mirror_ubuntu-kernels/Documentation/devicetree/bindings/sound/audio-graph-port.yaml

123 lines
3.7 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'
maintainers:
- Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
select: false
definitions:
port-base:
allOf:
- $ref: /schemas/graph.yaml#/$defs/port-base
- $ref: /schemas/sound/dai-params.yaml#
properties:
mclk-fs:
$ref: simple-card.yaml#/definitions/mclk-fs
playback-only:
description: port connection used only for playback
$ref: /schemas/types.yaml#/definitions/flag
capture-only:
description: port connection used only for capture
$ref: /schemas/types.yaml#/definitions/flag
endpoint-base:
allOf:
- $ref: /schemas/graph.yaml#/$defs/endpoint-base
- $ref: /schemas/sound/dai-params.yaml#
properties:
mclk-fs:
$ref: simple-card.yaml#/definitions/mclk-fs
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
clocks:
description: Indicates system clock
$ref: /schemas/types.yaml#/definitions/phandle
system-clock-frequency:
$ref: simple-card.yaml#/definitions/system-clock-frequency
system-clock-direction-out:
$ref: simple-card.yaml#/definitions/system-clock-direction-out
system-clock-fixed:
$ref: simple-card.yaml#/definitions/system-clock-fixed
dai-format:
description: audio format.
items:
enum:
- i2s
- right_j
- left_j
- dsp_a
- dsp_b
- ac97
- pdm
- msb
- lsb
dai-tdm-slot-num:
description: Number of slots in use.
$ref: /schemas/types.yaml#/definitions/uint32
dai-tdm-slot-width:
description: Width in bits for each slot.
$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
ports:
$ref: "#/definitions/port-base"
unevaluatedProperties: false
patternProperties:
"^port(@[0-9a-f]+)?$":
$ref: "#/definitions/port-base"
unevaluatedProperties: false
patternProperties:
"^endpoint(@[0-9a-f]+)?":
$ref: "#/definitions/endpoint-base"
unevaluatedProperties: false
allOf:
- $ref: "#/definitions/port-base"
patternProperties:
"^endpoint(@[0-9a-f]+)?":
$ref: "#/definitions/endpoint-base"
unevaluatedProperties: false
additionalProperties: true