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  *  Copyright (C) 2014 Vittorio Gambaletta <openwrt@vittgam.net>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify it
   9  *  under the terms of the GNU General Public License version 2 as published
  10  *  by the Free Software Foundation.
  11  */
  12
  13 #include <linux/gpio.h>
  14 #include <asm/mach-ath79/ath79.h>
  15 #include <asm/mach-ath79/ar71xx_regs.h>
  16 #include "common.h"
  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-spi.h"
  22 #include "dev-usb.h"
  23 #include "dev-wmac.h"
  24 #include "machtypes.h"
  25
  26 #define DRAGINO2_GPIO_LED_WLAN          0
  27 #define DRAGINO2_GPIO_LED_LAN           13
  28 #define DRAGINO2_GPIO_LED_WAN           17
  29
  30 /*
  31  * The following GPIO is named "SYS" on newer revisions of the the board.
  32  * It was previously used to indicate USB activity, even though it was
  33  * named "Router".
  34  */
  35
  36 #define DRAGINO2_GPIO_LED_SYS           28
  37 #define DRAGINO2_GPIO_BTN_JUMPSTART     11
  38 #define DRAGINO2_GPIO_BTN_RESET         12
  39
  40 #define DRAGINO2_KEYS_POLL_INTERVAL     20      /* msecs */
  41 #define DRAGINO2_KEYS_DEBOUNCE_INTERVAL (3 * DRAGINO2_KEYS_POLL_INTERVAL)
  42
  43 #define DRAGINO2_MAC0_OFFSET            0x0000
  44 #define DRAGINO2_MAC1_OFFSET            0x0006
  45 #define DRAGINO2_CALDATA_OFFSET         0x1000
  46 #define DRAGINO2_WMAC_MAC_OFFSET        0x1002
  47
  48 static struct gpio_led dragino2_leds_gpio[] __initdata = {
  49         {
  50                 .name           = "dragino2:red:wlan",
  51                 .gpio           = DRAGINO2_GPIO_LED_WLAN,
  52                 .active_low     = 0,
  53         },
  54         {
  55                 .name           = "dragino2:red:wan",
  56                 .gpio           = DRAGINO2_GPIO_LED_WAN,
  57                 .active_low     = 1,
  58         },
  59         {
  60                 .name           = "dragino2:red:lan",
  61                 .gpio           = DRAGINO2_GPIO_LED_LAN,
  62                 .active_low     = 1,
  63         },
  64         {
  65                 .name           = "dragino2:red:system",
  66                 .gpio           = DRAGINO2_GPIO_LED_SYS,
  67                 .active_low     = 0,
  68         },
  69 };
  70
  71 static struct gpio_keys_button dragino2_gpio_keys[] __initdata = {
  72         {
  73                 .desc           = "jumpstart button",
  74                 .type           = EV_KEY,
  75                 .code           = KEY_WPS_BUTTON,
  76                 .debounce_interval = DRAGINO2_KEYS_DEBOUNCE_INTERVAL,
  77                 .gpio           = DRAGINO2_GPIO_BTN_JUMPSTART,
  78                 .active_low     = 1,
  79         },
  80         {
  81                 .desc           = "reset button",
  82                 .type           = EV_KEY,
  83                 .code           = KEY_RESTART,
  84                 .debounce_interval = DRAGINO2_KEYS_DEBOUNCE_INTERVAL,
  85                 .gpio           = DRAGINO2_GPIO_BTN_RESET,
  86                 .active_low     = 1,
  87         }
  88 };
  89
  90 static void __init dragino2_common_setup(void)
  91 {
  92         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
  93
  94         ath79_register_m25p80(NULL);
  95         ath79_register_wmac(art + DRAGINO2_CALDATA_OFFSET,
  96                             art + DRAGINO2_WMAC_MAC_OFFSET);
  97
  98         ath79_init_mac(ath79_eth0_data.mac_addr, art + DRAGINO2_MAC0_OFFSET, 0);
  99         ath79_init_mac(ath79_eth1_data.mac_addr, art + DRAGINO2_MAC1_OFFSET, 0);
 100
 101         ath79_register_mdio(0, 0x0);
 102
 103         /* Enable GPIO13, GPIO14, GPIO15, GPIO16 and GPIO17 */
 104         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 105                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 106                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 107                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 108                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
 109
 110         /* LAN port */
 111         ath79_register_eth(1);
 112
 113         /* WAN port */
 114         ath79_register_eth(0);
 115
 116         /* Enable GPIO26 and GPIO27 */
 117         ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP,
 118                        ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP) |
 119                        AR933X_BOOTSTRAP_MDIO_GPIO_EN);
 120 }
 121
 122 static void __init dragino2_setup(void)
 123 {
 124         dragino2_common_setup();
 125
 126         ath79_register_leds_gpio(-1, ARRAY_SIZE(dragino2_leds_gpio),
 127                                  dragino2_leds_gpio);
 128         ath79_register_gpio_keys_polled(-1, DRAGINO2_KEYS_POLL_INTERVAL,
 129                                         ARRAY_SIZE(dragino2_gpio_keys),
 130                                         dragino2_gpio_keys);
 131         ath79_register_usb();
 132 }
 133
 134 MIPS_MACHINE(ATH79_MACH_DRAGINO2, "DRAGINO2", "Dragino Dragino v2",
 135              dragino2_setup);
 136