target/linux/ar71xx/files/arch/mips/ath79/mach-el-mini.c

   1 /*
   2  *  Easy-Link EL-MINI board support
   3  *
   4  *  Copyright (C) 2012 huangfc <huangfangcheng@163.com>
   5  *  Copyright (C) 2011 hys <550663898@qq.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 <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 MINI_GPIO_LED_SYSTEM    27
  25 #define MINI_GPIO_BTN_RESET     11
  26
  27 #define MINI_GPIO_USB_POWER     8
  28
  29 #define MINI_KEYS_POLL_INTERVAL 20      /* msecs */
  30 #define MINI_KEYS_DEBOUNCE_INTERVAL     (3 * MINI_KEYS_POLL_INTERVAL)
  31
  32 static const char *mini_part_probes[] = {
  33         "tp-link",
  34         NULL,
  35 };
  36
  37 static struct flash_platform_data mini_flash_data = {
  38         .part_probes    = mini_part_probes,
  39 };
  40
  41 static struct gpio_led mini_leds_gpio[] __initdata = {
  42         {
  43                 .name           = "easylink:green:system",
  44                 .gpio           = MINI_GPIO_LED_SYSTEM,
  45                 .active_low     = 1,
  46         },
  47 };
  48
  49 static struct gpio_keys_button mini_gpio_keys[] __initdata = {
  50         {
  51                 .desc           = "reset",
  52                 .type           = EV_KEY,
  53                 .code           = KEY_RESTART,
  54                 .debounce_interval = MINI_KEYS_DEBOUNCE_INTERVAL,
  55                 .gpio           = MINI_GPIO_BTN_RESET,
  56                 .active_low     = 0,
  57         }
  58 };
  59
  60 static void __init el_mini_setup(void)
  61 {
  62         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  63         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  64
  65         ath79_register_m25p80(&mini_flash_data);
  66         ath79_register_leds_gpio(-1, ARRAY_SIZE(mini_leds_gpio),
  67                                  mini_leds_gpio);
  68         ath79_register_gpio_keys_polled(-1, MINI_KEYS_POLL_INTERVAL,
  69                                         ARRAY_SIZE(mini_gpio_keys),
  70                                         mini_gpio_keys);
  71
  72         gpio_request_one(MINI_GPIO_USB_POWER,
  73                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
  74                          "USB power");
  75         ath79_register_usb();
  76
  77         ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
  78
  79         ath79_register_mdio(0, 0x0);
  80         ath79_register_eth(0);
  81
  82         ath79_register_wmac(ee, mac);
  83 }
  84
  85 MIPS_MACHINE(ATH79_MACH_EL_MINI, "EL-MINI", "EasyLink EL-MINI",
  86              el_mini_setup);