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 #include <asm/mach-ath79/ar71xx_regs.h>
  16
  17 #include "dev-eth.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-usb.h"
  22 #include "dev-wmac.h"
  23 #include "machtypes.h"
  24
  25 #define TL_MR3020_GPIO_LED_3G           27
  26 #define TL_MR3020_GPIO_LED_WLAN         0
  27 #define TL_MR3020_GPIO_LED_LAN          17
  28 #define TL_MR3020_GPIO_LED_WPS          26
  29
  30 #define TL_MR3020_GPIO_BTN_WPS          11
  31 #define TL_MR3020_GPIO_BTN_SW1          18
  32 #define TL_MR3020_GPIO_BTN_SW2          20
  33
  34 #define TL_MR3020_GPIO_USB_POWER        8
  35
  36 #define TL_MR3020_KEYS_POLL_INTERVAL    20      /* msecs */
  37 #define TL_MR3020_KEYS_DEBOUNCE_INTERVAL        (3 * TL_MR3020_KEYS_POLL_INTERVAL)
  38
  39 static const char *tl_mr3020_part_probes[] = {
  40         "tp-link",
  41         NULL,
  42 };
  43
  44 static struct flash_platform_data tl_mr3020_flash_data = {
  45         .part_probes    = tl_mr3020_part_probes,
  46 };
  47
  48 static struct gpio_led tl_mr3020_leds_gpio[] __initdata = {
  49         {
  50                 .name           = "tp-link:green:3g",
  51                 .gpio           = TL_MR3020_GPIO_LED_3G,
  52                 .active_low     = 1,
  53         },
  54         {
  55                 .name           = "tp-link:green:wlan",
  56                 .gpio           = TL_MR3020_GPIO_LED_WLAN,
  57                 .active_low     = 0,
  58         },
  59         {
  60                 .name           = "tp-link:green:lan",
  61                 .gpio           = TL_MR3020_GPIO_LED_LAN,
  62                 .active_low     = 1,
  63         },
  64         {
  65                 .name           = "tp-link:green:wps",
  66                 .gpio           = TL_MR3020_GPIO_LED_WPS,
  67                 .active_low     = 1,
  68         },
  69 };
  70
  71 static struct gpio_keys_button tl_mr3020_gpio_keys[] __initdata = {
  72         {
  73                 .desc           = "wps",
  74                 .type           = EV_KEY,
  75                 .code           = KEY_WPS_BUTTON,
  76                 .debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
  77                 .gpio           = TL_MR3020_GPIO_BTN_WPS,
  78                 .active_low     = 0,
  79         },
  80         {
  81                 .desc           = "sw1",
  82                 .type           = EV_KEY,
  83                 .code           = BTN_0,
  84                 .debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
  85                 .gpio           = TL_MR3020_GPIO_BTN_SW1,
  86                 .active_low     = 0,
  87         },
  88         {
  89                 .desc           = "sw2",
  90                 .type           = EV_KEY,
  91                 .code           = BTN_1,
  92                 .debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
  93                 .gpio           = TL_MR3020_GPIO_BTN_SW2,
  94                 .active_low     = 0,
  95         }
  96 };
  97
  98 static void __init tl_mr3020_setup(void)
  99 {
 100         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 101         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 102
 103         /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
 104         ath79_setup_ar933x_phy4_switch(false, false);
 105
 106         ath79_register_m25p80(&tl_mr3020_flash_data);
 107         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_mr3020_leds_gpio),
 108                                  tl_mr3020_leds_gpio);
 109         ath79_register_gpio_keys_polled(-1, TL_MR3020_KEYS_POLL_INTERVAL,
 110                                         ARRAY_SIZE(tl_mr3020_gpio_keys),
 111                                         tl_mr3020_gpio_keys);
 112
 113         gpio_request_one(TL_MR3020_GPIO_USB_POWER,
 114                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 115                          "USB power");
 116         ath79_register_usb();
 117
 118         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 119
 120         ath79_register_mdio(0, 0x0);
 121         ath79_register_eth(0);
 122         ath79_register_wmac(ee, mac);
 123 }
 124
 125 MIPS_MACHINE(ATH79_MACH_TL_MR3020, "TL-MR3020", "TP-LINK TL-MR3020",
 126              tl_mr3020_setup);