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/*
 *  Onion Omega board support
 *
 *  Copyright (C) 2015 Boken Lin <bl@onion.io>
 *
 *  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 <asm/mach-ath79/ath79.h>

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

#define OMEGA_GPIO_LED_SYSTEM   27
#define OMEGA_GPIO_BTN_RESET    11

#define OMEGA_GPIO_USB_POWER    8

#define OMEGA_KEYS_POLL_INTERVAL        20  /* msecs */
#define OMEGA_KEYS_DEBOUNCE_INTERVAL    (3 * OMEGA_KEYS_POLL_INTERVAL)

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

static struct flash_platform_data omega_flash_data = {
        .part_probes    = omega_part_probes,
};

static struct gpio_led omega_leds_gpio[] __initdata = {
        {
                .name       = "onion:amber:system",
                .gpio       = OMEGA_GPIO_LED_SYSTEM,
                .active_low = 1,
        },
};

static struct gpio_keys_button omega_gpio_keys[] __initdata = {
        {
                .desc       = "reset",
                .type       = EV_KEY,
                .code       = KEY_RESTART,
                .debounce_interval = OMEGA_KEYS_DEBOUNCE_INTERVAL,
                .gpio       = OMEGA_GPIO_BTN_RESET,
                .active_low = 0,
        }
};

static void __init onion_omega_setup(void)
{
        u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
        u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);

        ath79_register_m25p80(&omega_flash_data);
        ath79_register_leds_gpio(-1, ARRAY_SIZE(omega_leds_gpio),
                                omega_leds_gpio);
        ath79_register_gpio_keys_polled(-1, OMEGA_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(omega_gpio_keys),
                                        omega_gpio_keys);

        gpio_request_one(OMEGA_GPIO_USB_POWER,
                        GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
                        "USB power");
        ath79_register_usb();

        ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);

        ath79_register_mdio(0, 0x0);
        ath79_register_eth(0);

        ath79_register_wmac(ee, mac);
}

MIPS_MACHINE(ATH79_MACH_ONION_OMEGA, "ONION-OMEGA", "Onion Omega", onion_omega_setup);