target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr902ac-v1.c

   1 /*
   2  * TP-Link TL-WR902AC v1 board support
   3  *
   4  * Copyright (C) 2017 Piotr Dymacz <pepe2k@gmail.com>
   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 #include <linux/platform_device.h>
  13
  14 #include <asm/mach-ath79/ath79.h>
  15 #include <asm/mach-ath79/ar71xx_regs.h>
  16
  17 #include "common.h"
  18 #include "dev-ap9x-pci.h"
  19 #include "dev-eth.h"
  20 #include "dev-gpio-buttons.h"
  21 #include "dev-leds-gpio.h"
  22 #include "dev-m25p80.h"
  23 #include "dev-usb.h"
  24 #include "dev-wmac.h"
  25 #include "machtypes.h"
  26
  27
  28 #define TL_WR902AC_V1_GPIO_LED_LAN      12
  29 #define TL_WR902AC_V1_GPIO_LED_POWER    13
  30 #define TL_WR902AC_V1_GPIO_LED_USB      4
  31 #define TL_WR902AC_V1_GPIO_LED_WLAN2G   11
  32 #define TL_WR902AC_V1_GPIO_LED_WPS      0
  33
  34 #define TL_WR902AC_V1_GPIO_BTN_RESET    3
  35 #define TL_WR902AC_V1_GPIO_BTN_SW1      17
  36 #define TL_WR902AC_V1_GPIO_BTN_SW2      14
  37 #define TL_WR902AC_V1_GPIO_BTN_WPS      2
  38
  39 #define TL_WR902AC_V1_GPIO_USB_POWER    1
  40
  41 #define TL_WR902AC_V1_KEYS_POLL_INTERVAL        20 /* msecs */
  42 #define TL_WR902AC_V1_KEYS_DEBOUNCE_INTERVAL    \
  43         (3 * TL_WR902AC_V1_KEYS_POLL_INTERVAL)
  44
  45 static struct gpio_led tl_wr902ac_v1_leds_gpio[] __initdata = {
  46         {
  47                 .name           = "tl-wr902ac-v1:green:lan",
  48                 .gpio           = TL_WR902AC_V1_GPIO_LED_LAN,
  49                 .active_low     = 1,
  50         }, {
  51                 .name           = "tl-wr902ac-v1:green:power",
  52                 .gpio           = TL_WR902AC_V1_GPIO_LED_POWER,
  53                 .active_low     = 0,
  54         }, {
  55                 .name           = "tl-wr902ac-v1:green:usb",
  56                 .gpio           = TL_WR902AC_V1_GPIO_LED_USB,
  57                 .active_low     = 0,
  58         }, {
  59                 .name           = "tl-wr902ac-v1:green:wlan2g",
  60                 .gpio           = TL_WR902AC_V1_GPIO_LED_WLAN2G,
  61                 .active_low     = 1,
  62         }, {
  63                 .name           = "tl-wr902ac-v1:green:wps",
  64                 .gpio           = TL_WR902AC_V1_GPIO_LED_WPS,
  65                 .active_low     = 1,
  66         }
  67 };
  68
  69 static struct gpio_keys_button tl_wr902ac_v1_gpio_keys[] __initdata = {
  70         {
  71                 .desc           = "reset",
  72                 .type           = EV_KEY,
  73                 .code           = KEY_RESTART,
  74                 .debounce_interval = TL_WR902AC_V1_KEYS_DEBOUNCE_INTERVAL,
  75                 .gpio           = TL_WR902AC_V1_GPIO_BTN_RESET,
  76                 .active_low     = 1,
  77         }, {
  78                 .desc           = "sw1",
  79                 .type           = EV_KEY,
  80                 .code           = BTN_0,
  81                 .debounce_interval = TL_WR902AC_V1_KEYS_DEBOUNCE_INTERVAL,
  82                 .gpio           = TL_WR902AC_V1_GPIO_BTN_SW1,
  83                 .active_low     = 1,
  84         }, {
  85                 .desc           = "sw2",
  86                 .type           = EV_KEY,
  87                 .code           = BTN_1,
  88                 .debounce_interval = TL_WR902AC_V1_KEYS_DEBOUNCE_INTERVAL,
  89                 .gpio           = TL_WR902AC_V1_GPIO_BTN_SW2,
  90                 .active_low     = 1,
  91         }, {
  92                 .desc           = "wps",
  93                 .type           = EV_KEY,
  94                 .code           = KEY_WPS_BUTTON,
  95                 .debounce_interval = TL_WR902AC_V1_KEYS_DEBOUNCE_INTERVAL,
  96                 .gpio           = TL_WR902AC_V1_GPIO_BTN_WPS,
  97                 .active_low     = 1,
  98         }
  99 };
 100
 101 static void __init tl_wr902ac_v1_setup(void)
 102 {
 103         u8 *art = (u8 *) KSEG1ADDR(0x1f7f0000);
 104         u8 *mac = (u8 *) KSEG1ADDR(0x1f750008);
 105
 106         ath79_register_m25p80(NULL);
 107
 108         ath79_setup_ar933x_phy4_switch(false, false);
 109         ath79_register_mdio(0, 0x0);
 110
 111         /* LAN */
 112         ath79_switch_data.phy4_mii_en = 1;
 113         ath79_eth0_data.duplex = DUPLEX_FULL;
 114         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 115         ath79_eth0_data.phy_mask = BIT(4);
 116         ath79_eth0_data.speed = SPEED_100;
 117
 118         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
 119         ath79_register_eth(0);
 120
 121         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr902ac_v1_leds_gpio),
 122                                  tl_wr902ac_v1_leds_gpio);
 123
 124         ath79_register_gpio_keys_polled(-1, TL_WR902AC_V1_KEYS_POLL_INTERVAL,
 125                                         ARRAY_SIZE(tl_wr902ac_v1_gpio_keys),
 126                                         tl_wr902ac_v1_gpio_keys);
 127
 128         gpio_request_one(TL_WR902AC_V1_GPIO_USB_POWER,
 129                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 130                          "USB power");
 131
 132         ath79_register_usb();
 133
 134         ath79_register_wmac(art + 0x1000, mac);
 135
 136         ap91_pci_init(art + 0x5000, NULL);
 137 }
 138
 139 MIPS_MACHINE(ATH79_MACH_TL_WR902AC_V1, "TL-WR902AC-V1", "TP-LINK TL-WR902AC v1",
 140              tl_wr902ac_v1_setup);