target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wa830re-v2.c

   1 /*
   2  *  TP-LINK TL-WA830RE v2 board support
   3  *
   4  *  Copyright (C) 2014 Fredrik Jonson <fredrik@famjonson.se>
   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_WA830REV2_GPIO_LED_WLAN      13
  27 #define TL_WA830REV2_GPIO_LED_QSS       15
  28 #define TL_WA830REV2_GPIO_LED_LAN       18
  29 #define TL_WA830REV2_GPIO_LED_SYSTEM    14
  30
  31 #define TL_WA830REV2_GPIO_BTN_RESET     17
  32 #define TL_WA830REV2_GPIO_SW_RFKILL     16      /* WPS for MR3420 v2 */
  33
  34 #define TL_WA830REV2_GPIO_USB_POWER     4
  35
  36 #define TL_WA830REV2_KEYS_POLL_INTERVAL 20      /* msecs */
  37 #define TL_WA830REV2_KEYS_DEBOUNCE_INTERVAL (3 * TL_WA830REV2_KEYS_POLL_INTERVAL)
  38
  39 static const char *tl_wa830re_v2_part_probes[] = {
  40         "tp-link",
  41         NULL,
  42 };
  43
  44 static struct flash_platform_data tl_wa830re_v2_flash_data = {
  45         .part_probes    = tl_wa830re_v2_part_probes,
  46 };
  47
  48 static struct gpio_led tl_wa830re_v2_leds_gpio[] __initdata = {
  49         {
  50                 .name           = "tp-link:green:qss",
  51                 .gpio           = TL_WA830REV2_GPIO_LED_QSS,
  52                 .active_low     = 1,
  53         }, {
  54                 .name           = "tp-link:green:system",
  55                 .gpio           = TL_WA830REV2_GPIO_LED_SYSTEM,
  56                 .active_low     = 1,
  57         }, {
  58                 .name           = "tp-link:green:lan",
  59                 .gpio           = TL_WA830REV2_GPIO_LED_LAN,
  60                 .active_low     = 1,
  61         }, {
  62                 .name           = "tp-link:green:wlan",
  63                 .gpio           = TL_WA830REV2_GPIO_LED_WLAN,
  64                 .active_low     = 1,
  65         },
  66 };
  67
  68 static struct gpio_keys_button tl_wa830re_v2_gpio_keys[] __initdata = {
  69         {
  70                 .desc           = "Reset button",
  71                 .type           = EV_KEY,
  72                 .code           = KEY_RESTART,
  73                 .debounce_interval = TL_WA830REV2_KEYS_DEBOUNCE_INTERVAL,
  74                 .gpio           = TL_WA830REV2_GPIO_BTN_RESET,
  75                 .active_low     = 1,
  76         }, {
  77                 .desc           = "RFKILL switch",
  78                 .type           = EV_SW,
  79                 .code           = KEY_RFKILL,
  80                 .debounce_interval = TL_WA830REV2_KEYS_DEBOUNCE_INTERVAL,
  81                 .gpio           = TL_WA830REV2_GPIO_SW_RFKILL,
  82                 .active_low     = 0,
  83         }
  84 };
  85
  86 static void __init tl_ap123_setup(void)
  87 {
  88         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  89         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  90
  91         /* Disable JTAG, enabling GPIOs 0-3 */
  92         /* Configure OBS4 line, for GPIO 4*/
  93         ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
  94                                  AR934X_GPIO_FUNC_CLK_OBS4_EN);
  95
  96         /* config gpio4 as normal gpio function */
  97         ath79_gpio_output_select(TL_WA830REV2_GPIO_USB_POWER,
  98                                  AR934X_GPIO_OUT_GPIO);
  99
 100         ath79_register_m25p80(&tl_wa830re_v2_flash_data);
 101
 102         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
 103
 104         ath79_register_mdio(1, 0x0);
 105
 106         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 107
 108         /* GMAC0 is connected to the PHY0 of the internal switch */
 109         ath79_switch_data.phy4_mii_en = 1;
 110         ath79_switch_data.phy_poll_mask = BIT(0);
 111         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 112         ath79_eth0_data.phy_mask = BIT(0);
 113         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 114         ath79_register_eth(0);
 115
 116         ath79_register_wmac(ee, mac);
 117 }
 118
 119 static void __init tl_wa830re_v2_setup(void)
 120 {
 121         tl_ap123_setup();
 122
 123         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wa830re_v2_leds_gpio) - 1,
 124                                  tl_wa830re_v2_leds_gpio);
 125
 126         ath79_register_gpio_keys_polled(1, TL_WA830REV2_KEYS_POLL_INTERVAL,
 127                                         ARRAY_SIZE(tl_wa830re_v2_gpio_keys),
 128                                         tl_wa830re_v2_gpio_keys);
 129 }
 130
 131 MIPS_MACHINE(ATH79_MACH_TL_WA830RE_V2, "TL-WA830RE-v2", "TP-LINK TL-WA830RE v2",
 132              tl_wa830re_v2_setup);