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, <c2947_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 = pm_sleep_ptr(<c2947_pm_ops),
40 },
41 .probe = 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
