target/linux/rdc/files/arch/x86/mach-rdc/platform.c

   1 /*
   2  *  $Id: platform.c 8331 2007-08-03 15:59:23Z florian $
   3  *
   4  *  Generic RDC321x platform devices
   5  *
   6  *  Copyright (C) 2007 OpenWrt.org
   7  *  Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
   8  *
   9  *  This program is free software; you can redistribute it and/or
  10  *  modify it under the terms of the GNU General Public License
  11  *  as published by the Free Software Foundation; either version 2
  12  *  of the License, or (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the
  21  *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22  *  Boston, MA  02110-1301, USA.
  23  *
  24  */
  25
  26 #include <linux/init.h>
  27 #include <linux/kernel.h>
  28 #include <linux/list.h>
  29 #include <linux/device.h>
  30 #include <linux/platform_device.h>
  31 #include <linux/version.h>
  32 #include <linux/leds.h>
  33 #include <linux/gpio_keys.h>
  34 #include <linux/input.h>
  35
  36 #include <asm/gpio.h>
  37
  38 /* Flash */
  39 static struct resource rdc_flash_resource[] = {
  40         [0] = {
  41                 .start = (u32)-CONFIG_MTD_RDC3210_SIZE,
  42                 .end = (u32)-1,
  43                 .flags = IORESOURCE_MEM,
  44         },
  45 };
  46
  47 static struct platform_device rdc_flash_device = {
  48         .name = "rdc321x-flash",
  49         .id = -1,
  50         .num_resources = ARRAY_SIZE(rdc_flash_resource),
  51         .resource = rdc_flash_resource,
  52 };
  53
  54 /* LEDS */
  55 static struct gpio_led default_leds[] = {
  56         { .name = "rdc321x:dmz", .gpio = 1, },
  57 };
  58
  59 static struct gpio_led_platform_data rdc321x_led_data = {
  60         .num_leds = ARRAY_SIZE(default_leds),
  61         .leds = default_leds,
  62 };
  63
  64 static struct platform_device rdc321x_leds = {
  65         .name = "leds-gpio",
  66         .id = -1,
  67         .dev = {
  68                 .platform_data = &rdc321x_led_data,
  69         }
  70 };
  71
  72 /* Watchdog */
  73 static struct platform_device rdc321x_wdt = {
  74         .name = "rdc321x-wdt",
  75         .id = -1,
  76         .num_resources = 0,
  77 };
  78
  79 /* Button */
  80 static struct gpio_keys_button rdc321x_gpio_btn[] = {
  81         {
  82                 .gpio = 0,
  83                 .code = BTN_0,
  84                 .desc = "Reset",
  85                 .active_low = 1,
  86         }
  87 };
  88
  89 static struct gpio_keys_platform_data rdc321x_gpio_btn_data = {
  90         .buttons = rdc321x_gpio_btn,
  91         .nbuttons = ARRAY_SIZE(rdc321x_gpio_btn),
  92 };
  93
  94 static struct platform_device rdc321x_button = {
  95         .name = "gpio-keys",
  96         .id = -1,
  97         .dev = {
  98                 .platform_data = &rdc321x_gpio_btn_data,
  99         }
 100 };
 101
 102 static struct platform_device *rdc321x_devs[] = {
 103         &rdc_flash_device,
 104         &rdc321x_leds,
 105         &rdc321x_wdt,
 106         &rdc321x_button
 107 };
 108
 109 static int __init rdc_board_setup(void)
 110 {
 111         return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs));
 112 }
 113
 114 arch_initcall(rdc_board_setup);