target/linux/ramips/files/arch/mips/ralink/rt305x/mach-rt-g32-revb.c

   1 /*
   2  *  Asus RT-G32 rev B board support
   3  *
   4  *  Copyright (C) 2011 Sergiy <piratfm@gmail.com>
   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 #include <linux/spi/spi.h>
  14 #include <linux/spi/flash.h>
  15
  16 #include <asm/mach-ralink/machine.h>
  17 #include <asm/mach-ralink/dev-gpio-buttons.h>
  18 #include <asm/mach-ralink/rt305x.h>
  19 #include <asm/mach-ralink/rt305x_regs.h>
  20
  21 #include "devices.h"
  22
  23 #define RT_G32B_GPIO_BUTTON_WPS         0       /* active low */
  24 #define RT_G32B_GPIO_BUTTON_RESET       10      /* active low */
  25
  26 #define RT_G32B_KEYS_POLL_INTERVAL      20
  27 #define RT_G32B_KEYS_DEBOUNCE_INTERVAL  (3 * RT_G32B_KEYS_POLL_INTERVAL)
  28
  29 const struct flash_platform_data rt_g32b_flash = {
  30         .type           = "mx25l3205d",
  31 };
  32
  33 struct spi_board_info __initdata rt_g32b_spi_slave_info[] = {
  34         {
  35                 .modalias       = "m25p80",
  36                 .platform_data  = &rt_g32b_flash,
  37                 .irq            = -1,
  38                 .max_speed_hz   = 10000000,
  39                 .bus_num        = 0,
  40                 .chip_select    = 0,
  41         },
  42 };
  43
  44 static struct gpio_keys_button rt_g32b_gpio_buttons[] __initdata = {
  45         {
  46                 .desc           = "reset",
  47                 .type           = EV_KEY,
  48                 .code           = KEY_RESTART,
  49                 .debounce_interval = RT_G32B_KEYS_DEBOUNCE_INTERVAL,
  50                 .gpio           = RT_G32B_GPIO_BUTTON_RESET,
  51                 .active_low     = 1,
  52         }, {
  53                 .desc           = "wps",
  54                 .type           = EV_KEY,
  55                 .code           = KEY_WPS_BUTTON,
  56                 .debounce_interval = RT_G32B_KEYS_DEBOUNCE_INTERVAL,
  57                 .gpio           = RT_G32B_GPIO_BUTTON_WPS,
  58                 .active_low     = 1,
  59         }
  60 };
  61
  62 static void __init rt_g32b_init(void)
  63 {
  64         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  65         rt305x_register_spi(rt_g32b_spi_slave_info,
  66                             ARRAY_SIZE(rt_g32b_spi_slave_info));
  67
  68         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
  69         rt305x_register_ethernet();
  70         ramips_register_gpio_buttons(-1, RT_G32B_KEYS_POLL_INTERVAL,
  71                                      ARRAY_SIZE(rt_g32b_gpio_buttons),
  72                                      rt_g32b_gpio_buttons);
  73         rt305x_register_wifi();
  74         rt305x_register_wdt();
  75 }
  76
  77 MIPS_MACHINE(RAMIPS_MACH_RT_G32_B1, "RT-G32-B1", "Asus RT-G32 B1",
  78              rt_g32b_init);