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

     # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/dma/socionext,uniphier-mio-dmac.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: UniPhier Media IO DMA controller
     
     description: |
      This works as an external DMA engine for SD/eMMC controllers etc.
      found in UniPhier LD4, Pro4, sLD8 SoCs.
    
    maintainers:
      - Masahiro Yamada <yamada.masahiro@socionext.com>
    
    allOf:
      - $ref: "dma-controller.yaml#"
    
    properties:
      compatible:
        const: socionext,uniphier-mio-dmac
    
      reg:
        maxItems: 1
    
      interrupts:
        description: |
          A list of interrupt specifiers associated with the DMA channels.
          The number of interrupt lines is SoC-dependent.
    
      clocks:
        maxItems: 1
    
      resets:
        maxItems: 1
    
      '#dma-cells':
        description: The single cell represents the channel index.
        const: 1
    
    required:
      - compatible
      - reg
      - interrupts
      - clocks
      - '#dma-cells'
    
    additionalProperties: false
    
    examples:
      - |
        // In the example below, "interrupts = <0 68 4>, <0 68 4>, ..." is not a
        // typo. The first two channels share a single interrupt line.
    
        dmac: dma-controller@5a000000 {
            compatible = "socionext,uniphier-mio-dmac";
            reg = <0x5a000000 0x1000>;
            interrupts = <0 68 4>, <0 68 4>, <0 69 4>, <0 70 4>,
                         <0 71 4>, <0 72 4>, <0 73 4>, <0 74 4>;
            clocks = <&mio_clk 7>;
            resets = <&mio_rst 7>;
            #dma-cells = <1>;
        };

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