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/*
 * EnGenius EAP300 v2 board support
 *
 * Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org>
 *
 * 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/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_device.h>

#include <asm/mach-ath79/ar71xx_regs.h>
#include <asm/mach-ath79/ath79.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 EAP300V2_GPIO_LED_POWER         0
#define EAP300V2_GPIO_LED_LAN           16
#define EAP300V2_GPIO_LED_WLAN          17

#define EAP300V2_GPIO_BTN_RESET         1

#define EAP300V2_KEYS_POLL_INTERVAL     20      /* msecs */
#define EAP300V2_KEYS_DEBOUNCE_INTERVAL (3 * EAP300V2_KEYS_POLL_INTERVAL)

static struct gpio_led eap300v2_leds_gpio[] __initdata = {
        {
                .name           = "engenius:blue:power",
                .gpio           = EAP300V2_GPIO_LED_POWER,
                .active_low     = 1,
        }, {
                .name           = "engenius:blue:lan",
                .gpio           = EAP300V2_GPIO_LED_LAN,
                .active_low     = 1,
        }, {
                .name           = "engenius:blue:wlan",
                .gpio           = EAP300V2_GPIO_LED_WLAN,
                .active_low     = 1,
        }
};

static struct gpio_keys_button eap300v2_gpio_keys[] __initdata = {
        {
                .desc           = "reset",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = EAP300V2_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = EAP300V2_GPIO_BTN_RESET,
                .active_low     = 1,
        }
};

#define EAP300V2_ART_MAC_OFFSET         2

#define EAP300V2_LAN_PHYMASK            BIT(0)

static void __init eap300v2_setup(void)
{
        u8 *art = (u8 *)KSEG1ADDR(0x1fff1000);

        ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);

        ath79_gpio_output_select(EAP300V2_GPIO_LED_POWER, AR934X_GPIO_OUT_GPIO);
        ath79_gpio_output_select(EAP300V2_GPIO_LED_LAN, AR934X_GPIO_OUT_GPIO);
        ath79_gpio_output_select(EAP300V2_GPIO_LED_WLAN, AR934X_GPIO_OUT_GPIO);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(eap300v2_leds_gpio),
                                 eap300v2_leds_gpio);
        ath79_register_gpio_keys_polled(-1, EAP300V2_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(eap300v2_gpio_keys),
                                        eap300v2_gpio_keys);

        ath79_register_m25p80(NULL);
        ath79_register_wmac(art, NULL);
        ath79_register_mdio(1, 0x0);

        ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);

        ath79_init_mac(ath79_eth0_data.mac_addr,
                       art + EAP300V2_ART_MAC_OFFSET, 0);

        ath79_switch_data.phy4_mii_en = 1;
        ath79_switch_data.phy_poll_mask = EAP300V2_LAN_PHYMASK;
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
        ath79_eth0_data.phy_mask = EAP300V2_LAN_PHYMASK;
        ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
        ath79_register_eth(0);
}

MIPS_MACHINE(ATH79_MACH_EAP300V2, "EAP300V2", "EnGenius EAP300 v2",
             eap300v2_setup);