diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
index 766e9109b2f7..9f68142c9ae3 100644
--- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
+++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml
@@ -12,70 +12,59 @@ maintainers:
 select: false
 
 properties:
-  port:
-    description: single OF-Graph subnode
+  reg:
+    maxItems: 1
+  prefix:
+    description: "device name prefix"
+    $ref: /schemas/types.yaml#/definitions/string
+  convert-rate:
+    description: CPU to Codec rate convert.
+    $ref: /schemas/types.yaml#/definitions/uint32
+  convert-channels:
+    description: CPU to Codec rate channels.
+    $ref: /schemas/types.yaml#/definitions/uint32
+patternProperties:
+  "^endpoint(@[0-9a-f]+)?":
     type: object
     properties:
-      reg:
+      remote-endpoint:
         maxItems: 1
-      prefix:
-        description: "device name prefix"
-        $ref: /schemas/types.yaml#/definitions/string
+      mclk-fs:
+        description: |
+          Multiplication factor between stream rate and codec mclk.
+          When defined, mclk-fs property defined in dai-link sub nodes are
+          ignored.
+        $ref: /schemas/types.yaml#/definitions/uint32
+      frame-inversion:
+        description: dai-link uses frame clock inversion
+        $ref: /schemas/types.yaml#/definitions/flag
+      bitclock-inversion:
+        description: dai-link uses bit clock inversion
+        $ref: /schemas/types.yaml#/definitions/flag
+      frame-master:
+        description: Indicates dai-link frame master.
+        $ref: /schemas/types.yaml#/definitions/phandle
+      bitclock-master:
+        description: Indicates dai-link bit clock master
+        $ref: /schemas/types.yaml#/definitions/phandle
+      dai-format:
+        description: audio format.
+        items:
+          enum:
+            - i2s
+            - right_j
+            - left_j
+            - dsp_a
+            - dsp_b
+            - ac97
+            - pdm
+            - msb
+            - lsb
       convert-rate:
         description: CPU to Codec rate convert.
         $ref: /schemas/types.yaml#/definitions/uint32
       convert-channels:
         description: CPU to Codec rate channels.
         $ref: /schemas/types.yaml#/definitions/uint32
-    patternProperties:
-      "^endpoint(@[0-9a-f]+)?":
-        type: object
-        properties:
-          remote-endpoint:
-            maxItems: 1
-          mclk-fs:
-            description: |
-              Multiplication factor between stream rate and codec mclk.
-              When defined, mclk-fs property defined in dai-link sub nodes are
-              ignored.
-            $ref: /schemas/types.yaml#/definitions/uint32
-          frame-inversion:
-            description: dai-link uses frame clock inversion
-            $ref: /schemas/types.yaml#/definitions/flag
-          bitclock-inversion:
-            description: dai-link uses bit clock inversion
-            $ref: /schemas/types.yaml#/definitions/flag
-          frame-master:
-            description: Indicates dai-link frame master.
-            $ref: /schemas/types.yaml#/definitions/phandle
-          bitclock-master:
-            description: Indicates dai-link bit clock master
-            $ref: /schemas/types.yaml#/definitions/phandle
-          dai-format:
-            description: audio format.
-            items:
-              enum:
-                - i2s
-                - right_j
-                - left_j
-                - dsp_a
-                - dsp_b
-                - ac97
-                - pdm
-                - msb
-                - lsb
-          convert-rate:
-            description: CPU to Codec rate convert.
-            $ref: /schemas/types.yaml#/definitions/uint32
-          convert-channels:
-            description: CPU to Codec rate channels.
-            $ref: /schemas/types.yaml#/definitions/uint32
-
-  ports:
-    description: multi OF-Graph subnode
-    type: object
-    patternProperties:
-      "^port(@[0-9a-f]+)?":
-        $ref: "#/properties/port"
 
 additionalProperties: true
diff --git a/Documentation/devicetree/bindings/sound/marvell,mmp-sspa.yaml b/Documentation/devicetree/bindings/sound/marvell,mmp-sspa.yaml
index 234f64a32184..81f266d66ec5 100644
--- a/Documentation/devicetree/bindings/sound/marvell,mmp-sspa.yaml
+++ b/Documentation/devicetree/bindings/sound/marvell,mmp-sspa.yaml
@@ -9,9 +9,6 @@ title: Marvel SSPA Digital Audio Interface Bindings
 maintainers:
   - Lubomir Rintel <lkundrak@v3.sk>
 
-allOf:
-  - $ref: audio-graph-port.yaml#
-
 properties:
   $nodename:
     pattern: "^audio-controller(@.*)?$"
@@ -54,7 +51,8 @@ properties:
       - const: rx
 
   port:
-    type: object
+    $ref: audio-graph-port.yaml#
+    unevaluatedProperties: false
 
     properties:
       endpoint:
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
index b8645d9c38ac..5f6b37c251a8 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml
@@ -17,9 +17,6 @@ maintainers:
   - Jon Hunter <jonathanh@nvidia.com>
   - Sameer Pujar <spujar@nvidia.com>
 
-allOf:
-  - $ref: audio-graph-port.yaml#
-
 properties:
   $nodename:
     pattern: "^dspk@[0-9a-f]*$"
@@ -59,14 +56,18 @@ properties:
       available instances on a Tegra SoC.
 
