target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr940n-v4.c

   1 /*
   2  *  TP-LINK TL-WR940N v4 board support
   3  *
   4  *  Copyright (C) 2016 David Lutz <kpanic@ff3l.net>
   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-eth.h"
  19 #include "dev-gpio-buttons.h"
  20 #include "dev-leds-gpio.h"
  21 #include "dev-m25p80.h"
  22 #include "dev-wmac.h"
  23 #include "machtypes.h"
  24
  25
  26 #define TL_WR940N_V4_GPIO_LED_QSS               3
  27 #define TL_WR940N_V4_GPIO_LED_WAN               14
  28 #define TL_WR940N_V4_GPIO_LED_WAN_RED           15
  29 #define TL_WR940N_V4_GPIO_LED_LAN4              4
  30 #define TL_WR940N_V4_GPIO_LED_LAN3              18
  31 #define TL_WR940N_V4_GPIO_LED_LAN2              6
  32 #define TL_WR940N_V4_GPIO_LED_LAN1              8
  33 #define TL_WR940N_V4_GPIO_LED_WLAN              7
  34 #define TL_WR940N_V4_GPIO_LED_SYSTEM            5
  35
  36 #define TL_WR940N_V4_GPIO_BTN_RESET             1
  37 #define TL_WR940N_V4_GPIO_BTN_RFKILL            2
  38
  39 #define TL_WR940N_V4_KEYS_POLL_INTERVAL 20
  40 #define TL_WR940N_V4_KEYS_DEBOUNCE_INTERVAL     (3 * TL_WR940N_V4_KEYS_POLL_INTERVAL)
  41
  42
  43 static struct gpio_led tl_wr940n_v4_leds_gpio[] __initdata = {
  44         {
  45                 .name           = "tp-link:blue:qss",
  46                 .gpio           = TL_WR940N_V4_GPIO_LED_QSS,
  47                 .active_low     = 1,
  48         },
  49         {
  50                 .name           = "tp-link:blue:wan",
  51                 .gpio           = TL_WR940N_V4_GPIO_LED_WAN,
  52                 .active_low     = 1,
  53         },
  54         {
  55                 .name           = "tp-link:red:wan",
  56                 .gpio           = TL_WR940N_V4_GPIO_LED_WAN_RED,
  57                 .active_low     = 0,
  58         },
  59         {
  60                 .name           = "tp-link:blue:lan1",
  61                 .gpio           = TL_WR940N_V4_GPIO_LED_LAN1,
  62                 .active_low     = 1,
  63         },
  64         {
  65                 .name           = "tp-link:blue:lan2",
  66                 .gpio           = TL_WR940N_V4_GPIO_LED_LAN2,
  67                 .active_low     = 1,
  68         },
  69         {
  70                 .name           = "tp-link:blue:lan3",
  71                 .gpio           = TL_WR940N_V4_GPIO_LED_LAN3,
  72                 .active_low     = 1,
  73         },
  74         {
  75                 .name           = "tp-link:blue:lan4",
  76                 .gpio           = TL_WR940N_V4_GPIO_LED_LAN4,
  77                 .active_low     = 1,
  78         },
  79         {
  80                 .name           = "tp-link:blue:wlan",
  81                 .gpio           = TL_WR940N_V4_GPIO_LED_WLAN,
  82                 .active_low     = 1,
  83         },
  84         {
  85                 .name           = "tp-link:blue:system",
  86                 .gpio           = TL_WR940N_V4_GPIO_LED_SYSTEM,
  87                 .active_low     = 1,
  88         },
  89 };
  90
  91 static struct gpio_keys_button tl_wr940n_v4_gpio_keys[] __initdata = {
  92         {
  93                 .desc           = "Reset button",
  94                 .type           = EV_KEY,
  95                 .code           = KEY_RESTART,
  96                 .debounce_interval = TL_WR940N_V4_KEYS_DEBOUNCE_INTERVAL,
  97                 .gpio           = TL_WR940N_V4_GPIO_BTN_RESET,
  98                 .active_low     = 1,
  99         }, {
 100                 .desc           = "RFKILL button",
 101                 .type           = EV_KEY,
 102                 .code           = KEY_RFKILL,
 103                 .debounce_interval = TL_WR940N_V4_KEYS_DEBOUNCE_INTERVAL,
 104                 .gpio           = TL_WR940N_V4_GPIO_BTN_RFKILL,
 105                 .active_low     = 1,
 106         }
 107 };
 108
 109
 110 static const char *tl_wr940n_v4_part_probes[] = {
 111         "tp-link",
 112         NULL,
 113 };
 114
 115 static struct flash_platform_data tl_wr940n_v4_flash_data = {
 116         .part_probes    = tl_wr940n_v4_part_probes,
 117 };
 118
 119
 120 static void __init tl_wr940n_v4_setup(void)
 121 {
 122         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 123         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 124
 125         ath79_register_m25p80(&tl_wr940n_v4_flash_data);
 126
 127         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr940n_v4_leds_gpio),
 128                                  tl_wr940n_v4_leds_gpio);
 129
 130         ath79_register_gpio_keys_polled(-1, TL_WR940N_V4_KEYS_POLL_INTERVAL,
 131                                         ARRAY_SIZE(tl_wr940n_v4_gpio_keys),
 132                                         tl_wr940n_v4_gpio_keys);
 133
 134         ath79_register_mdio(0, 0x0);
 135
 136         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
 137         ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
 138
 139         ath79_switch_data.phy4_mii_en = 1;
 140
 141         ath79_register_eth(0);
 142         ath79_register_eth(1);
 143
 144         ath79_register_wmac(ee, mac);
 145
 146 }
 147
 148 MIPS_MACHINE(ATH79_MACH_TL_WR940N_V4, "TL-WR940N-v4", "TP-LINK TL-WR940N v4",
 149              tl_wr940n_v4_setup);