[PATCH v6 7/8] of: Document simplified graph binding for single port devices

[Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>]

For simple devices with only one port, it can be made implicit.
The endpoint node can be a direct child of the device node.

Signed-off-by: Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
---
 Documentation/devicetree/bindings/graph.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/graph.txt b/Documentation/devicetree/bindings/graph.txt
index 1a69c07..e496547 100644
--- a/Documentation/devicetree/bindings/graph.txt
+++ b/Documentation/devicetree/bindings/graph.txt
@@ -84,6 +84,14 @@ device {
         };
 };
 
+For devices with only a single port and a single endpoint, this can be further
+simplified by making the port implicit, and adding the endpoint node as a direct
+child of the device node.
+
+device {
+	endpoint { ... };
+};
+
 Links between endpoints
 -----------------------
 
-- 
1.9.0.rc3

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