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 7 title: Audio Graph Card 'port' 8 9 maintainers: 10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 11 12 select: false 13 14 definitions: 15 port-base: 16 allOf: 17 - $ref: /schemas/graph.yaml#/$defs/port-base 18 - $ref: /schemas/sound/dai-params.yaml# 19 properties: 20 mclk-fs: 21 $ref: simple-card.yaml#/definitions/mclk-fs 22 playback-only: 23 description: port connection used only for playback 24 $ref: /schemas/types.yaml#/definitions/flag 25 capture-only: 26 description: port connection used only for capture 27 $ref: /schemas/types.yaml#/definitions/flag 28 link-trigger-order: 29 description: trigger order for both start/stop 30 $ref: /schemas/types.yaml#/definitions/uint32-array 31 link-trigger-order-start: 32 description: trigger order for start 33 $ref: /schemas/types.yaml#/definitions/uint32-array 34 link-trigger-order-stop: 35 description: trigger order for stop 36 $ref: /schemas/types.yaml#/definitions/uint32-array 37 38 endpoint-base: 39 allOf: 40 - $ref: /schemas/graph.yaml#/$defs/endpoint-base 41 - $ref: /schemas/sound/dai-params.yaml# 42 properties: 43 mclk-fs: 44 $ref: simple-card.yaml#/definitions/mclk-fs 45 frame-inversion: 46 description: dai-link uses frame clock inversion 47 $ref: /schemas/types.yaml#/definitions/flag 48 bitclock-inversion: 49 description: dai-link uses bit clock inversion 50 $ref: /schemas/types.yaml#/definitions/flag 51 frame-master: 52 description: Indicates dai-link frame master. 53 oneOf: 54 - $ref: /schemas/types.yaml#/definitions/flag 55 - $ref: /schemas/types.yaml#/definitions/phandle 56 bitclock-master: 57 description: Indicates dai-link bit clock master 58 oneOf: 59 - $ref: /schemas/types.yaml#/definitions/flag 60 - $ref: /schemas/types.yaml#/definitions/phandle 61 clocks: 62 description: Indicates system clock 63 maxItems: 1 64 system-clock-frequency: 65 $ref: simple-card.yaml#/definitions/system-clock-frequency 66 system-clock-direction-out: 67 $ref: simple-card.yaml#/definitions/system-clock-direction-out 68 system-clock-fixed: 69 $ref: simple-card.yaml#/definitions/system-clock-fixed 70 71 dai-format: 72 description: audio format. 73 items: 74 enum: 75 - i2s 76 - right_j 77 - left_j 78 - dsp_a 79 - dsp_b 80 - ac97 81 - pdm 82 - msb 83 - lsb 84 85 dai-tdm-slot-num: 86 description: Number of slots in use. 87 $ref: /schemas/types.yaml#/definitions/uint32 88 dai-tdm-slot-width: 89 description: Width in bits for each slot. 90 $ref: /schemas/types.yaml#/definitions/uint32 91 dai-tdm-slot-width-map: 92 description: Mapping of sample widths to slot widths. For hardware 93 that cannot support a fixed slot width or a slot width always 94 equal to sample width. A matrix of one or more 3-tuples. 95 $ref: /schemas/types.yaml#/definitions/uint32-matrix 96 items: 97 items: 98 - 99 description: Sample width in bits 100 minimum: 8 101 maximum: 64 102 - 103 description: Slot width in bits 104 minimum: 8 105 maximum: 256 106 - 107 description: Slot count 108 minimum: 1 109 maximum: 64 110 111 ports: 112 $ref: "#/definitions/port-base" 113 unevaluatedProperties: false 114 patternProperties: 115 "^port(@[0-9a-f]+)?$": 116 $ref: "#/definitions/port-base" 117 unevaluatedProperties: false 118 patternProperties: 119 "^endpoint(@[0-9a-f]+)?": 120 $ref: "#/definitions/endpoint-base" 121 unevaluatedProperties: false 122 123 allOf: 124 - $ref: "#/definitions/port-base" 125 126 patternProperties: 127 "^endpoint(@[0-9a-f]+)?": 128 $ref: "#/definitions/endpoint-base" 129 unevaluatedProperties: false 130 131 additionalProperties: true
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