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/*
 *  OMYlink OMY-G1 board support
 *
 *  Copyright (C) 2016 L. D. Pinney <ldpinney@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 OMY_G1_GPIO_LED_WLAN    13
#define OMY_G1_GPIO_LED_WAN     18
#define OMY_G1_GPIO_LED_LAN     19

#define OMY_G1_GPIO_USB_POWER   4

#define OMY_G1_GPIO_BTN_RESET   17

#define OMY_G1_KEYS_POLL_INTERVAL       20      /* msecs */
#define OMY_G1_KEYS_DEBOUNCE_INTERVAL (3 * OMY_G1_KEYS_POLL_INTERVAL)

static const char *omy_g1_part_probes[] = {
        "tp-link",
        NULL,
};

static struct flash_platform_data omy_g1_flash_data = {
        .part_probes    = omy_g1_part_probes,
};

static struct gpio_led omy_g1_leds_gpio[] __initdata = {
        {
                .name           = "omy:green:wlan",
                .gpio           = OMY_G1_GPIO_LED_WLAN,
                .active_low     = 1,
        },{
                .name           = "omy:green:wan",
                .gpio           = OMY_G1_GPIO_LED_WAN,
                .active_low     = 1,
        }, {
                .name           = "omy:green:lan",
                .gpio           = OMY_G1_GPIO_LED_LAN,
                .active_low     = 1,
        },
};

static struct gpio_keys_button omy_g1_gpio_keys[] __initdata = {
        {
                .desc           = "Reset button",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = OMY_G1_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = OMY_G1_GPIO_BTN_RESET,
                .active_low     = 1,
        }
};

static void __init omy_g1_setup(void)
{
        u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
        u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);

        ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
                                 AR934X_GPIO_FUNC_CLK_OBS4_EN);

        ath79_register_m25p80(&omy_g1_flash_data);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(omy_g1_leds_gpio),
                                omy_g1_leds_gpio);

        ath79_register_gpio_keys_polled(1, OMY_G1_KEYS_POLL_INTERVAL,
                                ARRAY_SIZE(omy_g1_gpio_keys),
                                omy_g1_gpio_keys);

        ath79_gpio_output_select(OMY_G1_GPIO_USB_POWER,
                                 AR934X_GPIO_OUT_GPIO);

        ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);

        ath79_register_mdio(1, 0x0);

        ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
        ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);

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

        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
        ath79_register_eth(1);

        ath79_register_wmac(ee, mac);

        ath79_gpio_output_select(OMY_G1_GPIO_USB_POWER,
                                 AR934X_GPIO_OUT_GPIO);

        gpio_request_one(OMY_G1_GPIO_USB_POWER,
                         GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
                         "USB power");

        ath79_register_usb();
}

MIPS_MACHINE(ATH79_MACH_OMY_G1, "OMY-G1", "OMYlink OMY-G1",
             omy_g1_setup);