[PATCH] powerpc: fsl: update fman dt binding for PCS PHY

[<shh.xie@gmail.com>]

From: Shaohui Xie <Shaohui.Xie@freescale.com>

PCS PHY can support backplane (1000BASE-KX and 10GBASE-KR), this needs
to change corresponding serdes lane settings, so a reference is needed
for serdes lane. This patch describes properties needed for PCS PHY to
support backplane.

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
---
based on: http://patchwork.ozlabs.org/patch/560936/

 Documentation/devicetree/bindings/powerpc/fsl/fman.txt | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/powerpc/fsl/fman.txt b/Documentation/devicetree/bindings/powerpc/fsl/fman.txt
index 55c2c03..b38e727 100644
--- a/Documentation/devicetree/bindings/powerpc/fsl/fman.txt
+++ b/Documentation/devicetree/bindings/powerpc/fsl/fman.txt
@@ -432,6 +432,16 @@ example of how to define a PHY (Internal PHY has no interrupt line).
 - For "fsl,fman-mdio" compatible internal mdio bus, the PHY is TBI PHY.
 - For "fsl,fman-memac-mdio" compatible internal mdio bus, the PHY is PCS PHY,
   PCS PHY addr must be '0'.
+  PCS PHY can support backplane (1000BASE-KX and 10GBASE-KR), this needs to
+  change the corresponding serdes lane settings.
+
+  PCS PHY node properties required for backplane:
+
+  - compatible: must be "ethernet-phy-ieee802.3-c45".
+  - phy-mode: string, operation mode of the PHY interface; must be "1000base-kx"
+    for 1000BASE-KX, or "10gbase-kr" for 10GBASE-KR.
+  - lane-handle: phandle, specifies a reference to a node representing a Serdes.
+  - lane-range: offset and length of the register set for the serdes lane.
 
 EXAMPLE
 
@@ -464,7 +474,11 @@ mdio@f1000 {
 	fsl,fman-internal-mdio;
 
 	pcsphy6: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c45";
+		phy-mode = "10gbase-kr";
 		reg = <0x0>;
+		lane-handle = <&serdes>;
+		lane-range = <0x18c0 0x40>;
 	};
 };
 
-- 
2.1.0.27.g96db324