| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/loongson,ls-audio-card.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Loongson 7axxx/2kxxx ASoC audio sound card driver |
| 8 | |
| 9 | maintainers: |
| 10 | - Yingkun Meng <mengyingkun@loongson.cn> |
| 11 | |
| 12 | description: |
| 13 | The binding describes the sound card present in loongson |
| 14 | 7axxx/2kxxx platform. The sound card is an ASoC component |
| 15 | which uses Loongson I2S controller to transfer the audio data. |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | const: loongson,ls-audio-card |
| 20 | |
| 21 | model: |
| 22 | $ref: /schemas/types.yaml#/definitions/string |
| 23 | description: User specified audio sound card name |
| 24 | |
| 25 | mclk-fs: |
| 26 | $ref: simple-card.yaml#/definitions/mclk-fs |
| 27 | |
| 28 | cpu: |
| 29 | description: Holds subnode which indicates cpu dai. |
| 30 | type: object |
| 31 | additionalProperties: false |
| 32 | properties: |
| 33 | sound-dai: |
| 34 | maxItems: 1 |
| 35 | required: |
| 36 | - sound-dai |
| 37 | |
| 38 | codec: |
| 39 | description: Holds subnode which indicates codec dai. |
| 40 | type: object |
| 41 | additionalProperties: false |
| 42 | properties: |
| 43 | sound-dai: |
| 44 | maxItems: 1 |
| 45 | required: |
| 46 | - sound-dai |
| 47 | |
| 48 | required: |
| 49 | - compatible |
| 50 | - model |
| 51 | - mclk-fs |
| 52 | - cpu |
| 53 | - codec |
| 54 | |
| 55 | additionalProperties: false |
| 56 | |
| 57 | examples: |
| 58 | - | |
| 59 | sound { |
| 60 | compatible = "loongson,ls-audio-card"; |
| 61 | model = "loongson-audio"; |
| 62 | mclk-fs = <512>; |
| 63 | |
| 64 | cpu { |
| 65 | sound-dai = <&i2s>; |
| 66 | }; |
| 67 | codec { |
| 68 | sound-dai = <&es8323>; |
| 69 | }; |
| 70 | }; |