diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
index c2930d65728e..e17c0245f77a 100644
--- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
+++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
@@ -123,9 +123,7 @@ properties:
     $ref: audio-graph-port.yaml#
     unevaluatedProperties: false
 
-# use patternProperties to avoid naming "xxx,yyy" issue
-patternProperties:
-  "^rcar_sound,dvc$":
+  rcar_sound,dvc:
     description: DVC subnode.
     type: object
     patternProperties:
@@ -141,7 +139,7 @@ patternProperties:
           - dma-names
     additionalProperties: false
 
-  "^rcar_sound,mix$":
+  rcar_sound,mix:
     description: MIX subnode.
     type: object
     patternProperties:
@@ -150,7 +148,7 @@ patternProperties:
         # no properties
     additionalProperties: false
 
-  "^rcar_sound,ctu$":
+  rcar_sound,ctu:
     description: CTU subnode.
     type: object
     patternProperties:
@@ -159,7 +157,7 @@ patternProperties:
         # no properties
     additionalProperties: false
 
-  "^rcar_sound,src$":
+  rcar_sound,src:
     description: SRC subnode.
     type: object
     patternProperties:
@@ -182,7 +180,7 @@ patternProperties:
           - dma-names
     additionalProperties: false
 
-  "^rcar_sound,ssiu$":
+  rcar_sound,ssiu:
     description: SSIU subnode.
     type: object
     patternProperties:
@@ -202,7 +200,7 @@ patternProperties:
           - dma-names
     additionalProperties: false
 
-  "^rcar_sound,ssi$":
+  rcar_sound,ssi:
     description: SSI subnode.
     type: object
     patternProperties:
@@ -239,7 +237,7 @@ patternProperties:
     additionalProperties: false
 
   # For DAI base
-  "^rcar_sound,dai$":
+  rcar_sound,dai:
     description: DAI subnode.
     type: object
     patternProperties:
diff --git a/Documentation/devicetree/bindings/sound/simple-card.yaml b/Documentation/devicetree/bindings/sound/simple-card.yaml
index 45fd9fd9eb54..103044bd32eb 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.yaml
+++ b/Documentation/devicetree/bindings/sound/simple-card.yaml
@@ -156,45 +156,45 @@ properties:
     description: User specified audio sound card name.
     $ref: /schemas/types.yaml#/definitions/string
 
-# use patternProperties to avoid naming "xxx,yyy" issue
-patternProperties:
-  "^simple-audio-card,widgets$":
+  simple-audio-card,widgets:
     $ref: "#/definitions/widgets"
-  "^simple-audio-card,routing$":
+  simple-audio-card,routing:
     $ref: "#/definitions/routing"
-  "^simple-audio-card,cpu(@[0-9a-f]+)?":
-    $ref: "#/definitions/dai"
-  "^simple-audio-card,codec(@[0-9a-f]+)?":
-    $ref: "#/definitions/dai"
 
   # common properties
-  "^simple-audio-card,frame-master$":
+  simple-audio-card,frame-master:
     $ref: "#/definitions/frame-master"
-  "^simple-audio-card,bitclock-master$":
+  simple-audio-card,bitclock-master:
     $ref: "#/definitions/bitclock-master"
-  "^simple-audio-card,frame-inversion$":
+  simple-audio-card,frame-inversion:
     $ref: "#/definitions/frame-inversion"
-  "^simple-audio-card,bitclock-inversion$":
+  simple-audio-card,bitclock-inversion:
     $ref: "#/definitions/bitclock-inversion"
-  "^simple-audio-card,format$":
+  simple-audio-card,format:
     $ref: "#/definitions/format"
-  "^simple-audio-card,mclk-fs$":
+  simple-audio-card,mclk-fs:
     $ref: "#/definitions/mclk-fs"
-  "^simple-audio-card,aux-devs$":
+  simple-audio-card,aux-devs:
     $ref: "#/definitions/aux-devs"
-  "^simple-audio-card,convert-rate$":
+  simple-audio-card,convert-rate:
     $ref: "#/definitions/convert-rate"
-  "^simple-audio-card,convert-channels$":
+  simple-audio-card,convert-channels:
     $ref: "#/definitions/convert-channels"
-  "^simple-audio-card,prefix$":
+  simple-audio-card,prefix:
     $ref: "#/definitions/prefix"
-  "^simple-audio-card,pin-switches$":
+  simple-audio-card,pin-switches:
     $ref: "#/definitions/pin-switches"
-  "^simple-audio-card,hp-det-gpio$":
+  simple-audio-card,hp-det-gpio:
     maxItems: 1
-  "^simple-audio-card,mic-det-gpio$":
+  simple-audio-card,mic-det-gpio:
     maxItems: 1
 
+patternProperties:
+  "^simple-audio-card,cpu(@[0-9a-f]+)?$":
+    $ref: "#/definitions/dai"
+  "^simple-audio-card,codec(@[0-9a-f]+)?$":
+    $ref: "#/definitions/dai"
+
   "^simple-audio-card,dai-link(@[0-9a-f]+)?$":
     description: |
       Container for dai-link level properties and the CPU and CODEC sub-nodes.
