| # 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>; |
| }; |
