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1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * Analog Devices LTC2947 high precision power and energy monitor over SPI | |
4 | * | |
5 | * Copyright 2019 Analog Devices Inc. | |
6 | */ | |
7 | #include <linux/module.h> | |
8 | #include <linux/of.h> | |
9 | #include <linux/regmap.h> | |
10 | #include <linux/spi/spi.h> | |
11 | ||
12 | #include "ltc2947.h" | |
13 | ||
14 | static const struct regmap_config ltc2947_regmap_config = { | |
15 | .reg_bits = 16, | |
16 | .val_bits = 8, | |
17 | .read_flag_mask = BIT(0), | |
18 | }; | |
19 | ||
20 | static int ltc2947_probe(struct spi_device *spi) | |
21 | { | |
22 | struct regmap *map; | |
23 | ||
24 | map = devm_regmap_init_spi(spi, <c2947_regmap_config); | |
25 | if (IS_ERR(map)) | |
26 | return PTR_ERR(map); | |
27 | ||
28 | return ltc2947_core_probe(map, spi_get_device_id(spi)->name); | |
29 | } | |
30 | ||
31 | static const struct spi_device_id ltc2947_id[] = { | |
32 | {"ltc2947", 0}, | |
33 | {} | |
34 | }; | |
35 | MODULE_DEVICE_TABLE(spi, ltc2947_id); | |
36 | ||
37 | static struct spi_driver ltc2947_driver = { | |
38 | .driver = { | |
39 | .name = "ltc2947", | |
40 | .of_match_table = ltc2947_of_match, | |
ca19f965 | 41 | .pm = pm_sleep_ptr(<c2947_pm_ops), |
9f90fd65 NS |
42 | }, |
43 | .probe = ltc2947_probe, | |
44 | .id_table = ltc2947_id, | |
45 | }; | |
46 | module_spi_driver(ltc2947_driver); | |
47 | ||
48 | MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>"); | |
49 | MODULE_DESCRIPTION("LTC2947 SPI power and energy monitor driver"); | |
50 | MODULE_LICENSE("GPL"); |