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board-mackerel.c

/*
 * mackerel board support
 *
 * Copyright (C) 2010 Renesas Solutions Corp.
 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 *
 * 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/sh_mobile_sdhi.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/smsc911x.h>
#include <linux/sh_intc.h>
#include <linux/tca6416_keypad.h>
#include <linux/usb/r8a66597.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 <mach/common.h>
#include <mach/sh7372.h>

#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <asm/mach-types.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 Tuch 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
 *
 * *1
 * CN31 is used as Host in Linux.
 */

/*
 * 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 |  ON  |  ON  |  X
 * MMC1       ON  |  OFF |  ON  |  X   | ON
 * SDHI1  OFF     |  ON  |   X  |  OFF | ON
 *
 */

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

/*
 * FIXME !!
 *
 * gpio_no_direction
 * are quick_hack.
 *
 * current gpio frame work doesn't have
 * the method to control only pull up/down/free.
 * this function should be replaced by correct gpio function
 */
static void __init gpio_no_direction(u32 addr)
{
      __raw_writeb(0x00, addr);
}

/* 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      = 0x00000000,
            .end  = 0x08000000 - 1,
            .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,
      },
};

/* 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 struct sh_mobile_lcdc_info lcdc_info = {
      .clock_source = LCDC_CLK_BUS,
      .ch[0] = {
            .chan = LCDC_CHAN_MAINLCD,
            .bpp = 16,
            .lcd_cfg = mackerel_lcdc_modes,
            .num_cfg = ARRAY_SIZE(mackerel_lcdc_modes),
            .interface_type         = RGB24,
            .clock_divider          = 2,
            .flags                  = 0,
            .lcd_size_cfg.width     = 152,
            .lcd_size_cfg.height    = 91,
      }
};

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_lcdc_info hdmi_lcdc_info = {
      .clock_source = LCDC_CLK_EXTERNAL,
      .ch[0] = {
            .chan = LCDC_CHAN_MAINLCD,
            .bpp = 16,
            .interface_type = RGB24,
            .clock_divider = 1,
            .flags = LCDC_FLAGS_DWPOL,
      }
};

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 sh_mobile_hdmi_info hdmi_info = {
      .lcd_chan   = &hdmi_lcdc_info.ch[0],
      .lcd_dev    = &hdmi_lcdc_device.dev,
      .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 int __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;
      }

      ret = clk_enable(&sh7372_pllc2_clk);
      if (ret < 0) {
            pr_err("Cannot enable pllc2 clock\n");
            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);
            goto out;
      }

out:
      if (!IS_ERR(hdmi_ick))
            clk_put(hdmi_ick);
      return ret;
}
device_initcall(hdmi_init_pm_clock);

/* USB1 (Host) */
static void usb1_host_port_power(int port, int power)
{
      if (!power) /* only power-on is supported for now */
            return;

      /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
      __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
}

static struct r8a66597_platdata usb1_host_data = {
      .on_chip    = 1,
      .port_power = usb1_host_port_power,
};

static struct resource usb1_host_resources[] = {
      [0] = {
            .name = "USBHS",
            .start      = 0xE68B0000,
            .end  = 0xE68B00E6 - 1,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = evt2irq(0x1ce0) /* USB1_USB1I0 */,
            .flags      = IORESOURCE_IRQ,
      },
};

static struct platform_device usb1_host_device = {
      .name = "r8a66597_hcd",
      .id   = 1,
      .dev = {
            .dma_mask         = NULL,         /*  not use dma */
            .coherent_dma_mask      = 0xffffffff,
            .platform_data          = &usb1_host_data,
      },
      .num_resources    = ARRAY_SIZE(usb1_host_resources),
      .resource   = usb1_host_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_set_rate(struct device *dev, int is_porta, 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;

      /* FSIA is slave mode. nothing to do here */
      if (is_porta)
            return 0;

      /* 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 = {
      .porta_flags =    SH_FSI_BRS_INV          |
                  SH_FSI_OUT_SLAVE_MODE   |
                  SH_FSI_IN_SLAVE_MODE    |
                  SH_FSI_OFMT(PCM)  |
                  SH_FSI_IFMT(PCM),

      .portb_flags =    SH_FSI_BRS_INV    |
                  SH_FSI_BRM_INV    |
                  SH_FSI_LRS_INV    |
                  SH_FSI_OFMT(SPDIF),

      .set_rate = fsi_set_rate,
};

static struct resource fsi_resources[] = {
      [0] = {
            .name = "FSI",
            .start      = 0xFE3C0000,
            .end  = 0xFE3C0400 - 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 platform_device fsi_ak4643_device = {
      .name       = "sh_fsi2_a_ak4643",
};

