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| author |   Mark Brown <broonie@kernel.org> | 2022-08-15 17:22:22 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-08-15 17:22:22 +0100 |
| commit | 36b99942d4770e91d58e7578480db2be8e059c80 (patch) | |
| tree | 4f620eda6d136dd7d0ccaaed75633927694dd247 /Documentation/devicetree/bindings/sound | |
| parent | ASoC: Replace sprintf() with sysfs_emit() (diff) | |
| parent | ASoC: simple-card-utils: Fixup DAI sample format (diff) | |
| download | linux-dev-36b99942d4770e91d58e7578480db2be8e059c80.tar.xz linux-dev-36b99942d4770e91d58e7578480db2be8e059c80.zip | |
DT binding for sample format conversion
Merge series from Sameer Pujar <spujar@nvidia.com>:
DT binding properties are available to fixup rate and channel
parameters of a DAI. This series extends this to sample format
conversion as well. With this now DAI PCM parameters (channels,
sample rate and sample format) can be fixed up as necessary in
an audio path.
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
3 files changed, 54 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml index 5c368674d11a..7ff7a4a104fa 100644 --- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml +++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml @@ -19,11 +19,12 @@ properties: description: "device name prefix" $ref: /schemas/types.yaml#/definitions/string convert-rate: - description: CPU to Codec rate convert. - $ref: /schemas/types.yaml#/definitions/uint32 + $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-rate" convert-channels: - description: CPU to Codec rate channels. - $ref: /schemas/types.yaml#/definitions/uint32 + $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-channels" + convert-sample-format: + $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-format" + patternProperties: "^endpoint(@[0-9a-f]+)?": $ref: /schemas/graph.yaml#/$defs/endpoint-base @@ -65,11 +66,11 @@ patternProperties: - msb - lsb convert-rate: - description: CPU to Codec rate convert. - $ref: /schemas/types.yaml#/definitions/uint32 + $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-rate" convert-channels: - description: CPU to Codec rate channels. - $ref: /schemas/types.yaml#/definitions/uint32 + $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-channels" + convert-sample-format: + $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-format" dai-tdm-slot-width-map: description: Mapping of sample widths to slot widths. For hardware diff --git a/Documentation/devicetree/bindings/sound/audio-graph.yaml b/Documentation/devicetree/bindings/sound/audio-graph.yaml index 4b46794e5153..aaa99c2deda0 100644 --- a/Documentation/devicetree/bindings/sound/audio-graph.yaml +++ b/Documentation/devicetree/bindings/sound/audio-graph.yaml @@ -27,11 +27,12 @@ properties: description: User specified audio sound widgets. $ref: /schemas/types.yaml#/definitions/non-unique-string-array convert-rate: - description: CPU to Codec rate convert. - $ref: /schemas/types.yaml#/definitions/uint32 + $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-rate" convert-channels: - description: CPU to Codec rate channels. - $ref: /schemas/types.yaml#/definitions/uint32 + $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-channels" + convert-sample-format: + $ref: "/schemas/sound/dai-params.yaml#/$defs/dai-sample-format" + pa-gpios: maxItems: 1 hp-det-gpio: diff --git a/Documentation/devicetree/bindings/sound/dai-params.yaml b/Documentation/devicetree/bindings/sound/dai-params.yaml new file mode 100644 index 000000000000..f5fb71f9b603 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/dai-params.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/dai-params.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Digital Audio Interface (DAI) Stream Parameters + +maintainers: + - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + +select: false + +$defs: + + dai-channels: + description: Number of audio channels used by DAI + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 32 + + dai-sample-format: + description: Audio sample format used by DAI + $ref: /schemas/types.yaml#/definitions/string + enum: + - s8 + - s16_le + - s24_le + - s24_3le + - s32_le + + dai-sample-rate: + description: Audio sample rate used by DAI + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 8000 + maximum: 192000 + +properties: {} + +additionalProperties: true |