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