ARM: SAMSUNG: Move device definitions in plat-samsung

Move all the platform device definitions from plat-s3c into plat-samsung

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

11 files changed, 691 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index e3ae68472ea..5a72a523557 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -19,4 +19,46 @@ config SAMSUNG_CLKSRC
 	  Select the clock code for the clksrc implementation
 	  used by newer systems such as the S3C64XX.
 
+# device definitions to compile in
+
+config S3C_DEV_HSMMC
+	bool
+	help
+	  Compile in platform device definitions for HSMMC code
+
+config S3C_DEV_HSMMC1
+	bool
+	help
+	  Compile in platform device definitions for HSMMC channel 1
+
+config S3C_DEV_HSMMC2
+	bool
+	help
+	  Compile in platform device definitions for HSMMC channel 2
+
+config S3C_DEV_I2C1
+	bool
+	help
+	  Compile in platform device definitions for I2C channel 1
+
+config S3C_DEV_FB
+	bool
+	help
+	  Compile in platform device definition for framebuffer
+
+config S3C_DEV_USB_HOST
+	bool
+	help
+	  Compile in platform device definition for USB host.
+
+config S3C_DEV_USB_HSOTG
+	bool
+	help
+	  Compile in platform device definition for USB high-speed OtG
+
+config S3C_DEV_NAND
+	bool
+	help
+	  Compile in platform device definition for NAND controller
+
 endif
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index d4d5f942d34..32f03e549d0 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -15,3 +15,15 @@ obj-y				+= clock.o
 obj-y				+= pwm-clock.o
 
 obj-$(CONFIG_SAMSUNG_CLKSRC)	+= clock-clksrc.o
+
+# devices
+
+obj-$(CONFIG_S3C_DEV_HSMMC)	+= dev-hsmmc.o
+obj-$(CONFIG_S3C_DEV_HSMMC1)	+= dev-hsmmc1.o
+obj-$(CONFIG_S3C_DEV_HSMMC2)	+= dev-hsmmc2.o
+obj-y				+= dev-i2c0.o
+obj-$(CONFIG_S3C_DEV_I2C1)	+= dev-i2c1.o
+obj-$(CONFIG_S3C_DEV_FB)	+= dev-fb.o
+obj-$(CONFIG_S3C_DEV_USB_HOST)	+= dev-usb.o
+obj-$(CONFIG_S3C_DEV_USB_HSOTG)	+= dev-usb-hsotg.o
+obj-$(CONFIG_S3C_DEV_NAND)	+= dev-nand.o
diff --git a/arch/arm/plat-samsung/dev-fb.c b/arch/arm/plat-samsung/dev-fb.c
new file mode 100644
index 00000000000..a90198fc4b0
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-fb.c
@@ -0,0 +1,73 @@
+/* linux/arch/arm/plat-s3c/dev-fb.c
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for framebuffer device
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+#include <mach/regs-fb.h>
+
+#include <plat/fb.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_fb_resource[] = {
+	[0] = {
+		.start = S3C_PA_FB,
+		.end   = S3C_PA_FB + SZ_16K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_LCD_VSYNC,
+		.end   = IRQ_LCD_VSYNC,
+		.flags = IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start = IRQ_LCD_FIFO,
+		.end   = IRQ_LCD_FIFO,
+		.flags = IORESOURCE_IRQ,
+	},
+	[3] = {
+		.start = IRQ_LCD_SYSTEM,
+		.end   = IRQ_LCD_SYSTEM,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_fb = {
+	.name		  = "s3c-fb",
+	.id		  = -1,
+	.num_resources	  = ARRAY_SIZE(s3c_fb_resource),
+	.resource	  = s3c_fb_resource,
+	.dev.dma_mask	  = &s3c_device_fb.dev.coherent_dma_mask,
+	.dev.coherent_dma_mask = 0xffffffffUL,
+};
+
+void __init s3c_fb_set_platdata(struct s3c_fb_platdata *pd)
+{
+	struct s3c_fb_platdata *npd;
+
+	if (!pd) {
+		printk(KERN_ERR "%s: no platform data\n", __func__);
+		return;
+	}
+
+	npd = kmemdup(pd, sizeof(struct s3c_fb_platdata), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+
+	s3c_device_fb.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/dev-hsmmc.c b/arch/arm/plat-samsung/dev-hsmmc.c
new file mode 100644
index 00000000000..4c05b39810e
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-hsmmc.c
@@ -0,0 +1,68 @@
+/* linux/arch/arm/plat-s3c/dev-hsmmc.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for hsmmc devices
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mmc/host.h>
+
+#include <mach/map.h>
+#include <plat/sdhci.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+#define S3C_SZ_HSMMC	(0x1000)
+
+static struct resource s3c_hsmmc_resource[] = {
+	[0] = {
