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/*
 * YunCore T830 board support
 *
 * Copyright (C) 2018 Piotr Dymacz <pepe2k@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-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define T830_GPIO_LED_LAN1      16
#define T830_GPIO_LED_LAN2      15
#define T830_GPIO_LED_LAN3      14
#define T830_GPIO_LED_LAN4      11
#define T830_GPIO_LED_USB       13
#define T830_GPIO_LED_WAN       4
#define T830_GPIO_LED_WLAN      12

#define T830_GPIO_BTN_RESET     17

#define T830_KEYS_POLL_INTERVAL         20 /* msec */
#define T830_KEYS_DEBOUNCE_INTERVAL     (3 * T830_KEYS_POLL_INTERVAL)

#define T830_WMAC_CALDATA_OFFSET        0x1000

static struct gpio_led t830_gpio_leds[] __initdata = {
        {
                .name           = "t830:green:lan1",
                .gpio           = T830_GPIO_LED_LAN1,
                .active_low     = 1,
        }, {
                .name           = "t830:green:lan2",
                .gpio           = T830_GPIO_LED_LAN2,
                .active_low     = 1,
        }, {
                .name           = "t830:green:lan3",
                .gpio           = T830_GPIO_LED_LAN3,
                .active_low     = 1,
        }, {
                .name           = "t830:green:lan4",
                .gpio           = T830_GPIO_LED_LAN4,
                .active_low     = 1,
        }, {
                .name           = "t830:green:usb",
                .gpio           = T830_GPIO_LED_USB,
                .active_low     = 1,
                .default_state  = LEDS_GPIO_DEFSTATE_KEEP,
        }, {
                .name           = "t830:green:wan",
                .gpio           = T830_GPIO_LED_WAN,
                .active_low     = 1,
        }, {
                .name           = "t830:green:wlan",
                .gpio           = T830_GPIO_LED_WLAN,
                .active_low     = 1,
        },
};

static struct gpio_keys_button t830_gpio_keys[] __initdata = {
        {
                .desc                   = "reset",
                .type                   = EV_KEY,
                .code                   = KEY_RESTART,
                .debounce_interval      = T830_KEYS_DEBOUNCE_INTERVAL,
                .gpio                   = T830_GPIO_BTN_RESET,
                .active_low             = 1,
        },
};

static void __init t830_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1fff1000);
        u8 *mac = (u8 *) KSEG1ADDR(0x1fff0000);

        ath79_register_m25p80(NULL);

        ath79_setup_ar933x_phy4_switch(false, false);

        ath79_register_mdio(0, 0x0);

        ath79_switch_data.phy4_mii_en = 1;
        ath79_switch_data.phy_poll_mask |= BIT(4);

        /* LAN */
        ath79_eth1_data.duplex = DUPLEX_FULL;
        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
        ath79_init_mac(ath79_eth1_data.mac_addr, mac + 6, 0);
        ath79_register_eth(1);

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

        ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
                                  AR934X_GPIO_FUNC_CLK_OBS4_EN);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(t830_gpio_leds),
                                 t830_gpio_leds);

        ath79_register_gpio_keys_polled(-1, T830_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(t830_gpio_keys),
                                        t830_gpio_keys);

        ath79_register_usb();
        ath79_register_wmac(art, NULL);
}

MIPS_MACHINE(ATH79_MACH_T830, "T830", "YunCore T830", t830_setup);