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ASoC: dt-bindings: Add Loongson-1 AC97 Controller
Add devicetree binding document for Loongson-1 AC97 controller.
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Link: https://patch.msgid.link/20250409-loongson1-ac97-v2-1-65d5db96a046@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Keguang Zhang
and committed by
Mark Brown
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Documentation/devicetree/bindings/sound/loongson,ls1b-ac97.yaml
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Documentation/devicetree/bindings/sound/loongson,ls1b-ac97.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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$id: http://devicetree.org/schemas/sound/loongson,ls1b-ac97.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Loongson-1 AC97 Controller
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maintainers:
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- Keguang Zhang <keguang.zhang@gmail.com>
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description:
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The Loongson-1 AC97 controller supports 2-channel stereo output and input.
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It is paired with the DMA engine to handle playback and capture functions.
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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oneOf:
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- const: loongson,ls1b-ac97
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- items:
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- enum:
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- loongson,ls1a-ac97
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- loongson,ls1c-ac97
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- const: loongson,ls1b-ac97
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reg:
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maxItems: 3
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reg-names:
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items:
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- const: ac97
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- const: audio-tx
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- const: audio-rx
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dmas:
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maxItems: 2
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dma-names:
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items:
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- const: tx
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- const: rx
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'#sound-dai-cells':
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const: 0
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required:
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- compatible
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- reg
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- reg-names
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- dmas
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- dma-names
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- '#sound-dai-cells'
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unevaluatedProperties: false
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examples:
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- |
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audio-controller@1fe74000 {
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compatible = "loongson,ls1b-ac97";
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reg = <0x1fe74000 0x60>, <0x1fe72420 0x4>, <0x1fe74c4c 0x4>;
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reg-names = "ac97", "audio-tx", "audio-rx";
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dmas = <&dma 1>, <&dma 2>;
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dma-names = "tx", "rx";
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#sound-dai-cells = <0>;
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};