[media] tvp5150: document input connectors DT bindings
authorJavier Martinez Canillas <javier@osg.samsung.com>
Fri, 5 Feb 2016 19:09:57 +0000 (17:09 -0200)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Thu, 11 Feb 2016 13:11:29 +0000 (11:11 -0200)
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@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Documentation/devicetree/bindings/media/i2c/tvp5150.txt

index 8c0fc1a26bf0a60c3746c66223c5d2bdb5a5018c..daa20e43a8e349fc06a7190c6e6bcb3626968589 100644 (file)
@@ -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>;