FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/media/mediatek-vpu.txt

     * Mediatek Video Processor Unit
     
     Video Processor Unit is a HW video controller. It controls HW Codec including
     H.264/VP8/VP9 Decode, H.264/VP8 Encode and Image Processor (scale/rotate/color convert).
     
     Required properties:
       - compatible: "mediatek,mt8173-vpu"
       - reg: Must contain an entry for each entry in reg-names.
       - reg-names: Must include the following entries:
        "tcm": tcm base
        "cfg_reg": Main configuration registers base
      - interrupts: interrupt number to the cpu.
      - clocks : clock name from clock manager
      - clock-names: must be main. It is the main clock of VPU
    
    Optional properties:
      - memory-region: phandle to a node describing memory (see
        Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt)
        to be used for VPU extended memory; if not present, VPU may be located
        anywhere in the memory
    
    Example:
            vpu: vpu@10020000 {
                    compatible = "mediatek,mt8173-vpu";
                    reg = <0 0x10020000 0 0x30000>,
                          <0 0x10050000 0 0x100>;
                    reg-names = "tcm", "cfg_reg";
                    interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
                    clocks = <&topckgen TOP_SCP_SEL>;
                    clock-names = "main";
            };

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