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     1 # SPDX-License-Identifier: GPL-2.0-only
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/media/allwinner,sun4i-a10-video-engine.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Allwinner A10 Video Engine Device Tree Bindings
    8 
    9 maintainers:
   10   - Chen-Yu Tsai <wens@csie.org>
   11   - Maxime Ripard <mripard@kernel.org>
   12 
   13 properties:
   14   compatible:
   15     enum:
   16       - allwinner,sun4i-a10-video-engine
   17       - allwinner,sun5i-a13-video-engine
   18       - allwinner,sun7i-a20-video-engine
   19       - allwinner,sun8i-a33-video-engine
   20       - allwinner,sun8i-h3-video-engine
   21       - allwinner,sun8i-v3s-video-engine
   22       - allwinner,sun8i-r40-video-engine
   23       - allwinner,sun20i-d1-video-engine
   24       - allwinner,sun50i-a64-video-engine
   25       - allwinner,sun50i-h5-video-engine
   26       - allwinner,sun50i-h6-video-engine
   27 
   28   reg:
   29     maxItems: 1
   30 
   31   interrupts:
   32     maxItems: 1
   33 
   34   clocks:
   35     items:
   36       - description: Bus Clock
   37       - description: Module Clock
   38       - description: RAM Clock
   39 
   40   clock-names:
   41     items:
   42       - const: ahb
   43       - const: mod
   44       - const: ram
   45 
   46   resets:
   47     maxItems: 1
   48 
   49   allwinner,sram:
   50     $ref: /schemas/types.yaml#/definitions/phandle-array
   51     items:
   52       - items:
   53           - description: phandle to SRAM
   54           - description: register value for device
   55     description: Phandle to the device SRAM
   56 
   57   iommus:
   58     maxItems: 1
   59 
   60   memory-region:
   61     maxItems: 1
   62     description:
   63       CMA pool to use for buffers allocation instead of the default
   64       CMA pool.
   65 
   66 required:
   67   - compatible
   68   - reg
   69   - interrupts
   70   - clocks
   71   - clock-names
   72   - resets
   73   - allwinner,sram
   74 
   75 additionalProperties: false
   76 
   77 examples:
   78   - |
   79     #include <dt-bindings/interrupt-controller/arm-gic.h>
   80     #include <dt-bindings/clock/sun7i-a20-ccu.h>
   81     #include <dt-bindings/reset/sun4i-a10-ccu.h>
   82 
   83     video-codec@1c0e000 {
   84         compatible = "allwinner,sun7i-a20-video-engine";
   85         reg = <0x01c0e000 0x1000>;
   86         interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
   87         clocks = <&ccu CLK_AHB_VE>, <&ccu CLK_VE>,
   88                  <&ccu CLK_DRAM_VE>;
   89         clock-names = "ahb", "mod", "ram";
   90         resets = <&ccu RST_VE>;
   91         allwinner,sram = <&ve_sram 1>;
   92     };
   93 
   94 ...
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