target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr2543n.c

   1 /*
   2  *  TP-LINK TL-WR2543N/ND board support
   3  *
   4  *  Copyright (C) 2011-2012 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/platform_device.h>
  12 #include <linux/rtl8367.h>
  13
  14 #include <asm/mach-ath79/ath79.h>
  15
  16 #include "dev-eth.h"
  17 #include "dev-ap9x-pci.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 "machtypes.h"
  23
  24 #define TL_WR2543N_GPIO_LED_WPS        0
  25 #define TL_WR2543N_GPIO_LED_USB        8
  26
  27 /* The WLAN LEDs use GPIOs on the discrete AR9380 wmac */
  28 #define TL_WR2543N_GPIO_WMAC_LED_WLAN2G 0
  29 #define TL_WR2543N_GPIO_WMAC_LED_WLAN5G 1
  30
  31 #define TL_WR2543N_GPIO_BTN_RESET      11
  32 #define TL_WR2543N_GPIO_BTN_WPS        12
  33
  34 #define TL_WR2543N_GPIO_RTL8367_SDA     1
  35 #define TL_WR2543N_GPIO_RTL8367_SCK     6
  36
  37 #define TL_WR2543N_KEYS_POLL_INTERVAL   20      /* msecs */
  38 #define TL_WR2543N_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR2543N_KEYS_POLL_INTERVAL)
  39
  40 static const char *tl_wr2543n_part_probes[] = {
  41         "tp-link",
  42         NULL,
  43 };
  44
  45 static struct flash_platform_data tl_wr2543n_flash_data = {
  46         .part_probes    = tl_wr2543n_part_probes,
  47 };
  48
  49 static struct gpio_led tl_wr2543n_leds_gpio[] __initdata = {
  50         {
  51                 .name           = "tp-link:green:usb",
  52                 .gpio           = TL_WR2543N_GPIO_LED_USB,
  53                 .active_low     = 1,
  54         }, {
  55                 .name           = "tp-link:green:wps",
  56                 .gpio           = TL_WR2543N_GPIO_LED_WPS,
  57                 .active_low     = 1,
  58         }
  59 };
  60
  61 static struct gpio_led tl_wr2543n_wmac_leds_gpio[] = {
  62         {
  63                 .name           = "tp-link:green:wlan5g",
  64                 .gpio           = TL_WR2543N_GPIO_WMAC_LED_WLAN5G,
  65                 .active_low     = 1,
  66         },
  67 };
  68
  69 static struct gpio_keys_button tl_wr2543n_gpio_keys[] __initdata = {
  70         {
  71                 .desc           = "reset",
  72                 .type           = EV_KEY,
  73                 .code           = KEY_RESTART,
  74                 .debounce_interval = TL_WR2543N_KEYS_DEBOUNCE_INTERVAL,
  75                 .gpio           = TL_WR2543N_GPIO_BTN_RESET,
  76                 .active_low     = 1,
  77         }, {
  78                 .desc           = "wps",
  79                 .type           = EV_KEY,
  80                 .code           = KEY_WPS_BUTTON,
  81                 .debounce_interval = TL_WR2543N_KEYS_DEBOUNCE_INTERVAL,
  82                 .gpio           = TL_WR2543N_GPIO_BTN_WPS,
  83                 .active_low     = 1,
  84         }
  85 };
  86
  87 static struct rtl8367_extif_config tl_wr2543n_rtl8367_extif0_cfg = {
  88         .mode = RTL8367_EXTIF_MODE_RGMII,
  89         .txdelay = 1,
  90         .rxdelay = 0,
  91         .ability = {
  92                 .force_mode = 1,
  93                 .txpause = 1,
  94                 .rxpause = 1,
  95                 .link = 1,
  96                 .duplex = 1,
  97                 .speed = RTL8367_PORT_SPEED_1000,
  98         },
  99 };
 100
 101 static struct rtl8367_platform_data tl_wr2543n_rtl8367_data = {
 102         .gpio_sda       = TL_WR2543N_GPIO_RTL8367_SDA,
 103         .gpio_sck       = TL_WR2543N_GPIO_RTL8367_SCK,
 104         .extif0_cfg     = &tl_wr2543n_rtl8367_extif0_cfg,
 105 };
 106
 107 static struct platform_device tl_wr2543n_rtl8367_device = {
 108         .name           = RTL8367_DRIVER_NAME,
 109         .id             = -1,
 110         .dev = {
 111                 .platform_data  = &tl_wr2543n_rtl8367_data,
 112         }
 113 };
 114
 115 static void __init tl_wr2543n_setup(void)
 116 {
 117         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 118         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 119
 120         ath79_register_m25p80(&tl_wr2543n_flash_data);
 121         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr2543n_leds_gpio),
 122                                  tl_wr2543n_leds_gpio);
 123         ath79_register_gpio_keys_polled(-1, TL_WR2543N_KEYS_POLL_INTERVAL,
 124                                         ARRAY_SIZE(tl_wr2543n_gpio_keys),
 125                                         tl_wr2543n_gpio_keys);
 126         ath79_register_usb();
 127
 128         /*
 129          * The ath9k driver uses this pin for its default led device, which is
 130          * named ath9k-phy0, and reflects activity on either the 2 GHz or 5 GHz
 131          * bands. This pin is connected to the WR2543's 2GHz WLAN LED.
 132          */
 133         ap9x_pci_setup_wmac_led_pin(0, TL_WR2543N_GPIO_WMAC_LED_WLAN2G);
 134
 135         /*
 136          * We also have the driver set up an led device for the WR2543's
 137          * separate 5 GHz WLAN LED in case the user wants it.
 138          */
 139         ap9x_pci_setup_wmac_leds(0, tl_wr2543n_wmac_leds_gpio,
 140                                  ARRAY_SIZE(tl_wr2543n_wmac_leds_gpio));
 141         ap91_pci_init(eeprom, mac);
 142
 143         ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
 144         ath79_eth0_data.mii_bus_dev = &tl_wr2543n_rtl8367_device.dev;
 145         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 146         ath79_eth0_data.speed = SPEED_1000;
 147         ath79_eth0_data.duplex = DUPLEX_FULL;
 148         ath79_eth0_pll_data.pll_1000 = 0x1a000000;
 149
 150         ath79_register_eth(0);
 151
 152         platform_device_register(&tl_wr2543n_rtl8367_device);
 153 }
 154
 155 MIPS_MACHINE(ATH79_MACH_TL_WR2543N, "TL-WR2543N", "TP-LINK TL-WR2543N/ND",
 156              tl_wr2543n_setup);