[POWERPC] 83xx: Added new dr_mode property for usb controller on 83xx

Added a new dr_mode property to describe what mode the DR controller is being
used in (host, device, OTG).  Updated the MPC8349E MDS dts with this new property.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 33994271cb3b..3b514672b80e 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -1334,6 +1334,9 @@ platforms are moved over to use the flattened-device-tree model.
       fsl-usb2-mph compatible controllers.  Either this property or
       "port0" (or both) must be defined for "fsl-usb2-mph" compatible 
       controllers.
+    - dr_mode : indicates the working mode for "fsl-usb2-dr" compatible
+      controllers.  Can be "host", "peripheral", or "otg".  Default to
+      "host" if not defined for backward compatibility.
 
    Recommended properties :
     - interrupts : <a b> where a is the interrupt number and b is a
@@ -1367,6 +1370,7 @@ platforms are moved over to use the flattened-device-tree model.
                 #size-cells = <0>;
                 interrupt-parent = <700>;
                 interrupts = <26 1>;
+                dr_mode = "otg";
                 phy = "ulpi";
         };