target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr3020.c

   1 /*
   2  *  TP-LINK TL-MR3020 board support
   3  *
   4  *  Copyright (C) 2011 dongyuqi <729650915@qq.com>
   5  *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
   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 <linux/gpio.h>
  13
  14 #include <asm/mach-ath79/ath79.h>
  15
  16 #include "dev-eth.h"
  17 #include "dev-gpio-buttons.h"
  18 #include "dev-leds-gpio.h"
  19 #include "dev-m25p80.h"
  20 #include "dev-usb.h"
  21 #include "dev-wmac.h"
  22 #include "machtypes.h"
  23
  24 #define TL_MR3020_GPIO_LED_3G           27
  25 #define TL_MR3020_GPIO_LED_WLAN         0
  26 #define TL_MR3020_GPIO_LED_LAN          17
  27 #define TL_MR3020_GPIO_LED_WPS          26
  28
  29 #define TL_MR3020_GPIO_BTN_WPS          11
  30 #define TL_MR3020_GPIO_BTN_SW1          18
  31 #define TL_MR3020_GPIO_BTN_SW2          20
  32
  33 #define TL_MR3020_GPIO_USB_POWER        8
  34
  35 #define TL_MR3020_KEYS_POLL_INTERVAL    20      /* msecs */
  36 #define TL_MR3020_KEYS_DEBOUNCE_INTERVAL        (3 * TL_MR3020_KEYS_POLL_INTERVAL)
  37
  38 static const char *tl_mr3020_part_probes[] = {
  39         "tp-link",
  40         NULL,
  41 };
  42
  43 static struct flash_platform_data tl_mr3020_flash_data = {
  44         .part_probes    = tl_mr3020_part_probes,
  45 };
  46
  47 static struct gpio_led tl_mr3020_leds_gpio[] __initdata = {
  48         {
  49                 .name           = "tp-link:green:3g",
  50                 .gpio           = TL_MR3020_GPIO_LED_3G,
  51                 .active_low     = 1,
  52         },
  53         {
  54                 .name           = "tp-link:green:wlan",
  55                 .gpio           = TL_MR3020_GPIO_LED_WLAN,
  56                 .active_low     = 0,
  57         },
  58         {
  59                 .name           = "tp-link:green:lan",
  60                 .gpio           = TL_MR3020_GPIO_LED_LAN,
  61                 .active_low     = 1,
  62         },
  63         {
  64                 .name           = "tp-link:green:wps",
  65                 .gpio           = TL_MR3020_GPIO_LED_WPS,
  66                 .active_low     = 1,
  67         },
  68 };
  69
  70 static struct gpio_keys_button tl_mr3020_gpio_keys[] __initdata = {
  71         {
  72                 .desc           = "wps",
  73                 .type           = EV_KEY,
  74                 .code           = KEY_WPS_BUTTON,
  75                 .debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
  76                 .gpio           = TL_MR3020_GPIO_BTN_WPS,
  77                 .active_low     = 0,
  78         },
  79         {
  80                 .desc           = "sw1",
  81                 .type           = EV_KEY,
  82                 .code           = BTN_0,
  83                 .debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
  84                 .gpio           = TL_MR3020_GPIO_BTN_SW1,
  85                 .active_low     = 0,
  86         },
  87         {
  88                 .desc           = "sw2",
  89                 .type           = EV_KEY,
  90                 .code           = BTN_1,
  91                 .debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
  92                 .gpio           = TL_MR3020_GPIO_BTN_SW2,
  93                 .active_low     = 0,
  94         }
  95 };
  96
  97 static void __init tl_mr3020_setup(void)
  98 {
  99         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 100         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 101
 102         ath79_register_m25p80(&tl_mr3020_flash_data);
 103         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr3020_leds_gpio),
 104                                  tl_mr3020_leds_gpio);
 105         ath79_register_gpio_keys_polled(-1, TL_MR3020_KEYS_POLL_INTERVAL,
 106                                         ARRAY_SIZE(tl_mr3020_gpio_keys),
 107                                         tl_mr3020_gpio_keys);
 108
 109         gpio_request(TL_MR3020_GPIO_USB_POWER, "USB power");
 110         gpio_direction_output(TL_MR3020_GPIO_USB_POWER, 1);
 111         ath79_register_usb();
 112
 113         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 114
 115         ath79_register_mdio(0, 0x0);
 116         ath79_register_eth(0);
 117         ath79_register_wmac(ee, mac);
 118 }
 119
 120 MIPS_MACHINE(ATH79_MACH_TL_MR3020, "TL-MR3020", "TP-LINK TL-MR3020",
 121              tl_mr3020_setup);