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/*
 * Samsung WAM250 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 WAM250_GPIO_LED_LAN             13
#define WAM250_GPIO_LED_POWER           15
#define WAM250_GPIO_LED_REPEATER        14
#define WAM250_GPIO_LED_WLAN            12

#define WAM250_GPIO_BTN_RESET           17
#define WAM250_GPIO_BTN_SPKADD          1

#define WAM250_GPIO_EXT_LNA             19

#define WAM250_MAC_OFFSET               2

#define WAM250_KEYS_POLL_INTERVAL       20
#define WAM250_KEYS_DEBOUNCE_INTERVAL   (3 * WAM250_KEYS_POLL_INTERVAL)

static struct gpio_led wam250_leds_gpio[] __initdata = {
        {
                .name           = "wam250:white:lan",
                .gpio           = WAM250_GPIO_LED_LAN,
                .active_low     = 1,
        }, {
                .name           = "wam250:white:power",
                .gpio           = WAM250_GPIO_LED_POWER,
                .default_state  = LEDS_GPIO_DEFSTATE_KEEP,
                .active_low     = 1,
        }, {
                .name           = "wam250:white:repeater",
                .gpio           = WAM250_GPIO_LED_REPEATER,
                .active_low     = 1,
        }, {
                .name           = "wam250:white:wlan",
                .gpio           = WAM250_GPIO_LED_WLAN,
                .active_low     = 1,
        },
};

static struct gpio_keys_button wam250_gpio_keys[] __initdata = {
        {
                .desc                   = "reset",
                .type                   = EV_KEY,
                .code                   = KEY_RESTART,
                .debounce_interval      = WAM250_KEYS_DEBOUNCE_INTERVAL,
                .gpio                   = WAM250_GPIO_BTN_RESET,
                .active_low             = 1,
        }, {
                .desc                   = "wps",
                .type                   = EV_KEY,
                .code                   = KEY_WPS_BUTTON,
                .debounce_interval      = WAM250_KEYS_DEBOUNCE_INTERVAL,
                .gpio                   = WAM250_GPIO_BTN_SPKADD,
                .active_low             = 1,
        },
};

static void __init wam250_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1fff1000);

        ath79_register_m25p80(NULL);

        ath79_register_mdio(1, 0x0);

        ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);

        ath79_switch_data.phy4_mii_en = 1;
        ath79_switch_data.phy_poll_mask = 0xfd;

        /* LAN */
        ath79_eth1_data.duplex = DUPLEX_FULL;
        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
        ath79_eth1_data.phy_mask = BIT(1);
        ath79_init_mac(ath79_eth1_data.mac_addr, art + WAM250_MAC_OFFSET, 0);
        ath79_register_eth(1);

        /* WAN */
        ath79_eth0_data.duplex = DUPLEX_FULL;
        ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
        ath79_eth0_data.phy_mask = BIT(0);
        ath79_eth0_data.speed = SPEED_100;
        ath79_init_mac(ath79_eth0_data.mac_addr, art + WAM250_MAC_OFFSET, 1);
        ath79_register_eth(0);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(wam250_leds_gpio),
                                 wam250_leds_gpio);

        ath79_register_gpio_keys_polled(-1, WAM250_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(wam250_gpio_keys),
                                        wam250_gpio_keys);

        ath79_wmac_set_ext_lna_gpio(0, WAM250_GPIO_EXT_LNA);

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

MIPS_MACHINE(ATH79_MACH_WAM250, "WAM250", "Samsung WAM250", wam250_setup);