board-ap4evb.c 30.3 KB
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/*
 * AP4EVB board support
 *
 * 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
 */
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#include <linux/clk.h>
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#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
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#include <linux/mfd/sh_mobile_sdhi.h>
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#include <linux/mfd/tmio.h>
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#include <linux/mmc/host.h>
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#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
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#include <linux/mmc/sh_mmcif.h>
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#include <linux/i2c.h>
#include <linux/i2c/tsc2007.h>
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#include <linux/io.h>
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#include <linux/smsc911x.h>
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#include <linux/sh_intc.h>
#include <linux/sh_clk.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/leds.h>
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#include <linux/input/sh_keysc.h>
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#include <linux/usb/r8a66597.h>
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#include <media/sh_mobile_ceu.h>
#include <media/sh_mobile_csi2.h>
#include <media/soc_camera.h>

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#include <sound/sh_fsi.h>

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#include <video/sh_mobile_hdmi.h>
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#include <video/sh_mobile_lcdc.h>
#include <video/sh_mipi_dsi.h>

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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <mach/sh7372.h>
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#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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#include <asm/setup.h>
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/*
 * 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
 */

/*
 * 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
 */

/*
 * 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
 */

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

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/*
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 * LCD / IRQ / KEYSC / IrDA
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 *
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 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
 * LCD = 2nd LCDC (WVGA)
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 *
 * 		|		SW43			|
 * SW3		|	ON		|	OFF	|
 * -------------+-----------------------+---------------+
 * ON		| KEY / IrDA		| LCD		|
 * OFF		| KEY / IrDA / IRQ	| IRQ		|
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 *
 *
 * QHD / WVGA display
 *
 * You can choice display type on menuconfig.
 * Then, check above dip-switch.
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 */

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/*
 * USB
 *
 * J7 : 1-2  MAX3355E VBUS
 *      2-3  DC 5.0V
 *
 * S39: bit2: off
 */

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/*
 * FSI/FSMI
 *
 * SW41	:  ON : SH-Mobile AP4 Audio Mode
 *	: OFF : Bluetooth Audio Mode
 */

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/*
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 * MMC0/SDHI1 (CN7)
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 *
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 * J22 : select card voltage
 *       1-2 pin : 1.8v
 *       2-3 pin : 3.3v
 *
 *        SW1  |             SW33
 *             | bit1 | bit2 | bit3 | bit4
 * ------------+------+------+------+-------
 * MMC0   OFF  |  OFF |  ON  |  ON  |  X
 * SDHI1  OFF  |  ON  |   X  |  OFF | ON
 *
 * voltage lebel
 * CN7 : 1.8v
 * CN12: 3.3v
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 */

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

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/* SMSC 9220 */
static struct resource smc911x_resources[] = {
	{
		.start	= 0x14000000,
		.end	= 0x16000000 - 1,
		.flags	= IORESOURCE_MEM,
	}, {
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		.start	= evt2irq(0x02c0) /* IRQ6A */,
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		.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,
	},
};
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/*
 * 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)
{
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	return !gpio_get_value(GPIO_PORT41);
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}

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

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static struct sh_mmcif_dma sh_mmcif_dma = {
	.chan_priv_rx	= {
		.slave_id	= SHDMA_SLAVE_MMCIF_RX,
	},
	.chan_priv_tx	= {
		.slave_id	= SHDMA_SLAVE_MMCIF_TX,
	},
};

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static struct sh_mmcif_plat_data sh_mmcif_plat = {
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	.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,
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	.get_cd		= slot_cn7_get_cd,
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	.dma		= &sh_mmcif_dma,
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};

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,
};

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/* SDHI0 */
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static struct sh_mobile_sdhi_info sdhi0_info = {
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	.dma_slave_tx	= SHDMA_SLAVE_SDHI0_TX,
	.dma_slave_rx	= SHDMA_SLAVE_SDHI0_RX,
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	.tmio_caps	= MMC_CAP_SDIO_IRQ,
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};

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

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

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/* 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,
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	.tmio_flags	= TMIO_MMC_WRPROTECT_DISABLE,
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	.tmio_caps	= MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
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	.get_cd		= slot_cn7_get_cd,
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};

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,
	},
};

