target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wa901nd.c

   1 /*
   2  *  TP-LINK TL-WA901ND board support
   3  *
   4  *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2010 Pieter Hollants <pieter@hollants.com>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <asm/mach-ar71xx/ar71xx.h>
  13
  14 #include "machtype.h"
  15 #include "devices.h"
  16 #include "dev-m25p80.h"
  17 #include "dev-ap91-pci.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20
  21 #define TL_WA901ND_GPIO_LED_QSS         0
  22 #define TL_WA901ND_GPIO_LED_SYSTEM      1
  23
  24 #define TL_WA901ND_GPIO_BTN_RESET       11
  25 #define TL_WA901ND_GPIO_BTN_QSS         12
  26
  27 #define TL_WA901ND_KEYS_POLL_INTERVAL   20      /* msecs */
  28 #define TL_WA901ND_KEYS_DEBOUNCE_INTERVAL (3 * TL_WA901ND_KEYS_POLL_INTERVAL)
  29
  30 static const char *tl_wa901nd_part_probes[] = {
  31         "tp-link",
  32         NULL,
  33 };
  34
  35 static struct flash_platform_data tl_wa901nd_flash_data = {
  36         .part_probes    = tl_wa901nd_part_probes,
  37 };
  38
  39 static struct gpio_led tl_wa901nd_leds_gpio[] __initdata = {
  40         {
  41                 .name           = "tp-link:green:system",
  42                 .gpio           = TL_WA901ND_GPIO_LED_SYSTEM,
  43                 .active_low     = 1,
  44         }, {
  45                 .name           = "tp-link:green:qss",
  46                 .gpio           = TL_WA901ND_GPIO_LED_QSS,
  47                 .active_low     = 1,
  48         }
  49 };
  50
  51 static struct gpio_keys_button tl_wa901nd_gpio_keys[] __initdata = {
  52         {
  53                 .desc           = "reset",
  54                 .type           = EV_KEY,
  55                 .code           = BTN_0,
  56                 .debounce_interval = TL_WA901ND_KEYS_DEBOUNCE_INTERVAL,
  57                 .gpio           = TL_WA901ND_GPIO_BTN_RESET,
  58                 .active_low     = 1,
  59         }, {
  60                 .desc           = "qss",
  61                 .type           = EV_KEY,
  62                 .code           = BTN_1,
  63                 .debounce_interval = TL_WA901ND_KEYS_DEBOUNCE_INTERVAL,
  64                 .gpio           = TL_WA901ND_GPIO_BTN_QSS,
  65                 .active_low     = 1,
  66         }
  67 };
  68
  69 static void __init tl_wa901nd_setup(void)
  70 {
  71         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  72         u8 *ee  = (u8 *) KSEG1ADDR(0x1fff1000);
  73
  74         /*
  75          * ar71xx_eth0 would be the WAN port, but is not connected on
  76          * the TL-WA901ND. ar71xx_eth1 connects to the internal switch chip,
  77          * however we have a single LAN port only.
  78          */
  79         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 0);
  80         ar71xx_add_device_mdio(0, 0x0);
  81         ar71xx_add_device_eth(1);
  82
  83         ar71xx_add_device_m25p80(&tl_wa901nd_flash_data);
  84
  85         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wa901nd_leds_gpio),
  86                                         tl_wa901nd_leds_gpio);
  87
  88         ar71xx_register_gpio_keys_polled(-1, TL_WA901ND_KEYS_POLL_INTERVAL,
  89                                          ARRAY_SIZE(tl_wa901nd_gpio_keys),
  90                                          tl_wa901nd_gpio_keys);
  91
  92         ap91_pci_init(ee, mac);
  93 }
  94
  95 MIPS_MACHINE(AR71XX_MACH_TL_WA901ND, "TL-WA901ND", "TP-LINK TL-WA901ND",
  96              tl_wa901nd_setup);