arch/mips/au1000/mtx-1/platform.c

   1 /*
   2  * MTX-1 platform devices registration
   3  *
   4  * Copyright (C) 2007, Florian Fainelli <florian@openwrt.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 St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include <linux/init.h>
  22 #include <linux/types.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/leds.h>
  25 #include <linux/gpio_keys.h>
  26 #include <linux/input.h>
  27
  28 #include <asm/gpio.h>
  29
  30 static struct gpio_keys_button mtx1_gpio_button[] = {
  31         {
  32                 .gpio = 207,
  33                 .code = BTN_0,
  34                 .desc = "System button",
  35         }
  36 };
  37
  38 static struct gpio_keys_platform_data mtx1_buttons_data = {
  39         .buttons = mtx1_gpio_button,
  40         .nbuttons = ARRAY_SIZE(mtx1_gpio_button),
  41 };
  42
  43 static struct platform_device mtx1_button = {
  44         .name = "gpio-keys",
  45         .id = -1,
  46         .dev = {
  47                 .platform_data = &mtx1_buttons_data,
  48         }
  49 };
  50
  51 static struct resource mtx1_wdt_res[] = {
  52         [0] = {
  53                 .start  = 15,
  54                 .end    = 15,
  55                 .name   = "mtx1-wdt-gpio",
  56                 .flags  = IORESOURCE_IRQ,
  57         }
  58 };
  59
  60 static struct platform_device mtx1_wdt = {
  61         .name = "mtx1-wdt",
  62         .id = 0,
  63         .num_resources = ARRAY_SIZE(mtx1_wdt_res),
  64         .resource = mtx1_wdt_res,
  65 };
  66
  67 static struct gpio_led default_leds[] = {
  68         {
  69                 .name   = "mtx1:green",
  70                 .gpio = 211,
  71         }, {
  72                 .name = "mtx1:red",
  73                 .gpio = 212,
  74         },
  75 };
  76
  77 static struct gpio_led_platform_data mtx1_led_data = {
  78         .num_leds = ARRAY_SIZE(default_leds),
  79         .leds = default_leds,
  80 };
  81
  82 static struct platform_device mtx1_gpio_leds = {
  83         .name = "leds-gpio",
  84         .id = -1,
  85         .dev = {
  86                 .platform_data = &mtx1_led_data,
  87         }
  88 };
  89
  90 static struct __initdata platform_device * mtx1_devs[] = {
  91         &mtx1_gpio_leds,
  92         &mtx1_wdt,
  93         &mtx1_button
  94 };
  95
  96 static int __init mtx1_register_devices(void)
  97 {
  98         gpio_direction_input(207);
  99         return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));
 100 }
 101
 102 arch_initcall(mtx1_register_devices);