FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/dma/renesas,rzn1-dmamux.yaml

     # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/dma/renesas,rzn1-dmamux.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Renesas RZ/N1 DMA mux
     
     maintainers:
      - Miquel Raynal <miquel.raynal@bootlin.com>
    
    allOf:
      - $ref: "dma-router.yaml#"
    
    properties:
      compatible:
        const: renesas,rzn1-dmamux
    
      reg:
        maxItems: 1
        description: DMA mux first register offset within the system control parent.
    
      '#dma-cells':
        const: 6
        description:
          The first four cells are dedicated to the master DMA controller. The fifth
          cell gives the DMA mux bit index that must be set starting from 0. The
          sixth cell gives the binary value that must be written there, ie. 0 or 1.
    
      dma-masters:
        minItems: 1
        maxItems: 2
    
      dma-requests:
        const: 32
    
    required:
      - reg
      - dma-requests
    
    additionalProperties: false
    
    examples:
      - |
        dma-router@a0 {
          compatible = "renesas,rzn1-dmamux";
          reg = <0xa0 4>;
          #dma-cells = <6>;
          dma-masters = <&dma0 &dma1>;
          dma-requests = <32>;
        };

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