LXR linux/arch/mips/cobalt/led.c

   1/*
   2 *  Registration of Cobalt LED platform device.
   3 *
   4 *  Copyright (C) 2007  Yoichi Yuasa <yuasa@linux-mips.org>
   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 *  You should have received a copy of the GNU General Public License
  17 *  along with this program; if not, write to the Free Software
  18 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19 */
  20#include <linux/errno.h>
  21#include <linux/init.h>
  22#include <linux/ioport.h>
  23#include <linux/platform_device.h>
  24
  25#include <cobalt.h>
  26
  27static struct resource cobalt_led_resource __initdata = {
  28        .start  = 0x1c000000,
  29        .end    = 0x1c000000,
  30        .flags  = IORESOURCE_MEM,
  31};
  32
  33static __init int cobalt_led_add(void)
  34{
  35        struct platform_device *pdev;
  36        int retval;
  37
  38        if (cobalt_board_id == COBALT_BRD_ID_QUBE1 ||
  39            cobalt_board_id == COBALT_BRD_ID_QUBE2)
  40                pdev = platform_device_alloc("cobalt-qube-leds", -1);
  41        else
  42                pdev = platform_device_alloc("cobalt-raq-leds", -1);
  43
  44        if (!pdev)
  45                return -ENOMEM;
  46
  47        retval = platform_device_add_resources(pdev, &cobalt_led_resource, 1);
  48        if (retval)
  49                goto err_free_device;
  50
  51        retval = platform_device_add(pdev);
  52        if (retval)
  53                goto err_free_device;
  54
  55        return 0;
  56
  57err_free_device:
  58        platform_device_put(pdev);
  59
  60        return retval;
  61}
  62device_initcall(cobalt_led_add);
  63