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Diffstat (limited to 'Documentation/devicetree/bindings/media/video-mux.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/media/video-mux.yaml | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/video-mux.yaml b/Documentation/devicetree/bindings/media/video-mux.yaml new file mode 100644 index 0000000000..2f28a7dad9 --- /dev/null +++ b/Documentation/devicetree/bindings/media/video-mux.yaml @@ -0,0 +1,106 @@ +# 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>; + }; + }; + }; +... |