| 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/fsl,qmc-audio.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: QMC audio |
| 8 | |
| 9 | maintainers: |
| 10 | - Herve Codina <herve.codina@bootlin.com> |
| 11 | |
| 12 | description: | |
| 13 | The QMC audio is an ASoC component which uses QMC (QUICC Multichannel |
| 14 | Controller) channels to transfer the audio data. |
| 15 | It provides as many DAI as the number of QMC channel used. |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: dai-common.yaml# |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | const: fsl,qmc-audio |
| 23 | |
| 24 | '#address-cells': |
| 25 | const: 1 |
| 26 | '#size-cells': |
| 27 | const: 0 |
| 28 | '#sound-dai-cells': |
| 29 | const: 1 |
| 30 | |
| 31 | patternProperties: |
| 32 | '^dai@([0-9]|[1-5][0-9]|6[0-3])$': |
| 33 | description: |
| 34 | A DAI managed by this controller |
| 35 | type: object |
| 36 | additionalProperties: false |
| 37 | |
| 38 | properties: |
| 39 | reg: |
| 40 | minimum: 0 |
| 41 | maximum: 63 |
| 42 | description: |
| 43 | The DAI number |
| 44 | |
| 45 | fsl,qmc-chan: |
| 46 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 47 | items: |
| 48 | - items: |
| 49 | - description: phandle to QMC node |
| 50 | - description: Channel number |
| 51 | description: |
| 52 | Should be a phandle/number pair. The phandle to QMC node and the QMC |
| 53 | channel to use for this DAI. |
| 54 | |
| 55 | required: |
| 56 | - reg |
| 57 | - fsl,qmc-chan |
| 58 | |
| 59 | required: |
| 60 | - compatible |
| 61 | - '#address-cells' |
| 62 | - '#size-cells' |
| 63 | - '#sound-dai-cells' |
| 64 | |
| 65 | additionalProperties: false |
| 66 | |
| 67 | examples: |
| 68 | - | |
| 69 | audio_controller: audio-controller { |
| 70 | compatible = "fsl,qmc-audio"; |
| 71 | #address-cells = <1>; |
| 72 | #size-cells = <0>; |
| 73 | #sound-dai-cells = <1>; |
| 74 | dai@16 { |
| 75 | reg = <16>; |
| 76 | fsl,qmc-chan = <&qmc 16>; |
| 77 | }; |
| 78 | dai@17 { |
| 79 | reg = <17>; |
| 80 | fsl,qmc-chan = <&qmc 17>; |
| 81 | }; |
| 82 | }; |
| 83 | |
| 84 | sound { |
| 85 | compatible = "simple-audio-card"; |
| 86 | #address-cells = <1>; |
| 87 | #size-cells = <0>; |
| 88 | simple-audio-card,dai-link@0 { |
| 89 | reg = <0>; |
| 90 | format = "dsp_b"; |
| 91 | cpu { |
| 92 | sound-dai = <&audio_controller 16>; |
| 93 | }; |
| 94 | codec { |
| 95 | sound-dai = <&codec1>; |
| 96 | dai-tdm-slot-num = <4>; |
| 97 | dai-tdm-slot-width = <8>; |
| 98 | /* TS 3, 5, 7, 9 */ |
| 99 | dai-tdm-slot-tx-mask = <0 0 0 1 0 1 0 1 0 1>; |
| 100 | dai-tdm-slot-rx-mask = <0 0 0 1 0 1 0 1 0 1>; |
| 101 | }; |
| 102 | }; |
| 103 | simple-audio-card,dai-link@1 { |
| 104 | reg = <1>; |
| 105 | format = "dsp_b"; |
| 106 | cpu { |
| 107 | sound-dai = <&audio_controller 17>; |
| 108 | }; |
| 109 | codec { |
| 110 | sound-dai = <&codec2>; |
| 111 | dai-tdm-slot-num = <4>; |
| 112 | dai-tdm-slot-width = <8>; |
| 113 | /* TS 2, 4, 6, 8 */ |
| 114 | dai-tdm-slot-tx-mask = <0 0 1 0 1 0 1 0 1>; |
| 115 | dai-tdm-slot-rx-mask = <0 0 1 0 1 0 1 0 1>; |
| 116 | }; |
| 117 | }; |
| 118 | }; |