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>
---
 Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
index a040d4d31412..3bc917a45802 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"
-- 
2.25.1

On 31/05/2023 16:09, Olivier Moysan wrote:
> 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>
> ---
>  Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
> index a040d4d31412..3bc917a45802 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
> +

Extend the example.

Best regards,
Krzysztof