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

   1 /*
   2  *  TP-LINK TL-WR841N/ND v8/TL-MR3420 v2/TL-WA801ND v2 board support
   3  *
   4  *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2013 Jiri Pirko <jiri@resnulli.us>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <linux/gpio.h>
  13 #include <linux/platform_device.h>
  14
  15 #include <asm/mach-ath79/ath79.h>
  16 #include <asm/mach-ath79/ar71xx_regs.h>
  17
  18 #include "common.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 #define TL_WR841NV8_GPIO_LED_WLAN       13
  28 #define TL_WR841NV8_GPIO_LED_QSS        15
  29 #define TL_WR841NV8_GPIO_LED_WAN        18
  30 #define TL_WR841NV8_GPIO_LED_LAN1       19
  31 #define TL_WR841NV8_GPIO_LED_LAN2       20
  32 #define TL_WR841NV8_GPIO_LED_LAN3       21
  33 #define TL_WR841NV8_GPIO_LED_LAN4       12
  34 #define TL_WR841NV8_GPIO_LED_SYSTEM     14
  35
  36 #define TL_WR841NV8_GPIO_BTN_RESET      17
  37 #define TL_WR841NV8_GPIO_SW_RFKILL      16      /* WPS for MR3420 v2 */
  38
  39 #define TL_MR3420V2_GPIO_LED_3G 11
  40 #define TL_MR3420V2_GPIO_USB_POWER      4
  41
  42 #define TL_WR841NV8_KEYS_POLL_INTERVAL  20      /* msecs */
  43 #define TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR841NV8_KEYS_POLL_INTERVAL)
  44
  45 static const char *tl_wr841n_v8_part_probes[] = {
  46         "tp-link",
  47         NULL,
  48 };
  49
  50 static struct flash_platform_data tl_wr841n_v8_flash_data = {
  51         .part_probes    = tl_wr841n_v8_part_probes,
  52 };
  53
  54 static struct gpio_led tl_wr841n_v8_leds_gpio[] __initdata = {
  55         {
  56                 .name           = "tp-link:green:lan1",
  57                 .gpio           = TL_WR841NV8_GPIO_LED_LAN1,
  58                 .active_low     = 1,
  59         }, {
  60                 .name           = "tp-link:green:lan2",
  61                 .gpio           = TL_WR841NV8_GPIO_LED_LAN2,
  62                 .active_low     = 1,
  63         }, {
  64                 .name           = "tp-link:green:lan3",
  65                 .gpio           = TL_WR841NV8_GPIO_LED_LAN3,
  66                 .active_low     = 1,
  67         }, {
  68                 .name           = "tp-link:green:lan4",
  69                 .gpio           = TL_WR841NV8_GPIO_LED_LAN4,
  70                 .active_low     = 1,
  71         }, {
  72                 .name           = "tp-link:green:qss",
  73                 .gpio           = TL_WR841NV8_GPIO_LED_QSS,
  74                 .active_low     = 1,
  75         }, {
  76                 .name           = "tp-link:green:system",
  77                 .gpio           = TL_WR841NV8_GPIO_LED_SYSTEM,
  78                 .active_low     = 1,
  79         }, {
  80                 .name           = "tp-link:green:wan",
  81                 .gpio           = TL_WR841NV8_GPIO_LED_WAN,
  82                 .active_low     = 1,
  83         }, {
  84                 .name           = "tp-link:green:wlan",
  85                 .gpio           = TL_WR841NV8_GPIO_LED_WLAN,
  86                 .active_low     = 1,
  87         }, {
  88                 /* the 3G LED is only present on the MR3420 v2 */
  89                 .name           = "tp-link:green:3g",
  90                 .gpio           = TL_MR3420V2_GPIO_LED_3G,
  91                 .active_low     = 1,
  92         },
  93 };
  94
  95 static struct gpio_led tl_wa801nd_v2_leds_gpio[] __initdata = {
  96         {
  97                 .name           = "tp-link:green:qss",
  98                 .gpio           = TL_WR841NV8_GPIO_LED_QSS,
  99                 .active_low     = 1,
 100         }, {
 101                 .name           = "tp-link:green:system",
 102                 .gpio           = TL_WR841NV8_GPIO_LED_SYSTEM,
 103                 .active_low     = 1,
 104         }, {
 105                 .name           = "tp-link:green:lan",
 106                 .gpio           = TL_WR841NV8_GPIO_LED_WAN, /* LAN for wa801nd_v2 */
 107                 .active_low     = 1,
 108         }, {
 109                 .name           = "tp-link:green:wlan",
 110                 .gpio           = TL_WR841NV8_GPIO_LED_WLAN,
 111                 .active_low     = 1,
 112         },
 113 };
 114
 115 static struct gpio_keys_button tl_wr841n_v8_gpio_keys[] __initdata = {
 116         {
 117                 .desc           = "Reset button",
 118                 .type           = EV_KEY,
 119                 .code           = KEY_RESTART,
 120                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 121                 .gpio           = TL_WR841NV8_GPIO_BTN_RESET,
 122                 .active_low     = 1,
 123         }, {
 124                 .desc           = "RFKILL switch",
 125                 .type           = EV_SW,
 126                 .code           = KEY_RFKILL,
 127                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 128                 .gpio           = TL_WR841NV8_GPIO_SW_RFKILL,
