linux/Documentation/devicetree/bindings/sound/audio-graph-port.yaml

85 lines
2.6 KiB
YAML

# 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
properties:
port:
description: single OF-Graph subnode
type: object
properties:
reg:
maxItems: 1
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]+)?":
type: object
properties:
remote-endpoint:
maxItems: 1
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.
$ref: /schemas/types.yaml#/definitions/phandle
bitclock-master:
description: Indicates dai-link bit clock master
$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
required:
- remote-endpoint
ports:
description: multi OF-Graph subnode
type: object
patternProperties:
"^port(@[0-9a-f]+)?":
$ref: "#/properties/port"
additionalProperties: true