[RFC PATCH v2 3/4] Documentation: DT: net: Update binding doc for gmiitorgmii conveter

[Kedareswara rao Appana]

This patch updates the macb device-tree binding doc for adding
Support for gmiitorgmii converter support.

Signed-off-by: Kedareswara rao Appana <appanad at xilinx.com>
---
Changes for v2:
--> New patch.

 Documentation/devicetree/bindings/net/macb.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt
index b5a42df..0d497a7 100644
--- a/Documentation/devicetree/bindings/net/macb.txt
+++ b/Documentation/devicetree/bindings/net/macb.txt
@@ -23,6 +23,10 @@ Required properties:
 	Optional elements: 'tx_clk'
 - clocks: Phandles to input clocks.
 
+Optional properties:
+- gmii2rgmii-phy-handle: phy-handle for gmiitorgmii converter.
+			 See xilinx_gmii2rgmii.txt file in the same directory.
+
 Optional properties for PHY child node:
 - reset-gpios : Should specify the gpio for phy reset
 - magic-packet : If present, indicates that the hardware supports waking
-- 
2.1.2