Commit 369cee79 authored by Marco Felsch's avatar Marco Felsch Committed by Mauro Carvalho Chehab
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media: dt-bindings: connector: analog: add sdtv standards property 



Some connectors no matter if in- or output supports only a limited
range of sdtv standards. It doesn't matter if the hardware behind that
connector supports more than the listed formats since the users are
restriced by a label e.g. to plug only a camera into this connector
which uses the PAL format.

This patch adds the capability to describe such limitation within the
firmware. There are no format restrictions if the property isn't
present, so it's completely backward compatible.

Signed-off-by: default avatarMarco Felsch <m.felsch@pengutronix.de>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 3f870a45

Documentation/devicetree/bindings/display/connector/analog-tv-connector.txt

+6 −0
Original line number Diff line number Diff line
@@ -6,16 +6,22 @@ Required properties: 


Optional properties:

- label: a symbolic name for the connector

- sdtv-standards: limit the supported TV standards on a connector to the given

                  ones. If not specified all TV standards are allowed.

                  Possible TV standards are defined in

                  include/dt-bindings/display/sdtv-standards.h.



Required nodes:

- Video port for TV input



Example

-------

#include <dt-bindings/display/sdtv-standards.h>



tv: connector {

	compatible = "composite-video-connector";

	label = "tv";

	sdtv-standards = <(SDTV_STD_PAL | SDTV_STD_NTSC)>;



	port {

		tv_connector_in: endpoint {