target/linux/ar71xx/files/arch/mips/ath79/mach-dragino2.c

   1 /*
   2  *  DRAGINO V2 board support, based on Atheros AP121 board support
   3  *
   4  *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2012 Elektra Wagenrad <elektra@villagetelco.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 #include <asm/mach-ath79/ath79.h>
  14 #include <asm/mach-ath79/ar71xx_regs.h>
  15 #include "common.h"
  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-spi.h"
  21 #include "dev-usb.h"
  22 #include "dev-wmac.h"
  23 #include "machtypes.h"
  24
  25 #define DRAGINO2_GPIO_LED_WLAN          0
  26 #define DRAGINO2_GPIO_LED_LAN           13
  27 #define DRAGINO2_GPIO_LED_WAN           17
  28
  29 /*
  30  * The following GPIO is actually named "Router" on the board.
  31  * However, since the "Router" feature is not supported as of yet
  32  * we use it to display USB activity.
  33  */
  34
  35 #define DRAGINO2_GPIO_LED_USB           28
  36 #define DRAGINO2_GPIO_BTN_JUMPSTART     11
  37 #define DRAGINO2_GPIO_BTN_RESET         12
  38
  39 #define DRAGINO2_KEYS_POLL_INTERVAL     20      /* msecs */
  40 #define DRAGINO2_KEYS_DEBOUNCE_INTERVAL (3 * DRAGINO2_KEYS_POLL_INTERVAL)
  41
  42 #define DRAGINO2_MAC0_OFFSET            0x0000
  43 #define DRAGINO2_MAC1_OFFSET            0x0006
  44 #define DRAGINO2_CALDATA_OFFSET         0x1000
  45 #define DRAGINO2_WMAC_MAC_OFFSET        0x1002
  46
  47 static struct gpio_led dragino2_leds_gpio[] __initdata = {
  48         {
  49                 .name           = "dragino2:red:lan",
  50                 .gpio           = DRAGINO2_GPIO_LED_LAN,
  51                 .active_low     = 0,
  52         },
  53         {
  54                 .name           = "dragino2:red:wlan",
  55                 .gpio           = DRAGINO2_GPIO_LED_WLAN,
  56                 .active_low     = 0,
  57         },
  58                 {
  59                 .name           = "dragino2:red:wan",
  60                 .gpio           = DRAGINO2_GPIO_LED_WAN,
  61                 .active_low     = 0,
  62         },
  63         {
  64                 .name           = "dragino2:red:usb",
  65                 .gpio           = DRAGINO2_GPIO_LED_USB,
  66                 .active_low     = 0,
  67         },
  68 };
  69
  70 static struct gpio_keys_button dragino2_gpio_keys[] __initdata = {
  71         {
  72                 .desc           = "jumpstart button",
  73                 .type           = EV_KEY,
  74                 .code           = KEY_WPS_BUTTON,
  75                 .debounce_interval = DRAGINO2_KEYS_DEBOUNCE_INTERVAL,
  76                 .gpio           = DRAGINO2_GPIO_BTN_JUMPSTART,
  77                 .active_low     = 1,
  78         },
  79         {
  80                 .desc           = "reset button",
  81                 .type           = EV_KEY,
  82                 .code           = KEY_RESTART,
  83                 .debounce_interval = DRAGINO2_KEYS_DEBOUNCE_INTERVAL,
  84                 .gpio           = DRAGINO2_GPIO_BTN_RESET,
  85                 .active_low     = 1,
  86         }
  87 };
  88
  89 static void __init dragino2_common_setup(void)
  90 {
  91         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
  92
  93         ath79_register_m25p80(NULL);
  94         ath79_register_wmac(art + DRAGINO2_CALDATA_OFFSET,
  95                             art + DRAGINO2_WMAC_MAC_OFFSET);
  96
  97         ath79_init_mac(ath79_eth0_data.mac_addr, art + DRAGINO2_MAC0_OFFSET, 0);
  98         ath79_init_mac(ath79_eth1_data.mac_addr, art + DRAGINO2_MAC1_OFFSET, 0);
  99
 100         ath79_register_mdio(0, 0x0);
 101
 102         /* Enable GPIO15 and GPIO16 and possibly GPIO26 and GPIO27 */
 103         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 104                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN);
 105
 106         /* LAN ports */
 107         ath79_register_eth(1);
 108
 109         /* WAN port */
 110         ath79_register_eth(0);
 111 }
 112
 113 static void __init dragino2_setup(void)
 114 {
 115         dragino2_common_setup();
 116
 117         ath79_register_leds_gpio(-1, ARRAY_SIZE(dragino2_leds_gpio),
 118                                  dragino2_leds_gpio);
 119         ath79_register_gpio_keys_polled(-1, DRAGINO2_KEYS_POLL_INTERVAL,
 120                                         ARRAY_SIZE(dragino2_gpio_keys),
 121                                         dragino2_gpio_keys);
 122         ath79_register_usb();
 123 }
 124
 125 MIPS_MACHINE(ATH79_MACH_DRAGINO2, "DRAGINO2", "Dragino Dragino v2",
 126              dragino2_setup);
 127