board-mackerel.c

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/*
 * mackerel board support
 *
 * Copyright (C) 2010 Renesas Solutions Corp.
 * Kuninori Morimoto <[email protected]>
 *
 * based on ap4evb
 * Copyright (C) 2010  Magnus Damm
 * Copyright (C) 2008  Yoshihiro Shimoda
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/sh_flctl.h>
#include <linux/pm_clock.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smsc911x.h>
#include <linux/sh_intc.h>
#include <linux/tca6416_keypad.h>
#include <linux/usb/renesas_usbhs.h>
#include <linux/dma-mapping.h>

#include <video/sh_mobile_hdmi.h>
#include <video/sh_mobile_lcdc.h>
#include <media/sh_mobile_ceu.h>
#include <media/soc_camera.h>
#include <media/soc_camera_platform.h>
#include <sound/sh_fsi.h>
#include <sound/simple_card.h>

#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/sh7372.h>

#include <asm/mach/arch.h>
#include <asm/mach-types.h>

#include "sh-gpio.h"

/*
 * Address  Interface       BusWidth    note
 * ------------------------------------------------------------------
 * 0x0000_0000  NOR Flash ROM (MCP) 16bit       SW7 : bit1 = ON
 * 0x0800_0000  user area       -
 * 0x1000_0000  NOR Flash ROM (MCP) 16bit       SW7 : bit1 = OFF
 * 0x1400_0000  Ether (LAN9220)     16bit
 * 0x1600_0000  user area       -       cannot use with NAND
 * 0x1800_0000  user area       -
 * 0x1A00_0000  -
 * 0x4000_0000  LPDDR2-SDRAM (POP)  32bit
 */

/*
 * CPU mode
 *
 * SW4                                     | Boot Area| Master   | Remarks
 *  1  | 2   | 3   | 4   | 5   | 6   | 8   |          | Processor|
 * ----+-----+-----+-----+-----+-----+-----+----------+----------+--------------
 * ON  | ON  | OFF | ON  | ON  | OFF | OFF | External | System   | External ROM
 * ON  | ON  | ON  | ON  | ON  | OFF | OFF | External | System   | ROM Debug
 * ON  | ON  | X   | ON  | OFF | OFF | OFF | Built-in | System   | ROM Debug
 * X   | OFF | X   | X   | X   | X   | OFF | Built-in | System   | MaskROM
 * OFF | X   | X   | X   | X   | X   | OFF | Built-in | System   | MaskROM
 * X   | X   | X   | OFF | X   | X   | OFF | Built-in | System   | MaskROM
 * OFF | ON  | OFF | X   | X   | OFF | ON  | External | System   | Standalone
 * ON  | OFF | OFF | X   | X   | OFF | ON  | External | Realtime | Standalone
*/

/*
 * NOR Flash ROM
 *
 *  SW1  |     SW2    | SW7  | NOR Flash ROM
 *  bit1 | bit1  bit2 | bit1 | Memory allocation
 * ------+------------+------+------------------
 *  OFF  | ON     OFF | ON   |    Area 0
 *  OFF  | ON     OFF | OFF  |    Area 4
 */

/*
 * SMSC 9220
 *
 *  SW1     SMSC 9220
 * -----------------------
 *  ON      access disable
 *  OFF     access enable
 */

/*
 * NAND Flash ROM
 *
 *  SW1  |     SW2    | SW7  | NAND Flash ROM
 *  bit1 | bit1  bit2 | bit2 | Memory allocation
 * ------+------------+------+------------------
 *  OFF  | ON     OFF | ON   |    FCE 0
 *  OFF  | ON     OFF | OFF  |    FCE 1
 */

/*
 * External interrupt pin settings
 *
 * IRQX  | pin setting        | device             | level
 * ------+--------------------+--------------------+-------
 * IRQ0  | ICR1A.IRQ0SA=0010  | SDHI2 card detect  | Low
 * IRQ6  | ICR1A.IRQ6SA=0011  | Ether(LAN9220)     | High
 * IRQ7  | ICR1A.IRQ7SA=0010  | LCD Touch Panel    | Low
 * IRQ8  | ICR2A.IRQ8SA=0010  | MMC/SD card detect | Low
 * IRQ9  | ICR2A.IRQ9SA=0010  | KEY(TCA6408)       | Low
 * IRQ21 | ICR4A.IRQ21SA=0011 | Sensor(ADXL345)    | High
 * IRQ22 | ICR4A.IRQ22SA=0011 | Sensor(AK8975)     | High
 */

/*
 * USB
 *
 * USB0 : CN22 : Function
 * USB1 : CN31 : Function/Host *1
 *
 * J30 (for CN31) *1
 * ----------+---------------+-------------
 * 1-2 short | VBUS 5V       | Host
 * open      | external VBUS | Function
 *
 * CAUTION
 *
 * renesas_usbhs driver can use external interrupt mode
 * (which come from USB-PHY) or autonomy mode (it use own interrupt)
 * for detecting connection/disconnection when Function.
 * USB will be power OFF while it has been disconnecting
 * if external interrupt mode, and it is always power ON if autonomy mode,
 *
 * mackerel can not use external interrupt (IRQ7-PORT167) mode on "USB0",
 * because Touchscreen is using IRQ7-PORT40.
 * It is impossible to use IRQ7 demux on this board.
 */

/*
 * SDHI0 (CN12)
 *
 * SW56 : OFF
 *
 */

/* MMC /SDHI1 (CN7)
 *
 * I/O voltage : 1.8v
 *
 * Power voltage : 1.8v or 3.3v
 *  J22 : select power voltage *1
 *  1-2 pin : 1.8v
 *  2-3 pin : 3.3v
 *
 * *1
 * Please change J22 depends the card to be used.
 * MMC's OCR field set to support either voltage for the card inserted.
 *
 *  SW1 |   SW33
 *      | bit1 | bit2 | bit3 | bit4
 * -------------+------+------+------+-------
 * MMC0   OFF   |  OFF |   X  |  ON  |  X       (Use MMCIF)
 * SDHI1  OFF   |  ON  |   X  |  OFF |  X       (Use MFD_SH_MOBILE_SDHI)
 *
 */

/*
 * SDHI2 (CN23)
 *
 * microSD card sloct
 *
 */

/*
 * FSI - AK4642
 *
 * it needs amixer settings for playing
 *
 * amixer set "Headphone" on
 * amixer set "HPOUTL Mixer DACH" on
 * amixer set "HPOUTR Mixer DACH" on
 */