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/* USB1 */
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static void usb1_host_port_power(int port, int power)
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{
	if (!power) /* only power-on 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] = {
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		.start	= evt2irq(0x1ce0) /* USB1_USB1I0 */,
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		.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,
};

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const static struct fb_videomode ap4evb_lcdc_modes[] = {
	{
#ifdef CONFIG_AP4EVB_QHD
		.name		= "R63302(QHD)",
		.xres		= 544,
		.yres		= 961,
		.left_margin	= 72,
		.right_margin	= 600,
		.hsync_len	= 16,
		.upper_margin	= 8,
		.lower_margin	= 8,
		.vsync_len	= 2,
		.sync		= FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
#else
		.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,
#endif
	},
};

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static struct sh_mobile_lcdc_info lcdc_info = {
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	.ch[0] = {
		.chan = LCDC_CHAN_MAINLCD,
		.bpp = 16,
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		.lcd_cfg = ap4evb_lcdc_modes,
		.num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
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	}
};

static struct resource lcdc_resources[] = {
	[0] = {
		.name	= "LCDC",
		.start	= 0xfe940000, /* P4-only space */
		.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	= {
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		.platform_data	= &lcdc_info,
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		.coherent_dma_mask = ~0,
	},
};

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/*
 * QHD display
 */
#ifdef CONFIG_AP4EVB_QHD

/* KEYSC (Needs SW43 set to ON) */
static struct sh_keysc_info keysc_info = {
	.mode		= SH_KEYSC_MODE_1,
	.scan_timing	= 3,
	.delay		= 2500,
	.keycodes = {
		KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
		KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
		KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
		KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
		KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
	},
};

static struct resource keysc_resources[] = {
	[0] = {
		.name	= "KEYSC",
		.start  = 0xe61b0000,
		.end    = 0xe61b0063,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = evt2irq(0x0be0), /* KEYSC_KEY */
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device keysc_device = {
	.name           = "sh_keysc",
	.id             = 0, /* "keysc0" clock */
	.num_resources  = ARRAY_SIZE(keysc_resources),
	.resource       = keysc_resources,
	.dev	= {
		.platform_data	= &keysc_info,
	},
};

/* MIPI-DSI */
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static struct resource mipidsi0_resources[] = {
	[0] = {
		.start  = 0xffc60000,
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		.end    = 0xffc63073,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = 0xffc68000,
		.end    = 0xffc680ef,
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		.flags  = IORESOURCE_MEM,
	},
};

static struct sh_mipi_dsi_info mipidsi0_info = {
	.data_format	= MIPI_RGB888,
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	.lcd_chan	= &lcdc_info.ch[0],
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	.vsynw_offset	= 17,
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};

static struct platform_device mipidsi0_device = {
	.name           = "sh-mipi-dsi",
	.num_resources  = ARRAY_SIZE(mipidsi0_resources),
	.resource       = mipidsi0_resources,
	.id             = 0,
	.dev	= {
		.platform_data	= &mipidsi0_info,
	},
};

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static struct platform_device *qhd_devices[] __initdata = {
	&mipidsi0_device,
	&keysc_device,
};
#endif /* CONFIG_AP4EVB_QHD */

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

	if (rate <= 0)
		return ret;
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	if (enable) {
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		ret = clk_set_rate(clk, rate);
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		if (0 == ret)
			ret = clk_enable(clk);
	} else {
		clk_disable(clk);
	}

	return ret;
}

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static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
{
	return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
}

static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
{
	struct clk *fsia_ick;
	struct clk *fsiack;
	int ret = -EIO;

	fsia_ick = clk_get(dev, "icka");
	if (IS_ERR(fsia_ick))
		return PTR_ERR(fsia_ick);

	/*
	 * FSIACK is connected to AK4642,
	 * and use external clock pin from it.
	 * it is parent of fsia_ick now.
	 */
	fsiack = clk_get_parent(fsia_ick);
	if (!fsiack)
		goto fsia_ick_out;

