target/linux/ar71xx/files/arch/mips/ath79/mach-tl-mr6400.c

   1 /*
   2  * TP-LINK TL-MR6400 board support
   3  *
   4  *  Copyright (C) 2017 Filip Moc <lede@moc6.cz>
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *     * The name of the author may not be used to endorse or promote products
   9  *       derived from this software without specific prior written permission.
  10  *
  11  * THIS SOFTWARE IS PROVIDED BY AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
  12  * WARRANTIES, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  13  * DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE.
  14  */
  15
  16 #include <linux/gpio.h>
  17 #include <linux/platform_device.h>
  18
  19 #include <asm/mach-ath79/ar71xx_regs.h>
  20
  21 #include "common.h"
  22 #include "dev-gpio-buttons.h"
  23 #include "dev-eth.h"
  24 #include "dev-leds-gpio.h"
  25 #include "dev-m25p80.h"
  26 #include "dev-usb.h"
  27 #include "dev-wmac.h"
  28 #include "machtypes.h"
  29
  30 #define TL_MR6400_GPIO_LTE_POWER        4
  31 #define TL_MR6400_GPIO_BTN_RESET        12      /* SW2 */
  32 #define TL_MR6400_GPIO_BTN_RFKILL       14      /* SW3 */
  33 #define TL_MR6400_GPIO_LED_WAN          0       /* D12 */
  34 #define TL_MR6400_GPIO_LED_4G           1       /* D11 */
  35 #define TL_MR6400_GPIO_LED_WPS          3       /* D5  */
  36 #define TL_MR6400_GPIO_LED_WLAN         11      /* D3  */
  37 #define TL_MR6400_GPIO_LED_POWER        13      /* D2  */
  38 #define TL_MR6400_GPIO_LED_LAN          16      /* D4  */
  39
  40 #define TL_MR6400_KEYS_POLL_INTERVAL    20 /* msecs */
  41 #define TL_MR6400_KEYS_DEBOUNCE_INTERVAL (3 * TL_MR6400_KEYS_POLL_INTERVAL)
  42
  43 #define TL_MR6400_WMAC_CALDATA_OFFSET   0x1000
  44
  45 static const char *tl_mr6400_part_probes[] = {
  46         "tp-link",
  47         NULL,
  48 };
  49
  50 static struct flash_platform_data tl_mr6400_flash_data = {
  51         .part_probes    = tl_mr6400_part_probes,
  52         .type           = "w25q64",
  53 };
  54
  55 static struct gpio_led tl_mr6400_leds_gpio[] __initdata = {
  56         {
  57                 .name           = "tp-link:white:wan",
  58                 .gpio           = TL_MR6400_GPIO_LED_WAN,
  59                 .active_low     = 0,
  60         },
  61         {
  62                 .name           = "tp-link:white:4g",
  63                 .gpio           = TL_MR6400_GPIO_LED_4G,
  64                 .active_low     = 0,
  65         },
  66         {
  67                 .name           = "tp-link:white:wps",
  68                 .gpio           = TL_MR6400_GPIO_LED_WPS,
  69                 .active_low     = 0,
  70         },
  71         {
  72                 .name           = "tp-link:white:wlan",
  73                 .gpio           = TL_MR6400_GPIO_LED_WLAN,
  74                 .active_low     = 0,
  75         },
  76         {
  77                 .name           = "tp-link:white:power",
  78                 .gpio           = TL_MR6400_GPIO_LED_POWER,
  79                 .active_low     = 0,
  80         },
  81         {
  82                 .name           = "tp-link:white:lan",
  83                 .gpio           = TL_MR6400_GPIO_LED_LAN,
  84                 .active_low     = 0,
  85         },
  86 };
  87
  88 static struct gpio_keys_button tl_mr6400_gpio_keys[] __initdata = {
  89         {
  90                 .desc           = "reset",
  91                 .type           = EV_KEY,
  92                 .code           = KEY_RESTART,
  93                 .debounce_interval = TL_MR6400_KEYS_DEBOUNCE_INTERVAL,
  94                 .gpio           = TL_MR6400_GPIO_BTN_RESET,
  95                 .active_low     = 1,
  96         },
  97         {
  98                 .desc           = "rfkill",
  99                 .type           = EV_KEY,
 100                 .code           = KEY_RFKILL,
 101                 .debounce_interval = TL_MR6400_KEYS_DEBOUNCE_INTERVAL,
 102                 .gpio           = TL_MR6400_GPIO_BTN_RFKILL,
 103                 .active_low     = 1,
 104         },
 105 };
 106
 107 static void __init tl_mr6400_setup(void)
 108 {
 109         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 110         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 111
 112         ath79_register_m25p80(&tl_mr6400_flash_data);
 113
 114         ath79_register_mdio(0, 0x0);
 115
 116         /* LAN1, LAN2, LAN3 */
 117         ath79_switch_data.phy4_mii_en = 1;
 118         ath79_switch_data.phy_poll_mask |= BIT(0);
 119         ath79_eth1_data.duplex = DUPLEX_FULL;
 120         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 121         ath79_eth1_data.speed = SPEED_1000;
 122         ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
 123         ath79_register_eth(1);
 124
 125         /* LAN4 / WAN */
 126         ath79_eth0_data.phy_mask = BIT(0);
 127         ath79_eth0_data.duplex = DUPLEX_FULL;
 128         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 129         ath79_eth0_data.speed = SPEED_100;
 130         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
 131         ath79_register_eth(0);
 132
 133         ath79_register_wmac(art + TL_MR6400_WMAC_CALDATA_OFFSET, mac);
 134
 135         ath79_register_leds_gpio(-1,
 136                                  ARRAY_SIZE(tl_mr6400_leds_gpio),
 137                                  tl_mr6400_leds_gpio);
 138
 139         ath79_register_gpio_keys_polled(-1,
 140                                         TL_MR6400_KEYS_POLL_INTERVAL,
 141                                         ARRAY_SIZE(tl_mr6400_gpio_keys),
 142                                         tl_mr6400_gpio_keys);
 143
 144         gpio_request_one(TL_MR6400_GPIO_LTE_POWER,
 145                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED | GPIOF_ACTIVE_LOW,
 146                          "LTE power");
 147         ath79_register_usb();
 148 }
 149
 150 MIPS_MACHINE(ATH79_MACH_TL_MR6400, "TL-MR6400", "TP-LINK TL-MR6400",
 151              tl_mr6400_setup);