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/*
 * DomyWifi DW33D support
 *
 * Copyright (c) 2012 Qualcomm Atheros
 * Copyright (c) 2012-2013 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/ar8216_platform.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/platform/ar934x_nfc.h>

#include <asm/mach-ath79/ar71xx_regs.h>

#include "common.h"
#include "pci.h"
#include "dev-ap9x-pci.h"
#include "dev-gpio-buttons.h"
#include "dev-eth.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-nfc.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define DW33D_GPIO_LED_MMC              4
#define DW33D_GPIO_LED_WLAN_2G          13
#define DW33D_GPIO_LED_STATUS           14
#define DW33D_GPIO_LED_USB              15
#define DW33D_GPIO_LED_INTERNET         22

#define DW33D_GPIO_BTN_RESET            17

#define DW33D_KEYS_POLL_INTERVAL        20      /* msecs */
#define DW33D_KEYS_DEBOUNCE_INTERVAL    (3 * DW33D_KEYS_POLL_INTERVAL)

#define DW33D_MAC0_OFFSET               0
#define DW33D_MAC1_OFFSET               6
#define DW33D_WMAC_OFFSET               12
#define DW33D_WMAC_CALDATA_OFFSET       0x1000
#define DW33D_PCIE_CALDATA_OFFSET       0x5000

static struct gpio_led dw33d_leds_gpio[] __initdata = {
        {
                .name           = "dw33d:blue:status",
                .gpio           = DW33D_GPIO_LED_STATUS,
                .active_low     = 1,
        },
        {
                .name           = "dw33d:blue:mmc",
                .gpio           = DW33D_GPIO_LED_MMC,
                .active_low     = 1,
        },
        {
                .name           = "dw33d:blue:usb",
                .gpio           = DW33D_GPIO_LED_USB,
                .active_low     = 1,
        },
        {
                .name           = "dw33d:blue:wlan-2g",
                .gpio           = DW33D_GPIO_LED_WLAN_2G,
                .active_low     = 1,
        },
        {
                .name           = "dw33d:blue:internet",
                .gpio           = DW33D_GPIO_LED_INTERNET,
                .active_low     = 1,
        }
};

static struct gpio_keys_button dw33d_gpio_keys[] __initdata = {
        {
                .desc           = "Reset button",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = DW33D_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = DW33D_GPIO_BTN_RESET,
                .active_low     = 1,
        }
};

/* GMAC6 of the QCA8337 switch is connected to the QCA9558 SoC via SGMII */
static struct ar8327_pad_cfg dw33d_qca8337_pad6_cfg = {
        .mode = AR8327_PAD_MAC_SGMII,
        .sgmii_delay_en = true,
};

/* GMAC0 of the QCA8337 switch is connected to the QCA9558 SoC via RGMII */
static struct ar8327_pad_cfg dw33d_qca8337_pad0_cfg = {
        .mode = AR8327_PAD_MAC_RGMII,
        .txclk_delay_en = true,
        .rxclk_delay_en = true,
        .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
        .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
};

static struct ar8327_platform_data dw33d_qca8337_data = {
        .pad0_cfg = &dw33d_qca8337_pad0_cfg,
        .pad6_cfg = &dw33d_qca8337_pad6_cfg,
        .port0_cfg = {
                .force_link = 1,
                .speed = AR8327_PORT_SPEED_1000,
                .duplex = 1,
                .txpause = 1,
                .rxpause = 1,
        },
        .port6_cfg = {
                .force_link = 1,
                .speed = AR8327_PORT_SPEED_1000,
                .duplex = 1,
                .txpause = 1,
                .rxpause = 1,
        },
};

static struct mdio_board_info dw33d_mdio0_info[] = {
        {
                .bus_id = "ag71xx-mdio.0",
                .phy_addr = 0,
                .platform_data = &dw33d_qca8337_data,
        },
};

static void __init dw33d_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);

        ath79_register_m25p80(NULL);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(dw33d_leds_gpio),
                                 dw33d_leds_gpio);
        ath79_register_gpio_keys_polled(-1, DW33D_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(dw33d_gpio_keys),
                                        dw33d_gpio_keys);

        ath79_register_usb();
        ath79_nfc_set_ecc_mode(AR934X_NFC_ECC_HW);
        ath79_register_nfc();
        ath79_register_pci();

        ath79_register_wmac(art + DW33D_WMAC_CALDATA_OFFSET, art + DW33D_WMAC_OFFSET);

        ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN);

        ath79_register_mdio(0, 0x0);

        ath79_init_mac(ath79_eth0_data.mac_addr, art + DW33D_MAC0_OFFSET, 0);
        ath79_init_mac(ath79_eth1_data.mac_addr, art + DW33D_MAC1_OFFSET, 0);

        mdiobus_register_board_info(dw33d_mdio0_info,
                                    ARRAY_SIZE(dw33d_mdio0_info));

        /* GMAC0 is connected to the RMGII interface */
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
        ath79_eth0_data.phy_mask = BIT(0);
        ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
        ath79_eth0_pll_data.pll_1000 = 0x56000000;

        ath79_register_eth(0);

        /* GMAC1 is connected tot eh SGMII interface */
        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
        ath79_eth1_data.speed = SPEED_1000;
        ath79_eth1_data.duplex = DUPLEX_FULL;
        ath79_eth1_pll_data.pll_1000 = 0x03000101;

        ath79_register_eth(1);
}

MIPS_MACHINE(ATH79_MACH_DOMYWIFI_DW33D, "DW33D",
             "DomyWifi DW33D",
             dw33d_setup);