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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/dma/nxp,lpc3220-dmamux.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/dma/nxp,lpc3220-dmamux.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: DMA multiplexer for LPC32XX SoC (DMA request router)

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maintainers:

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  - J.M.B. Downing <jonathan.downing@nautel.com>

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  - Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com>

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allOf:

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  - $ref: dma-router.yaml#

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properties:

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  compatible:

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    const: nxp,lpc3220-dmamux

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  reg:

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    maxItems: 1

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  dma-masters:

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    description: phandle to a dma node compatible with arm,pl080

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    maxItems: 1

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  "#dma-cells":

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    const: 3

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    description: |

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      First two cells same as for device pointed in dma-masters.

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      Third cell represents mux value for the request.

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required:

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  - compatible

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  - reg

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  - dma-masters

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additionalProperties: false

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examples:

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  - |

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    dma-router@7c {

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      compatible = "nxp,lpc3220-dmamux";

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      reg = <0x7c 0x8>;

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      dma-masters = <&dma>;

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      #dma-cells = <3>;

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    };

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...

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