arch/mips/dec/platform.c

   1 /*
   2  *      DEC platform devices.
   3  *
   4  *      Copyright (c) 2014  Maciej W. Rozycki
   5  *
   6  *      This program is free software; you can redistribute it and/or
   7  *      modify it under the terms of the GNU General Public License
   8  *      as published by the Free Software Foundation; either version
   9  *      2 of the License, or (at your option) any later version.
  10  */
  11
  12 #include <linux/ioport.h>
  13 #include <linux/kernel.h>
  14 #include <linux/mc146818rtc.h>
  15 #include <linux/platform_device.h>
  16
  17 static struct resource dec_rtc_resources[] = {
  18         {
  19                 .name = "rtc",
  20                 .flags = IORESOURCE_MEM,
  21         },
  22 };
  23
  24 static struct cmos_rtc_board_info dec_rtc_info = {
  25         .flags = CMOS_RTC_FLAGS_NOFREQ,
  26         .address_space = 64,
  27 };
  28
  29 static struct platform_device dec_rtc_device = {
  30         .name = "rtc_cmos",
  31         .id = PLATFORM_DEVID_NONE,
  32         .dev.platform_data = &dec_rtc_info,
  33         .resource = dec_rtc_resources,
  34         .num_resources = ARRAY_SIZE(dec_rtc_resources),
  35 };
  36
  37 static int __init dec_add_devices(void)
  38 {
  39         dec_rtc_resources[0].start = RTC_PORT(0);
  40         dec_rtc_resources[0].end = RTC_PORT(0) + dec_kn_slot_size - 1;
  41         return platform_device_register(&dec_rtc_device);
  42 }
  43
  44 device_initcall(dec_add_devices);