/* Fixed 3.3V and 1.8V regulators to be used by multiple devices */
static struct regulator_consumer_supply fixed1v8_power_consumers[] =
{
    /*
     * J22 on mackerel switches mmcif.0 and sdhi.1 between 1.8V and 3.3V
     * Since we cannot support both voltages, we support the default 1.8V
     */
    REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
    REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
    REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
    REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
};

static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
    REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
    REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
    REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"),
    REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.2"),
};

/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
    REGULATOR_SUPPLY("vddvario", "smsc911x"),
    REGULATOR_SUPPLY("vdd33a", "smsc911x"),
};

/* MTD */
static struct mtd_partition nor_flash_partitions[] = {
    {
        .name       = "loader",
        .offset     = 0x00000000,
        .size       = 512 * 1024,
        .mask_flags = MTD_WRITEABLE,
    },
    {
        .name       = "bootenv",
        .offset     = MTDPART_OFS_APPEND,
        .size       = 512 * 1024,
        .mask_flags = MTD_WRITEABLE,
    },
    {
        .name       = "kernel_ro",
        .offset     = MTDPART_OFS_APPEND,
        .size       = 8 * 1024 * 1024,
        .mask_flags = MTD_WRITEABLE,
    },
    {
        .name       = "kernel",
        .offset     = MTDPART_OFS_APPEND,
        .size       = 8 * 1024 * 1024,
    },
    {
        .name       = "data",
        .offset     = MTDPART_OFS_APPEND,
        .size       = MTDPART_SIZ_FULL,
    },
};

static struct physmap_flash_data nor_flash_data = {
    .width      = 2,
    .parts      = nor_flash_partitions,
    .nr_parts   = ARRAY_SIZE(nor_flash_partitions),
};

static struct resource nor_flash_resources[] = {
    [0] = {
        .start  = 0x20000000, /* CS0 shadow instead of regular CS0 */
        .end    = 0x28000000 - 1, /* needed by USB MASK ROM boot */
        .flags  = IORESOURCE_MEM,
    }
};

static struct platform_device nor_flash_device = {
    .name       = "physmap-flash",
    .dev        = {
        .platform_data  = &nor_flash_data,
    },
    .num_resources  = ARRAY_SIZE(nor_flash_resources),
    .resource   = nor_flash_resources,
};

/* SMSC */
static struct resource smc911x_resources[] = {
    {
        .start  = 0x14000000,
        .end    = 0x16000000 - 1,
        .flags  = IORESOURCE_MEM,
    }, {
        .start  = evt2irq(0x02c0) /* IRQ6A */,
        .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
    },
};

static struct smsc911x_platform_config smsc911x_info = {
    .flags      = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
    .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
    .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
};

static struct platform_device smc911x_device = {
    .name           = "smsc911x",
    .id             = -1,
    .num_resources  = ARRAY_SIZE(smc911x_resources),
    .resource       = smc911x_resources,
    .dev            = {
        .platform_data = &smsc911x_info,
    },
};

/* MERAM */
static struct sh_mobile_meram_info mackerel_meram_info = {
    .addr_mode  = SH_MOBILE_MERAM_MODE1,
};

static struct resource meram_resources[] = {
    [0] = {
        .name   = "regs",
        .start  = 0xe8000000,
        .end    = 0xe807ffff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .name   = "meram",
        .start  = 0xe8080000,
        .end    = 0xe81fffff,
        .flags  = IORESOURCE_MEM,
    },
};

static struct platform_device meram_device = {
    .name       = "sh_mobile_meram",
    .id     = 0,
    .num_resources  = ARRAY_SIZE(meram_resources),
    .resource   = meram_resources,
    .dev        = {
        .platform_data = &mackerel_meram_info,
    },
};

/* LCDC */
static struct fb_videomode mackerel_lcdc_modes[] = {
    {
        .name       = "WVGA Panel",
        .xres       = 800,
        .yres       = 480,
        .left_margin    = 220,
        .right_margin   = 110,
        .hsync_len  = 70,
        .upper_margin   = 20,
        .lower_margin   = 5,
        .vsync_len  = 5,
        .sync       = 0,
    },
};

static int mackerel_set_brightness(int brightness)
{
    gpio_set_value(GPIO_PORT31, brightness);

    return 0;
}

static int mackerel_get_brightness(void)
{
    return gpio_get_value(GPIO_PORT31);
}

static const struct sh_mobile_meram_cfg lcd_meram_cfg = {
    .icb[0] = {
        .meram_size     = 0x40,
    },
    .icb[1] = {
        .meram_size     = 0x40,
    },
};

static struct sh_mobile_lcdc_info lcdc_info = {
    .meram_dev = &mackerel_meram_info,
    .clock_source = LCDC_CLK_BUS,
    .ch[0] = {
        .chan = LCDC_CHAN_MAINLCD,
        .fourcc = V4L2_PIX_FMT_RGB565,
        .lcd_modes = mackerel_lcdc_modes,
        .num_modes = ARRAY_SIZE(mackerel_lcdc_modes),
        .interface_type     = RGB24,
        .clock_divider      = 3,
        .flags          = 0,
        .panel_cfg = {
            .width      = 152,
            .height     = 91,
        },
        .bl_info = {
            .name = "sh_mobile_lcdc_bl",
            .max_brightness = 1,
            .set_brightness = mackerel_set_brightness,
            .get_brightness = mackerel_get_brightness,
        },
        .meram_cfg = &lcd_meram_cfg,
    }
};

static struct resource lcdc_resources[] = {
    [0] = {
        .name   = "LCDC",
        .start  = 0xfe940000,
        .end    = 0xfe943fff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = intcs_evt2irq(0x580),
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device lcdc_device = {
    .name       = "sh_mobile_lcdc_fb",
    .num_resources  = ARRAY_SIZE(lcdc_resources),
    .resource   = lcdc_resources,
    .dev    = {
        .platform_data  = &lcdc_info,
        .coherent_dma_mask = ~0,
    },
};

