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ASoC: dt-bindings: fsl,sai: 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/20250226100508.2352568-2-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Shengjiu Wang
2025-02-26 18:05:05 +08:00
committed by Mark Brown
parent 579a20181c
commit abcb9a1fd8
1 changed files with 51 additions and 0 deletions
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51
Documentation/devicetree/bindings/sound/fsl,sai.yaml
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@@ -93,6 +93,24 @@ properties:
items:
- description: receive and transmit interrupt
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: audio-graph-port.yaml#
unevaluatedProperties: false
description: port for TX and RX
port@1:
$ref: audio-graph-port.yaml#
unevaluatedProperties: false
description: port for TX only
port@2:
$ref: audio-graph-port.yaml#
unevaluatedProperties: false
description: port for RX only
big-endian:
description: |
required if all the SAI registers are big-endian rather than little-endian.
@@ -204,4 +222,37 @@ examples:
dma-names = "rx", "tx";
fsl,dataline = <1 0xff 0xff 2 0xff 0x11>;
#sound-dai-cells = <0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@1 {
reg = <1>;
playback-only;
sai1_endpoint0: 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 = <&mcodec01_ep>;
};
};
port@2 {
reg = <2>;
capture-only;
sai1_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 = <&fe02_ep>;
};
};
};
};