dma-router.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/dma/dma-router.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: DMA Router Generic Binding
    8 
    9 maintainers:
   10   - Vinod Koul <vkoul@kernel.org>
   11 
   12 allOf:
   13   - $ref: "dma-common.yaml#"
   14 
   15 description:
   16   DMA routers are transparent IP blocks used to route DMA request
   17   lines from devices to the DMA controller. Some SoCs (like TI DRA7x)
   18   have more peripherals integrated with DMA requests than what the DMA
   19   controller can handle directly.
   20 
   21 properties:
   22   $nodename:
   23     pattern: "^dma-router(@.*)?$"
   24 
   25   dma-masters:
   26     $ref: /schemas/types.yaml#/definitions/phandle-array
   27     items:
   28       maxItems: 1
   29     description:
   30       Array of phandles to the DMA controllers the router can direct
   31       the signal to.
   32 
   33   dma-requests:
   34     description:
   35       Number of incoming request lines the router can handle.
   36 
   37 required:
   38   - "#dma-cells"
   39   - dma-masters
   40 
   41 additionalProperties: true
   42 
   43 examples:
   44   - |
   45     sdma_xbar: dma-router@4a002b78 {
   46         compatible = "ti,dra7-dma-crossbar";
   47         reg = <0x4a002b78 0xfc>;
   48         #dma-cells = <1>;
   49         dma-requests = <205>;
   50         ti,dma-safe-map = <0>;
   51         dma-masters = <&sdma>;
   52     };
   53 
   54 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/dma/dma-router.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/dma/dma-router.yaml