target/linux/ramips/files-3.7/arch/mips/ralink/rt305x/mach-w502u.c

   1 /*
   2  *  ALFA Networks W502U board support
   3  *
   4  *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/platform_device.h>
  13
  14 #include <asm/mach-ralink/machine.h>
  15 #include <asm/mach-ralink/dev-gpio-buttons.h>
  16 #include <asm/mach-ralink/dev-gpio-leds.h>
  17 #include <asm/mach-ralink/rt305x.h>
  18 #include <asm/mach-ralink/rt305x_regs.h>
  19
  20 #include "devices.h"
  21
  22 #define W502U_GPIO_LED_USB              13
  23 #define W502U_GPIO_LED_WPS              14
  24
  25 #define W502U_GPIO_BUTTON_WPS           0
  26 #define W502U_GPIO_BUTTON_RESET         10
  27
  28 #define W502U_KEYS_POLL_INTERVAL        20
  29 #define W502U_KEYS_DEBOUNCE_INTERVAL    (3 * W502U_KEYS_POLL_INTERVAL)
  30
  31 static struct gpio_led w502u_leds_gpio[] __initdata = {
  32         {
  33                 .name           = "alfa:blue:usb",
  34                 .gpio           = W502U_GPIO_LED_USB,
  35                 .active_low     = 1,
  36         },
  37         {
  38                 .name           = "alfa:blue:wps",
  39                 .gpio           = W502U_GPIO_LED_WPS,
  40                 .active_low     = 1,
  41         },
  42 };
  43
  44 static struct gpio_keys_button w502u_gpio_buttons[] __initdata = {
  45         {
  46                 .desc           = "Reset button",
  47                 .type           = EV_KEY,
  48                 .code           = KEY_RESTART,
  49                 .debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
  50                 .gpio           = W502U_GPIO_BUTTON_RESET,
  51                 .active_low     = 1,
  52         },
  53         {
  54                 .desc           = "WPS button",
  55                 .type           = EV_KEY,
  56                 .code           = KEY_WPS_BUTTON,
  57                 .debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
  58                 .gpio           = W502U_GPIO_BUTTON_WPS,
  59                 .active_low     = 1,
  60         },
  61 };
  62
  63 static void __init w502u_init(void)
  64 {
  65         rt305x_gpio_init((RT305X_GPIO_MODE_GPIO <<
  66                           RT305X_GPIO_MODE_UART0_SHIFT));
  67
  68         rt305x_register_flash(0);
  69
  70         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
  71         rt305x_register_ethernet();
  72         ramips_register_gpio_leds(-1, ARRAY_SIZE(w502u_leds_gpio),
  73                                   w502u_leds_gpio);
  74         ramips_register_gpio_buttons(-1, W502U_KEYS_POLL_INTERVAL,
  75                                      ARRAY_SIZE(w502u_gpio_buttons),
  76                                      w502u_gpio_buttons);
  77         rt305x_register_wifi();
  78         rt305x_register_wdt();
  79         rt305x_register_usb();
  80 }
  81
  82 MIPS_MACHINE(RAMIPS_MACH_W502U, "W502U", "ALFA Networks W502U",
  83               w502u_init);