diff --git a/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml b/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml
index f50558ed914f7..0705f91199a08 100644
--- a/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml
+++ b/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml
@@ -9,6 +9,9 @@ title: Amlogic AIU audio output controller
 maintainers:
   - Jerome Brunet <jbrunet@baylibre.com>
 
+allOf:
+  - $ref: name-prefix.yaml#
+
 properties:
   $nodename:
     pattern: "^audio-controller@.*"
@@ -65,6 +68,8 @@ properties:
   resets:
     maxItems: 1
 
+  sound-name-prefix: true
+
 required:
   - "#sound-dai-cells"
   - compatible
diff --git a/Documentation/devicetree/bindings/sound/linux,spdif-dit.yaml b/Documentation/devicetree/bindings/sound/linux,spdif-dit.yaml
index c6b070e1d0147..a4f9257e313da 100644
--- a/Documentation/devicetree/bindings/sound/linux,spdif-dit.yaml
+++ b/Documentation/devicetree/bindings/sound/linux,spdif-dit.yaml
@@ -9,6 +9,9 @@ title: Dummy SPDIF Transmitter Device Tree Bindings
 maintainers:
   - Mark Brown <broonie@kernel.org>
 
+allOf:
+  - $ref: name-prefix.yaml#
+
 properties:
   compatible:
     const: linux,spdif-dit
@@ -16,6 +19,8 @@ properties:
   "#sound-dai-cells":
     const: 0
 
+  sound-name-prefix: true
+
 required:
   - "#sound-dai-cells"
   - compatible