target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr841n-v8.c

   1 /*
   2  *  TP-LINK TL-WR841N/ND v8/TL-MR3420 v2 board support
   3  *
   4  *  Copyright (C) 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/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-usb.h"
  23 #include "dev-wmac.h"
  24 #include "machtypes.h"
  25
  26 #define TL_WR841NV8_GPIO_LED_WLAN       13
  27 #define TL_WR841NV8_GPIO_LED_QSS        15
  28 #define TL_WR841NV8_GPIO_LED_WAN        18
  29 #define TL_WR841NV8_GPIO_LED_LAN1       19
  30 #define TL_WR841NV8_GPIO_LED_LAN2       20
  31 #define TL_WR841NV8_GPIO_LED_LAN3       21
  32 #define TL_WR841NV8_GPIO_LED_LAN4       12
  33 #define TL_WR841NV8_GPIO_LED_SYSTEM     14
  34
  35 #define TL_WR841NV8_GPIO_BTN_RESET      17
  36 #define TL_WR841NV8_GPIO_SW_RFKILL      16      /* WPS for MR3420 v2 */
  37
  38 #define TL_MR3420V2_GPIO_LED_3G 11
  39 #define TL_MR3420V2_GPIO_USB_POWER      4
  40
  41 #define TL_WR841NV8_KEYS_POLL_INTERVAL  20      /* msecs */
  42 #define TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR841NV8_KEYS_POLL_INTERVAL)
  43
  44 static const char *tl_wr841n_v8_part_probes[] = {
  45         "tp-link",
  46         NULL,
  47 };
  48
  49 static struct flash_platform_data tl_wr841n_v8_flash_data = {
  50         .part_probes    = tl_wr841n_v8_part_probes,
  51 };
  52
  53 static struct gpio_led tl_wr841n_v8_leds_gpio[] __initdata = {
  54         {
  55                 .name           = "tp-link:green:lan1",
  56                 .gpio           = TL_WR841NV8_GPIO_LED_LAN1,
  57                 .active_low     = 1,
  58         }, {
  59                 .name           = "tp-link:green:lan2",
  60                 .gpio           = TL_WR841NV8_GPIO_LED_LAN2,
  61                 .active_low     = 1,
  62         }, {
  63                 .name           = "tp-link:green:lan3",
  64                 .gpio           = TL_WR841NV8_GPIO_LED_LAN3,
  65                 .active_low     = 1,
  66         }, {
  67                 .name           = "tp-link:green:lan4",
  68                 .gpio           = TL_WR841NV8_GPIO_LED_LAN4,
  69                 .active_low     = 1,
  70         }, {
  71                 .name           = "tp-link:green:qss",
  72                 .gpio           = TL_WR841NV8_GPIO_LED_QSS,
  73                 .active_low     = 1,
  74         }, {
  75                 .name           = "tp-link:green:system",
  76                 .gpio           = TL_WR841NV8_GPIO_LED_SYSTEM,
  77                 .active_low     = 1,
  78         }, {
  79                 .name           = "tp-link:green:wan",
  80                 .gpio           = TL_WR841NV8_GPIO_LED_WAN,
  81                 .active_low     = 1,
  82         }, {
  83                 .name           = "tp-link:green:wlan",
  84                 .gpio           = TL_WR841NV8_GPIO_LED_WLAN,
  85                 .active_low     = 1,
  86         }, {
  87                 /* the 3G LED is only present on the MR3420 v2 */
  88                 .name           = "tp-link:green:3g",
  89                 .gpio           = TL_MR3420V2_GPIO_LED_3G,
  90                 .active_low     = 1,
  91         },
  92 };
  93
  94 static struct gpio_keys_button tl_wr841n_v8_gpio_keys[] __initdata = {
  95         {
  96                 .desc           = "Reset button",
  97                 .type           = EV_KEY,
  98                 .code           = KEY_RESTART,
  99                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 100                 .gpio           = TL_WR841NV8_GPIO_BTN_RESET,
 101                 .active_low     = 1,
 102         }, {
 103                 .desc           = "RFKILL switch",
 104                 .type           = EV_SW,
 105                 .code           = KEY_RFKILL,
 106                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 107                 .gpio           = TL_WR841NV8_GPIO_SW_RFKILL,
 108                 .active_low     = 0,
 109         }
 110 };
 111
 112 static struct gpio_keys_button tl_mr3420v2_gpio_keys[] __initdata = {
 113         {
 114                 .desc           = "Reset button",
 115                 .type           = EV_KEY,
 116                 .code           = KEY_RESTART,
