diff --git a/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml b/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml
index b4b35edcb493..5b8d59245f82 100644
--- a/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml
+++ b/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml
@@ -40,6 +40,7 @@ properties:
 patternProperties:
   "^dai-link-[0-9]+$":
     type: object
+    additionalProperties: false
     description: |-
       dai-link child nodes:
         Container for dai-link level properties and the CODEC sub-nodes.
@@ -63,6 +64,7 @@ patternProperties:
     patternProperties:
       "^codec-[0-9]+$":
         type: object
+        additionalProperties: false
         description: |-
           Codecs:
           dai-link representing backend links should have at least one subnode.
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
index 5c368674d11a..c54ca5eb0baa 100644
--- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
+++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
@@ -27,6 +27,8 @@ properties:
 patternProperties:
   "^endpoint(@[0-9a-f]+)?":
     $ref: /schemas/graph.yaml#/$defs/endpoint-base
+    unevaluatedProperties: false
+
     properties:
       mclk-fs:
         description: |
diff --git a/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml b/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml
index 233caa0ade87..67ccddd44489 100644
--- a/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml
+++ b/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml
@@ -61,6 +61,8 @@ patternProperties:
       cpu:
         description: Holds subnode which indicates cpu dai.
         type: object
+        additionalProperties: false
+
         properties:
           sound-dai:
             maxItems: 1
@@ -68,6 +70,8 @@ patternProperties:
       codec:
         description: Holds subnode which indicates codec dai.
         type: object
+        additionalProperties: false
+
         properties:
           sound-dai:
             maxItems: 1
diff --git a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
index bb3a435722c7..b6f5d486600e 100644
--- a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
+++ b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
@@ -58,6 +58,7 @@ patternProperties:
       cpu:
         description: Holds subnode which indicates cpu dai.
         type: object
+        additionalProperties: false
         properties:
           sound-dai:
             maxItems: 1
@@ -65,6 +66,7 @@ patternProperties:
       codec:
         description: Holds subnode which indicates codec dai.
         type: object
+        additionalProperties: false
         properties:
           sound-dai:
             minItems: 1
diff --git a/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml b/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml
index 4fa179909c62..478be7e3fa29 100644
--- a/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml
+++ b/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml
@@ -30,6 +30,8 @@ properties:
 
   headset-codec:
     type: object
+    additionalProperties: false
+
     properties:
       sound-dai:
         $ref: /schemas/types.yaml#/definitions/phandle
@@ -38,6 +40,8 @@ properties:
 
   speaker-codecs:
     type: object
+    additionalProperties: false
+
     properties:
       sound-dai:
         minItems: 1
diff --git a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
index e6e27d09783e..a3a4289f713e 100644
--- a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
@@ -71,6 +71,8 @@ patternProperties:
       cpu:
         description: Holds subnode which indicates cpu dai.
         type: object
+        additionalProperties: false
+
         properties:
           sound-dai:
             maxItems: 1
@@ -78,6 +80,8 @@ patternProperties:
       platform:
         description: Holds subnode which indicates platform dai.
         type: object
+        additionalProperties: false
+
         properties:
           sound-dai:
             maxItems: 1
@@ -85,6 +89,8 @@ patternProperties:
       codec:
         description: Holds subnode which indicates codec dai.
         type: object
+        additionalProperties: false
+
         properties:
           sound-dai:
             minItems: 1
diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
index e17c0245f77a..268895c90bd5 100644
--- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
+++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
@@ -129,6 +129,8 @@ properties:
     patternProperties:
       "^dvc-[0-1]$":
         type: object
+        additionalProperties: false
+
         properties:
           dmas:
             maxItems: 1
@@ -145,7 +147,7 @@ properties:
     patternProperties:
       "^mix-[0-1]$":
         type: object
-        # no properties
+        additionalProperties: false
     additionalProperties: false
 
   rcar_sound,ctu:
@@ -154,7 +156,7 @@ properties:
     patternProperties:
       "^ctu-[0-7]$":
         type: object
-        # no properties
+        additionalProperties: false
     additionalProperties: false
 
   rcar_sound,src:
@@ -163,6 +165,8 @@ properties:
     patternProperties:
       "^src-[0-9]$":
         type: object
+        additionalProperties: false
+
         properties:
           interrupts:
             maxItems: 1
@@ -186,6 +190,8 @@ properties:
     patternProperties:
       "^ssiu-[0-9]+$":
         type: object
+        additionalProperties: false
+
         properties:
           dmas:
             maxItems: 2
@@ -206,6 +212,8 @@ properties:
     patternProperties:
       "^ssi-[0-9]$":
         type: object
+        additionalProperties: false
+
         properties:
           interrupts:
             maxItems: 1
@@ -243,6 +251,8 @@ properties:
     patternProperties:
       "^dai([0-9]+)?$":
         type: object
+        additionalProperties: false
+
         properties:
           playback:
             $ref: /schemas/types.yaml#/definitions/phandle-array
diff --git a/Documentation/devicetree/bindings/sound/samsung,aries-wm8994.yaml b/Documentation/devicetree/bindings/sound/samsung,aries-wm8994.yaml
index a01c4ad929b8..447e013f6e17 100644
--- a/Documentation/devicetree/bindings/sound/samsung,aries-wm8994.yaml
+++ b/Documentation/devicetree/bindings/sound/samsung,aries-wm8994.yaml
@@ -23,6 +23,7 @@ properties:
 
   cpu:
     type: object
+    additionalProperties: false
     properties:
       sound-dai:
         minItems: 2
@@ -34,6 +35,7 @@ properties:
       - sound-dai
 
   codec:
+    additionalProperties: false
     type: object
     properties:
       sound-dai:
diff --git a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
index ec50bcb4af5f..31095913e330 100644
--- a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
+++ b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
@@ -19,6 +19,7 @@ properties:
 
   cpu:
     type: object
+    additionalProperties: false
     properties:
       sound-dai:
         maxItems: 1
@@ -28,6 +29,7 @@ properties:
 
   codec:
     type: object
+    additionalProperties: false
     properties:
       sound-dai:
         maxItems: 1
diff --git a/Documentation/devicetree/bindings/sound/samsung,snow.yaml b/Documentation/devicetree/bindings/sound/samsung,snow.yaml
index 51a83d3c7274..3d49aa4c9be2 100644
--- a/Documentation/devicetree/bindings/sound/samsung,snow.yaml
+++ b/Documentation/devicetree/bindings/sound/samsung,snow.yaml
@@ -19,6 +19,7 @@ properties:
 
   codec:
     type: object
+    additionalProperties: false
     properties:
       sound-dai:
         description: List of phandles to the CODEC and HDMI IP nodes.
@@ -30,6 +31,7 @@ properties:
 
   cpu:
     type: object
+    additionalProperties: false
     properties:
       sound-dai:
         description: Phandle to the Samsung I2S controller.
diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml b/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml
index fe2e15504ebc..1a3abc949505 100644
--- a/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml
+++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml
@@ -60,6 +60,7 @@ required:
 patternProperties:
   "^audio-controller@[0-9a-f]+$":
     type: object
+    additionalProperties: false
     description:
       Two subnodes corresponding to SAI sub-block instances A et B
       can be defined. Subnode can be omitted for unsused sub-block.
