[PATCH v2 2/3] ASoC: dt-bindings: document audio of graph port for cs42l51

6 Jun 2023

When linking the CS42L51 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/cirrus,cs42l51.yaml     | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs42l51.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs42l51.yaml
index 670b67ec0b61..f7bafbd4f1c2 100644
--- a/Documentation/devicetree/bindings/sound/cirrus,cs42l51.yaml
+++ b/Documentation/devicetree/bindings/sound/cirrus,cs42l51.yaml
@@ -44,6 +44,10 @@ properties:
   VAHP-supply:
     description: phandle to voltage regulator of headphone
+  port:
+    $ref: audio-graph-port.yaml#
+    unevaluatedProperties: false
+
 required:
   - compatible
   - reg
@@ -69,6 +73,13 @@ examples:
         VA-supply = <&reg_audio>;
         VAHP-supply = <&reg_audio>;
         reset-gpios = <&gpiog 9 GPIO_ACTIVE_LOW>;
+
+        /* assume audio-graph */
+        port {
+          cpu_endpoint: endpoint {
+            remote-endpoint = <&cpu_endpoint>;
+          };
+        };
       };
     };
 ...
-- 
2.25.1


    