target/linux/ar71xx/files/arch/mips/ath79/mach-tew-712br.c

   1 /*
   2  *  TRENDnet TEW-712BR board support
   3  *
   4  *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  */
  10
  11 #include <linux/gpio.h>
  12
  13 #include <asm/mach-ath79/ath79.h>
  14 #include <asm/mach-ath79/ar71xx_regs.h>
  15
  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-wmac.h"
  22 #include "machtypes.h"
  23
  24 #define TEW_712BR_GPIO_BTN_WPS          11
  25 #define TEW_712BR_GPIO_BTN_RESET        12
  26
  27 #define TEW_712BR_GPIO_LED_LAN1         13
  28 #define TEW_712BR_GPIO_LED_LAN2         14
  29 #define TEW_712BR_GPIO_LED_LAN3         15
  30 #define TEW_712BR_GPIO_LED_LAN4         16
  31 #define TEW_712BR_GPIO_LED_POWER_GREEN  20
  32 #define TEW_712BR_GPIO_LED_POWER_ORANGE 27
  33 #define TEW_712BR_GPIO_LED_WAN_GREEN    17
  34 #define TEW_712BR_GPIO_LED_WAN_ORANGE   23
  35 #define TEW_712BR_GPIO_LED_WLAN         0
  36 #define TEW_712BR_GPIO_LED_WPS          26
  37
  38 #define TEW_712BR_GPIO_WAN_LED_ENABLE   1
  39
  40 #define TEW_712BR_KEYS_POLL_INTERVAL    20      /* msecs */
  41 #define TEW_712BR_KEYS_DEBOUNCE_INTERVAL (3 * TEW_712BR_KEYS_POLL_INTERVAL)
  42
  43 #define TEW_712BR_ART_ADDRESS           0x1f010000
  44 #define TEW_712BR_CALDATA_OFFSET        0x1000
  45
  46 #define TEW_712BR_MAC_PART_ADDRESS      0x1f020000
  47 #define TEW_712BR_LAN_MAC_OFFSET        0x04
  48 #define TEW_712BR_WAN_MAC_OFFSET        0x16
  49
  50 static struct gpio_led tew_712br_leds_gpio[] __initdata = {
  51         {
  52                 .name           = "trendnet:green:lan1",
  53                 .gpio           = TEW_712BR_GPIO_LED_LAN1,
  54                 .active_low     = 0,
  55         }, {
  56                 .name           = "trendnet:green:lan2",
  57                 .gpio           = TEW_712BR_GPIO_LED_LAN2,
  58                 .active_low     = 0,
  59         }, {
  60                 .name           = "trendnet:green:lan3",
  61                 .gpio           = TEW_712BR_GPIO_LED_LAN3,
  62                 .active_low     = 0,
  63         }, {
  64                 .name           = "trendnet:green:lan4",
  65                 .gpio           = TEW_712BR_GPIO_LED_LAN4,
  66                 .active_low     = 0,
  67         }, {
  68                 .name           = "trendnet:blue:wps",
  69                 .gpio           = TEW_712BR_GPIO_LED_WPS,
  70                 .active_low     = 1,
  71         }, {
  72                 .name           = "trendnet:green:power",
  73                 .gpio           = TEW_712BR_GPIO_LED_POWER_GREEN,
  74                 .active_low     = 0,
  75         }, {
  76                 .name           = "trendnet:orange:power",
  77                 .gpio           = TEW_712BR_GPIO_LED_POWER_ORANGE,
  78                 .active_low     = 0,
  79         }, {
  80                 .name           = "trendnet:green:wan",
  81                 .gpio           = TEW_712BR_GPIO_LED_WAN_GREEN,
  82                 .active_low     = 1,
  83         }, {
  84                 .name           = "trendnet:orange:wan",
  85                 .gpio           = TEW_712BR_GPIO_LED_WAN_ORANGE,
  86                 .active_low     = 0,
  87         }, {
  88                 .name           = "trendnet:green:wlan",
  89                 .gpio           = TEW_712BR_GPIO_LED_WLAN,
  90                 .active_low     = 0,
  91         },
  92 };
  93
  94 static struct gpio_keys_button tew_712br_gpio_keys[] __initdata = {
  95         {
  96                 .desc           = "Reset button",
  97                 .type           = EV_KEY,
  98                 .code           = KEY_RESTART,
  99                 .debounce_interval = TEW_712BR_KEYS_DEBOUNCE_INTERVAL,
 100                 .gpio           = TEW_712BR_GPIO_BTN_RESET,
 101                 .active_low     = 1,
 102         }, {
 103                 .desc           = "WPS button",
 104                 .type           = EV_KEY,
 105                 .code           = KEY_WPS_BUTTON,
 106                 .debounce_interval = TEW_712BR_KEYS_DEBOUNCE_INTERVAL,
 107                 .gpio           = TEW_712BR_GPIO_BTN_WPS,
 108                 .active_low     = 1,
 109         }
 110 };
 111
 112 static void __init tew_712br_setup(void)
 113 {
 114         u8 *art = (u8 *) KSEG1ADDR(TEW_712BR_ART_ADDRESS);
 115         u8 *mac = (u8 *) KSEG1ADDR(TEW_712BR_MAC_PART_ADDRESS);
 116         u8 lan_mac[ETH_ALEN];
 117         u8 wan_mac[ETH_ALEN];
 118
 119         ath79_setup_ar933x_phy4_switch(false, false);
 120
 121         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 122                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 123                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 124                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 125                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
 126
 127         gpio_request_one(TEW_712BR_GPIO_WAN_LED_ENABLE,
 128                          GPIOF_OUT_INIT_LOW, "WAN LED enable");
 129
 130         ath79_register_leds_gpio(-1, ARRAY_SIZE(tew_712br_leds_gpio),
 131                                  tew_712br_leds_gpio);
 132
 133         ath79_register_gpio_keys_polled(1, TEW_712BR_KEYS_POLL_INTERVAL,
 134                                         ARRAY_SIZE(tew_712br_gpio_keys),
 135                                         tew_712br_gpio_keys);
 136
 137         ath79_register_m25p80(NULL);
 138
 139         ath79_parse_ascii_mac(mac + TEW_712BR_LAN_MAC_OFFSET, lan_mac);
 140         ath79_parse_ascii_mac(mac + TEW_712BR_WAN_MAC_OFFSET, wan_mac);
 141
 142         ath79_init_mac(ath79_eth0_data.mac_addr, wan_mac, 0);
 143         ath79_init_mac(ath79_eth1_data.mac_addr, lan_mac, 0);
 144
 145         ath79_register_mdio(0, 0x0);
 146         ath79_register_eth(1);
 147         ath79_register_eth(0);
 148
 149         ath79_register_wmac(art + TEW_712BR_CALDATA_OFFSET, wan_mac);
 150 }
 151
 152 MIPS_MACHINE(ATH79_MACH_TEW_712BR, "TEW-712BR",
 153              "TRENDnet TEW-712BR", tew_712br_setup);