 129                 .active_low     = 0,
 130         }
 131 };
 132
 133 static struct gpio_keys_button tl_mr3420v2_gpio_keys[] __initdata = {
 134         {
 135                 .desc           = "Reset button",
 136                 .type           = EV_KEY,
 137                 .code           = KEY_RESTART,
 138                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 139                 .gpio           = TL_WR841NV8_GPIO_BTN_RESET,
 140                 .active_low     = 1,
 141         }, {
 142                 .desc           = "WPS",
 143                 .type           = EV_KEY,
 144                 .code           = KEY_WPS_BUTTON,
 145                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
 146                 .gpio           = TL_WR841NV8_GPIO_SW_RFKILL,
 147                 .active_low     = 0,
 148         }
 149 };
 150
 151 static void __init tl_ap123_setup(bool setup_gmac1)
 152 {
 153         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 154         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 155
 156         /* Disable JTAG, enabling GPIOs 0-3 */
 157         /* Configure OBS4 line, for GPIO 4*/
 158         ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
 159                                  AR934X_GPIO_FUNC_CLK_OBS4_EN);
 160
 161         /* config gpio4 as normal gpio function */
 162         ath79_gpio_output_select(TL_MR3420V2_GPIO_USB_POWER,
 163                                  AR934X_GPIO_OUT_GPIO);
 164
 165         ath79_register_m25p80(&tl_wr841n_v8_flash_data);
 166
 167         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
 168
 169         ath79_register_mdio(1, 0x0);
 170
 171         ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
 172         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
 173
 174         /* GMAC0 is connected to the PHY0 of the internal switch */
 175         ath79_switch_data.phy4_mii_en = 1;
 176         ath79_switch_data.phy_poll_mask = BIT(0);
 177         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 178         ath79_eth0_data.phy_mask = BIT(0);
 179         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 180         ath79_register_eth(0);
 181
 182         if (setup_gmac1) {
 183                 /* GMAC1 is connected to the internal switch */
 184                 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 185                 ath79_register_eth(1);
 186         }
 187
 188         ath79_register_wmac(ee, mac);
 189 }
 190
 191 static void __init tl_wr841n_v8_setup(void)
 192 {
 193         tl_ap123_setup(true);
 194
 195         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio) - 1,
 196                                  tl_wr841n_v8_leds_gpio);
 197
 198         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 199                                         ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
 200                                         tl_wr841n_v8_gpio_keys);
 201 }
 202
 203 MIPS_MACHINE(ATH79_MACH_TL_WR841N_V8, "TL-WR841N-v8", "TP-LINK TL-WR841N/ND v8",
 204              tl_wr841n_v8_setup);
 205
 206
 207 static void __init tl_wr842n_v2_setup(void)
 208 {
 209         tl_ap123_setup(true);
 210
 211         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio),
 212                                  tl_wr841n_v8_leds_gpio);
 213
 214         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 215                                         ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
 216                                         tl_wr841n_v8_gpio_keys);
 217
 218         gpio_request_one(TL_MR3420V2_GPIO_USB_POWER,
 219                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 220                          "USB power");
 221
 222         ath79_register_usb();
 223 }
 224
 225 MIPS_MACHINE(ATH79_MACH_TL_WR842N_V2, "TL-WR842N-v2", "TP-LINK TL-WR842N/ND v2",
 226              tl_wr842n_v2_setup);
 227
 228 static void __init tl_mr3420v2_setup(void)
 229 {
 230         tl_ap123_setup(true);
 231
 232         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio),
 233                                 tl_wr841n_v8_leds_gpio);
 234
 235         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 236                                 ARRAY_SIZE(tl_mr3420v2_gpio_keys),
 237                                 tl_mr3420v2_gpio_keys);
 238
 239         /* enable power for the USB port */
 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_MR3420_V2, "TL-MR3420-v2", "TP-LINK TL-MR3420 v2",
 248              tl_mr3420v2_setup);
 249
 250 static void __init tl_wa801nd_v2_setup(void)
 251 {
 252         tl_ap123_setup(false);
 253
 254         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wa801nd_v2_leds_gpio),
 255                                  tl_wa801nd_v2_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
 262 MIPS_MACHINE(ATH79_MACH_TL_WA801ND_V2, "TL-WA801ND-v2", "TP-LINK TL-WA801ND v2",
 263              tl_wa801nd_v2_setup);