerometer I2C interface");
65c24ef124SJonathan Cameron MODULE_IMPORT_NS(IIO_KXSD9);
66