/* HDMI */
static struct sh_mobile_hdmi_info hdmi_info = {
    .flags      = HDMI_SND_SRC_SPDIF,
};

static struct resource hdmi_resources[] = {
    [0] = {
        .name   = "HDMI",
        .start  = 0xe6be0000,
        .end    = 0xe6be00ff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
        .start  = evt2irq(0x17e0),
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device hdmi_device = {
    .name       = "sh-mobile-hdmi",
    .num_resources  = ARRAY_SIZE(hdmi_resources),
    .resource   = hdmi_resources,
    .id             = -1,
    .dev    = {
        .platform_data  = &hdmi_info,
    },
};

static const struct sh_mobile_meram_cfg hdmi_meram_cfg = {
    .icb[0] = {
        .meram_size     = 0x100,
    },
    .icb[1] = {
        .meram_size     = 0x100,
    },
};

static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
    .meram_dev = &mackerel_meram_info,
    .clock_source = LCDC_CLK_EXTERNAL,
    .ch[0] = {
        .chan = LCDC_CHAN_MAINLCD,
        .fourcc = V4L2_PIX_FMT_RGB565,
        .interface_type = RGB24,
        .clock_divider = 1,
        .flags = LCDC_FLAGS_DWPOL,
        .meram_cfg = &hdmi_meram_cfg,
        .tx_dev = &hdmi_device,
    }
};

static struct resource hdmi_lcdc_resources[] = {
    [0] = {
        .name   = "LCDC1",
        .start  = 0xfe944000,
        .end    = 0xfe947fff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = intcs_evt2irq(0x1780),
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device hdmi_lcdc_device = {
    .name       = "sh_mobile_lcdc_fb",
    .num_resources  = ARRAY_SIZE(hdmi_lcdc_resources),
    .resource   = hdmi_lcdc_resources,
    .id     = 1,
    .dev    = {
        .platform_data  = &hdmi_lcdc_info,
        .coherent_dma_mask = ~0,
    },
};

static struct asoc_simple_dai_init_info fsi2_hdmi_init_info = {
    .cpu_daifmt = SND_SOC_DAIFMT_CBM_CFM,
};

static struct asoc_simple_card_info fsi2_hdmi_info = {
    .name       = "HDMI",
    .card       = "FSI2B-HDMI",
    .cpu_dai    = "fsib-dai",
    .codec      = "sh-mobile-hdmi",
    .platform   = "sh_fsi2",
    .codec_dai  = "sh_mobile_hdmi-hifi",
    .init       = &fsi2_hdmi_init_info,
};

static struct platform_device fsi_hdmi_device = {
    .name   = "asoc-simple-card",
    .id = 1,
    .dev    = {
        .platform_data  = &fsi2_hdmi_info,
    },
};

static void __init hdmi_init_pm_clock(void)
{
    struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
    int ret;
    long rate;

    if (IS_ERR(hdmi_ick)) {
        ret = PTR_ERR(hdmi_ick);
        pr_err("Cannot get HDMI ICK: %d\n", ret);
        goto out;
    }

    ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
    if (ret < 0) {
        pr_err("Cannot set PLLC2 parent: %d, %d users\n",
               ret, sh7372_pllc2_clk.usecount);
        goto out;
    }

    pr_debug("PLLC2 initial frequency %lu\n",
         clk_get_rate(&sh7372_pllc2_clk));

    rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
    if (rate < 0) {
        pr_err("Cannot get suitable rate: %ld\n", rate);
        ret = rate;
        goto out;
    }

    ret = clk_set_rate(&sh7372_pllc2_clk, rate);
    if (ret < 0) {
        pr_err("Cannot set rate %ld: %d\n", rate, ret);
        goto out;
    }

    pr_debug("PLLC2 set frequency %lu\n", rate);

    ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
    if (ret < 0)
        pr_err("Cannot set HDMI parent: %d\n", ret);

out:
    if (!IS_ERR(hdmi_ick))
        clk_put(hdmi_ick);
}

/* USBHS0 is connected to CN22 which takes a USB Mini-B plug
 *
 * The sh7372 SoC has IRQ7 set aside for USBHS0 hotplug,
 * but on this particular board IRQ7 is already used by
 * the touch screen. This leaves us with software polling.
 */
#define USBHS0_POLL_INTERVAL (HZ * 5)

struct usbhs_private {
    void __iomem *usbphyaddr;
    void __iomem *usbcrcaddr;
    struct renesas_usbhs_platform_info info;
    struct delayed_work work;
    struct platform_device *pdev;
};

#define usbhs_get_priv(pdev)                \
    container_of(renesas_usbhs_get_info(pdev),  \
             struct usbhs_private, info)

#define usbhs_is_connected(priv)            \
    (!((1 << 7) & __raw_readw(priv->usbcrcaddr)))

static int usbhs_get_vbus(struct platform_device *pdev)
{
    return usbhs_is_connected(usbhs_get_priv(pdev));
}

static void usbhs_phy_reset(struct platform_device *pdev)
{
    struct usbhs_private *priv = usbhs_get_priv(pdev);

    /* init phy */
    __raw_writew(0x8a0a, priv->usbcrcaddr);
}

static int usbhs0_get_id(struct platform_device *pdev)
{
    return USBHS_GADGET;
}

static void usbhs0_work_function(struct work_struct *work)
{
    struct usbhs_private *priv = container_of(work, struct usbhs_private,
                          work.work);

    renesas_usbhs_call_notify_hotplug(priv->pdev);
    schedule_delayed_work(&priv->work, USBHS0_POLL_INTERVAL);
}

static int usbhs0_hardware_init(struct platform_device *pdev)
{
    struct usbhs_private *priv = usbhs_get_priv(pdev);

    priv->pdev = pdev;
    INIT_DELAYED_WORK(&priv->work, usbhs0_work_function);
    schedule_delayed_work(&priv->work, USBHS0_POLL_INTERVAL);
    return 0;
}

static void usbhs0_hardware_exit(struct platform_device *pdev)
{
    struct usbhs_private *priv = usbhs_get_priv(pdev);

    cancel_delayed_work_sync(&priv->work);
}

static struct usbhs_private usbhs0_private = {
    .usbcrcaddr = IOMEM(0xe605810c),        /* USBCR2 */
    .info = {
        .platform_callback = {
            .hardware_init  = usbhs0_hardware_init,
            .hardware_exit  = usbhs0_hardware_exit,
            .phy_reset  = usbhs_phy_reset,
            .get_id     = usbhs0_get_id,
            .get_vbus   = usbhs_get_vbus,
        },
        .driver_param = {
            .buswait_bwait  = 4,
            .d0_tx_id   = SHDMA_SLAVE_USB0_TX,
            .d1_rx_id   = SHDMA_SLAVE_USB0_RX,
        },
    },
};

static struct resource usbhs0_resources[] = {
    [0] = {
        .name   = "USBHS0",
        .start  = 0xe6890000,
        .end    = 0xe68900e6 - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = evt2irq(0x1ca0) /* USB0_USB0I0 */,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device usbhs0_device = {
    .name   = "renesas_usbhs",
    .id = 0,
    .dev = {
        .platform_data      = &usbhs0_private.info,
    },
    .num_resources  = ARRAY_SIZE(usbhs0_resources),
    .resource   = usbhs0_resources,
};

