1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Analog Devices LTC2947 high precision power and energy monitor over I2C
4  *
5  * Copyright 2019 Analog Devices Inc.
6  */
7 #include <linux/i2c.h>
8 #include <linux/module.h>
9 #include <linux/regmap.h>
10 
11 #include "ltc2947.h"
12 
13 static const struct regmap_config ltc2947_regmap_config = {
14 	.reg_bits = 8,
15 	.val_bits = 8,
16 };
17 
ltc2947_probe(struct i2c_client * i2c)18 static int ltc2947_probe(struct i2c_client *i2c)
19 {
20 	struct regmap *map;
21 
22 	map = devm_regmap_init_i2c(i2c, &ltc2947_regmap_config);
23 	if (IS_ERR(map))
24 		return PTR_ERR(map);
25 
26 	return ltc2947_core_probe(map, i2c->name);
27 }
28 
29 static const struct i2c_device_id ltc2947_id[] = {
30 	{"ltc2947", 0},
31 	{}
32 };
33 MODULE_DEVICE_TABLE(i2c, ltc2947_id);
34 
35 static struct i2c_driver ltc2947_driver = {
36 	.driver = {
37 		.name = "ltc2947",
38 		.of_match_table = ltc2947_of_match,
39 		.pm = &ltc2947_pm_ops,
40 	},
41 	.probe_new = ltc2947_probe,
42 	.id_table = ltc2947_id,
43 };
44 module_i2c_driver(ltc2947_driver);
45 
46 MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");
47 MODULE_DESCRIPTION("LTC2947 I2C power and energy monitor driver");
48 MODULE_LICENSE("GPL");
49