Document the optional binding to limit the possible tv-norms on the
input connectors.
Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
Documentation/devicetree/bindings/media/i2c/tvp5150.txt | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
index 82fff80fa63a..970be21fb191 100644
--- a/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
+++ b/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
@@ -48,6 +48,13 @@ Required Endpoint Properties for parallel synchronization on output port:
Note: Do not specify any of these properties if you want to use the embedded
BT.656 synchronization.
+Optional Connector Properties:
+==============================
+
+- tvnorms: Set the possible signals to which the hardware tries to lock instead
+ of using the autodetection mechnism. Please look at [1] for more
+ information.
+
[1] Documentation/devicetree/bindings/display/connector/analog-tv-connector.txt.
Example - three input sources:
@@ -55,6 +62,7 @@ Example - three input sources:
comp_connector_0 {
compatible = "composite-video-connector";
label = "Composite0";
+ tvnorms = <TVNORM_PAL_M>; /* limit to pal-m signals */
port {
composite0_to_tvp5150: endpoint {
@@ -66,6 +74,7 @@ comp_connector_0 {
comp_connector_1 {
compatible = "composite-video-connector";
label = "Composite1";
+ tvnorms = <TVNORM_NTSC_M>; /* limit to ntsc-m signals */
port {
composite1_to_tvp5150: endpoint {
--
2.20.1