/* USBHS1 is connected to CN31 which takes a USB Mini-AB plug
 *
 * Use J30 to select between Host and Function. This setting
 * can however not be detected by software. Hotplug of USBHS1
 * is provided via IRQ8.
 *
 * Current USB1 works as "USB Host".
 *  - set J30 "short"
 *
 * If you want to use it as "USB gadget",
 *  - J30 "open"
 *  - modify usbhs1_get_id() USBHS_HOST -> USBHS_GADGET
 *  - add .get_vbus = usbhs_get_vbus in usbhs1_private
 *  - check usbhs0_device(pio)/usbhs1_device(irq) order in mackerel_devices.
 */
#define IRQ8 evt2irq(0x0300)
#define USB_PHY_MODE        (1 << 4)
#define USB_PHY_INT_EN      ((1 << 3) | (1 << 2))
#define USB_PHY_ON      (1 << 1)
#define USB_PHY_OFF     (1 << 0)
#define USB_PHY_INT_CLR     (USB_PHY_ON | USB_PHY_OFF)

static irqreturn_t usbhs1_interrupt(int irq, void *data)
{
    struct platform_device *pdev = data;
    struct usbhs_private *priv = usbhs_get_priv(pdev);

    dev_dbg(&pdev->dev, "%s\n", __func__);

    renesas_usbhs_call_notify_hotplug(pdev);

    /* clear status */
    __raw_writew(__raw_readw(priv->usbphyaddr) | USB_PHY_INT_CLR,
             priv->usbphyaddr);

    return IRQ_HANDLED;
}

static int usbhs1_hardware_init(struct platform_device *pdev)
{
    struct usbhs_private *priv = usbhs_get_priv(pdev);
    int ret;

    /* clear interrupt status */
    __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr);

    ret = request_irq(IRQ8, usbhs1_interrupt, IRQF_TRIGGER_HIGH,
              dev_name(&pdev->dev), pdev);
    if (ret) {
        dev_err(&pdev->dev, "request_irq err\n");
        return ret;
    }

    /* enable USB phy interrupt */
    __raw_writew(USB_PHY_MODE | USB_PHY_INT_EN, priv->usbphyaddr);

    return 0;
}

static void usbhs1_hardware_exit(struct platform_device *pdev)
{
    struct usbhs_private *priv = usbhs_get_priv(pdev);

    /* clear interrupt status */
    __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr);

    free_irq(IRQ8, pdev);
}

static int usbhs1_get_id(struct platform_device *pdev)
{
    return USBHS_HOST;
}

static u32 usbhs1_pipe_cfg[] = {
    USB_ENDPOINT_XFER_CONTROL,
    USB_ENDPOINT_XFER_ISOC,
    USB_ENDPOINT_XFER_ISOC,
    USB_ENDPOINT_XFER_BULK,
    USB_ENDPOINT_XFER_BULK,
    USB_ENDPOINT_XFER_BULK,
    USB_ENDPOINT_XFER_INT,
    USB_ENDPOINT_XFER_INT,
    USB_ENDPOINT_XFER_INT,
    USB_ENDPOINT_XFER_BULK,
    USB_ENDPOINT_XFER_BULK,
    USB_ENDPOINT_XFER_BULK,
    USB_ENDPOINT_XFER_BULK,
    USB_ENDPOINT_XFER_BULK,
    USB_ENDPOINT_XFER_BULK,
    USB_ENDPOINT_XFER_BULK,
};

static struct usbhs_private usbhs1_private = {
    .usbphyaddr = IOMEM(0xe60581e2),    /* USBPHY1INTAP */
    .usbcrcaddr = IOMEM(0xe6058130),    /* USBCR4 */
    .info = {
        .platform_callback = {
            .hardware_init  = usbhs1_hardware_init,
            .hardware_exit  = usbhs1_hardware_exit,
            .get_id     = usbhs1_get_id,
            .phy_reset  = usbhs_phy_reset,
        },
        .driver_param = {
            .buswait_bwait  = 4,
            .has_otg    = 1,
            .pipe_type  = usbhs1_pipe_cfg,
            .pipe_size  = ARRAY_SIZE(usbhs1_pipe_cfg),
            .d0_tx_id   = SHDMA_SLAVE_USB1_TX,
            .d1_rx_id   = SHDMA_SLAVE_USB1_RX,
        },
    },
};

static struct resource usbhs1_resources[] = {
    [0] = {
        .name   = "USBHS1",
        .start  = 0xe68b0000,
        .end    = 0xe68b00e6 - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = evt2irq(0x1ce0) /* USB1_USB1I0 */,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device usbhs1_device = {
    .name   = "renesas_usbhs",
    .id = 1,
    .dev = {
        .platform_data      = &usbhs1_private.info,
    },
    .num_resources  = ARRAY_SIZE(usbhs1_resources),
    .resource   = usbhs1_resources,
};

/* LED */
static struct gpio_led mackerel_leds[] = {
    {
        .name       = "led0",
        .gpio       = GPIO_PORT0,
        .default_state  = LEDS_GPIO_DEFSTATE_ON,
    },
    {
        .name       = "led1",
        .gpio       = GPIO_PORT1,
        .default_state  = LEDS_GPIO_DEFSTATE_ON,
    },
    {
        .name       = "led2",
        .gpio       = GPIO_PORT2,
        .default_state  = LEDS_GPIO_DEFSTATE_ON,
    },
    {
        .name       = "led3",
        .gpio       = GPIO_PORT159,
        .default_state  = LEDS_GPIO_DEFSTATE_ON,
    }
};

static struct gpio_led_platform_data mackerel_leds_pdata = {
    .leds = mackerel_leds,
    .num_leds = ARRAY_SIZE(mackerel_leds),
};

static struct platform_device leds_device = {
    .name = "leds-gpio",
    .id = 0,
    .dev = {
        .platform_data  = &mackerel_leds_pdata,
    },
};

/* FSI */
#define IRQ_FSI evt2irq(0x1840)
static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
{
    int ret;

    if (rate <= 0)
        return 0;

    if (!enable) {
        clk_disable(clk);
        return 0;
    }

    ret = clk_set_rate(clk, clk_round_rate(clk, rate));
    if (ret < 0)
        return ret;

    return clk_enable(clk);
}

static int fsi_b_set_rate(struct device *dev, int rate, int enable)
{
    struct clk *fsib_clk;
    struct clk *fdiv_clk = &sh7372_fsidivb_clk;
    long fsib_rate = 0;
    long fdiv_rate = 0;
    int ackmd_bpfmd;
    int ret;

