ARM: add USB device support to pcm037

Add OTG device definition and resources to i.MX31 and a pure USB device mode
support to the pcm037 board.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 27 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index 227a538bb941..f55c9863ea42 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -17,6 +17,7 @@
  * Boston, MA  02110-1301, USA.
  */
 
+#include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/serial.h>
@@ -349,6 +350,32 @@ struct platform_device mx3_fb = {
        },
 };
 
+static struct resource otg_resources[] = {
+        {
+                .start  = OTG_BASE_ADDR,
+                .end    = OTG_BASE_ADDR + 0x1ff,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .start  = MXC_INT_USB3,
+                .end    = MXC_INT_USB3,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static u64 otg_dmamask = DMA_BIT_MASK(32);
+
+/* OTG gadget device */
+struct platform_device mxc_otg_udc_device = {
+        .name           = "fsl-usb2-udc",
+        .id             = -1,
+        .dev            = {
+                .dma_mask               = &otg_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+        },
+        .resource       = otg_resources,
+        .num_resources  = ARRAY_SIZE(otg_resources),
+};
+
 #ifdef CONFIG_ARCH_MX35
 static struct resource mxc_fec_resources[] = {
         {