1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/sound/audio-graph-port.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Audio Graph Card 'port' Node Bindings 8 9maintainers: 10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 11 12select: false 13 14allOf: 15 - $ref: /schemas/graph.yaml#/$defs/port-base 16 17properties: 18 prefix: 19 description: "device name prefix" 20 $ref: /schemas/types.yaml#/definitions/string 21 convert-rate: 22 $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-rate" 23 convert-channels: 24 $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-channels" 25 convert-sample-format: 26 $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-format" 27 28patternProperties: 29 "^endpoint(@[0-9a-f]+)?": 30 $ref: /schemas/graph.yaml#/$defs/endpoint-base 31 unevaluatedProperties: false 32 33 properties: 34 mclk-fs: 35 description: | 36 Multiplication factor between stream rate and codec mclk. 37 When defined, mclk-fs property defined in dai-link sub nodes are 38 ignored. 39 $ref: /schemas/types.yaml#/definitions/uint32 40 frame-inversion: 41 description: dai-link uses frame clock inversion 42 $ref: /schemas/types.yaml#/definitions/flag 43 bitclock-inversion: 44 description: dai-link uses bit clock inversion 45 $ref: /schemas/types.yaml#/definitions/flag 46 frame-master: 47 description: Indicates dai-link frame master. 48 oneOf: 49 - $ref: /schemas/types.yaml#/definitions/flag 50 - $ref: /schemas/types.yaml#/definitions/phandle 51 bitclock-master: 52 description: Indicates dai-link bit clock master 53 oneOf: 54 - $ref: /schemas/types.yaml#/definitions/flag 55 - $ref: /schemas/types.yaml#/definitions/phandle 56 57 dai-format: 58 description: audio format. 59 items: 60 enum: 61 - i2s 62 - right_j 63 - left_j 64 - dsp_a 65 - dsp_b 66 - ac97 67 - pdm 68 - msb 69 - lsb 70 convert-rate: 71 $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-rate" 72 convert-channels: 73 $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-channels" 74 convert-sample-format: 75 $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-format" 76 77 dai-tdm-slot-num: 78 description: Number of slots in use. 79 $ref: /schemas/types.yaml#/definitions/uint32 80 dai-tdm-slot-width: 81 description: Width in bits for each slot. 82 $ref: /schemas/types.yaml#/definitions/uint32 83 dai-tdm-slot-width-map: 84 description: Mapping of sample widths to slot widths. For hardware 85 that cannot support a fixed slot width or a slot width always 86 equal to sample width. A matrix of one or more 3-tuples. 87 $ref: /schemas/types.yaml#/definitions/uint32-matrix 88 items: 89 items: 90 - 91 description: Sample width in bits 92 minimum: 8 93 maximum: 64 94 - 95 description: Slot width in bits 96 minimum: 8 97 maximum: 256 98 - 99 description: Slot count 100 minimum: 1 101 maximum: 64 102 103additionalProperties: true 104