    /* clock start */
    switch (rate) {
    case 44100:
        fsib_rate   = rate * 256;
        ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
        break;
    case 48000:
        fsib_rate   = 85428000; /* around 48kHz x 256 x 7 */
        fdiv_rate   = rate * 256;
        ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
        break;
    default:
        pr_err("unsupported rate in FSI2 port B\n");
        return -EINVAL;
    }

    /* FSI B setting */
    fsib_clk = clk_get(dev, "ickb");
    if (IS_ERR(fsib_clk))
        return -EIO;

    /* fsib */
    ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
    if (ret < 0)
        goto fsi_set_rate_end;

    /* FSI DIV */
    ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
    if (ret < 0) {
        /* disable FSI B */
        if (enable)
            __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
        goto fsi_set_rate_end;
    }

    ret = ackmd_bpfmd;

fsi_set_rate_end:
    clk_put(fsib_clk);
    return ret;
}

static struct sh_fsi_platform_info fsi_info = {
    .port_a = {
        .flags = SH_FSI_BRS_INV,
        .tx_id = SHDMA_SLAVE_FSIA_TX,
        .rx_id = SHDMA_SLAVE_FSIA_RX,
    },
    .port_b = {
        .flags = SH_FSI_BRS_INV |
            SH_FSI_BRM_INV  |
            SH_FSI_LRS_INV  |
            SH_FSI_FMT_SPDIF,
        .set_rate = fsi_b_set_rate,
    }
};

static struct resource fsi_resources[] = {
    [0] = {
        /* we need 0xFE1F0000 to access DMA
         * instead of 0xFE3C0000 */
        .name   = "FSI",
        .start  = 0xFE1F0000,
        .end    = 0xFE1F0400 - 1,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = IRQ_FSI,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device fsi_device = {
    .name       = "sh_fsi2",
    .id     = -1,
    .num_resources  = ARRAY_SIZE(fsi_resources),
    .resource   = fsi_resources,
    .dev    = {
        .platform_data  = &fsi_info,
    },
};

static struct asoc_simple_dai_init_info fsi2_ak4643_init_info = {
    .fmt        = SND_SOC_DAIFMT_LEFT_J,
    .codec_daifmt   = SND_SOC_DAIFMT_CBM_CFM,
    .cpu_daifmt = SND_SOC_DAIFMT_CBS_CFS,
    .sysclk     = 11289600,
};

static struct asoc_simple_card_info fsi2_ak4643_info = {
    .name       = "AK4643",
    .card       = "FSI2A-AK4643",
    .cpu_dai    = "fsia-dai",
    .codec      = "ak4642-codec.0-0013",
    .platform   = "sh_fsi2",
    .codec_dai  = "ak4642-hifi",
    .init       = &fsi2_ak4643_init_info,
};

static struct platform_device fsi_ak4643_device = {
    .name   = "asoc-simple-card",
    .dev    = {
        .platform_data  = &fsi2_ak4643_info,
    },
};

/* FLCTL */
static struct mtd_partition nand_partition_info[] = {
    {
        .name   = "system",
        .offset = 0,
        .size   = 128 * 1024 * 1024,
    },
    {
        .name   = "userdata",
        .offset = MTDPART_OFS_APPEND,
        .size   = 256 * 1024 * 1024,
    },
    {
        .name   = "cache",
        .offset = MTDPART_OFS_APPEND,
        .size   = 128 * 1024 * 1024,
    },
};

static struct resource nand_flash_resources[] = {
    [0] = {
        .start  = 0xe6a30000,
        .end    = 0xe6a3009b,
        .flags  = IORESOURCE_MEM,
    }
};

static struct sh_flctl_platform_data nand_flash_data = {
    .parts      = nand_partition_info,
    .nr_parts   = ARRAY_SIZE(nand_partition_info),
    .flcmncr_val    = CLK_16B_12L_4H | TYPESEL_SET
            | SHBUSSEL | SEL_16BIT | SNAND_E,
    .use_holden = 1,
};

static struct platform_device nand_flash_device = {
    .name       = "sh_flctl",
    .resource   = nand_flash_resources,
    .num_resources  = ARRAY_SIZE(nand_flash_resources),
    .dev        = {
        .platform_data = &nand_flash_data,
    },
};

/*
 * The card detect pin of the top SD/MMC slot (CN7) is active low and is
 * connected to GPIO A22 of SH7372 (GPIO_PORT41).
 */
static int slot_cn7_get_cd(struct platform_device *pdev)
{
    return !gpio_get_value(GPIO_PORT41);
}

/* SDHI0 */
static struct sh_mobile_sdhi_info sdhi0_info = {
    .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
    .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
    .tmio_flags = TMIO_MMC_USE_GPIO_CD,
    .tmio_caps  = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
    .cd_gpio    = GPIO_PORT172,
};

static struct resource sdhi0_resources[] = {
    [0] = {
        .name   = "SDHI0",
        .start  = 0xe6850000,
        .end    = 0xe68500ff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        .start  = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
        .flags  = IORESOURCE_IRQ,
    },
    [3] = {
        .start  = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device sdhi0_device = {
    .name       = "sh_mobile_sdhi",
    .num_resources  = ARRAY_SIZE(sdhi0_resources),
    .resource   = sdhi0_resources,
    .id     = 0,
    .dev    = {
        .platform_data  = &sdhi0_info,
    },
};

#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
/* SDHI1 */
static struct sh_mobile_sdhi_info sdhi1_info = {
    .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
    .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
    .tmio_ocr_mask  = MMC_VDD_165_195,
    .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
    .tmio_caps  = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
              MMC_CAP_NEEDS_POLL,
    .get_cd     = slot_cn7_get_cd,
};

static struct resource sdhi1_resources[] = {
    [0] = {
        .name   = "SDHI1",
        .start  = 0xe6860000,
        .end    = 0xe68600ff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .name   = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
        .start  = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
        .start  = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
        .flags  = IORESOURCE_IRQ,
    },
    [3] = {
        .name   = SH_MOBILE_SDHI_IRQ_SDIO,
        .start  = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device sdhi1_device = {
    .name       = "sh_mobile_sdhi",
    .num_resources  = ARRAY_SIZE(sdhi1_resources),
    .resource   = sdhi1_resources,
    .id     = 1,
    .dev    = {
        .platform_data  = &sdhi1_info,
    },
};
#endif

/*
 * The card detect pin of the top SD/MMC slot (CN23) is active low and is
 * connected to GPIO SCIFB_SCK of SH7372 (GPIO_PORT162).
 */
static int slot_cn23_get_cd(struct platform_device *pdev)
{
    return !gpio_get_value(GPIO_PORT162);
}

