allwinner,sun50i-a64-dma.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/dma/allwinner,sun50i-a64-dma.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Allwinner A64 DMA Controller Device Tree Bindings
    8 
    9 maintainers:
   10   - Chen-Yu Tsai <wens@csie.org>
   11   - Maxime Ripard <mripard@kernel.org>
   12 
   13 allOf:
   14   - $ref: "dma-controller.yaml#"
   15 
   16 properties:
   17   "#dma-cells":
   18     const: 1
   19     description: The cell is the request line number.
   20 
   21   compatible:
   22     oneOf:
   23       - enum:
   24           - allwinner,sun20i-d1-dma
   25           - allwinner,sun50i-a64-dma
   26           - allwinner,sun50i-a100-dma
   27           - allwinner,sun50i-h6-dma
   28       - items:
   29           - const: allwinner,sun8i-r40-dma
   30           - const: allwinner,sun50i-a64-dma
   31 
   32   reg:
   33     maxItems: 1
   34 
   35   interrupts:
   36     maxItems: 1
   37 
   38   clocks:
   39     minItems: 1
   40     maxItems: 2
   41 
   42   clock-names:
   43     items:
   44       - const: bus
   45       - const: mbus
   46 
   47   resets:
   48     maxItems: 1
   49 
   50 required:
   51   - "#dma-cells"
   52   - compatible
   53   - reg
   54   - interrupts
   55   - clocks
   56   - resets
   57   - dma-channels
   58 
   59 if:
   60   properties:
   61     compatible:
   62       enum:
   63         - allwinner,sun20i-d1-dma
   64         - allwinner,sun50i-a100-dma
   65         - allwinner,sun50i-h6-dma
   66 
   67 then:
   68   properties:
   69     clocks:
   70       minItems: 2
   71 
   72   required:
   73     - clock-names
   74 
   75 else:
   76   properties:
   77     clocks:
   78       maxItems: 1
   79 
   80 unevaluatedProperties: false
   81 
   82 examples:
   83   - |
   84     dma: dma-controller@1c02000 {
   85         compatible = "allwinner,sun50i-a64-dma";
   86         reg = <0x01c02000 0x1000>;
   87         interrupts = <0 50 4>;
   88         clocks = <&ccu 30>;
   89         dma-channels = <8>;
   90         dma-requests = <27>;
   91         resets = <&ccu 7>;
   92         #dma-cells = <1>;
   93     };
   94 
   95 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/dma/allwinner,sun50i-a64-dma.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/dma/allwinner,sun50i-a64-dma.yaml