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Diffstat (limited to 'Documentation/devicetree/bindings/sound/audio-graph-port.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/audio-graph-port.yaml | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml new file mode 100644 index 000000000000..b13c08de505e --- /dev/null +++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml @@ -0,0 +1,122 @@ +# 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 |