Based on kernel version 6.8
. Page generated on 2024-03-11 21:26 EST
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/fsl,qmc-audio.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: QMC audio maintainers: - Herve Codina <herve.codina@bootlin.com> description: | The QMC audio is an ASoC component which uses QMC (QUICC Multichannel Controller) channels to transfer the audio data. It provides as many DAI as the number of QMC channel used. allOf: - $ref: dai-common.yaml# properties: compatible: const: fsl,qmc-audio '#address-cells': const: 1 '#size-cells': const: 0 '#sound-dai-cells': const: 1 patternProperties: '^dai@([0-9]|[1-5][0-9]|6[0-3])$': description: A DAI managed by this controller type: object additionalProperties: false properties: reg: minimum: 0 maximum: 63 description: The DAI number fsl,qmc-chan: $ref: /schemas/types.yaml#/definitions/phandle-array items: - items: - description: phandle to QMC node - description: Channel number description: Should be a phandle/number pair. The phandle to QMC node and the QMC channel to use for this DAI. required: - reg - fsl,qmc-chan required: - compatible - '#address-cells' - '#size-cells' - '#sound-dai-cells' additionalProperties: false examples: - | audio_controller: audio-controller { compatible = "fsl,qmc-audio"; #address-cells = <1>; #size-cells = <0>; #sound-dai-cells = <1>; dai@16 { reg = <16>; fsl,qmc-chan = <&qmc 16>; }; dai@17 { reg = <17>; fsl,qmc-chan = <&qmc 17>; }; }; sound { compatible = "simple-audio-card"; #address-cells = <1>; #size-cells = <0>; simple-audio-card,dai-link@0 { reg = <0>; format = "dsp_b"; cpu { sound-dai = <&audio_controller 16>; }; codec { sound-dai = <&codec1>; dai-tdm-slot-num = <4>; dai-tdm-slot-width = <8>; /* TS 3, 5, 7, 9 */ dai-tdm-slot-tx-mask = <0 0 0 1 0 1 0 1 0 1>; dai-tdm-slot-rx-mask = <0 0 0 1 0 1 0 1 0 1>; }; }; simple-audio-card,dai-link@1 { reg = <1>; format = "dsp_b"; cpu { sound-dai = <&audio_controller 17>; }; codec { sound-dai = <&codec2>; dai-tdm-slot-num = <4>; dai-tdm-slot-width = <8>; /* TS 2, 4, 6, 8 */ dai-tdm-slot-tx-mask = <0 0 1 0 1 0 1 0 1>; dai-tdm-slot-rx-mask = <0 0 1 0 1 0 1 0 1>; }; }; }; |