target/linux/ar71xx/files-2.6.39/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 #define TL_WA901ND_GPIO_LED_LAN         13
  24
  25 #define TL_WA901ND_GPIO_BTN_RESET       11
  26 #define TL_WA901ND_GPIO_BTN_QSS         12
  27
  28 #define TL_WA901ND_KEYS_POLL_INTERVAL   20      /* msecs */
  29 #define TL_WA901ND_KEYS_DEBOUNCE_INTERVAL (3 * TL_WA901ND_KEYS_POLL_INTERVAL)
  30
  31 static const char *tl_wa901nd_part_probes[] = {
  32         "tp-link",
  33         NULL,
  34 };
  35
  36 static struct flash_platform_data tl_wa901nd_flash_data = {
  37         .part_probes    = tl_wa901nd_part_probes,
  38 };
  39
  40 static struct gpio_led tl_wa901nd_leds_gpio[] __initdata = {
  41         {
  42                 .name           = "tp-link:green:lan",
  43                 .gpio           = TL_WA901ND_GPIO_LED_LAN,
  44                 .active_low     = 1,
  45         }, {
  46                 .name           = "tp-link:green:system",
  47                 .gpio           = TL_WA901ND_GPIO_LED_SYSTEM,
  48                 .active_low     = 1,
  49         }, {
  50                 .name           = "tp-link:green:qss",
  51                 .gpio           = TL_WA901ND_GPIO_LED_QSS,
  52                 .active_low     = 1,
  53         }
  54 };
  55
  56 static struct gpio_keys_button tl_wa901nd_gpio_keys[] __initdata = {
  57         {
  58                 .desc           = "reset",
  59                 .type           = EV_KEY,
  60                 .code           = BTN_0,
  61                 .debounce_interval = TL_WA901ND_KEYS_DEBOUNCE_INTERVAL,
  62                 .gpio           = TL_WA901ND_GPIO_BTN_RESET,
  63                 .active_low     = 1,
  64         }, {
  65                 .desc           = "qss",
  66                 .type           = EV_KEY,
  67                 .code           = BTN_1,
  68                 .debounce_interval = TL_WA901ND_KEYS_DEBOUNCE_INTERVAL,
  69                 .gpio           = TL_WA901ND_GPIO_BTN_QSS,
  70                 .active_low     = 1,
  71         }
  72 };
  73
  74 static void __init tl_wa901nd_setup(void)
  75 {
  76         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  77         u8 *ee  = (u8 *) KSEG1ADDR(0x1fff1000);
  78
  79         ar71xx_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
  80                                      AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
  81                                      AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
  82                                      AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
  83                                      AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
  84
  85         /*
  86          * ar71xx_eth0 would be the WAN port, but is not connected on
  87          * the TL-WA901ND. ar71xx_eth1 connects to the internal switch chip,
  88          * however we have a single LAN port only.
  89          */
  90         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 0);
  91         ar71xx_add_device_mdio(0, 0x0);
  92         ar71xx_add_device_eth(1);
  93
  94         ar71xx_add_device_m25p80(&tl_wa901nd_flash_data);
  95
  96         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wa901nd_leds_gpio),
  97                                         tl_wa901nd_leds_gpio);
  98
  99         ar71xx_register_gpio_keys_polled(-1, TL_WA901ND_KEYS_POLL_INTERVAL,
 100                                          ARRAY_SIZE(tl_wa901nd_gpio_keys),
 101                                          tl_wa901nd_gpio_keys);
 102
 103         ap91_pci_init(ee, mac);
 104 }
 105
 106 MIPS_MACHINE(AR71XX_MACH_TL_WA901ND, "TL-WA901ND", "TP-LINK TL-WA901ND",
 107              tl_wa901nd_setup);