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ASoC: dt-bindings: fsl,audmix: Document audio graph port

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This device can be used in conjunction with audio-graph-card to provide
an endpoint for binding with the other side of the audio link.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250226100508.2352568-3-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Shengjiu Wang
2025-02-26 18:05:06 +08:00
committed by Mark Brown
parent abcb9a1fd8
commit 5fee78e517
1 changed files with 60 additions and 0 deletions
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60
Documentation/devicetree/bindings/sound/fsl,audmix.yaml
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@@ -61,6 +61,20 @@ properties:
- description: serial audio input 2
maxItems: 1
ports:
$ref: /schemas/graph.yaml#/properties/ports
patternProperties:
'^port@[0-1]':
$ref: audio-graph-port.yaml#
unevaluatedProperties: false
description: Input port from SAI TX
properties:
port@2:
$ref: audio-graph-port.yaml#
unevaluatedProperties: false
description: Output port to SAI RX
required:
- compatible
- reg
@@ -80,4 +94,50 @@ examples:
clock-names = "ipg";
power-domains = <&pd_audmix>;
dais = <&sai4>, <&sai5>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
playback-only;
amix_endpoint0: endpoint {
dai-tdm-slot-num = <8>;
dai-tdm-slot-width = <32>;
dai-tdm-slot-width-map = <32 8 32>;
dai-format = "dsp_a";
remote-endpoint = <&be00_ep>;
};
};
port@1 {
reg = <1>;
playback-only;
amix_endpoint1: endpoint {
dai-tdm-slot-num = <8>;
dai-tdm-slot-width = <32>;
dai-tdm-slot-width-map = <32 8 32>;
dai-format = "dsp_a";
remote-endpoint = <&be01_ep>;
};
};
port@2 {
reg = <2>;
capture-only;
amix_endpoint2: endpoint {
dai-tdm-slot-num = <8>;
dai-tdm-slot-width = <32>;
dai-tdm-slot-width-map = <32 8 32>;
dai-format = "dsp_a";
bitclock-master;
frame-master;
remote-endpoint = <&be02_ep>;
};
};
};
};