| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * Analog Devices LTC2947 high precision power and energy monitor over I2C |
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| 4 | * |
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| 5 | * Copyright 2019 Analog Devices Inc. |
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| 6 | */ |
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| 7 | #include <linux/i2c.h> |
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| 8 | #include <linux/module.h> |
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| 9 | #include <linux/regmap.h> |
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| 10 | |
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| 11 | #include "ltc2947.h" |
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| 12 | |
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| 13 | static const struct regmap_config ltc2947_regmap_config = { |
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| 14 | .reg_bits = 8, |
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| 15 | .val_bits = 8, |
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| 16 | }; |
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| 17 | |
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| 18 | static int ltc2947_probe(struct i2c_client *i2c) |
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| 19 | { |
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| 20 | struct regmap *map; |
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| 21 | |
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| 22 | map = devm_regmap_init_i2c(i2c, <c2947_regmap_config); |
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| 23 | if (IS_ERR(ptr: map)) |
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| 24 | return PTR_ERR(ptr: map); |
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| 25 | |
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| 26 | return ltc2947_core_probe(map, name: i2c->name); |
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| 27 | } |
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| 28 | |
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| 29 | static const struct i2c_device_id ltc2947_id[] = { |
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| 30 | {"ltc2947" , 0}, |
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| 31 | {} |
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| 32 | }; |
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| 33 | MODULE_DEVICE_TABLE(i2c, ltc2947_id); |
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| 34 | |
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| 35 | static struct i2c_driver ltc2947_driver = { |
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| 36 | .driver = { |
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| 37 | .name = "ltc2947" , |
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| 38 | .of_match_table = ltc2947_of_match, |
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| 39 | .pm = pm_sleep_ptr(<c2947_pm_ops), |
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| 40 | }, |
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| 41 | .probe = ltc2947_probe, |
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| 42 | .id_table = ltc2947_id, |
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| 43 | }; |
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| 44 | module_i2c_driver(ltc2947_driver); |
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| 45 | |
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| 46 | MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>" ); |
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| 47 | MODULE_DESCRIPTION("LTC2947 I2C power and energy monitor driver" ); |
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| 48 | MODULE_LICENSE("GPL" ); |
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| 49 | |
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