linux-kernel - [PATCH v5 7/7] of: Document simplified graph binding for single port devices

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Message-Id: <1393522540-22887-8-git-send-email-p.zabel@pengutronix.de>
Date:	Thu, 27 Feb 2014 18:35:40 +0100
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Grant Likely <grant.likely@...aro.org>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Rob Herring <robh+dt@...nel.org>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	devicetree@...r.kernel.org, Philipp Zabel <p.zabel@...gutronix.de>
Subject: [PATCH v5 7/7] of: Document simplified graph binding for single port devices

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@...gutronix.de>
---
 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 554865b..6dfaff8 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
 -----------------------
 
-- 
1.8.5.3

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