Nuno Sá | 9f90fd6 | 2019-10-21 17:41:14 +0200 | [diff] [blame] | 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 | |
Stephen Kitt | c1e60c0d | 2020-08-13 18:28:51 +0200 | [diff] [blame] | 18 | static int ltc2947_probe(struct i2c_client *i2c) |
Nuno Sá | 9f90fd6 | 2019-10-21 17:41:14 +0200 | [diff] [blame] | 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 = <c2947_pm_ops, |
| 40 | }, |
Stephen Kitt | c1e60c0d | 2020-08-13 18:28:51 +0200 | [diff] [blame] | 41 | .probe_new = ltc2947_probe, |
Nuno Sá | 9f90fd6 | 2019-10-21 17:41:14 +0200 | [diff] [blame] | 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"); |