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_WR941NDV5_GPIO_LED_WLAN      13
  42 #define TL_WR941NDV5_GPIO_LED_QSS       15
  43 #define TL_WR941NDV5_GPIO_LED_WAN       18
  44 #define TL_WR941NDV5_GPIO_LED_LAN1      19
  45 #define TL_WR941NDV5_GPIO_LED_LAN2      20
  46 #define TL_WR941NDV5_GPIO_LED_LAN3      2
  47 #define TL_WR941NDV5_GPIO_LED_LAN4      3
  48 #define TL_WR941NDV5_GPIO_LED_SYSTEM    14
  49
  50 #define TL_WR841NV8_KEYS_POLL_INTERVAL  20      /* msecs */
  51 #define TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR841NV8_KEYS_POLL_INTERVAL)
  52
  53 static const char *tl_wr841n_v8_part_probes[] = {
  54         "tp-link",
  55         NULL,
  56 };
  57
  58 static struct flash_platform_data tl_wr841n_v8_flash_data = {
  59         .part_probes    = tl_wr841n_v8_part_probes,
  60 };
  61
  62 static struct gpio_led tl_wr841n_v8_leds_gpio[] __initdata = {
  63         {
  64                 .name           = "tp-link:green:lan1",
  65                 .gpio           = TL_WR841NV8_GPIO_LED_LAN1,
  66                 .active_low     = 1,
  67         }, {
  68                 .name           = "tp-link:green:lan2",
  69                 .gpio           = TL_WR841NV8_GPIO_LED_LAN2,
  70                 .active_low     = 1,
  71         }, {
  72                 .name           = "tp-link:green:lan3",
  73                 .gpio           = TL_WR841NV8_GPIO_LED_LAN3,
  74                 .active_low     = 1,
  75         }, {
  76                 .name           = "tp-link:green:lan4",
  77                 .gpio           = TL_WR841NV8_GPIO_LED_LAN4,
  78                 .active_low     = 1,
  79         }, {
  80                 .name           = "tp-link:green:qss",
  81                 .gpio           = TL_WR841NV8_GPIO_LED_QSS,
  82                 .active_low     = 1,
  83         }, {
  84                 .name           = "tp-link:green:system",
  85                 .gpio           = TL_WR841NV8_GPIO_LED_SYSTEM,
  86                 .active_low     = 1,
  87         }, {
  88                 .name           = "tp-link:green:wan",
  89                 .gpio           = TL_WR841NV8_GPIO_LED_WAN,
  90                 .active_low     = 1,
  91         }, {
  92                 .name           = "tp-link:green:wlan",
  93                 .gpio           = TL_WR841NV8_GPIO_LED_WLAN,
  94                 .active_low     = 1,
  95         }, {
  96                 /* the 3G LED is only present on the MR3420 v2 */
  97                 .name           = "tp-link:green:3g",
  98                 .gpio           = TL_MR3420V2_GPIO_LED_3G,
  99                 .active_low     = 1,
 100         },
 101 };
 102
 103 static struct gpio_keys_button tl_wr841n_v8_gpio_keys[] __initdata = {
 104         {
 105                 .desc           = "Reset button",
 106                 .type           = EV_KEY,
 107                 .code           = KEY_RESTART,
 108                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 109                 .gpio           = TL_WR841NV8_GPIO_BTN_RESET,
 110                 .active_low     = 1,
 111         }, {
 112                 .desc           = "RFKILL switch",
 113                 .type           = EV_SW,
 114                 .code           = KEY_RFKILL,
 115                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 116                 .gpio           = TL_WR841NV8_GPIO_SW_RFKILL,
 117                 .active_low     = 0,
 118         }
 119 };
 120
 121 static struct gpio_keys_button tl_mr3420v2_gpio_keys[] __initdata = {
 122         {
 123                 .desc           = "Reset button",
 124                 .type           = EV_KEY,
 125                 .code           = KEY_RESTART,
 126                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 127                 .gpio           = TL_WR841NV8_GPIO_BTN_RESET,
 128                 .active_low     = 1,
 129         }, {
 130                 .desc           = "WPS",
 131                 .type           = EV_KEY,
 132                 .code           = KEY_WPS_BUTTON,
 133                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 134                 .gpio           = TL_WR841NV8_GPIO_SW_RFKILL,
 135                 .active_low     = 0,
 136         }
 137 };
 138
 139 static struct gpio_led tl_wr941nd_v5_leds_gpio[] __initdata = {
 140         {
 141                 .name           = "tp-link:green:lan1",
 142                 .gpio           = TL_WR941NDV5_GPIO_LED_LAN1,
 143                 .active_low     = 1,
 144         }, {
 145                 .name           = "tp-link:green:lan2",
 146                 .gpio           = TL_WR941NDV5_GPIO_LED_LAN2,
 147                 .active_low     = 1,
 148         }, {
 149                 .name           = "tp-link:green:lan3",
 150                 .gpio           = TL_WR941NDV5_GPIO_LED_LAN3,
 151                 .active_low     = 1,
 152         }, {
 153                 .name           = "tp-link:green:lan4",
 154                 .gpio           = TL_WR941NDV5_GPIO_LED_LAN4,
 155                 .active_low     = 1,
 156         }, {
 157                 .name           = "tp-link:green:qss",
