linux/drivers/hwmon/ltc2947-spi.c
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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
  14static const struct regmap_config ltc2947_regmap_config = {
  15        .reg_bits = 16,
  16        .val_bits = 8,
  17        .read_flag_mask = BIT(0),
  18};
  19
  20static int ltc2947_probe(struct spi_device *spi)
  21{
  22        struct regmap *map;
  23
  24        map = devm_regmap_init_spi(spi, &ltc2947_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
  31static const struct spi_device_id ltc2947_id[] = {
  32        {"ltc2947", 0},
  33        {}
  34};
  35MODULE_DEVICE_TABLE(spi, ltc2947_id);
  36
  37static struct spi_driver ltc2947_driver = {
  38        .driver = {
  39                .name = "ltc2947",
  40                .of_match_table = ltc2947_of_match,
  41                .pm = &ltc2947_pm_ops,
  42        },
  43        .probe = ltc2947_probe,
  44        .id_table = ltc2947_id,
  45};
  46module_spi_driver(ltc2947_driver);
  47
  48MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");
  49MODULE_DESCRIPTION("LTC2947 SPI power and energy monitor driver");
  50MODULE_LICENSE("GPL");
  51