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/*
 *  Telldus TellStick ZNet Lite board support
 *
 *  Copyright (C) 2016 Micke Prag <micke.prag@telldus.se>
 *
 *  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 <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-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define TELLSTICK_GPIO_LED_SYSTEM       27
#define TELLSTICK_GPIO_LED_BLUE 0
#define TELLSTICK_GPIO_LED_RED  14
#define TELLSTICK_GPIO_LED_GREEN        15
#define TELLSTICK_GPIO_LED_LAN_GREEN    16
#define TELLSTICK_GPIO_LED_LAN_ORANGE   17

#define TELLSTICK_GPIO_BTN_RESET        11

#define TELLSTICK_GPIO_RF433_RESET      13

#define TELLSTICK_KEYS_POLL_INTERVAL    20      /* msecs */
#define TELLSTICK_KEYS_DEBOUNCE_INTERVAL        (3 * TELLSTICK_KEYS_POLL_INTERVAL)

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

static struct flash_platform_data tellstick_flash_data = {
        .part_probes    = tellstick_part_probes,
};

static struct gpio_led tellstick_leds_gpio[] __initdata = {
        {
                .name           = "tellstick:white:system",
                .gpio           = TELLSTICK_GPIO_LED_SYSTEM,
                .active_low     = 0,
        },
        {
                .name           = "tellstick:blue:status",
                .gpio           = TELLSTICK_GPIO_LED_BLUE,
                .active_low     = 0,
        },
        {
                .name           = "tellstick:red:status",
                .gpio           = TELLSTICK_GPIO_LED_RED,
                .active_low     = 0,
        },
        {
                .name           = "tellstick:green:status",
                .gpio           = TELLSTICK_GPIO_LED_GREEN,
                .active_low     = 0,
        },
        {
                .name           = "tellstick:green:lan",
                .gpio           = TELLSTICK_GPIO_LED_LAN_GREEN,
                .active_low     = 0,
        },
        {
                .name           = "tellstick:orange:lan",
                .gpio           = TELLSTICK_GPIO_LED_LAN_ORANGE,
                .active_low     = 0,
        },
};

static struct gpio_keys_button tellstick_gpio_keys[] __initdata = {
        {
                .desc           = "reset",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = TELLSTICK_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = TELLSTICK_GPIO_BTN_RESET,
                .active_low     = 0,
        }
};

static void __init tellstick_znet_lite_setup(void)
{
        u8 *ee =  (u8 *) KSEG1ADDR(0x1fff1000);
        u8 mac[ETH_ALEN];
        memcpy(&mac, (u8 *) KSEG1ADDR(0x1f01fc00), sizeof(mac));

        ath79_gpio_function_disable(
                AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
                AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
                AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
                AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
                AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN
        );

        ath79_register_m25p80(&tellstick_flash_data);
        ath79_register_leds_gpio(-1, ARRAY_SIZE(tellstick_leds_gpio),
                                 tellstick_leds_gpio);
        ath79_register_gpio_keys_polled(-1, TELLSTICK_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(tellstick_gpio_keys),
                                        tellstick_gpio_keys);

        gpio_request_one(TELLSTICK_GPIO_RF433_RESET,
                         GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
                         "rf433 reset");
        ath79_register_usb();

        ath79_init_mac(ath79_eth0_data.mac_addr, (u8 *)mac, 0);

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

        // wlan0 mac needs to be different then eth0
        mac[3] += 1;
        ath79_register_wmac(ee, (u8 *)mac);
}

MIPS_MACHINE(ATH79_MACH_TELLSTICK_ZNET_LITE, "TELLSTICK-ZNET-LITE", "Telldus TellStick ZNet Lite",
             tellstick_znet_lite_setup);