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

   1 /*
   2  *  TP-LINK TL-WR940N v4 and v6 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 /* WR940N v6 specific GPIO*/
  36 #define TL_WR940N_V6_GPIO_LED_DIAG_ORANGE       15
  37 #define TL_WR940N_V6_GPIO_LED_WAN_BLUE          14
  38
  39 #define TL_WR940N_V4_GPIO_BTN_RESET             1
  40 #define TL_WR940N_V4_GPIO_BTN_RFKILL            2
  41
  42 #define TL_WR940N_KEYS_POLL_INTERVAL            20
  43 #define TL_WR940N_KEYS_DEBOUNCE_INTERVAL        (3 * TL_WR940N_KEYS_POLL_INTERVAL)
  44
  45
  46 static struct gpio_led tl_wr940n_v4_leds_gpio[] __initdata = {
  47         {
  48                 .name           = "tp-link:blue:qss",
  49                 .gpio           = TL_WR940N_V4_GPIO_LED_QSS,
  50                 .active_low     = 1,
  51         },
  52         {
  53                 .name           = "tp-link:blue:wan",
  54                 .gpio           = TL_WR940N_V4_GPIO_LED_WAN,
  55                 .active_low     = 1,
  56         },
  57         {
  58                 .name           = "tp-link:red:wan",
  59                 .gpio           = TL_WR940N_V4_GPIO_LED_WAN_RED,
  60                 .active_low     = 0,
  61         },
  62         {
  63                 .name           = "tp-link:blue:lan1",
  64                 .gpio           = TL_WR940N_V4_GPIO_LED_LAN1,
  65                 .active_low     = 1,
  66         },
  67         {
  68                 .name           = "tp-link:blue:lan2",
  69                 .gpio           = TL_WR940N_V4_GPIO_LED_LAN2,
  70                 .active_low     = 1,
  71         },
  72         {
  73                 .name           = "tp-link:blue:lan3",
  74                 .gpio           = TL_WR940N_V4_GPIO_LED_LAN3,
  75                 .active_low     = 1,
  76         },
  77         {
  78                 .name           = "tp-link:blue:lan4",
  79                 .gpio           = TL_WR940N_V4_GPIO_LED_LAN4,
  80                 .active_low     = 1,
  81         },
  82         {
  83                 .name           = "tp-link:blue:wlan",
  84                 .gpio           = TL_WR940N_V4_GPIO_LED_WLAN,
  85                 .active_low     = 1,
  86         },
  87         {
  88                 .name           = "tp-link:blue:system",
  89                 .gpio           = TL_WR940N_V4_GPIO_LED_SYSTEM,
  90                 .active_low     = 1,
  91         },
  92 };
  93
  94 static struct gpio_keys_button tl_wr940n_v4_gpio_keys[] __initdata = {
  95         {
  96                 .desc           = "Reset button",
  97                 .type           = EV_KEY,
  98                 .code           = KEY_RESTART,
  99                 .debounce_interval = TL_WR940N_KEYS_DEBOUNCE_INTERVAL,
 100                 .gpio           = TL_WR940N_V4_GPIO_BTN_RESET,
 101                 .active_low     = 1,
 102         }, {
 103                 .desc           = "RFKILL button",
 104                 .type           = EV_KEY,
 105                 .code           = KEY_RFKILL,
 106                 .debounce_interval = TL_WR940N_KEYS_DEBOUNCE_INTERVAL,
 107                 .gpio           = TL_WR940N_V4_GPIO_BTN_RFKILL,
 108                 .active_low     = 1,
 109         }
 110 };
 111
 112 static struct gpio_led tl_wr940n_v6_leds_gpio[] __initdata = {
 113         {
 114                 .name           = "tp-link:blue:wan",
 115                 .gpio           = TL_WR940N_V6_GPIO_LED_WAN_BLUE,
 116                 .active_low     = 1,
 117         },
 118         {
 119                 .name           = "tp-link:orange:diag",
 120                 .gpio           = TL_WR940N_V6_GPIO_LED_DIAG_ORANGE,
 121                 .active_low     = 0,
 122         },
 123 };
 124
 125
 126 static const char *tl_wr940n_part_probes[] = {
 127         "tp-link",
 128         NULL,
 129 };
 130
 131 static struct flash_platform_data tl_wr940n_flash_data = {
 132         .part_probes    = tl_wr940n_part_probes,
 133 };
 134
 135
 136 static void __init tl_wr940n_setup(void)
 137 {
 138         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 139         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 140
 141         ath79_register_m25p80(&tl_wr940n_flash_data);
 142
 143         ath79_register_mdio(0, 0x0);
 144
 145         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
 146         ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
 147
 148         ath79_switch_data.phy4_mii_en = 1;
 149
 150         ath79_register_eth(0);
 151         ath79_register_eth(1);
 152
 153         ath79_register_wmac(ee, mac);
 154
 155 }
 156
 157 static void __init tl_wr940n_v4_setup(void)
 158 {
 159         tl_wr940n_setup();
 160
 161         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr940n_v4_leds_gpio),
 162                                  tl_wr940n_v4_leds_gpio);
 163
 164         ath79_register_gpio_keys_polled(-1, TL_WR940N_KEYS_POLL_INTERVAL,
 165                                         ARRAY_SIZE(tl_wr940n_v4_gpio_keys),
 166                                         tl_wr940n_v4_gpio_keys);
 167 }
 168
 169 static void __init tl_wr940n_v6_setup(void)
 170 {
 171         tl_wr940n_setup();
 172
 173         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr940n_v6_leds_gpio),
 174                                  tl_wr940n_v6_leds_gpio);
 175
 176         ath79_register_gpio_keys_polled(-1, TL_WR940N_KEYS_POLL_INTERVAL,
 177                                         ARRAY_SIZE(tl_wr940n_v4_gpio_keys),
 178                                         tl_wr940n_v4_gpio_keys);
 179 }
 180
 181 MIPS_MACHINE(ATH79_MACH_TL_WR940N_V4, "TL-WR940N-v4", "TP-LINK TL-WR940N v4",
 182              tl_wr940n_v4_setup);
 183 MIPS_MACHINE(ATH79_MACH_TL_WR940N_V6, "TL-WR940N-v6", "TP-LINK TL-WR940N v6",
 184              tl_wr940n_v6_setup);