[ARM] S3C: Add USB high-speed/OtG device definitions

Add platform device definitions for the high-speed and OtG
capable device block on the newer Samsung parts.

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

5 files changed, 77 insertions, 0 deletions

diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig
index a4c5027421d3..140391587c39 100644
--- a/arch/arm/plat-s3c/Kconfig
+++ b/arch/arm/plat-s3c/Kconfig
@@ -186,4 +186,9 @@ config S3C_DEV_USB_HOST
         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
+
 endif
diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile
index bfc8f537db18..061e20458e89 100644
--- a/arch/arm/plat-s3c/Makefile
+++ b/arch/arm/plat-s3c/Makefile
@@ -32,3 +32,4 @@ 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
diff --git a/arch/arm/plat-s3c/dev-usb-hsotg.c b/arch/arm/plat-s3c/dev-usb-hsotg.c
new file mode 100644
index 000000000000..e2f604b51c86
--- /dev/null
+++ b/arch/arm/plat-s3c/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-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
index 26f0cec3ac04..a0b6768fddcf 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-s3c/include/plat/devs.h
@@ -45,6 +45,7 @@ extern struct platform_device s3c_device_spi1;
 extern struct platform_device s3c_device_nand;
 
 extern struct platform_device s3c_device_usbgadget;
+extern struct platform_device s3c_device_usb_hsotg;
 
 /* s3c2440 specific devices */
 
diff --git a/arch/arm/plat-s3c/include/plat/udc-hs.h b/arch/arm/plat-s3c/include/plat/udc-hs.h
new file mode 100644
index 000000000000..dd04db043109
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/udc-hs.h
@@ -0,0 +1,29 @@
+/* arch/arm/plat-s3c/include/plat/udc-hs.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * S3C USB2.0 High-speed / OtG platform information
+ *
+ * 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.
+*/
+
+enum s3c_hostg_dmamode {
+        S3C_HSOTG_DMA_NONE,     /* do not use DMA at-all */
+        S3C_HSOTG_DMA_ONLY,     /* always use DMA */
+        S3C_HSOTG_DMA_DRV,      /* DMA is chosen by driver */
+};
+
+/**
+ * struct s3c_hsotg_plat - platform data for high-speed otg/udc
+ * @dma: Whether to use DMA or not.
+ * @is_osc: The clock source is an oscillator, not a crystal
+ */
+struct s3c_hsotg_plat {
+        enum s3c_hostg_dmamode  dma;
+        unsigned int            is_osc : 1;
+};