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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/loongson,ls1b-ac97.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Loongson-1 AC97 Controller
maintainers:
- Keguang Zhang <keguang.zhang@gmail.com>
description:
The Loongson-1 AC97 controller supports 2-channel stereo output and input.
It is paired with the DMA engine to handle playback and capture functions.
allOf:
- $ref: dai-common.yaml#
properties:
compatible:
oneOf:
- const: loongson,ls1b-ac97
- items:
- enum:
- loongson,ls1a-ac97
- loongson,ls1c-ac97
- const: loongson,ls1b-ac97
reg:
maxItems: 3
reg-names:
items:
- const: ac97
- const: audio-tx
- const: audio-rx
dmas:
maxItems: 2
dma-names:
items:
- const: tx
- const: rx
'#sound-dai-cells':
const: 0
required:
- compatible
- reg
- reg-names
- dmas
- dma-names
- '#sound-dai-cells'
unevaluatedProperties: false
examples:
- |
audio-controller@1fe74000 {
compatible = "loongson,ls1b-ac97";
reg = <0x1fe74000 0x60>, <0x1fe72420 0x4>, <0x1fe74c4c 0x4>;
reg-names = "ac97", "audio-tx", "audio-rx";
dmas = <&dma 1>, <&dma 2>;
dma-names = "tx", "rx";
#sound-dai-cells = <0>;
};
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