	/*
	 * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
	 *
	 ** FIXME **
	 * Because the freq_table of external clk (fsiack) are all 0,
	 * the return value of clk_round_rate became 0.
	 * So, it use __fsi_set_rate here.
	 */
	ret = __fsi_set_rate(fsiack, rate, enable);
	if (ret < 0)
		goto fsiack_out;

	ret = __fsi_set_round_rate(fsia_ick, rate, enable);
	if ((ret < 0) && enable)
		__fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */

fsiack_out:
	clk_put(fsiack);

fsia_ick_out:
	clk_put(fsia_ick);

	return 0;
}

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

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

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

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

fsi_set_rate_end:
	clk_put(fsib_clk);
	return ret;
661 662
}

663 664 665 666 667 668 669 670 671 672 673 674
static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
{
	int ret;

	if (is_porta)
		ret = fsi_ak4642_set_rate(dev, rate, enable);
	else
		ret = fsi_hdmi_set_rate(dev, rate, enable);

	return ret;
}

675
static struct sh_fsi_platform_info fsi_info = {
676
	.porta_flags = SH_FSI_BRS_INV,
677 678 679 680

	.portb_flags = SH_FSI_BRS_INV |
		       SH_FSI_BRM_INV |
		       SH_FSI_LRS_INV |
681
		       SH_FSI_FMT_SPDIF,
682
	.set_rate = fsi_set_rate,
683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699
};

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",
700
	.id		= -1,
701 702 703 704 705 706 707
	.num_resources	= ARRAY_SIZE(fsi_resources),
	.resource	= fsi_resources,
	.dev	= {
		.platform_data	= &fsi_info,
	},
};

708 709 710 711
static struct platform_device fsi_ak4643_device = {
	.name		= "sh_fsi2_a_ak4643",
};

712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730
static struct sh_mobile_lcdc_info sh_mobile_lcdc1_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 lcdc1_resources[] = {
	[0] = {
		.name	= "LCDC1",
		.start	= 0xfe944000,
		.end	= 0xfe947fff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
731
		.start	= intcs_evt2irq(0x1780),
732 733 734 735 736 737 738 739 740 741 742 743 744 745 746
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device lcdc1_device = {
	.name		= "sh_mobile_lcdc_fb",
	.num_resources	= ARRAY_SIZE(lcdc1_resources),
	.resource	= lcdc1_resources,
	.id             = 1,
	.dev	= {
		.platform_data	= &sh_mobile_lcdc1_info,
		.coherent_dma_mask = ~0,
	},
};

747 748 749 750
static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
				unsigned long *parent_freq);


751 752 753
static struct sh_mobile_hdmi_info hdmi_info = {
	.lcd_chan = &sh_mobile_lcdc1_info.ch[0],
	.lcd_dev = &lcdc1_device.dev,
754
	.flags = HDMI_SND_SRC_SPDIF,
755
	.clk_optimize_parent = ap4evb_clk_optimize,
756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781
};

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,
	},
};

782 783 784 785
static struct platform_device fsi_hdmi_device = {
	.name		= "sh_fsi2_b_hdmi",
};

786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804
static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
				unsigned long *parent_freq)
{
	struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
	long error;

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

	error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);

	clk_put(hdmi_ick);

	return error;
}

805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829
static struct gpio_led ap4evb_leds[] = {
	{
		.name			= "led4",
		.gpio			= GPIO_PORT185,
		.default_state	= LEDS_GPIO_DEFSTATE_ON,
	},
	{
		.name			= "led2",
		.gpio			= GPIO_PORT186,
		.default_state	= LEDS_GPIO_DEFSTATE_ON,
	},
	{
		.name			= "led3",
		.gpio			= GPIO_PORT187,
		.default_state	= LEDS_GPIO_DEFSTATE_ON,
	},
	{
		.name			= "led1",
		.gpio			= GPIO_PORT188,
		.default_state	= LEDS_GPIO_DEFSTATE_ON,
	}
};

static struct gpio_led_platform_data ap4evb_leds_pdata = {
	.num_leds = ARRAY_SIZE(ap4evb_leds),
830
	.leds = ap4evb_leds,
831 832 833 834 835 836 837 838 839 840
};

static struct platform_device leds_device = {
	.name = "leds-gpio",
	.id = 0,
	.dev = {
		.platform_data  = &ap4evb_leds_pdata,
	},
};

