The DPSUB doesn't live in isolation, but is connected to the programmable logic for live inputs and outputs, and also has a DisplayPort output. Model all those using OF graph.
Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com --- .../display/xlnx/xlnx,zynqmp-dpsub.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml index d88bd93f4b80..5000c5fda027 100644 --- a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml +++ b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml @@ -117,6 +117,45 @@ properties: - const: dp-phy0 - const: dp-phy1
+ ports: + $ref: /schemas/graph.yaml#/properties/ports + description: | + Connections to the programmable logic and the DisplayPort PHYs. Each port + shall have a single endpoint. + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: The live video input from the programmable logic + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: The live graphics input from the programmable logic + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: The live audio input from the programmable logic + + port@3: + $ref: /schemas/graph.yaml#/properties/port + description: The blended video output to the programmable logic + + port@4: + $ref: /schemas/graph.yaml#/properties/port + description: The mixed audio output to the programmable logic + + port@5: + $ref: /schemas/graph.yaml#/properties/port + description: The DisplayPort output + + required: + - port@0 + - port@1 + - port@2 + - port@3 + - port@4 + - port@5 + required: - compatible - reg @@ -130,6 +169,7 @@ required: - dma-names - phys - phy-names + - ports
additionalProperties: false
@@ -164,6 +204,33 @@ examples: <&psgtr 0 PHY_TYPE_DP 1 3 27000000>;
phy-names = "dp-phy0", "dp-phy1"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + }; + port@1 { + reg = <1>; + }; + port@2 { + reg = <2>; + }; + port@3 { + reg = <3>; + }; + port@4 { + reg = <4>; + }; + port@5 { + reg = <5>; + dpsub_dp_out: endpoint { + remote-endpoint = <&dp_connector>; + }; + }; + }; };
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