diff --git a/Documentation/devicetree/bindings/powerpc/fsl/fman.txt b/Documentation/devicetree/bindings/powerpc/fsl/fman.txt
index edda55f7400415a41d70efc9ecc9245d0cc60996..1fc5328c0651bb7d5219fa75887d8c2f630df3dc 100644
--- a/Documentation/devicetree/bindings/powerpc/fsl/fman.txt
+++ b/Documentation/devicetree/bindings/powerpc/fsl/fman.txt
@@ -189,6 +189,19 @@ PROPERTIES
 		Definition: There is one reg region describing the port
 		configuration registers.
 
+- fsl,fman-10g-port
+		Usage: optional
+		Value type: boolean
+		Definition: The default port rate is 1G.
+		If this property exists, the port is s 10G port.
+
+- fsl,fman-best-effort-port
+		Usage: optional
+		Value type: boolean
+		Definition: Can be defined only if 10G-support is set.
+		This property marks a best-effort 10G port (10G port that
+		may not be capable of line rate).
+
 EXAMPLE
 
 port@a8000 {