OpenWrt – Rev 2

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/*
 * ALFA Network AP121F 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-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define AP121F_GPIO_LED_LAN     17
#define AP121F_GPIO_LED_VPN     27
#define AP121F_GPIO_LED_WLAN    0

#define AP121F_GPIO_MICROSD_EN  26

#define AP121F_GPIO_BTN_RESET   12
#define AP121F_GPIO_BTN_SWITCH  21

#define AP121F_KEYS_POLL_INTERVAL       20
#define AP121F_KEYS_DEBOUNCE_INTERVAL   (3 * AP121F_KEYS_POLL_INTERVAL)

#define AP121F_WMAC_CALDATA_OFFSET      0x1000

static struct gpio_led ap121f_leds_gpio[] __initdata = {
        {
                .name           = "ap121f:green:lan",
                .gpio           = AP121F_GPIO_LED_LAN,
                .active_low     = 1,
        }, {
                .name           = "ap121f:green:vpn",
                .gpio           = AP121F_GPIO_LED_VPN,
                .active_low     = 1,
        }, {
                .name           = "ap121f:green:wlan",
                .gpio           = AP121F_GPIO_LED_WLAN,
                .active_low     = 0,
        },
};

static struct gpio_keys_button ap121f_gpio_keys[] __initdata = {
        {
                .desc                   = "reset",
                .type                   = EV_KEY,
                .code                   = KEY_RESTART,
                .debounce_interval      = AP121F_KEYS_DEBOUNCE_INTERVAL,
                .gpio                   = AP121F_GPIO_BTN_RESET,
                .active_low             = 1,
        }, {
                .desc                   = "switch",
                .type                   = EV_KEY,
                .code                   = BTN_0,
                .debounce_interval      = AP121F_KEYS_DEBOUNCE_INTERVAL,
                .gpio                   = AP121F_GPIO_BTN_SWITCH,
                .active_low             = 0,
        },
};

static void __init ap121f_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1f040000);

        ath79_register_m25p80(NULL);

        ath79_setup_ar933x_phy4_switch(false, false);

        /* LAN */
        ath79_register_mdio(0, 0x0);
        ath79_init_mac(ath79_eth0_data.mac_addr, art, 0);
        ath79_register_eth(0);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(ap121f_leds_gpio),
                                 ap121f_leds_gpio);

        ath79_register_gpio_keys_polled(-1, AP121F_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(ap121f_gpio_keys),
                                        ap121f_gpio_keys);

        gpio_request_one(AP121F_GPIO_MICROSD_EN,
                         GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
                         "microSD enable");

        ath79_register_wmac(art + AP121F_WMAC_CALDATA_OFFSET, NULL);

        ath79_register_usb();
}

MIPS_MACHINE(ATH79_MACH_AP121F, "AP121F", "ALFA Network AP121F", ap121f_setup);