52 lines
1.1 KiB
YAML
52 lines
1.1 KiB
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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$id: http://devicetree.org/schemas/dma/renesas,rzn1-dmamux.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas RZ/N1 DMA mux
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maintainers:
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- Miquel Raynal <miquel.raynal@bootlin.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: renesas,rzn1-dmamux
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reg:
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maxItems: 1
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description: DMA mux first register offset within the system control parent.
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'#dma-cells':
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const: 6
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description:
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The first four cells are dedicated to the master DMA controller. The fifth
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cell gives the DMA mux bit index that must be set starting from 0. The
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sixth cell gives the binary value that must be written there, ie. 0 or 1.
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dma-masters:
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minItems: 1
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maxItems: 2
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dma-requests:
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const: 32
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required:
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- reg
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- dma-requests
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additionalProperties: false
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examples:
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- |
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dma-router@a0 {
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compatible = "renesas,rzn1-dmamux";
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reg = <0xa0 4>;
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#dma-cells = <6>;
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dma-masters = <&dma0 &dma1>;
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dma-requests = <32>;
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};
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