/* SDHI2 */
static struct sh_mobile_sdhi_info sdhi2_info = {
    .dma_slave_tx   = SHDMA_SLAVE_SDHI2_TX,
    .dma_slave_rx   = SHDMA_SLAVE_SDHI2_RX,
    .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
    .tmio_caps  = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
              MMC_CAP_NEEDS_POLL,
    .get_cd     = slot_cn23_get_cd,
};

static struct resource sdhi2_resources[] = {
    [0] = {
        .name   = "SDHI2",
        .start  = 0xe6870000,
        .end    = 0xe68700ff,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .name   = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
        .start  = evt2irq(0x1200), /* SDHI2_SDHI2I0 */
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
        .start  = evt2irq(0x1220), /* SDHI2_SDHI2I1 */
        .flags  = IORESOURCE_IRQ,
    },
    [3] = {
        .name   = SH_MOBILE_SDHI_IRQ_SDIO,
        .start  = evt2irq(0x1240), /* SDHI2_SDHI2I2 */
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device sdhi2_device = {
    .name   = "sh_mobile_sdhi",
    .num_resources  = ARRAY_SIZE(sdhi2_resources),
    .resource   = sdhi2_resources,
    .id     = 2,
    .dev    = {
        .platform_data  = &sdhi2_info,
    },
};

/* SH_MMCIF */
static struct resource sh_mmcif_resources[] = {
    [0] = {
        .name   = "MMCIF",
        .start  = 0xE6BD0000,
        .end    = 0xE6BD00FF,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        /* MMC ERR */
        .start  = evt2irq(0x1ac0),
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        /* MMC NOR */
        .start  = evt2irq(0x1ae0),
        .flags  = IORESOURCE_IRQ,
    },
};

static struct sh_mmcif_plat_data sh_mmcif_plat = {
    .sup_pclk   = 0,
    .ocr        = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
    .caps       = MMC_CAP_4_BIT_DATA |
              MMC_CAP_8_BIT_DATA |
              MMC_CAP_NEEDS_POLL,
    .get_cd     = slot_cn7_get_cd,
    .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
    .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
};

static struct platform_device sh_mmcif_device = {
    .name       = "sh_mmcif",
    .id     = 0,
    .dev        = {
        .dma_mask       = NULL,
        .coherent_dma_mask  = 0xffffffff,
        .platform_data      = &sh_mmcif_plat,
    },
    .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
    .resource   = sh_mmcif_resources,
};


static int mackerel_camera_add(struct soc_camera_device *icd);
static void mackerel_camera_del(struct soc_camera_device *icd);

static int camera_set_capture(struct soc_camera_platform_info *info,
                  int enable)
{
    return 0; /* camera sensor always enabled */
}

static struct soc_camera_platform_info camera_info = {
    .format_name = "UYVY",
    .format_depth = 16,
    .format = {
        .code = V4L2_MBUS_FMT_UYVY8_2X8,
        .colorspace = V4L2_COLORSPACE_SMPTE170M,
        .field = V4L2_FIELD_NONE,
        .width = 640,
        .height = 480,
    },
    .mbus_param = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
    V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
    V4L2_MBUS_DATA_ACTIVE_HIGH,
    .mbus_type = V4L2_MBUS_PARALLEL,
    .set_capture = camera_set_capture,
};

static struct soc_camera_link camera_link = {
    .bus_id     = 0,
    .add_device = mackerel_camera_add,
    .del_device = mackerel_camera_del,
    .module_name    = "soc_camera_platform",
    .priv       = &camera_info,
};

static struct platform_device *camera_device;

static void mackerel_camera_release(struct device *dev)
{
    soc_camera_platform_release(&camera_device);
}

static int mackerel_camera_add(struct soc_camera_device *icd)
{
    return soc_camera_platform_add(icd, &camera_device, &camera_link,
                       mackerel_camera_release, 0);
}

static void mackerel_camera_del(struct soc_camera_device *icd)
{
    soc_camera_platform_del(icd, camera_device, &camera_link);
}

static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
    .flags = SH_CEU_FLAG_USE_8BIT_BUS,
    .max_width = 8188,
    .max_height = 8188,
};

static struct resource ceu_resources[] = {
    [0] = {
        .name   = "CEU",
        .start  = 0xfe910000,
        .end    = 0xfe91009f,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = intcs_evt2irq(0x880),
        .flags  = IORESOURCE_IRQ,
    },
    [2] = {
        /* place holder for contiguous memory */
    },
};

static struct platform_device ceu_device = {
    .name       = "sh_mobile_ceu",
    .id             = 0, /* "ceu0" clock */
    .num_resources  = ARRAY_SIZE(ceu_resources),
    .resource   = ceu_resources,
    .dev        = {
        .platform_data      = &sh_mobile_ceu_info,
        .coherent_dma_mask  = 0xffffffff,
    },
};

static struct platform_device mackerel_camera = {
    .name   = "soc-camera-pdrv",
    .id = 0,
    .dev    = {
        .platform_data = &camera_link,
    },
};

static struct platform_device *mackerel_devices[] __initdata = {
    &nor_flash_device,
    &smc911x_device,
    &lcdc_device,
    &usbhs0_device,
    &usbhs1_device,
    &leds_device,
    &fsi_device,
    &fsi_ak4643_device,
    &fsi_hdmi_device,
    &nand_flash_device,
    &sdhi0_device,
#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
    &sdhi1_device,
#endif
    &sdhi2_device,
    &sh_mmcif_device,
    &ceu_device,
    &mackerel_camera,
    &hdmi_device,
    &hdmi_lcdc_device,
    &meram_device,
};

/* Keypad Initialization */
#define KEYPAD_BUTTON(ev_type, ev_code, act_low) \
{                               \
    .type       = ev_type,              \
    .code       = ev_code,              \
    .active_low = act_low,              \
}

#define KEYPAD_BUTTON_LOW(event_code) KEYPAD_BUTTON(EV_KEY, event_code, 1)

static struct tca6416_button mackerel_gpio_keys[] = {
    KEYPAD_BUTTON_LOW(KEY_HOME),
    KEYPAD_BUTTON_LOW(KEY_MENU),
    KEYPAD_BUTTON_LOW(KEY_BACK),
    KEYPAD_BUTTON_LOW(KEY_POWER),
};

static struct tca6416_keys_platform_data mackerel_tca6416_keys_info = {
    .buttons    = mackerel_gpio_keys,
    .nbuttons   = ARRAY_SIZE(mackerel_gpio_keys),
    .rep        = 1,
    .use_polling    = 0,
    .pinmask    = 0x000F,
};