 158                 .gpio           = TL_WR941NDV5_GPIO_LED_QSS,
 159                 .active_low     = 1,
 160         }, {
 161                 .name           = "tp-link:green:system",
 162                 .gpio           = TL_WR941NDV5_GPIO_LED_SYSTEM,
 163                 .active_low     = 1,
 164         }, {
 165                 .name           = "tp-link:green:wan",
 166                 .gpio           = TL_WR941NDV5_GPIO_LED_WAN,
 167                 .active_low     = 1,
 168         }, {
 169                 .name           = "tp-link:green:wlan",
 170                 .gpio           = TL_WR941NDV5_GPIO_LED_WLAN,
 171                 .active_low     = 1,
 172         },
 173 };
 174
 175 static void __init tl_ap123_setup(void)
 176 {
 177         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 178         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 179
 180         /* Disable JTAG, enabling GPIOs 0-3 */
 181         /* Configure OBS4 line, for GPIO 4*/
 182         ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
 183                                  AR934X_GPIO_FUNC_CLK_OBS4_EN);
 184
 185         /* config gpio4 as normal gpio function */
 186         ath79_gpio_output_select(TL_MR3420V2_GPIO_USB_POWER,
 187                                  AR934X_GPIO_OUT_GPIO);
 188
 189         ath79_register_m25p80(&tl_wr841n_v8_flash_data);
 190
 191         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
 192
 193         ath79_register_mdio(1, 0x0);
 194
 195         ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
 196         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
 197
 198         /* GMAC0 is connected to the PHY0 of the internal switch */
 199         ath79_switch_data.phy4_mii_en = 1;
 200         ath79_switch_data.phy_poll_mask = BIT(0);
 201         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 202         ath79_eth0_data.phy_mask = BIT(0);
 203         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 204         ath79_register_eth(0);
 205
 206         /* GMAC1 is connected to the internal switch */
 207         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 208         ath79_register_eth(1);
 209
 210         ath79_register_wmac(ee, mac);
 211 }
 212
 213 static void __init tl_wr841n_v8_setup(void)
 214 {
 215         tl_ap123_setup();
 216
 217         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio) - 1,
 218                                  tl_wr841n_v8_leds_gpio);
 219
 220         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 221                                         ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
 222                                         tl_wr841n_v8_gpio_keys);
 223 }
 224
 225 MIPS_MACHINE(ATH79_MACH_TL_WR841N_V8, "TL-WR841N-v8", "TP-LINK TL-WR841N/ND v8",
 226              tl_wr841n_v8_setup);
 227
 228
 229 static void __init tl_wr842n_v2_setup(void)
 230 {
 231         tl_ap123_setup();
 232
 233         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio),
 234                                  tl_wr841n_v8_leds_gpio);
 235
 236         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 237                                         ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
 238                                         tl_wr841n_v8_gpio_keys);
 239
 240         gpio_request_one(TL_MR3420V2_GPIO_USB_POWER,
 241                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 242                          "USB power");
 243
 244         ath79_register_usb();
 245 }
 246
 247 MIPS_MACHINE(ATH79_MACH_TL_WR842N_V2, "TL-WR842N-v2", "TP-LINK TL-WR842N/ND v2",
 248              tl_wr842n_v2_setup);
 249
 250 static void __init tl_mr3420v2_setup(void)
 251 {
 252         tl_ap123_setup();
 253
 254         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio),
 255                                 tl_wr841n_v8_leds_gpio);
 256
 257         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 258                                 ARRAY_SIZE(tl_mr3420v2_gpio_keys),
 259                                 tl_mr3420v2_gpio_keys);
 260
 261         /* enable power for the USB port */
 262         gpio_request_one(TL_MR3420V2_GPIO_USB_POWER,
 263                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 264                          "USB power");
 265
 266         ath79_register_usb();
 267 }
 268
 269 MIPS_MACHINE(ATH79_MACH_TL_MR3420_V2, "TL-MR3420-v2", "TP-LINK TL-MR3420 v2",
 270              tl_mr3420v2_setup);
 271
 272
 273 static void __init tl_wr941nd_v5_setup(void)
 274 {
 275         tl_ap123_setup();
 276
 277         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr941nd_v5_leds_gpio),
 278                                  tl_wr941nd_v5_leds_gpio);
 279
 280         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 281                                         ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
 282                                         tl_wr841n_v8_gpio_keys);
 283 }
 284
 285 MIPS_MACHINE(ATH79_MACH_TL_WR941ND_V5, "TL-WR941ND-v5", "TP-LINK TL-WR941N/ND v5",
 286              tl_wr941nd_v5_setup);