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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/dma/allwinner,sun6i-a31-dma.yaml
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# SPDX-License-Identifier: GPL-2.0

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/dma/allwinner,sun6i-a31-dma.yaml#

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

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title: Allwinner A31 DMA Controller

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maintainers:

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  - Chen-Yu Tsai <wens@csie.org>

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  - Maxime Ripard <mripard@kernel.org>

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allOf:

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  - $ref: dma-controller.yaml#

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properties:

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  "#dma-cells":

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    const: 1

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    description: The cell is the request line number.

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  compatible:

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    enum:

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      - allwinner,sun6i-a31-dma

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      - allwinner,sun8i-a23-dma

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      - allwinner,sun8i-a83t-dma

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      - allwinner,sun8i-h3-dma

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      - allwinner,sun8i-v3s-dma

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  reg:

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    maxItems: 1

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  interrupts:

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    maxItems: 1

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  clocks:

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    maxItems: 1

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  resets:

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    maxItems: 1

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required:

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  - "#dma-cells"

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  - compatible

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  - reg

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  - interrupts

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  - clocks

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  - resets

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additionalProperties: false

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examples:

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  - |

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    dma: dma-controller@1c02000 {

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        compatible = "allwinner,sun6i-a31-dma";

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        reg = <0x01c02000 0x1000>;

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        interrupts = <0 50 4>;

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        clocks = <&ahb1_gates 6>;

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        resets = <&ahb1_rst 6>;

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        #dma-cells = <1>;

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    };

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...

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