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50 lines
1.1 KiB
50 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Analog Devices LTC2947 high precision power and energy monitor over SPI |
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* |
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* Copyright 2019 Analog Devices Inc. |
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*/ |
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#include <linux/module.h> |
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#include <linux/of.h> |
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#include <linux/regmap.h> |
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#include <linux/spi/spi.h> |
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#include "ltc2947.h" |
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static const struct regmap_config ltc2947_regmap_config = { |
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.reg_bits = 16, |
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.val_bits = 8, |
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.read_flag_mask = BIT(0), |
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}; |
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static int ltc2947_probe(struct spi_device *spi) |
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{ |
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struct regmap *map; |
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map = devm_regmap_init_spi(spi, <c2947_regmap_config); |
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if (IS_ERR(map)) |
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return PTR_ERR(map); |
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return ltc2947_core_probe(map, spi_get_device_id(spi)->name); |
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} |
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static const struct spi_device_id ltc2947_id[] = { |
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{"ltc2947", 0}, |
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{} |
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}; |
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MODULE_DEVICE_TABLE(spi, ltc2947_id); |
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static struct spi_driver ltc2947_driver = { |
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.driver = { |
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.name = "ltc2947", |
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.of_match_table = ltc2947_of_match, |
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.pm = <c2947_pm_ops, |
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}, |
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.probe = ltc2947_probe, |
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.id_table = ltc2947_id, |
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}; |
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module_spi_driver(ltc2947_driver); |
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MODULE_AUTHOR("Nuno Sa <[email protected]>"); |
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MODULE_DESCRIPTION("LTC2947 SPI power and energy monitor driver"); |
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MODULE_LICENSE("GPL");
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