linux-kernel - [PATCH 7/8] [media] tvp5150: document input connectors DT bindings

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Date:	Fri,  5 Feb 2016 16:09:57 -0300
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	linux-media@...r.kernel.org,
	Javier Martinez Canillas <javier@....samsung.com>
Subject: [PATCH 7/8] [media] tvp5150: document input connectors DT bindings

The tvp5150 decoder has different input connectors so extend the device
tree binding to allow device tree source files to define the connectors
that are available on a given board.

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
---

 .../devicetree/bindings/media/i2c/tvp5150.txt      | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
index 8c0fc1a26bf0..daa20e43a8e3 100644
--- a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
+++ b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
@@ -12,6 +12,32 @@ Optional Properties:
 - pdn-gpios: phandle for the GPIO connected to the PDN pin, if any.
 - reset-gpios: phandle for the GPIO connected to the RESETB pin, if any.
 
+Optional nodes:
+- connectors: The input connectors of tvp5150 have to be defined under
+  a subnode name "connectors" using the following format:
+
+	input-connector-name {
+		input connector properties
+	};
+
+Each input connector must contain the following properties:
+
+	- label: a name for the connector.
+	- input: the input connector.
+
+The possible values for the "input" property are:
+	0: Composite0
+	1: Composite1
+	2: S-Video
+
+and on a tvp5150am1 and tvp5151 there is another:
+	4: Signal generator
+
+The list of valid input connectors are defined in dt-bindings/media/tvp5150.h
+header file and can be included by device tree source files.
+
+Each input connector can be defined only once.
+
 The device node must contain one 'port' child node for its digital output
 video port, in accordance with the video interface bindings defined in
 Documentation/devicetree/bindings/media/video-interfaces.txt.
@@ -36,6 +62,23 @@ Example:
 		pdn-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>;
 		reset-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>;
 
+		connectors {
+			composite0 {
+				label = "Composite0";
+				input = <TVP5150_COMPOSITE0>;
+			};
+
+			composite1 {
+				label = "Composite1";
+				input = <TVP5150_COMPOSITE1>;
+			};
+
+			s-video {
+				label = "S-Video";
+				input = <TVP5150_SVIDEO>;
+			};
+		};
+
 		port {
 			tvp5150_1: endpoint {
 				remote-endpoint = <&ccdc_ep>;
-- 
2.5.0