841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925
static struct i2c_board_info imx074_info = {
	I2C_BOARD_INFO("imx074", 0x1a),
};

struct soc_camera_link imx074_link = {
	.bus_id		= 0,
	.board_info	= &imx074_info,
	.i2c_adapter_id	= 0,
	.module_name	= "imx074",
};

static struct platform_device ap4evb_camera = {
	.name   = "soc-camera-pdrv",
	.id     = 0,
	.dev    = {
		.platform_data = &imx074_link,
	},
};

static struct sh_csi2_client_config csi2_clients[] = {
	{
		.phy		= SH_CSI2_PHY_MAIN,
		.lanes		= 3,
		.channel	= 0,
		.pdev		= &ap4evb_camera,
	},
};

static struct sh_csi2_pdata csi2_info = {
	.type		= SH_CSI2C,
	.clients	= csi2_clients,
	.num_clients	= ARRAY_SIZE(csi2_clients),
	.flags		= SH_CSI2_ECC | SH_CSI2_CRC,
};

static struct resource csi2_resources[] = {
	[0] = {
		.name	= "CSI2",
		.start	= 0xffc90000,
		.end	= 0xffc90fff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= intcs_evt2irq(0x17a0),
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device csi2_device = {
	.name   = "sh-mobile-csi2",
	.id     = 0,
	.num_resources	= ARRAY_SIZE(csi2_resources),
	.resource	= csi2_resources,
	.dev    = {
		.platform_data = &csi2_info,
	},
};

static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
	.flags = SH_CEU_FLAG_USE_8BIT_BUS,
	.csi2_dev = &csi2_device.dev,
};

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	= {
926 927
		.platform_data		= &sh_mobile_ceu_info,
		.coherent_dma_mask	= 0xffffffff,
928 929 930
	},
};

931
static struct platform_device *ap4evb_devices[] __initdata = {
932
	&leds_device,
933
	&nor_flash_device,
934
	&smc911x_device,
935
	&sdhi0_device,
936
	&sdhi1_device,
937
	&usb1_host_device,
938
	&fsi_device,
939
	&fsi_ak4643_device,
940
	&fsi_hdmi_device,
941
	&sh_mmcif_device,
942 943 944
	&lcdc1_device,
	&lcdc_device,
	&hdmi_device,
945 946 947
	&csi2_device,
	&ceu_device,
	&ap4evb_camera,
948 949
};

950 951 952 953 954 955 956 957 958 959 960 961
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;
	}

962
	ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
963
	if (ret < 0) {
964
		pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
965 966 967
		goto out;
	}

968
	pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
969

970
	rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
971 972 973 974 975 976
	if (rate < 0) {
		pr_err("Cannot get suitable rate: %ld\n", rate);
		ret = rate;
		goto out;
	}

977
	ret = clk_set_rate(&sh7372_pllc2_clk, rate);
978 979 980 981 982
	if (ret < 0) {
		pr_err("Cannot set rate %ld: %d\n", rate, ret);
		goto out;
	}

983 984 985 986 987
	ret = clk_enable(&sh7372_pllc2_clk);
	if (ret < 0) {
		pr_err("Cannot enable pllc2 clock\n");
		goto out;
	}
988 989
	pr_debug("PLLC2 set frequency %lu\n", rate);

990
	ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
991 992 993 994 995 996 997 998 999 1000 1001 1002 1003
	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);

1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017
static int __init fsi_init_pm_clock(void)
{
	struct clk *fsia_ick;
	int ret;

	fsia_ick = clk_get(&fsi_device.dev, "icka");
	if (IS_ERR(fsia_ick)) {
		ret = PTR_ERR(fsia_ick);
		pr_err("Cannot get FSI ICK: %d\n", ret);
		return ret;
	}

	ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
	if (ret < 0)
1018
		pr_err("Cannot set FSI-A parent: %d\n", ret);
1019 1020 1021 1022 1023 1024 1025

	clk_put(fsia_ick);

	return ret;
}
device_initcall(fsi_init_pm_clock);

1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040
/*
 * 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);
}

1041
/* TouchScreen */
1042 1043 1044 1045 1046 1047 1048 1049
#ifdef CONFIG_AP4EVB_QHD
# define GPIO_TSC_IRQ	GPIO_FN_IRQ28_123
# define GPIO_TSC_PORT	GPIO_PORT123
#else /* WVGA */
# define GPIO_TSC_IRQ	GPIO_FN_IRQ7_40
# define GPIO_TSC_PORT	GPIO_PORT40
#endif