/* I2C */
#define IRQ7 evt2irq(0x02e0)
#define IRQ9 evt2irq(0x0320)

static struct i2c_board_info i2c0_devices[] = {
    {
        I2C_BOARD_INFO("ak4643", 0x13),
    },
    /* Keypad */
    {
        I2C_BOARD_INFO("tca6408-keys", 0x20),
        .platform_data = &mackerel_tca6416_keys_info,
        .irq = IRQ9,
    },
    /* Touchscreen */
    {
        I2C_BOARD_INFO("st1232-ts", 0x55),
        .irq = IRQ7,
    },
};

#define IRQ21 evt2irq(0x32a0)

static struct i2c_board_info i2c1_devices[] = {
    /* Accelerometer */
    {
        I2C_BOARD_INFO("adxl34x", 0x53),
        .irq = IRQ21,
    },
};

#define GPIO_PORT9CR    IOMEM(0xE6051009)
#define GPIO_PORT10CR   IOMEM(0xE605100A)
#define GPIO_PORT167CR  IOMEM(0xE60520A7)
#define GPIO_PORT168CR  IOMEM(0xE60520A8)
#define SRCR4       IOMEM(0xe61580bc)
#define USCCR1      IOMEM(0xE6058144)
static void __init mackerel_init(void)
{
    struct pm_domain_device domain_devices[] = {
        { "A4LC", &lcdc_device, },
        { "A4LC", &hdmi_lcdc_device, },
        { "A4LC", &meram_device, },
        { "A4MP", &fsi_device, },
        { "A3SP", &usbhs0_device, },
        { "A3SP", &usbhs1_device, },
        { "A3SP", &nand_flash_device, },
        { "A3SP", &sh_mmcif_device, },
        { "A3SP", &sdhi0_device, },
#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
        { "A3SP", &sdhi1_device, },
#endif
        { "A3SP", &sdhi2_device, },
        { "A4R", &ceu_device, },
    };
    u32 srcr4;
    struct clk *clk;

    regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
                     ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
    regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
    regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));

    /* External clock source */
    clk_set_rate(&sh7372_dv_clki_clk, 27000000);

    sh7372_pinmux_init();

    /* enable SCIFA0 */
    gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
    gpio_request(GPIO_FN_SCIFA0_RXD, NULL);

    /* enable SMSC911X */
    gpio_request(GPIO_FN_CS5A,  NULL);
    gpio_request(GPIO_FN_IRQ6_39,   NULL);

    /* LCDC */
    gpio_request(GPIO_FN_LCDD23,   NULL);
    gpio_request(GPIO_FN_LCDD22,   NULL);
    gpio_request(GPIO_FN_LCDD21,   NULL);
    gpio_request(GPIO_FN_LCDD20,   NULL);
    gpio_request(GPIO_FN_LCDD19,   NULL);
    gpio_request(GPIO_FN_LCDD18,   NULL);
    gpio_request(GPIO_FN_LCDD17,   NULL);
    gpio_request(GPIO_FN_LCDD16,   NULL);
    gpio_request(GPIO_FN_LCDD15,   NULL);
    gpio_request(GPIO_FN_LCDD14,   NULL);
    gpio_request(GPIO_FN_LCDD13,   NULL);
    gpio_request(GPIO_FN_LCDD12,   NULL);
    gpio_request(GPIO_FN_LCDD11,   NULL);
    gpio_request(GPIO_FN_LCDD10,   NULL);
    gpio_request(GPIO_FN_LCDD9,    NULL);
    gpio_request(GPIO_FN_LCDD8,    NULL);
    gpio_request(GPIO_FN_LCDD7,    NULL);
    gpio_request(GPIO_FN_LCDD6,    NULL);
    gpio_request(GPIO_FN_LCDD5,    NULL);
    gpio_request(GPIO_FN_LCDD4,    NULL);
    gpio_request(GPIO_FN_LCDD3,    NULL);
    gpio_request(GPIO_FN_LCDD2,    NULL);
    gpio_request(GPIO_FN_LCDD1,    NULL);
    gpio_request(GPIO_FN_LCDD0,    NULL);
    gpio_request(GPIO_FN_LCDDISP,  NULL);
    gpio_request(GPIO_FN_LCDDCK,   NULL);

    gpio_request(GPIO_PORT31, NULL); /* backlight */
    gpio_direction_output(GPIO_PORT31, 0); /* off by default */

    gpio_request(GPIO_PORT151, NULL); /* LCDDON */
    gpio_direction_output(GPIO_PORT151, 1);

    /* USBHS0 */
    gpio_request(GPIO_FN_VBUS0_0, NULL);
    gpio_request_pulldown(GPIO_PORT168CR); /* VBUS0_0 pull down */

    /* USBHS1 */
    gpio_request(GPIO_FN_VBUS0_1, NULL);
    gpio_request_pulldown(GPIO_PORT167CR); /* VBUS0_1 pull down */
    gpio_request(GPIO_FN_IDIN_1_113, NULL);

    /* enable FSI2 port A (ak4643) */
    gpio_request(GPIO_FN_FSIAIBT,   NULL);
    gpio_request(GPIO_FN_FSIAILR,   NULL);
    gpio_request(GPIO_FN_FSIAISLD,  NULL);
    gpio_request(GPIO_FN_FSIAOSLD,  NULL);
    gpio_request(GPIO_PORT161,  NULL);
    gpio_direction_output(GPIO_PORT161, 0); /* slave */

    gpio_request(GPIO_PORT9,  NULL);
    gpio_request(GPIO_PORT10, NULL);
    gpio_direction_none(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
    gpio_direction_none(GPIO_PORT10CR); /* FSIAOLR needs no direction */

    intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */

    /* setup FSI2 port B (HDMI) */
    gpio_request(GPIO_FN_FSIBCK, NULL);
    __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */

    /* set SPU2 clock to 119.6 MHz */
    clk = clk_get(NULL, "spu_clk");
    if (!IS_ERR(clk)) {
        clk_set_rate(clk, clk_round_rate(clk, 119600000));
        clk_put(clk);
    }

    /* enable Keypad */
    gpio_request(GPIO_FN_IRQ9_42,   NULL);
    irq_set_irq_type(IRQ9, IRQ_TYPE_LEVEL_HIGH);

    /* enable Touchscreen */
    gpio_request(GPIO_FN_IRQ7_40,   NULL);
    irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);

    /* enable Accelerometer */
    gpio_request(GPIO_FN_IRQ21, NULL);
    irq_set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH);

