[PATCH] USB_DR device support for FSL MPC831x

[Vitaly Bordug <vitb@kernel.crashing.org>]

This adds support for USB device mode on mpc831x series. 
Devicetree node modification is required to make it work - 

dr_mode ="peripheral";

which should be commented out if host mode is desired onboot.

Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org>

---

 arch/powerpc/sysdev/fsl_soc.c |    1 +
 include/linux/fsl_devices.h   |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index c0ddc80..27a1510 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -514,6 +514,7 @@ static int __init fsl_usb_of_init(void)
 			}
 		} else if (prop && !strcmp(prop, "peripheral")) {
 			usb_data.operating_mode = FSL_USB2_DR_DEVICE;
+			usb_data.max_ep_nr = *(unsigned int*)of_get_property(np, "max_ep_nr",NULL);
 			usb_dev_dr_client = platform_device_register_simple(
 					"fsl-usb2-udc", i, r, 2);
 			if (IS_ERR(usb_dev_dr_client)) {
diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index 12e631f..a3feb34 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -103,6 +103,7 @@ struct fsl_usb2_platform_data {
 	enum fsl_usb2_operating_modes	operating_mode;
 	enum fsl_usb2_phy_modes		phy_mode;
 	unsigned int			port_enables;
+	unsigned int			max_ep_nr;
 };
 
 /* Flags in fsl_usb2_mph_platform_data */