xlnx,v-tpg.txt

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    1 Xilinx Video Test Pattern Generator (TPG)
    2 -----------------------------------------
    3 
    4 Required properties:
    5 
    6 - compatible: Must contain at least one of
    7 
    8     "xlnx,v-tpg-5.0" (TPG version 5.0)
    9     "xlnx,v-tpg-6.0" (TPG version 6.0)
   10 
   11   TPG versions backward-compatible with previous versions should list all
   12   compatible versions in the newer to older order.
   13 
   14 - reg: Physical base address and length of the registers set for the device.
   15 
   16 - clocks: Reference to the video core clock.
   17 
   18 - xlnx,video-format, xlnx,video-width: Video format and width, as defined in
   19   video.txt.
   20 
   21 - port: Video port, using the DT bindings defined in ../video-interfaces.txt.
   22   The TPG has a single output port numbered 0.
   23 
   24 Optional properties:
   25 
   26 - xlnx,vtc: A phandle referencing the Video Timing Controller that generates
   27   video timings for the TPG test patterns.
   28 
   29 - timing-gpios: Specifier for a GPIO that controls the timing mux at the TPG
   30   input. The GPIO active level corresponds to the selection of VTC-generated
   31   video timings.
   32 
   33 The xlnx,vtc and timing-gpios properties are mandatory when the TPG is
   34 synthesized with two ports and forbidden when synthesized with one port.
   35 
   36 Example:
   37 
   38         tpg_0: tpg@40050000 {
   39                 compatible = "xlnx,v-tpg-6.0", "xlnx,v-tpg-5.0";
   40                 reg = <0x40050000 0x10000>;
   41                 clocks = <&clkc 15>;
   42 
   43                 xlnx,vtc = <&vtc_3>;
   44                 timing-gpios = <&ps7_gpio_0 55 GPIO_ACTIVE_LOW>;
   45 
   46                 ports {
   47                         #address-cells = <1>;
   48                         #size-cells = <0>;
   49 
   50                         port@0 {
   51                                 reg = <0>;
   52 
   53                                 xlnx,video-format = <XVIP_VF_YUV_422>;
   54                                 xlnx,video-width = <8>;
   55 
   56                                 tpg_in: endpoint {
   57                                         remote-endpoint = <&adv7611_out>;
   58                                 };
   59                         };
   60                         port@1 {
   61                                 reg = <1>;
   62 
   63                                 xlnx,video-format = <XVIP_VF_YUV_422>;
   64                                 xlnx,video-width = <8>;
   65 
   66                                 tpg1_out: endpoint {
   67                                         remote-endpoint = <&switch_in0>;
   68                                 };
   69                         };
   70                 };
   71         };

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sys/contrib/device-tree/Bindings/media/xilinx/xlnx,v-tpg.txt