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/*
 * Atheros AP143 reference board support
 *
 * Copyright (c) 2013-2015 The Linux Foundation. All rights reserved.
 * Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/ar8216_platform.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-spi.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define AP143_GPIO_LED_WLAN             12
#define AP143_GPIO_LED_WPS              13
#define AP143_GPIO_LED_STATUS           13

#define AP143_GPIO_LED_WAN              4
#define AP143_GPIO_LED_LAN1             16
#define AP143_GPIO_LED_LAN2             15
#define AP143_GPIO_LED_LAN3             14
#define AP143_GPIO_LED_LAN4             11

#define AP143_GPIO_BTN_WPS              17

#define AP143_KEYS_POLL_INTERVAL        20      /* msecs */
#define AP143_KEYS_DEBOUNCE_INTERVAL    (3 * AP143_KEYS_POLL_INTERVAL)

#define AP143_MAC0_OFFSET               0
#define AP143_MAC1_OFFSET               6
#define AP143_WMAC_CALDATA_OFFSET       0x1000

static struct gpio_led ap143_leds_gpio[] __initdata = {
        {
                .name           = "ap143:green:status",
                .gpio           = AP143_GPIO_LED_STATUS,
                .active_low     = 1,
        },
        {
                .name           = "ap143:green:wlan",
                .gpio           = AP143_GPIO_LED_WLAN,
                .active_low     = 1,
        }
};

static struct gpio_keys_button ap143_gpio_keys[] __initdata = {
        {
                .desc           = "WPS button",
                .type           = EV_KEY,
                .code           = KEY_WPS_BUTTON,
                .debounce_interval = AP143_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = AP143_GPIO_BTN_WPS,
                .active_low     = 1,
        },
};

static void __init ap143_gpio_led_setup(void)
{
        ath79_gpio_direction_select(AP143_GPIO_LED_WAN, true);
        ath79_gpio_direction_select(AP143_GPIO_LED_LAN1, true);
        ath79_gpio_direction_select(AP143_GPIO_LED_LAN2, true);
        ath79_gpio_direction_select(AP143_GPIO_LED_LAN3, true);
        ath79_gpio_direction_select(AP143_GPIO_LED_LAN4, true);

        ath79_gpio_output_select(AP143_GPIO_LED_WAN,
                        QCA953X_GPIO_OUT_MUX_LED_LINK5);
        ath79_gpio_output_select(AP143_GPIO_LED_LAN1,
                        QCA953X_GPIO_OUT_MUX_LED_LINK1);
        ath79_gpio_output_select(AP143_GPIO_LED_LAN2,
                        QCA953X_GPIO_OUT_MUX_LED_LINK2);
        ath79_gpio_output_select(AP143_GPIO_LED_LAN3,
                        QCA953X_GPIO_OUT_MUX_LED_LINK3);
        ath79_gpio_output_select(AP143_GPIO_LED_LAN4,
                        QCA953X_GPIO_OUT_MUX_LED_LINK4);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(ap143_leds_gpio),
                        ap143_leds_gpio);
        ath79_register_gpio_keys_polled(-1, AP143_KEYS_POLL_INTERVAL,
                        ARRAY_SIZE(ap143_gpio_keys),
                        ap143_gpio_keys);
}

static void __init ap143_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);

        ath79_register_m25p80(NULL);

        ap143_gpio_led_setup();

        ath79_register_usb();

        ath79_wmac_set_led_pin(AP143_GPIO_LED_WLAN);
        ath79_register_wmac(art + AP143_WMAC_CALDATA_OFFSET, NULL);

        ath79_register_mdio(0, 0x0);
        ath79_register_mdio(1, 0x0);

        ath79_init_mac(ath79_eth0_data.mac_addr, art + AP143_MAC0_OFFSET, 0);
        ath79_init_mac(ath79_eth1_data.mac_addr, art + AP143_MAC1_OFFSET, 0);

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

        /* LAN ports */
        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
        ath79_eth1_data.speed = SPEED_1000;
        ath79_eth1_data.duplex = DUPLEX_FULL;
        ath79_switch_data.phy_poll_mask |= BIT(4);
        ath79_switch_data.phy4_mii_en = 1;
        ath79_register_eth(1);
}

MIPS_MACHINE(ATH79_MACH_AP143, "AP143", "Qualcomm Atheros AP143 reference board",
             ap143_setup);