FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/media/xilinx/xlnx,video.txt

     Xilinx Video IP Pipeline (VIPP)
     -------------------------------
     
     General concept
     ---------------
     
     Xilinx video IP pipeline processes video streams through one or more Xilinx
     video IP cores. Each video IP core is represented as documented in video.txt
     and IP core specific documentation, xlnx,v-*.txt, in this directory. The DT
    node of the VIPP represents as a top level node of the pipeline and defines
    mappings between DMAs and the video IP cores.
    
    Required properties:
    
    - compatible: Must be "xlnx,video".
    
    - dmas, dma-names: List of one DMA specifier and identifier string (as defined
      in Documentation/devicetree/bindings/dma/dma.txt) per port. Each port
      requires a DMA channel with the identifier string set to "port" followed by
      the port index.
    
    - ports: Video port, using the DT bindings defined in ../video-interfaces.txt.
    
    Required port properties:
    
    - direction: should be either "input" or "output" depending on the direction
      of stream.
    
    Example:
    
            video_cap {
                    compatible = "xlnx,video";
                    dmas = <&vdma_1 1>, <&vdma_3 1>;
                    dma-names = "port0", "port1";
    
                    ports {
                            #address-cells = <1>;
                            #size-cells = <0>;
    
                            port@0 {
                                    reg = <0>;
                                    direction = "input";
                                    vcap0_in0: endpoint {
                                            remote-endpoint = <&scaler0_out>;
                                    };
                            };
                            port@1 {
                                    reg = <1>;
                                    direction = "input";
                                    vcap0_in1: endpoint {
                                            remote-endpoint = <&switch_out1>;
                                    };
                            };
                    };
            };

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