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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/audio-graph-port.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Audio Graph Card 'port' Node Bindings
maintainers:
- Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
select: false
allOf:
- $ref: /schemas/graph.yaml#/$defs/port-base
properties:
prefix:
description: "device name prefix"
$ref: /schemas/types.yaml#/definitions/string
convert-rate:
description: CPU to Codec rate convert.
$ref: /schemas/types.yaml#/definitions/uint32
convert-channels:
description: CPU to Codec rate channels.
$ref: /schemas/types.yaml#/definitions/uint32
patternProperties:
"^endpoint(@[0-9a-f]+)?":
$ref: /schemas/graph.yaml#/$defs/endpoint-base
properties:
mclk-fs:
description: |
Multiplication factor between stream rate and codec mclk.
When defined, mclk-fs property defined in dai-link sub nodes are
ignored.
$ref: /schemas/types.yaml#/definitions/uint32
frame-inversion:
description: dai-link uses frame clock inversion
$ref: /schemas/types.yaml#/definitions/flag
bitclock-inversion:
description: dai-link uses bit clock inversion
$ref: /schemas/types.yaml#/definitions/flag
frame-master:
description: Indicates dai-link frame master.
oneOf:
- $ref: /schemas/types.yaml#/definitions/flag
- $ref: /schemas/types.yaml#/definitions/phandle
bitclock-master:
description: Indicates dai-link bit clock master
oneOf:
- $ref: /schemas/types.yaml#/definitions/flag
- $ref: /schemas/types.yaml#/definitions/phandle
dai-format:
description: audio format.
items:
enum:
- i2s
- right_j
- left_j
- dsp_a
- dsp_b
- ac97
- pdm
- msb
- lsb
convert-rate:
description: CPU to Codec rate convert.
$ref: /schemas/types.yaml#/definitions/uint32
convert-channels:
description: CPU to Codec rate channels.
$ref: /schemas/types.yaml#/definitions/uint32
dai-tdm-slot-width-map:
description: Mapping of sample widths to slot widths. For hardware
that cannot support a fixed slot width or a slot width always
equal to sample width. A matrix of one or more 3-tuples.
$ref: /schemas/types.yaml#/definitions/uint32-matrix
items:
items:
-
description: Sample width in bits
minimum: 8
maximum: 64
-
description: Slot width in bits
minimum: 8
maximum: 256
-
description: Slot count
minimum: 1
maximum: 64
additionalProperties: true
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