The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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

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    1 * Device tree bindings for Aspeed Video Engine
    2 
    3 The Video Engine (VE) embedded in the Aspeed AST2400/2500/2600 SOCs can
    4 capture and compress video data from digital or analog sources.
    5 
    6 Required properties:
    7  - compatible:          "aspeed,ast2400-video-engine" or
    8                         "aspeed,ast2500-video-engine" or
    9                         "aspeed,ast2600-video-engine"
   10  - reg:                 contains the offset and length of the VE memory region
   11  - clocks:              clock specifiers for the syscon clocks associated with
   12                         the VE (ordering must match the clock-names property)
   13  - clock-names:         "vclk" and "eclk"
   14  - resets:              reset specifier for the syscon reset associated with
   15                         the VE
   16  - interrupts:          the interrupt associated with the VE on this platform
   17 
   18 Optional properties:
   19  - memory-region:
   20         phandle to a memory region to allocate from, as defined in
   21         Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
   22 
   23 Example:
   24 
   25 video-engine@1e700000 {
   26     compatible = "aspeed,ast2500-video-engine";
   27     reg = <0x1e700000 0x20000>;
   28     clocks = <&syscon ASPEED_CLK_GATE_VCLK>, <&syscon ASPEED_CLK_GATE_ECLK>;
   29     clock-names = "vclk", "eclk";
   30     resets = <&syscon ASPEED_RESET_VIDEO>;
   31     interrupts = <7>;
   32     memory-region = <&video_engine_memory>;
   33 };

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