drivers/hwmon/ltc2947-i2c.c

   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
  18 static int ltc2947_probe(struct i2c_client *i2c,
  19                          const struct i2c_device_id *id)
  20 {
  21         struct regmap *map;
  22
  23         map = devm_regmap_init_i2c(i2c, &ltc2947_regmap_config);
  24         if (IS_ERR(map))
  25                 return PTR_ERR(map);
  26
  27         return ltc2947_core_probe(map, i2c->name);
  28 }
  29
  30 static const struct i2c_device_id ltc2947_id[] = {
  31         {"ltc2947", 0},
  32         {}
  33 };
  34 MODULE_DEVICE_TABLE(i2c, ltc2947_id);
  35
  36 static struct i2c_driver ltc2947_driver = {
  37         .driver = {
  38                 .name = "ltc2947",
  39                 .of_match_table = ltc2947_of_match,
  40                 .pm = &ltc2947_pm_ops,
  41         },
  42         .probe = ltc2947_probe,
  43         .id_table = ltc2947_id,
  44 };
  45 module_i2c_driver(ltc2947_driver);
  46
  47 MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");
  48 MODULE_DESCRIPTION("LTC2947 I2C power and energy monitor driver");
  49 MODULE_LICENSE("GPL");