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92 lines
1.6 KiB
92 lines
1.6 KiB
# SPDX-License-Identifier: GPL-2.0 |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/dma/allwinner,sun50i-a64-dma.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Allwinner A64 DMA Controller Device Tree Bindings |
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maintainers: |
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- Chen-Yu Tsai <[email protected]> |
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- Maxime Ripard <[email protected]> |
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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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oneOf: |
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- const: allwinner,sun50i-a64-dma |
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- const: allwinner,sun50i-a100-dma |
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- const: allwinner,sun50i-h6-dma |
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- items: |
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- const: allwinner,sun8i-r40-dma |
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- const: allwinner,sun50i-a64-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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minItems: 1 |
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maxItems: 2 |
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clock-names: |
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items: |
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- const: bus |
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- const: mbus |
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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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- dma-channels |
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if: |
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properties: |
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compatible: |
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enum: |
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- allwinner,sun50i-a100-dma |
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- allwinner,sun50i-h6-dma |
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then: |
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properties: |
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clocks: |
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maxItems: 2 |
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required: |
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- clock-names |
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else: |
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properties: |
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clocks: |
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maxItems: 1 |
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unevaluatedProperties: false |
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examples: |
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- | |
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dma: dma-controller@1c02000 { |
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compatible = "allwinner,sun50i-a64-dma"; |
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reg = <0x01c02000 0x1000>; |
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interrupts = <0 50 4>; |
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clocks = <&ccu 30>; |
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dma-channels = <8>; |
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dma-requests = <27>; |
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resets = <&ccu 7>; |
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#dma-cells = <1>; |
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}; |
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...
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