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Subject[PATCH 3/3] Docs: dt: fsl-mc: update binding to define dpmac subnodes
Date
The fsl-mc node may optionally have dpmac sub-nodes that describe
the relationship between the Ethernet MACs which belong to the MC
and the Ethernet PHYs on the system board.

Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
---
.../devicetree/bindings/misc/fsl,qoriq-mc.txt | 45 ++++++++++++++++++++++
1 file changed, 45 insertions(+)

diff --git a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt
index 848975f..6611a7c 100644
--- a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt
+++ b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt
@@ -55,6 +55,40 @@ Required properties:
Value type: <u32>
Definition: Must be 1.

+Sub-nodes:
+
+ The fsl-mc node may optionally have dpmac sub-nodes that describe
+ the relationship between the Ethernet MACs which belong to the MC
+ and the Ethernet PHYs on the system board.
+
+ The dpmac nodes must be under a node named "dpmacs" which contains
+ the following properties:
+
+ - #address-cells
+ Value type: <u32>
+ Definition: Must be present if dpmac sub-nodes are defined and must
+ have a value of 1.
+
+ - #size-cells
+ Value type: <u32>
+ Definition: Must be present if dpmac sub-nodes are defined and must
+ have a value of 0.
+
+ These nodes must have the following properties:
+
+ - compatible
+ Value type: <string>
+ Definition: Must be "fsl,qoriq-mc-dpmac".
+
+ - reg
+ Value type: <prop-encoded-array>
+ Definition: Specifies the id of the dpmac.
+
+ - phy-handle
+ Value type: <phandle>
+ Definition: Specifies the phandle to the PHY device node associated
+ with the this dpmac.
+
Example:

fsl_mc: fsl-mc@80c000000 {
@@ -71,4 +105,15 @@ Example:
*/
ranges = <0x0 0x0 0x0 0x8 0x0c000000 0x4000000
0x1 0x0 0x0 0x8 0x18000000 0x8000000>;
+
+ dpmacs {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dpmac@1 {
+ compatible = "fsl,qoriq-mc-dpmac";
+ reg = <1>;
+ phy-handle = <&mdio0_phy0>;
+ }
+ }
};
--
2.3.3


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