drivers/hwmon/pmbus/max20751.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Hardware monitoring driver for Maxim MAX20751
   4  *
   5  * Copyright (c) 2015 Guenter Roeck
   6  */
   7
   8 #include <linux/kernel.h>
   9 #include <linux/module.h>
  10 #include <linux/init.h>
  11 #include <linux/err.h>
  12 #include <linux/i2c.h>
  13 #include "pmbus.h"
  14
  15 static struct pmbus_driver_info max20751_info = {
  16         .pages = 1,
  17         .format[PSC_VOLTAGE_IN] = linear,
  18         .format[PSC_VOLTAGE_OUT] = vid,
  19         .vrm_version[0] = vr12,
  20         .format[PSC_TEMPERATURE] = linear,
  21         .format[PSC_CURRENT_OUT] = linear,
  22         .format[PSC_POWER] = linear,
  23         .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
  24                 PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
  25                 PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |
  26                 PMBUS_HAVE_POUT,
  27 };
  28
  29 static int max20751_probe(struct i2c_client *client)
  30 {
  31         return pmbus_do_probe(client, &max20751_info);
  32 }
  33
  34 static const struct i2c_device_id max20751_id[] = {
  35         {"max20751", 0},
  36         {}
  37 };
  38
  39 MODULE_DEVICE_TABLE(i2c, max20751_id);
  40
  41 static struct i2c_driver max20751_driver = {
  42         .driver = {
  43                    .name = "max20751",
  44                    },
  45         .probe_new = max20751_probe,
  46         .id_table = max20751_id,
  47 };
  48
  49 module_i2c_driver(max20751_driver);
  50
  51 MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
  52 MODULE_DESCRIPTION("PMBus driver for Maxim MAX20751");
  53 MODULE_LICENSE("GPL");