target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-mr3x20.c

   1 /*
   2  *  TP-LINK TL-MR3220/3420 board support
   3  *
   4  *  Copyright (C) 2010 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/gpio.h>
  12
  13 #include <asm/mach-ar71xx/ar71xx.h>
  14
  15 #include "machtype.h"
  16 #include "devices.h"
  17 #include "dev-m25p80.h"
  18 #include "dev-ap91-pci.h"
  19 #include "dev-gpio-buttons.h"
  20 #include "dev-leds-gpio.h"
  21 #include "dev-usb.h"
  22
  23 #define TL_MR3X20_GPIO_LED_QSS          0
  24 #define TL_MR3X20_GPIO_LED_SYSTEM       1
  25 #define TL_MR3X20_GPIO_LED_3G           8
  26
  27 #define TL_MR3X20_GPIO_BTN_RESET        11
  28 #define TL_MR3X20_GPIO_BTN_QSS          12
  29
  30 #define TL_MR3X20_GPIO_USB_POWER        6
  31
  32 #define TL_MR3X20_KEYS_POLL_INTERVAL    20      /* msecs */
  33 #define TL_MR3X20_KEYS_DEBOUNCE_INTERVAL (3 * TL_MR3X20_KEYS_POLL_INTERVAL)
  34
  35 static const char *tl_mr3x20_part_probes[] = {
  36         "tp-link",
  37         NULL,
  38 };
  39
  40 static struct flash_platform_data tl_mr3x20_flash_data = {
  41         .part_probes    = tl_mr3x20_part_probes,
  42 };
  43
  44 static struct gpio_led tl_mr3x20_leds_gpio[] __initdata = {
  45         {
  46                 .name           = "tp-link:green:system",
  47                 .gpio           = TL_MR3X20_GPIO_LED_SYSTEM,
  48                 .active_low     = 1,
  49         }, {
  50                 .name           = "tp-link:green:qss",
  51                 .gpio           = TL_MR3X20_GPIO_LED_QSS,
  52                 .active_low     = 1,
  53         }, {
  54                 .name           = "tp-link:green:3g",
  55                 .gpio           = TL_MR3X20_GPIO_LED_3G,
  56                 .active_low     = 1,
  57         }
  58 };
  59
  60 static struct gpio_keys_button tl_mr3x20_gpio_keys[] __initdata = {
  61         {
  62                 .desc           = "reset",
  63                 .type           = EV_KEY,
  64                 .code           = KEY_RESTART,
  65                 .debounce_interval = TL_MR3X20_KEYS_DEBOUNCE_INTERVAL,
  66                 .gpio           = TL_MR3X20_GPIO_BTN_RESET,
  67                 .active_low     = 1,
  68         }, {
  69                 .desc           = "qss",
  70                 .type           = EV_KEY,
  71                 .code           = KEY_WPS_BUTTON,
  72                 .debounce_interval = TL_MR3X20_KEYS_DEBOUNCE_INTERVAL,
  73                 .gpio           = TL_MR3X20_GPIO_BTN_QSS,
  74                 .active_low     = 1,
  75         }
  76 };
  77
  78 static void __init tl_mr3x20_setup(void)
  79 {
  80         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  81         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  82
  83         /* enable power for the USB port */
  84         gpio_request(TL_MR3X20_GPIO_USB_POWER, "USB power");
  85         gpio_direction_output(TL_MR3X20_GPIO_USB_POWER, 1);
  86
  87         ar71xx_add_device_m25p80(&tl_mr3x20_flash_data);
  88
  89         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_mr3x20_leds_gpio),
  90                                         tl_mr3x20_leds_gpio);
  91
  92         ar71xx_register_gpio_keys_polled(-1, TL_MR3X20_KEYS_POLL_INTERVAL,
  93                                          ARRAY_SIZE(tl_mr3x20_gpio_keys),
  94                                          tl_mr3x20_gpio_keys);
  95
  96         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 1);
  97         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, -1);
  98
  99         ar71xx_add_device_mdio(0, 0x0);
 100
 101         /* LAN ports */
 102         ar71xx_add_device_eth(1);
 103         /* WAN port */
 104         ar71xx_add_device_eth(0);
 105
 106         ar71xx_add_device_usb();
 107
 108         ap91_pci_init(ee, mac);
 109 }
 110
 111 static void __init tl_mr3220_setup(void)
 112 {
 113         tl_mr3x20_setup();
 114         ap91_pci_setup_wmac_led_pin(1);
 115 }
 116
 117 MIPS_MACHINE(AR71XX_MACH_TL_MR3220, "TL-MR3220", "TP-LINK TL-MR3220",
 118              tl_mr3220_setup);
 119
 120 static void __init tl_mr3420_setup(void)
 121 {
 122         tl_mr3x20_setup();
 123         ap91_pci_setup_wmac_led_pin(0);
 124 }
 125
 126 MIPS_MACHINE(AR71XX_MACH_TL_MR3420, "TL-MR3420", "TP-LINK TL-MR3420",
 127              tl_mr3420_setup);