arch/arm/mach-tegra/board-paz00.c

   1 /*
   2  * arch/arm/mach-tegra/board-paz00.c
   3  *
   4  * Copyright (C) 2011 Marc Dietrich <marvin24@gmx.de>
   5  *
   6  * Based on board-harmony.c
   7  * Copyright (C) 2010 Google, Inc.
   8  *
   9  * This software is licensed under the terms of the GNU General Public
  10  * License version 2, as published by the Free Software Foundation, and
  11  * may be copied, distributed, and modified under those terms.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  */
  19
  20 #include <linux/property.h>
  21 #include <linux/gpio/machine.h>
  22 #include <linux/platform_device.h>
  23
  24 #include "board.h"
  25
  26 static struct property_entry wifi_rfkill_prop[] __initdata = {
  27         PROPERTY_ENTRY_STRING("name", "wifi_rfkill"),
  28         PROPERTY_ENTRY_STRING("type", "wlan"),
  29         { },
  30 };
  31
  32 static struct platform_device wifi_rfkill_device = {
  33         .name   = "rfkill_gpio",
  34         .id     = -1,
  35 };
  36
  37 static struct gpiod_lookup_table wifi_gpio_lookup = {
  38         .dev_id = "rfkill_gpio",
  39         .table = {
  40                 GPIO_LOOKUP("tegra-gpio", 25, "reset", 0),
  41                 GPIO_LOOKUP("tegra-gpio", 85, "shutdown", 0),
  42                 { },
  43         },
  44 };
  45
  46 void __init tegra_paz00_wifikill_init(void)
  47 {
  48         platform_device_add_properties(&wifi_rfkill_device, wifi_rfkill_prop);
  49         gpiod_add_lookup_table(&wifi_gpio_lookup);
  50         platform_device_register(&wifi_rfkill_device);
  51 }