    /* enable SDHI0 */
    gpio_request(GPIO_FN_SDHIWP0, NULL);
    gpio_request(GPIO_FN_SDHICMD0, NULL);
    gpio_request(GPIO_FN_SDHICLK0, NULL);
    gpio_request(GPIO_FN_SDHID0_3, NULL);
    gpio_request(GPIO_FN_SDHID0_2, NULL);
    gpio_request(GPIO_FN_SDHID0_1, NULL);
    gpio_request(GPIO_FN_SDHID0_0, NULL);

    /* SDHI0 PORT172 card-detect IRQ26 */
    gpio_request(GPIO_FN_IRQ26_172, NULL);

#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
    /* enable SDHI1 */
    gpio_request(GPIO_FN_SDHICMD1, NULL);
    gpio_request(GPIO_FN_SDHICLK1, NULL);
    gpio_request(GPIO_FN_SDHID1_3, NULL);
    gpio_request(GPIO_FN_SDHID1_2, NULL);
    gpio_request(GPIO_FN_SDHID1_1, NULL);
    gpio_request(GPIO_FN_SDHID1_0, NULL);
#endif
    /* card detect pin for MMC slot (CN7) */
    gpio_request(GPIO_PORT41, NULL);
    gpio_direction_input(GPIO_PORT41);

    /* enable SDHI2 */
    gpio_request(GPIO_FN_SDHICMD2, NULL);
    gpio_request(GPIO_FN_SDHICLK2, NULL);
    gpio_request(GPIO_FN_SDHID2_3, NULL);
    gpio_request(GPIO_FN_SDHID2_2, NULL);
    gpio_request(GPIO_FN_SDHID2_1, NULL);
    gpio_request(GPIO_FN_SDHID2_0, NULL);

    /* card detect pin for microSD slot (CN23) */
    gpio_request(GPIO_PORT162, NULL);
    gpio_direction_input(GPIO_PORT162);

    /* MMCIF */
    gpio_request(GPIO_FN_MMCD0_0, NULL);
    gpio_request(GPIO_FN_MMCD0_1, NULL);
    gpio_request(GPIO_FN_MMCD0_2, NULL);
    gpio_request(GPIO_FN_MMCD0_3, NULL);
    gpio_request(GPIO_FN_MMCD0_4, NULL);
    gpio_request(GPIO_FN_MMCD0_5, NULL);
    gpio_request(GPIO_FN_MMCD0_6, NULL);
    gpio_request(GPIO_FN_MMCD0_7, NULL);
    gpio_request(GPIO_FN_MMCCMD0, NULL);
    gpio_request(GPIO_FN_MMCCLK0, NULL);

    /* FLCTL */
    gpio_request(GPIO_FN_D0_NAF0, NULL);
    gpio_request(GPIO_FN_D1_NAF1, NULL);
    gpio_request(GPIO_FN_D2_NAF2, NULL);
    gpio_request(GPIO_FN_D3_NAF3, NULL);
    gpio_request(GPIO_FN_D4_NAF4, NULL);
    gpio_request(GPIO_FN_D5_NAF5, NULL);
    gpio_request(GPIO_FN_D6_NAF6, NULL);
    gpio_request(GPIO_FN_D7_NAF7, NULL);
    gpio_request(GPIO_FN_D8_NAF8, NULL);
    gpio_request(GPIO_FN_D9_NAF9, NULL);
    gpio_request(GPIO_FN_D10_NAF10, NULL);
    gpio_request(GPIO_FN_D11_NAF11, NULL);
    gpio_request(GPIO_FN_D12_NAF12, NULL);
    gpio_request(GPIO_FN_D13_NAF13, NULL);
    gpio_request(GPIO_FN_D14_NAF14, NULL);
    gpio_request(GPIO_FN_D15_NAF15, NULL);
    gpio_request(GPIO_FN_FCE0, NULL);
    gpio_request(GPIO_FN_WE0_FWE, NULL);
    gpio_request(GPIO_FN_FRB, NULL);
    gpio_request(GPIO_FN_A4_FOE, NULL);
    gpio_request(GPIO_FN_A5_FCDE, NULL);
    gpio_request(GPIO_FN_RD_FSC, NULL);

    /* enable GPS module (GT-720F) */
    gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
    gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);

    /* CEU */
    gpio_request(GPIO_FN_VIO_CLK, NULL);
    gpio_request(GPIO_FN_VIO_VD, NULL);
    gpio_request(GPIO_FN_VIO_HD, NULL);
    gpio_request(GPIO_FN_VIO_FIELD, NULL);
    gpio_request(GPIO_FN_VIO_CKO, NULL);
    gpio_request(GPIO_FN_VIO_D7, NULL);
    gpio_request(GPIO_FN_VIO_D6, NULL);
    gpio_request(GPIO_FN_VIO_D5, NULL);
    gpio_request(GPIO_FN_VIO_D4, NULL);
    gpio_request(GPIO_FN_VIO_D3, NULL);
    gpio_request(GPIO_FN_VIO_D2, NULL);
    gpio_request(GPIO_FN_VIO_D1, NULL);
    gpio_request(GPIO_FN_VIO_D0, NULL);

    /* HDMI */
    gpio_request(GPIO_FN_HDMI_HPD, NULL);
    gpio_request(GPIO_FN_HDMI_CEC, NULL);

    /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
    srcr4 = __raw_readl(SRCR4);
    __raw_writel(srcr4 | (1 << 13), SRCR4);
    udelay(50);
    __raw_writel(srcr4 & ~(1 << 13), SRCR4);

    i2c_register_board_info(0, i2c0_devices,
                ARRAY_SIZE(i2c0_devices));
    i2c_register_board_info(1, i2c1_devices,
                ARRAY_SIZE(i2c1_devices));

    sh7372_add_standard_devices();

    platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices));

    rmobile_add_devices_to_domains(domain_devices,
                       ARRAY_SIZE(domain_devices));

    hdmi_init_pm_clock();
    sh7372_pm_init();
    pm_clk_add(&fsi_device.dev, "spu2");
    pm_clk_add(&hdmi_lcdc_device.dev, "hdmi");
}

MACHINE_START(MACKEREL, "mackerel")
    .map_io     = sh7372_map_io,
    .init_early = sh7372_add_early_devices,
    .init_irq   = sh7372_init_irq,
    .handle_irq = shmobile_handle_irq_intc,
    .init_machine   = mackerel_init,
    .init_late  = sh7372_pm_init_late,
    .timer      = &shmobile_timer,
MACHINE_END