1050
#define IRQ28	evt2irq(0x3380) /* IRQ28A */
1051
#define IRQ7	evt2irq(0x02e0) /* IRQ7A */
1052 1053
static int ts_get_pendown_state(void)
{
1054
	int val;
1055

1056
	gpio_free(GPIO_TSC_IRQ);
1057

1058
	gpio_request(GPIO_TSC_PORT, NULL);
1059

1060
	gpio_direction_input(GPIO_TSC_PORT);
1061

1062
	val = gpio_get_value(GPIO_TSC_PORT);
1063

1064
	gpio_request(GPIO_TSC_IRQ, NULL);
1065

1066
	return !val;
1067 1068 1069 1070
}

static int ts_init(void)
{
1071
	gpio_request(GPIO_TSC_IRQ, NULL);
1072 1073 1074 1075

	return 0;
}

1076
static struct tsc2007_platform_data tsc2007_info = {
1077 1078
	.model			= 2007,
	.x_plate_ohms		= 180,
1079 1080
	.get_pendown_state	= ts_get_pendown_state,
	.init_platform_hw	= ts_init,
1081 1082
};

1083 1084 1085 1086 1087 1088 1089
static struct i2c_board_info tsc_device = {
	I2C_BOARD_INFO("tsc2007", 0x48),
	.type		= "tsc2007",
	.platform_data	= &tsc2007_info,
	/*.irq is selected on ap4evb_init */
};

1090
/* I2C */
1091 1092 1093 1094 1095 1096
static struct i2c_board_info i2c0_devices[] = {
	{
		I2C_BOARD_INFO("ak4643", 0x13),
	},
};

1097
static struct i2c_board_info i2c1_devices[] = {
1098 1099 1100
	{
		I2C_BOARD_INFO("r2025sd", 0x32),
	},
1101 1102
};

1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118
static struct map_desc ap4evb_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 ap4evb_map_io(void)
{
	iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));

1119
	/* setup early devices and console here as well */
1120
	sh7372_add_early_devices();
1121
	shmobile_setup_console();
1122 1123
}

1124 1125
#define GPIO_PORT9CR	0xE6051009
#define GPIO_PORT10CR	0xE605100A
1126
#define USCCR1		0xE6058144
1127 1128
static void __init ap4evb_init(void)
{
1129
	u32 srcr4;
1130 1131
	struct clk *clk;

1132 1133
	sh7372_pinmux_init();

1134 1135 1136 1137
	/* enable SCIFA0 */
	gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
	gpio_request(GPIO_FN_SCIFA0_RXD, NULL);

1138 1139 1140 1141
	/* enable SMSC911X */
	gpio_request(GPIO_FN_CS5A,	NULL);
	gpio_request(GPIO_FN_IRQ6_39,	NULL);

1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155
	/* enable Debug switch (S6) */
	gpio_request(GPIO_PORT32, NULL);
	gpio_request(GPIO_PORT33, NULL);
	gpio_request(GPIO_PORT34, NULL);
	gpio_request(GPIO_PORT35, NULL);
	gpio_direction_input(GPIO_PORT32);
	gpio_direction_input(GPIO_PORT33);
	gpio_direction_input(GPIO_PORT34);
	gpio_direction_input(GPIO_PORT35);
	gpio_export(GPIO_PORT32, 0);
	gpio_export(GPIO_PORT33, 0);
	gpio_export(GPIO_PORT34, 0);
	gpio_export(GPIO_PORT35, 0);

1156 1157 1158 1159 1160 1161 1162 1163 1164 1165
	/* 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);

1166 1167 1168 1169 1170 1171 1172
	/* 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);
1173

1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185
	/* 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);

1186 1187 1188 1189 1190 1191 1192 1193 1194
	/* 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 */
1195
	__raw_writew(0x8a0a, 0xE6058130);	/* USBCR4 */
1196

1197
	/* enable FSI2 port A (ak4643) */
1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209
	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 */

1210 1211 1212 1213
	/* card detect pin for MMC slot (CN7) */
	gpio_request(GPIO_PORT41, NULL);
	gpio_direction_input(GPIO_PORT41);

1214 1215 1216 1217
	/* setup FSI2 port B (HDMI) */
	gpio_request(GPIO_FN_FSIBCK, NULL);
	__raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */

