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/renesas,imr.txt

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    1 Renesas R-Car Image Renderer (Distortion Correction Engine)
    2 -----------------------------------------------------------
    3 
    4 The image renderer, or the distortion correction engine, is a drawing processor
    5 with a simple instruction system capable of referencing video capture data or
    6 data in an external memory as 2D texture data and performing texture mapping
    7 and drawing with respect to any shape that is split into triangular objects.
    8 
    9 Required properties:
   10 
   11 - compatible: "renesas,<soctype>-imr-lx4", "renesas,imr-lx4" as a fallback for
   12   the image renderer light extended 4 (IMR-LX4) found in the R-Car gen3 SoCs,
   13   where the examples with <soctype> are:
   14   - "renesas,r8a7795-imr-lx4" for R-Car H3,
   15   - "renesas,r8a7796-imr-lx4" for R-Car M3-W.
   16 - reg: offset and length of the register block;
   17 - interrupts: single interrupt specifier;
   18 - clocks: single clock phandle/specifier pair;
   19 - power-domains: power domain phandle/specifier pair;
   20 - resets: reset phandle/specifier pair.
   21 
   22 Example:
   23 
   24         imr-lx4@fe860000 {
   25                 compatible = "renesas,r8a7795-imr-lx4", "renesas,imr-lx4";
   26                 reg = <0 0xfe860000 0 0x2000>;
   27                 interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
   28                 clocks = <&cpg CPG_MOD 823>;
   29                 power-domains = <&sysc R8A7795_PD_A3VC>;
   30                 resets = <&cpg 823>;
   31         };

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