+		.start = S3C_PA_HSMMC0,
+		.end   = S3C_PA_HSMMC0 + S3C_SZ_HSMMC - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_HSMMC0,
+		.end   = IRQ_HSMMC0,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL;
+
+struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata = {
+	.max_width	= 4,
+	.host_caps	= (MMC_CAP_4_BIT_DATA |
+			   MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+};
+
+struct platform_device s3c_device_hsmmc0 = {
+	.name		= "s3c-sdhci",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(s3c_hsmmc_resource),
+	.resource	= s3c_hsmmc_resource,
+	.dev		= {
+		.dma_mask		= &s3c_device_hsmmc_dmamask,
+		.coherent_dma_mask	= 0xffffffffUL,
+		.platform_data		= &s3c_hsmmc0_def_platdata,
+	},
+};
+
+void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd)
+{
+	struct s3c_sdhci_platdata *set = &s3c_hsmmc0_def_platdata;
+
+	set->max_width = pd->max_width;
+
+	if (pd->cfg_gpio)
+		set->cfg_gpio = pd->cfg_gpio;
+	if (pd->cfg_card)
+		set->cfg_card = pd->cfg_card;
+}
diff --git a/arch/arm/plat-samsung/dev-hsmmc1.c b/arch/arm/plat-samsung/dev-hsmmc1.c
new file mode 100644
index 00000000000..e49bc4cd0ee
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-hsmmc1.c
@@ -0,0 +1,68 @@
+/* linux/arch/arm/plat-s3c/dev-hsmmc1.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for hsmmc device 1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mmc/host.h>
+
+#include <mach/map.h>
+#include <plat/sdhci.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+#define S3C_SZ_HSMMC	(0x1000)
+
+static struct resource s3c_hsmmc1_resource[] = {
+	[0] = {
+		.start = S3C_PA_HSMMC1,
+		.end   = S3C_PA_HSMMC1 + S3C_SZ_HSMMC - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_HSMMC1,
+		.end   = IRQ_HSMMC1,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static u64 s3c_device_hsmmc1_dmamask = 0xffffffffUL;
+
+struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata = {
+	.max_width	= 4,
+	.host_caps	= (MMC_CAP_4_BIT_DATA |
+			   MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+};
+
+struct platform_device s3c_device_hsmmc1 = {
+	.name		= "s3c-sdhci",
+	.id		= 1,
+	.num_resources	= ARRAY_SIZE(s3c_hsmmc1_resource),
+	.resource	= s3c_hsmmc1_resource,
+	.dev		= {
+		.dma_mask		= &s3c_device_hsmmc1_dmamask,
+		.coherent_dma_mask	= 0xffffffffUL,
+		.platform_data		= &s3c_hsmmc1_def_platdata,
+	},
+};
+
+void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd)
+{
+	struct s3c_sdhci_platdata *set = &s3c_hsmmc1_def_platdata;
+
+	set->max_width = pd->max_width;
+
+	if (pd->cfg_gpio)
+		set->cfg_gpio = pd->cfg_gpio;
+	if (pd->cfg_card)
+		set->cfg_card = pd->cfg_card;
+}
diff --git a/arch/arm/plat-samsung/dev-hsmmc2.c b/arch/arm/plat-samsung/dev-hsmmc2.c
new file mode 100644
index 00000000000..824580bc0e0
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-hsmmc2.c
@@ -0,0 +1,69 @@
+/* linux/arch/arm/plat-s3c/dev-hsmmc2.c
+ *
+ * Copyright (c) 2009 Samsung Electronics
+ * Copyright (c) 2009 Maurus Cuelenaere
+ *
+ * Based on arch/arm/plat-s3c/dev-hsmmc1.c
+ * original file Copyright (c) 2008 Simtec Electronics
+ *
+ * S3C series device definition for hsmmc device 2
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mmc/host.h>
+
+#include <mach/map.h>
+#include <plat/sdhci.h>
+#include <plat/devs.h>
+
+#define S3C_SZ_HSMMC	(0x1000)
+
+static struct resource s3c_hsmmc2_resource[] = {
+	[0] = {
+		.start = S3C_PA_HSMMC2,
+		.end   = S3C_PA_HSMMC2 + S3C_SZ_HSMMC - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_HSMMC2,
+		.end   = IRQ_HSMMC2,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static u64 s3c_device_hsmmc2_dmamask = 0xffffffffUL;
+
+struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata = {
+	.max_width	= 4,
+	.host_caps	= (MMC_CAP_4_BIT_DATA |
+			   MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+};
+
+struct platform_device s3c_device_hsmmc2 = {
+	.name		= "s3c-sdhci",
+	.id		= 2,
+	.num_resources	= ARRAY_SIZE(s3c_hsmmc2_resource),
+	.resource	= s3c_hsmmc2_resource,
+	.dev		= {
