socionext,uniphier-xdmac.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/dma/socionext,uniphier-xdmac.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Socionext UniPhier external DMA controller
    8 
    9 description: |
   10   This describes the devicetree bindings for an external DMA engine to perform
   11   memory-to-memory or peripheral-to-memory data transfer capable of supporting
   12   16 channels, implemented in Socionext UniPhier SoCs.
   13 
   14 maintainers:
   15   - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
   16 
   17 allOf:
   18   - $ref: "dma-controller.yaml#"
   19 
   20 properties:
   21   compatible:
   22     const: socionext,uniphier-xdmac
   23 
   24   reg:
   25     maxItems: 1
   26 
   27   interrupts:
   28     maxItems: 1
   29 
   30   "#dma-cells":
   31     const: 2
   32     description: |
   33       DMA request from clients consists of 2 cells:
   34         1. Channel index
   35         2. Transfer request factor number, If no transfer factor, use 0.
   36            The number is SoC-specific, and this should be specified with
   37            relation to the device to use the DMA controller.
   38 
   39   dma-channels:
   40     minimum: 1
   41     maximum: 16
   42 
   43 additionalProperties: false
   44 
   45 required:
   46   - compatible
   47   - reg
   48   - interrupts
   49   - "#dma-cells"
   50   - dma-channels
   51 
   52 examples:
   53   - |
   54     xdmac: dma-controller@5fc10000 {
   55         compatible = "socionext,uniphier-xdmac";
   56         reg = <0x5fc10000 0x5300>;
   57         interrupts = <0 188 4>;
   58         #dma-cells = <2>;
   59         dma-channels = <16>;
   60     };
   61 
   62 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/dma/socionext,uniphier-xdmac.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/dma/socionext,uniphier-xdmac.yaml