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freebsd
GitHub Repository: freebsd/freebsd-src
Path: blob/main/sys/contrib/device-tree/Bindings/dma/allwinner,sun4i-a10-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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$id: http://devicetree.org/schemas/dma/allwinner,sun4i-a10-dma.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A10 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: 2
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description:
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The first cell is either 0 or 1, the former to use the normal
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DMA, 1 for dedicated DMA. The second cell is the request line
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number.
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compatible:
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const: allwinner,sun4i-a10-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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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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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,sun4i-a10-dma";
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reg = <0x01c02000 0x1000>;
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interrupts = <27>;
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clocks = <&ahb_gates 6>;
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#dma-cells = <2>;
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};
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...
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