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