Staging
v0.5.1
v0.5.1
https://github.com/torvalds/linux
Tip revision: d58071a8a76d779eedab38033ae4c821c30295a5 authored by Linus Torvalds on 28 November 2021, 22:09:19 UTC
Linux 5.16-rc3
Linux 5.16-rc3
Tip revision: d58071a
video-mux.yaml
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/video-mux.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Video Multiplexer
maintainers:
- Sakari Ailus <sakari.ailus@linux.intel.com>
- Laurent Pinchart <laurent.pinchart@ideasonboard.com>
description:
Video multiplexers allow to select between multiple input ports. Video
received on the active input port is passed through to the output port. Muxes
described by this binding are controlled by a multiplexer controller.
properties:
compatible:
const: video-mux
mux-controls:
maxItems: 1
'#address-cells':
const: 1
'#size-cells':
const: 0
ports:
$ref: /schemas/graph.yaml#/properties/ports
patternProperties:
'^port@':
$ref: /schemas/graph.yaml#/properties/port
required:
- port@0
- port@1
- port@2
patternProperties:
'^port@':
$ref: /schemas/graph.yaml#/properties/port
description:
At least three port nodes containing endpoints connecting to the source
and sink devices according to of_graph bindings. The last port is the
output port, all others are inputs.
required:
- compatible
- mux-controls
oneOf:
- required:
- ports
- required:
- port@0
- port@1
- port@2
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
mux: mux-controller {
compatible = "gpio-mux";
#mux-control-cells = <0>;
mux-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
};
video-mux {
compatible = "video-mux";
mux-controls = <&mux>;
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
mux_in0: endpoint {
remote-endpoint = <&video_source0_out>;
};
};
port@1 {
reg = <1>;
mux_in1: endpoint {
remote-endpoint = <&video_source1_out>;
};
};
port@2 {
reg = <2>;
mux_out: endpoint {
remote-endpoint = <&capture_interface_in>;
};
};
};
...