/*
 * 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_caps  = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
};

static struct resource sdhi0_resources[] = {
      [0] = {
            .name = "SDHI0",
            .start      = 0xe6850000,
            .end  = 0xe68501ff,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = evt2irq(0x0e00) /* SDHI0 */,
            .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)
/* 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  = 0xe68601ff,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = evt2irq(0x0e80),
            .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  = 0xe68701ff,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = evt2irq(0x1200),
            .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,
};

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_link *icl, struct device *dev);
static void mackerel_camera_del(struct soc_camera_link *icl);

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,
      },
      .bus_param = SOCAM_PCLK_SAMPLE_RISING | SOCAM_HSYNC_ACTIVE_HIGH |
      SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_MASTER | SOCAM_DATAWIDTH_8 |
      SOCAM_DATA_ACTIVE_HIGH,
      .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 void dummy_release(struct device *dev)
{
}

static struct platform_device camera_device = {
      .name       = "soc_camera_platform",
      .dev        = {
            .platform_data    = &camera_info,
            .release    = dummy_release,
      },
};

static int mackerel_camera_add(struct soc_camera_link *icl,
                         struct device *dev)
{
      if (icl != &camera_link)
            return -ENODEV;

      camera_info.dev = dev;

      return platform_device_register(&camera_device);
}

static void mackerel_camera_del(struct soc_camera_link *icl)
{
      if (icl != &camera_link)
            return;

      platform_device_unregister(&camera_device);
      memset(&camera_device.dev.kobj, 0,
             sizeof(camera_device.dev.kobj));
}

static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
      .flags = SH_CEU_FLAG_USE_8BIT_BUS,
};

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,
      },
};

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,
      &usb1_host_device,
      &leds_device,
      &fsi_device,
      &fsi_ak4643_device,
      &sdhi0_device,
#if !defined(CONFIG_MMC_SH_MMCIF)
      &sdhi1_device,
#endif
      &sdhi2_device,
      &sh_mmcif_device,
      &ceu_device,
      &mackerel_camera,
      &hdmi_lcdc_device,
      &hdmi_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,
      },
};

static struct map_desc mackerel_io_desc[] __initdata = {
      /* create a 1:1 entity map for 0xe6xxxxxx
       * used by CPGA, INTC and PFC.
       */
      {
            .virtual    = 0xe6000000,
            .pfn        = __phys_to_pfn(0xe6000000),
            .length           = 256 << 20,
            .type       = MT_DEVICE_NONSHARED
      },
};

static void __init mackerel_map_io(void)
{
      iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_io_desc));

      /* setup early devices and console here as well */
      sh7372_add_early_devices();
      shmobile_setup_console();
}

#define GPIO_PORT9CR    0xE6051009
#define GPIO_PORT10CR   0xE605100A
#define SRCR4           0xe61580bc
#define USCCR1          0xE6058144
static void __init mackerel_init(void)
{
      u32 srcr4;
      struct clk *clk;

      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, 1);

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

      /* USB enable */
      gpio_request(GPIO_FN_VBUS0_1,    NULL);
      gpio_request(GPIO_FN_IDIN_1_18,  NULL);
      gpio_request(GPIO_FN_PWEN_1_115, NULL);
      gpio_request(GPIO_FN_OVCN_1_114, NULL);
      gpio_request(GPIO_FN_EXTLP_1,    NULL);
      gpio_request(GPIO_FN_OVCN2_1,    NULL);

      /* setup USB phy */
      __raw_writew(0x8a0a, 0xE6058130);   /* USBCR4 */

      /* 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_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
      gpio_no_direction(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);
      set_irq_type(IRQ9, IRQ_TYPE_LEVEL_HIGH);

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

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

      /* enable SDHI0 */
      gpio_request(GPIO_FN_SDHICD0, NULL);
      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);

#if !defined(CONFIG_MMC_SH_MMCIF)
      /* 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);

      /* 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));
}

static void __init mackerel_timer_init(void)
{
      sh7372_clock_init();
      shmobile_timer.init();

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

static struct sys_timer mackerel_timer = {
      .init       = mackerel_timer_init,
};

MACHINE_START(MACKEREL, "mackerel")
      .map_io           = mackerel_map_io,
      .init_irq   = sh7372_init_irq,
      .handle_irq = shmobile_handle_irq_intc,
      .init_machine     = mackerel_init,
      .timer            = &mackerel_timer,
MACHINE_END

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