+		.dma_mask		= &s3c_device_hsmmc2_dmamask,
+		.coherent_dma_mask	= 0xffffffffUL,
+		.platform_data		= &s3c_hsmmc2_def_platdata,
+	},
+};
+
+void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd)
+{
+	struct s3c_sdhci_platdata *set = &s3c_hsmmc2_def_platdata;
+
+	set->max_width = pd->max_width;
+
+	if (pd->cfg_gpio)
+		set->cfg_gpio = pd->cfg_gpio;
+	if (pd->cfg_card)
+		set->cfg_card = pd->cfg_card;
+}
diff --git a/arch/arm/plat-samsung/dev-i2c0.c b/arch/arm/plat-samsung/dev-i2c0.c
new file mode 100644
index 00000000000..4c761529b94
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-i2c0.c
@@ -0,0 +1,71 @@
+/* linux/arch/arm/plat-s3c/dev-i2c0.c
+ *
+ * Copyright 2008-2009 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for i2c device 0
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_i2c_resource[] = {
+	[0] = {
+		.start = S3C_PA_IIC,
+		.end   = S3C_PA_IIC + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_IIC,
+		.end   = IRQ_IIC,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_i2c0 = {
+	.name		  = "s3c2410-i2c",
+#ifdef CONFIG_S3C_DEV_I2C1
+	.id		  = 0,
+#else
+	.id		  = -1,
+#endif
+	.num_resources	  = ARRAY_SIZE(s3c_i2c_resource),
+	.resource	  = s3c_i2c_resource,
+};
+
+static struct s3c2410_platform_i2c default_i2c_data0 __initdata = {
+	.flags		= 0,
+	.slave_addr	= 0x10,
+	.frequency	= 100*1000,
+	.sda_delay	= 100,
+};
+
+void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd)
+{
+	struct s3c2410_platform_i2c *npd;
+
+	if (!pd)
+		pd = &default_i2c_data0;
+
+	npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	else if (!npd->cfg_gpio)
+		npd->cfg_gpio = s3c_i2c0_cfg_gpio;
+
+	s3c_device_i2c0.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/dev-i2c1.c b/arch/arm/plat-samsung/dev-i2c1.c
new file mode 100644
index 00000000000..d44f7911050
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-i2c1.c
@@ -0,0 +1,68 @@
+/* linux/arch/arm/plat-s3c/dev-i2c1.c
+ *
+ * Copyright 2008-2009 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for i2c device 1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_i2c_resource[] = {
+	[0] = {
+		.start = S3C_PA_IIC1,
+		.end   = S3C_PA_IIC1 + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_IIC1,
+		.end   = IRQ_IIC1,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_i2c1 = {
+	.name		  = "s3c2410-i2c",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s3c_i2c_resource),
+	.resource	  = s3c_i2c_resource,
+};
+
+static struct s3c2410_platform_i2c default_i2c_data1 __initdata = {
+	.flags		= 0,
+	.bus_num	= 1,
+	.slave_addr	= 0x10,
+	.frequency	= 100*1000,
+	.sda_delay	= 100,
+};
+
+void __init s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *pd)
+{
+	struct s3c2410_platform_i2c *npd;
+
+	if (!pd)
+		pd = &default_i2c_data1;
+
+	npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	else if (!npd->cfg_gpio)
+		npd->cfg_gpio = s3c_i2c1_cfg_gpio;
+
+	s3c_device_i2c1.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-samsung/dev-nand.c b/arch/arm/plat-samsung/dev-nand.c
new file mode 100644
index 00000000000..a52fb6cf618
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-nand.c
@@ -0,0 +1,129 @@
+/*
+ * S3C series device definition for nand device
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <mach/map.h>
+#include <plat/devs.h>
+#include <plat/nand.h>
+
+static struct resource s3c_nand_resource[] = {
+	[0] = {
+		.start = S3C_PA_NAND,
+		.end   = S3C_PA_NAND + SZ_1M,
+		.flags = IORESOURCE_MEM,
+	}
+};
+
+struct platform_device s3c_device_nand = {
+	.name		  = "s3c2410-nand",
+	.id		  = -1,
+	.num_resources	  = ARRAY_SIZE(s3c_nand_resource),
+	.resource	  = s3c_nand_resource,
+};
+
+EXPORT_SYMBOL(s3c_device_nand);
+
+/**
+ * s3c_nand_copy_set() - copy nand set data
+ * @set: The new structure, directly copied from the old.
+ *
+ * Copy all the fields from the NAND set field from what is probably __initdata
+ * to new kernel memory. The code returns 0 if the copy happened correctly or
+ * an error code for the calling function to display.
