When linking the STM32 I2S to another DAI component, according to audio graph cards bindings, an OF graph port property is expected in the node. Document the port property.
Signed-off-by: Olivier Moysan olivier.moysan@foss.st.com --- .../devicetree/bindings/sound/st,stm32-i2s.yaml | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml index a040d4d31412..b9111d375b93 100644 --- a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml @@ -61,6 +61,10 @@ properties: description: Configure the I2S device as MCLK clock provider. const: 0
+ port: + $ref: audio-graph-port.yaml# + unevaluatedProperties: false + required: - compatible - "#sound-dai-cells" @@ -89,6 +93,13 @@ examples: dma-names = "rx", "tx"; pinctrl-names = "default"; pinctrl-0 = <&i2s2_pins_a>; + + /* assume audio-graph */ + port { + codec_endpoint: endpoint { + remote-endpoint = <&codec_endpoint>; + }; + }; };
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