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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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ASoC: dt-bindings: Add support for Loongson audio card
The audio card uses loongson I2S controller present in
7axxx/2kxxx chips to transfer audio data.
On loongson platform, the chip has only one I2S controller.
Signed-off-by: Yingkun Meng <mengyingkun@loongson.cn>
Link: https://lore.kernel.org/r/20230614122659.3402788-1-mengyingkun@loongson.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Yingkun Meng
and committed by
Mark Brown
fadccca8
d2402860
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Documentation/devicetree/bindings/sound/loongson,ls-audio-card.yaml
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Documentation/devicetree/bindings/sound/loongson,ls-audio-card.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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$id: http://devicetree.org/schemas/sound/loongson,ls-audio-card.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Loongson 7axxx/2kxxx ASoC audio sound card driver
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maintainers:
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- Yingkun Meng <mengyingkun@loongson.cn>
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description:
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The binding describes the sound card present in loongson
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7axxx/2kxxx platform. The sound card is an ASoC component
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which uses Loongson I2S controller to transfer the audio data.
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properties:
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compatible:
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const: loongson,ls-audio-card
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model:
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$ref: /schemas/types.yaml#/definitions/string
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description: User specified audio sound card name
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mclk-fs:
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$ref: simple-card.yaml#/definitions/mclk-fs
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cpu:
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description: Holds subnode which indicates cpu dai.
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type: object
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additionalProperties: false
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properties:
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sound-dai:
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maxItems: 1
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required:
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- sound-dai
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codec:
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description: Holds subnode which indicates codec dai.
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type: object
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additionalProperties: false
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properties:
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sound-dai:
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maxItems: 1
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required:
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- sound-dai
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required:
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- compatible
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- model
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- mclk-fs
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- cpu
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- codec
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additionalProperties: false
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examples:
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- |
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sound {
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compatible = "loongson,ls-audio-card";
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model = "loongson-audio";
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mclk-fs = <512>;
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cpu {
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sound-dai = <&i2s>;
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};
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codec {
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sound-dai = <&es8323>;
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};
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};