+ *
+ * Note, we currently do not try and look to see if we've already copied the
+ * data in a previous set.
+ */
+static int __init s3c_nand_copy_set(struct s3c2410_nand_set *set)
+{
+	void *ptr;
+	int size;
+
+	size = sizeof(struct mtd_partition) * set->nr_partitions;
+	if (size) {
+		ptr = kmemdup(set->partitions, size, GFP_KERNEL);
+		set->partitions = ptr;
+
+		if (!ptr)
+			return -ENOMEM;
+	}
+	
+	if (set->nr_map && set->nr_chips) {
+		size = sizeof(int) * set->nr_chips;
+		ptr = kmemdup(set->nr_map, size, GFP_KERNEL);
+		set->nr_map = ptr;
+
+		if (!ptr)
+			return -ENOMEM;
+	}
+
+	if (set->ecc_layout) {
+		ptr = kmemdup(set->ecc_layout,
+			      sizeof(struct nand_ecclayout), GFP_KERNEL);
+		set->ecc_layout = ptr;
+
+		if (!ptr)
+			return -ENOMEM;
+	}
+	
+	return 0;
+}
+
+void __init s3c_nand_set_platdata(struct s3c2410_platform_nand *nand)
+{
+	struct s3c2410_platform_nand *npd;
+	int size;
+	int ret;
+
+	/* note, if we get a failure in allocation, we simply drop out of the
+	 * function. If there is so little memory available at initialisation
+	 * time then there is little chance the system is going to run.
+	 */ 
+
+	npd = kmemdup(nand, sizeof(struct s3c2410_platform_nand), GFP_KERNEL);
+	if (!npd) {
+		printk(KERN_ERR "%s: failed copying platform data\n", __func__);
+		return;
+	}
+
+	/* now see if we need to copy any of the nand set data */
+
+	size = sizeof(struct s3c2410_nand_set) * npd->nr_sets;
+	if (size) {
+		struct s3c2410_nand_set *from = npd->sets;
+		struct s3c2410_nand_set *to;
+		int i;
+
+		to = kmemdup(from, size, GFP_KERNEL);
+		npd->sets = to;	/* set, even if we failed */
+
+		if (!to) {
+			printk(KERN_ERR "%s: no memory for sets\n", __func__);
+			return;
+		}
+		
+		for (i = 0; i < npd->nr_sets; i++) {
+			ret = s3c_nand_copy_set(to);
+			if (ret) {
+				printk(KERN_ERR "%s: failed to copy set %d\n",
+				__func__, i);
+				return;
+			}
+			to++;
+		}
+	}
+
+	s3c_device_nand.dev.platform_data = npd;
+}
+
+EXPORT_SYMBOL_GPL(s3c_nand_set_platdata);
diff --git a/arch/arm/plat-samsung/dev-usb-hsotg.c b/arch/arm/plat-samsung/dev-usb-hsotg.c
new file mode 100644
index 00000000000..e2f604b51c8
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-usb-hsotg.c
@@ -0,0 +1,41 @@
+/* linux/arch/arm/plat-s3c/dev-usb-hsotg.c
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for USB high-speed UDC/OtG block
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+static struct resource s3c_usb_hsotg_resources[] = {
+	[0] = {
+		.start	= S3C_PA_USB_HSOTG,
+		.end	= S3C_PA_USB_HSOTG + 0x10000 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_OTG,
+		.end	= IRQ_OTG,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_usb_hsotg = {
+	.name		= "s3c-hsotg",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(s3c_usb_hsotg_resources),
+	.resource	= s3c_usb_hsotg_resources,
+};
diff --git a/arch/arm/plat-samsung/dev-usb.c b/arch/arm/plat-samsung/dev-usb.c
new file mode 100644
index 00000000000..2ee85abed6d
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-usb.c
@@ -0,0 +1,50 @@
+/* linux/arch/arm/plat-s3c/dev-usb.c
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for USB host
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+
+static struct resource s3c_usb_resource[] = {
+	[0] = {
+		.start = S3C_PA_USBHOST,
+		.end   = S3C_PA_USBHOST + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_USBH,
+		.end   = IRQ_USBH,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static u64 s3c_device_usb_dmamask = 0xffffffffUL;
+
+struct platform_device s3c_device_usb = {
+	.name		  = "s3c2410-ohci",
+	.id		  = -1,
+	.num_resources	  = ARRAY_SIZE(s3c_usb_resource),
+	.resource	  = s3c_usb_resource,
+	.dev              = {
+		.dma_mask = &s3c_device_usb_dmamask,
+		.coherent_dma_mask = 0xffffffffUL
+	}
+};
+
+EXPORT_SYMBOL(s3c_device_usb);