drivers/hwmon/pmbus/max20751.c

   1 /*
   2  * Hardware monitoring driver for Maxim MAX20751
   3  *
   4  * Copyright (c) 2015 Guenter Roeck
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <linux/kernel.h>
  18 #include <linux/module.h>
  19 #include <linux/init.h>
  20 #include <linux/err.h>
  21 #include <linux/i2c.h>
  22 #include "pmbus.h"
  23
  24 static struct pmbus_driver_info max20751_info = {
  25         .pages = 1,
  26         .format[PSC_VOLTAGE_IN] = linear,
  27         .format[PSC_VOLTAGE_OUT] = vid,
  28         .vrm_version = vr12,
  29         .format[PSC_TEMPERATURE] = linear,
  30         .format[PSC_CURRENT_OUT] = linear,
  31         .format[PSC_POWER] = linear,
  32         .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
  33                 PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
  34                 PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |
  35                 PMBUS_HAVE_POUT,
  36 };
  37
  38 static int max20751_probe(struct i2c_client *client,
  39                           const struct i2c_device_id *id)
  40 {
  41         return pmbus_do_probe(client, id, &max20751_info);
  42 }
  43
  44 static const struct i2c_device_id max20751_id[] = {
  45         {"max20751", 0},
  46         {}
  47 };
  48
  49 MODULE_DEVICE_TABLE(i2c, max20751_id);
  50
  51 static struct i2c_driver max20751_driver = {
  52         .driver = {
  53                    .name = "max20751",
  54                    },
  55         .probe = max20751_probe,
  56         .remove = pmbus_do_remove,
  57         .id_table = max20751_id,
  58 };
  59
  60 module_i2c_driver(max20751_driver);
  61
  62 MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
  63 MODULE_DESCRIPTION("PMBus driver for Maxim MAX20751");
  64 MODULE_LICENSE("GPL");