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/*
 *  TP-LINK TL-WA801ND v3 adapted from TP-LINK TL-WR841N/ND v9
 *  TP-LINK TL-WA801ND v4
 *
 *  Copyright (C) 2014 Matthias Schiffer <mschiffer@universe-factory.net>
 *  Copyright (C) 2016 Tiziano Bacocco <tizbac2@gmail.com>
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License version 2 as published
 *  by the Free Software Foundation.
 */

#include <linux/gpio.h>
#include <linux/platform_device.h>

#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>

#include "common.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define TL_WA801NDV3_GPIO_LED_WLAN      12
#define TL_WA801NDV3_GPIO_LED_SYSTEM    13
#define TL_WA801NDV3_GPIO_LED_SECURITY_RED 11
#define TL_WA801NDV3_GPIO_LED_SECURITY_GREEN 15
#define TL_WA801NDV3_GPIO_LED_LAN 3

#define TL_WA801NDV3_GPIO_BTN_RESET     2
#define TL_WA801NDV3_GPIO_BTN_WIFI      1

#define TL_WA801NDV3_KEYS_POLL_INTERVAL 20      /* msecs */
#define TL_WA801NDV3_KEYS_DEBOUNCE_INTERVAL (3 * TL_WA801NDV3_KEYS_POLL_INTERVAL)

static const char *tl_wa801n_v3_part_probes[] = {
        "tp-link",
        NULL,
};

static struct flash_platform_data tl_wa801n_v3_flash_data = {
        .part_probes    = tl_wa801n_v3_part_probes,
};

static struct gpio_led tl_wa801n_v3_leds_gpio[] __initdata = {
  {
                .name           = "tp-link:green:system",
                .gpio           = TL_WA801NDV3_GPIO_LED_SYSTEM,
                .active_low     = 1,
        }, {
                .name           = "tp-link:green:lan",
                .gpio           = TL_WA801NDV3_GPIO_LED_LAN,
                .active_low     = 1,
        }, {
                .name           = "tp-link:green:wlan",
                .gpio           = TL_WA801NDV3_GPIO_LED_WLAN,
                .active_low     = 1,
        }, {
                .name           = "tp-link:red:security",
                .gpio           = TL_WA801NDV3_GPIO_LED_SECURITY_RED,
                .active_low     = 0,
        }, {
                .name           = "tp-link:green:security",
                .gpio           = TL_WA801NDV3_GPIO_LED_SECURITY_GREEN,
                .active_low     = 0,
        }

};

static struct gpio_keys_button tl_wa801n_v3_gpio_keys[] __initdata = {
        {
                .desc           = "Reset button",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = TL_WA801NDV3_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = TL_WA801NDV3_GPIO_BTN_RESET,
                .active_low     = 1,
        }, {
                .desc           = "WIFI button",
                .type           = EV_KEY,
                .code           = KEY_RFKILL,
                .debounce_interval = TL_WA801NDV3_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = TL_WA801NDV3_GPIO_BTN_WIFI,
                .active_low     = 1,
        }
};


static void __init tl_ap143_setup(void)
{
        u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
        u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
        u8 tmpmac[ETH_ALEN];

        ath79_register_m25p80(&tl_wa801n_v3_flash_data);

        ath79_setup_ar933x_phy4_switch(false, false);

        ath79_register_mdio(0, 0x0);

        /* LAN */
        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
        ath79_eth1_data.duplex = DUPLEX_FULL;
        ath79_switch_data.phy_poll_mask |= BIT(4);
        ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
        ath79_register_eth(1);

        /* WAN */
        ath79_switch_data.phy4_mii_en = 1;
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
        ath79_eth0_data.duplex = DUPLEX_FULL;
        ath79_eth0_data.speed = SPEED_100;
        ath79_eth0_data.phy_mask = BIT(4);
        ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
        ath79_register_eth(0);

        ath79_init_mac(tmpmac, mac, 0);
        ath79_register_wmac(ee, tmpmac);
}

static void __init tl_wa801n_v3_setup(void)
{
        tl_ap143_setup();

        ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wa801n_v3_leds_gpio),
                                 tl_wa801n_v3_leds_gpio);

        ath79_register_gpio_keys_polled(1, TL_WA801NDV3_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(tl_wa801n_v3_gpio_keys),
                                        tl_wa801n_v3_gpio_keys);
}

MIPS_MACHINE(ATH79_MACH_TL_WA801ND_V3, "TL-WA801ND-v3", "TP-LINK TL-WA801ND v3",
             tl_wa801n_v3_setup);