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/*
 * GL.iNet GL-USB150 board support
 *
 * Copyright (C) 2017 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-wmac.h"
#include "machtypes.h"

#define GL_USB150_GPIO_LED_POWER        13
#define GL_USB150_GPIO_LED_WLAN         0
#define GL_USB150_GPIO_LAN_RESET        7
#define GL_USB150_GPIO_BTN_RESET        11

#define GL_USB150_KEYS_POLL_INTERVAL            20
#define GL_USB150_KEYS_DEBOUNCE_INTERVAL        \
                                        (3 * GL_USB150_KEYS_POLL_INTERVAL)

#define GL_USB150_WMAC_CALDATA_OFFSET   0x1000

static struct gpio_led gl_usb150_leds_gpio[] __initdata = {
        {
                .name           = "gl-usb150:green:power",
                .gpio           = GL_USB150_GPIO_LED_POWER,
                .active_low     = 0,
        }, {
                .name           = "gl-usb150:green:wlan",
                .gpio           = GL_USB150_GPIO_LED_WLAN,
                .active_low     = 0,
        },
};

static struct gpio_keys_button gl_usb150_gpio_keys[] __initdata = {
        {
                .desc                   = "reset",
                .type                   = EV_KEY,
                .code                   = KEY_RESTART,
                .debounce_interval      = GL_USB150_KEYS_DEBOUNCE_INTERVAL,
                .gpio                   = GL_USB150_GPIO_BTN_RESET,
                .active_low             = 0,
        },
};

static void __init gl_usb150_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);

        ath79_register_m25p80(NULL);

        ath79_setup_ar933x_phy4_switch(false, false);

        /* LAN (PHY4 connected with Realtek RTL8152B) */
        ath79_init_mac(ath79_eth0_data.mac_addr, art, 0);
        ath79_register_mdio(0, 0x0);
        ath79_register_eth(0);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(gl_usb150_leds_gpio),
                                 gl_usb150_leds_gpio);

        ath79_register_gpio_keys_polled(-1, GL_USB150_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(gl_usb150_gpio_keys),
                                        gl_usb150_gpio_keys);

        gpio_request_one(GL_USB150_GPIO_LAN_RESET,
                         GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
                         "LAN reset");

        ath79_register_wmac(art + GL_USB150_WMAC_CALDATA_OFFSET, NULL);
}

MIPS_MACHINE(ATH79_MACH_GL_USB150, "GL-USB150", "GL.iNet GL-USB150",
             gl_usb150_setup);