| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/amlogic,gx-sound-card.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Amlogic GX sound card |
| 8 | |
| 9 | maintainers: |
| 10 | - Jerome Brunet <jbrunet@baylibre.com> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: sound-card-common.yaml# |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | items: |
| 18 | - const: amlogic,gx-sound-card |
| 19 | |
| 20 | audio-aux-devs: |
| 21 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 22 | description: list of auxiliary devices |
| 23 | |
| 24 | audio-widgets: |
| 25 | $ref: /schemas/types.yaml#/definitions/non-unique-string-array |
| 26 | minItems: 2 |
| 27 | description: |- |
| 28 | A list off component DAPM widget. Each entry is a pair of strings, |
| 29 | the first being the widget type, the second being the widget name |
| 30 | |
| 31 | patternProperties: |
| 32 | "^dai-link-[0-9]+$": |
| 33 | type: object |
| 34 | additionalProperties: false |
| 35 | description: |- |
| 36 | dai-link child nodes: |
| 37 | Container for dai-link level properties and the CODEC sub-nodes. |
| 38 | There should be at least one (and probably more) subnode of this type |
| 39 | |
| 40 | properties: |
| 41 | dai-format: |
| 42 | $ref: /schemas/types.yaml#/definitions/string |
| 43 | enum: [ i2s, left-j, dsp_a ] |
| 44 | |
| 45 | mclk-fs: |
| 46 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 47 | description: |- |
| 48 | Multiplication factor between the frame rate and master clock |
| 49 | rate |
| 50 | |
| 51 | sound-dai: |
| 52 | maxItems: 1 |
| 53 | description: phandle of the CPU DAI |
| 54 | |
| 55 | patternProperties: |
| 56 | "^codec(-[0-9]+)?$": |
| 57 | type: object |
| 58 | additionalProperties: false |
| 59 | description: |- |
| 60 | Codecs: |
| 61 | dai-link representing backend links should have at least one subnode. |
| 62 | One subnode for each codec of the dai-link. dai-link representing |
| 63 | frontend links have no codec, therefore have no subnodes |
| 64 | |
| 65 | properties: |
| 66 | sound-dai: |
| 67 | maxItems: 1 |
| 68 | description: phandle of the codec DAI |
| 69 | |
| 70 | required: |
| 71 | - sound-dai |
| 72 | |
| 73 | required: |
| 74 | - sound-dai |
| 75 | |
| 76 | required: |
| 77 | - model |
| 78 | - dai-link-0 |
| 79 | |
| 80 | unevaluatedProperties: false |
| 81 | |
| 82 | examples: |
| 83 | - | |
| 84 | sound { |
| 85 | compatible = "amlogic,gx-sound-card"; |
| 86 | model = "GXL-ACME-S905X-FOO"; |
| 87 | audio-aux-devs = <&>; |
| 88 | audio-routing = "I2S ENCODER I2S IN", "I2S FIFO Playback"; |
| 89 | |
| 90 | dai-link-0 { |
| 91 | sound-dai = <&i2s_fifo>; |
| 92 | }; |
| 93 | |
| 94 | dai-link-1 { |
| 95 | sound-dai = <&i2s_encoder>; |
| 96 | dai-format = "i2s"; |
| 97 | mclk-fs = <256>; |
| 98 | |
| 99 | codec-0 { |
| 100 | sound-dai = <&codec0>; |
| 101 | }; |
| 102 | |
| 103 | codec-1 { |
| 104 | sound-dai = <&codec1>; |
| 105 | }; |
| 106 | }; |
| 107 | }; |