Staging
v0.5.1
v0.5.1
https://github.com/torvalds/linux
Tip revision: 7d2a07b769330c34b4deabeed939325c77a7ec2f authored by Linus Torvalds on 29 August 2021, 22:04:50 UTC
Linux 5.14
Linux 5.14
Tip revision: 7d2a07b
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>;
};
};
};
...