1218 1219
	/* set SPU2 clock to 119.6 MHz */
	clk = clk_get(NULL, "spu_clk");
1220
	if (!IS_ERR(clk)) {
1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237
		clk_set_rate(clk, clk_round_rate(clk, 119600000));
		clk_put(clk);
	}

	/*
	 * set irq priority, to avoid sound chopping
	 * when NFS rootfs is used
	 *  FSI(3) > SMSC911X(2)
	 */
	intc_set_priority(IRQ_FSI, 3);

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

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

1238
#ifdef CONFIG_AP4EVB_QHD
1239

1240
	/*
1241 1242
	 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
	 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274
	 */

	/* enable KEYSC */
	gpio_request(GPIO_FN_KEYOUT0, NULL);
	gpio_request(GPIO_FN_KEYOUT1, NULL);
	gpio_request(GPIO_FN_KEYOUT2, NULL);
	gpio_request(GPIO_FN_KEYOUT3, NULL);
	gpio_request(GPIO_FN_KEYOUT4, NULL);
	gpio_request(GPIO_FN_KEYIN0_136, NULL);
	gpio_request(GPIO_FN_KEYIN1_135, NULL);
	gpio_request(GPIO_FN_KEYIN2_134, NULL);
	gpio_request(GPIO_FN_KEYIN3_133, NULL);
	gpio_request(GPIO_FN_KEYIN4,     NULL);

	/* enable TouchScreen */
	set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);

	tsc_device.irq = IRQ28;
	i2c_register_board_info(1, &tsc_device, 1);

	/* LCDC0 */
	lcdc_info.clock_source			= LCDC_CLK_PERIPHERAL;
	lcdc_info.ch[0].interface_type		= RGB24;
	lcdc_info.ch[0].clock_divider		= 1;
	lcdc_info.ch[0].flags			= LCDC_FLAGS_DWPOL;
	lcdc_info.ch[0].lcd_size_cfg.width	= 44;
	lcdc_info.ch[0].lcd_size_cfg.height	= 79;

	platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));

#else
	/*
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	 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
	 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1277
	 */
1278

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	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_PORT189, NULL); /* backlight */
	gpio_direction_output(GPIO_PORT189, 1);

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

	lcdc_info.clock_source			= LCDC_CLK_BUS;
	lcdc_info.ch[0].interface_type		= RGB18;
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	lcdc_info.ch[0].clock_divider		= 3;
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	lcdc_info.ch[0].flags			= 0;
	lcdc_info.ch[0].lcd_size_cfg.width	= 152;
	lcdc_info.ch[0].lcd_size_cfg.height	= 91;

	/* enable TouchScreen */
	set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);

	tsc_device.irq = IRQ7;
	i2c_register_board_info(0, &tsc_device, 1);
#endif /* CONFIG_AP4EVB_QHD */
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	/* CEU */

	/*
	 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
	 * becomes available
	 */

	/* MIPI-CSI stuff */
	gpio_request(GPIO_FN_VIO_CKO, NULL);

	clk = clk_get(NULL, "vck1_clk");
	if (!IS_ERR(clk)) {
		clk_set_rate(clk, clk_round_rate(clk, 13000000));
		clk_enable(clk);
		clk_put(clk);
	}

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	sh7372_add_standard_devices();

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	/* 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 */
#define SRCR4 0xe61580bc
	srcr4 = __raw_readl(SRCR4);
	__raw_writel(srcr4 | (1 << 13), SRCR4);
	udelay(50);
	__raw_writel(srcr4 & ~(1 << 13), SRCR4);

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	platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
}

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static void __init ap4evb_timer_init(void)
{
	sh7372_clock_init();
	shmobile_timer.init();
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	/* External clock source */
1359
	clk_set_rate(&sh7372_dv_clki_clk, 27000000);
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}

static struct sys_timer ap4evb_timer = {
	.init		= ap4evb_timer_init,
};

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MACHINE_START(AP4EVB, "ap4evb")
	.map_io		= ap4evb_map_io,
	.init_irq	= sh7372_init_irq,
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	.handle_irq	= shmobile_handle_irq_intc,
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	.init_machine	= ap4evb_init,
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	.timer		= &ap4evb_timer,
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MACHINE_END