 117                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 118                 .gpio           = TL_WR841NV8_GPIO_BTN_RESET,
 119                 .active_low     = 1,
 120         }, {
 121                 .desc           = "WPS",
 122                 .type           = EV_KEY,
 123                 .code           = KEY_WPS_BUTTON,
 124                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 125                 .gpio           = TL_WR841NV8_GPIO_SW_RFKILL,
 126                 .active_low     = 0,
 127         }
 128 };
 129
 130 static void __init tl_ap123_setup(void)
 131 {
 132         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 133         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 134
 135         /* Disable JTAG, enabling GPIOs 0-3 */
 136         /* Configure OBS4 line, for GPIO 4*/
 137         ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
 138                                  AR934X_GPIO_FUNC_CLK_OBS4_EN);
 139
 140         /* config gpio4 as normal gpio function */
 141         ath79_gpio_output_select(TL_MR3420V2_GPIO_USB_POWER,
 142                                  AR934X_GPIO_OUT_GPIO);
 143
 144         ath79_register_m25p80(&tl_wr841n_v8_flash_data);
 145
 146         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
 147
 148         ath79_register_mdio(1, 0x0);
 149
 150         ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
 151         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
 152
 153         /* GMAC0 is connected to the PHY0 of the internal switch */
 154         ath79_switch_data.phy4_mii_en = 1;
 155         ath79_switch_data.phy_poll_mask = BIT(0);
 156         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 157         ath79_eth0_data.phy_mask = BIT(0);
 158         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 159         ath79_register_eth(0);
 160
 161         /* GMAC1 is connected to the internal switch */
 162         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 163         ath79_register_eth(1);
 164
 165         ath79_register_wmac(ee, mac);
 166 }
 167
 168 static void __init tl_wr841n_v8_setup(void)
 169 {
 170         tl_ap123_setup();
 171
 172         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio) - 1,
 173                                  tl_wr841n_v8_leds_gpio);
 174
 175         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 176                                         ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
 177                                         tl_wr841n_v8_gpio_keys);
 178 }
 179
 180 MIPS_MACHINE(ATH79_MACH_TL_WR841N_V8, "TL-WR841N-v8", "TP-LINK TL-WR841N/ND v8",
 181              tl_wr841n_v8_setup);
 182
 183
 184 static void __init tl_wr842n_v2_setup(void)
 185 {
 186         tl_ap123_setup();
 187
 188         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio) - 1,
 189                                  tl_wr841n_v8_leds_gpio);
 190
 191         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 192                                         ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
 193                                         tl_wr841n_v8_gpio_keys);
 194
 195         gpio_request_one(TL_MR3420V2_GPIO_USB_POWER,
 196                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 197                          "USB power");
 198
 199         ath79_register_usb();
 200 }
 201
 202 MIPS_MACHINE(ATH79_MACH_TL_WR842N_V2, "TL-WR842N-v2", "TP-LINK TL-WR842N/ND v2",
 203              tl_wr842n_v2_setup);
 204
 205 static void __init tl_mr3420v2_setup(void)
 206 {
 207         tl_ap123_setup();
 208
 209         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio),
 210                                 tl_wr841n_v8_leds_gpio);
 211
 212         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 213                                 ARRAY_SIZE(tl_mr3420v2_gpio_keys),
 214                                 tl_mr3420v2_gpio_keys);
 215
 216         /* enable power for the USB port */
 217         gpio_request_one(TL_MR3420V2_GPIO_USB_POWER,
 218                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 219                          "USB power");
 220
 221         ath79_register_usb();
 222 }
 223
 224 MIPS_MACHINE(ATH79_MACH_TL_MR3420_V2, "TL-MR3420-v2", "TP-LINK TL-MR3420 v2",
 225              tl_mr3420v2_setup);