   ports:
-    type: object
+    $ref: /schemas/graph.yaml#/properties/ports
     properties:
       port@0:
+        $ref: audio-graph-port.yaml#
+        unevaluatedProperties: false
         description: |
           DSPK ACIF (Audio Client Interface) port connected to the
           corresponding AHUB (Audio Hub) ACIF port.
 
       port@1:
+        $ref: audio-graph-port.yaml#
+        unevaluatedProperties: false
         description: |
           DSPK DAP (Digital Audio Port) interface which can be connected
           to external audio codec for playback.
@@ -80,7 +81,7 @@ required:
   - assigned-clock-parents
   - sound-name-prefix
 
-unevaluatedProperties: false
+additionalProperties: false
 
 examples:
   - |
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml
index 7cee7722df41..19eaacc3f12a 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml
@@ -17,9 +17,6 @@ maintainers:
   - Jon Hunter <jonathanh@nvidia.com>
   - Sameer Pujar <spujar@nvidia.com>
 
-allOf:
-  - $ref: audio-graph-port.yaml#
-
 properties:
   $nodename:
     pattern: "^admaif@[0-9a-f]*$"
@@ -41,6 +38,7 @@ properties:
   dma-names: true
 
   ports:
+    $ref: /schemas/graph.yaml#/properties/ports
     description: |
       Contains list of ACIF (Audio CIF) port nodes for ADMAIF channels.
       The number of port nodes depends on the number of ADMAIF channels
@@ -48,6 +46,11 @@ properties:
       in AHUB (Audio Hub). Each port is capable of data transfers in
       both directions.
 
+    patternProperties:
+      '^port@[0-9]':
+        $ref: audio-graph-port.yaml#
+        unevaluatedProperties: false
+
 if:
   properties:
     compatible:
@@ -92,7 +95,7 @@ required:
   - dmas
   - dma-names
 
-unevaluatedProperties: false
+additionalProperties: false
 
 examples:
   - |
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml
index 61d0c944e972..1118a9488345 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml
@@ -17,9 +17,6 @@ maintainers:
   - Jon Hunter <jonathanh@nvidia.com>
   - Sameer Pujar <spujar@nvidia.com>
 
-allOf:
-  - $ref: audio-graph-port.yaml#
-
 properties:
   $nodename:
     pattern: "^ahub@[0-9a-f]*$"
@@ -60,12 +57,18 @@ properties:
   ranges: true
 
   ports:
+    $ref: /schemas/graph.yaml#/properties/ports
     description: |
       Contains list of ACIF (Audio CIF) port nodes for AHUB (Audio Hub).
       These are connected to ACIF interfaces of AHUB clients. Thus the
       number of port nodes depend on the number of clients that AHUB may
       have depending on the SoC revision.
 
+    patternProperties:
+      '^port@[0-9]':
+        $ref: audio-graph-port.yaml#
+        unevaluatedProperties: false
+
 patternProperties:
   '^i2s@[0-9a-f]+$':
     type: object
@@ -93,7 +96,7 @@ required:
   - "#size-cells"
   - ranges
 
-unevaluatedProperties: false
+additionalProperties: false
 
 examples:
   - |
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
index 89f4f471be24..fd275a575055 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml
@@ -16,9 +16,6 @@ maintainers:
   - Jon Hunter <jonathanh@nvidia.com>
   - Sameer Pujar <spujar@nvidia.com>
 
-allOf:
-  - $ref: audio-graph-port.yaml#
-
 properties:
   $nodename:
     pattern: "^dmic@[0-9a-f]*$"
@@ -60,14 +57,18 @@ properties:
       on the maximum available instances on a Tegra SoC.
 
   ports:
-    type: object
+    $ref: /schemas/graph.yaml#/properties/ports
     properties:
       port@0:
+        $ref: audio-graph-port.yaml#
+        unevaluatedProperties: false
         description: |
           DMIC ACIF (Audio Client Interface) port connected to the
           corresponding AHUB (Audio Hub) ACIF port.
 
       port@1:
+        $ref: audio-graph-port.yaml#
+        unevaluatedProperties: false
         description: |
           DMIC DAP (Digital Audio Port) interface which can be connected
           to external audio codec for capture.
@@ -80,7 +81,7 @@ required:
   - assigned-clocks
   - assigned-clock-parents
 
-unevaluatedProperties: false
+additionalProperties: false
 
 examples:
   - |
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml
index 556460332ffb..38e52e7dbb40 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml
@@ -16,9 +16,6 @@ maintainers:
   - Jon Hunter <jonathanh@nvidia.com>
   - Sameer Pujar <spujar@nvidia.com>
 
-allOf:
-  - $ref: audio-graph-port.yaml#
-
 properties:
   $nodename:
     pattern: "^i2s@[0-9a-f]*$"
@@ -78,14 +75,18 @@ properties:
       on the maximum available instances on a Tegra SoC.
 
   ports:
-    type: object
+    $ref: /schemas/graph.yaml#/properties/ports
     properties:
       port@0:
+        $ref: audio-graph-port.yaml#
+        unevaluatedProperties: false
         description: |
           I2S ACIF (Audio Client Interface) port connected to the
           corresponding AHUB (Audio Hub) ACIF port.
 
       port@1:
+        $ref: audio-graph-port.yaml#
+        unevaluatedProperties: false
         description: |
           I2S DAP (Digital Audio Port) interface which can be connected
           to external audio codec for playback or capture.
@@ -98,7 +99,7 @@ required:
   - assigned-clocks
   - assigned-clock-parents
 
-unevaluatedProperties: false
+additionalProperties: false
 
 examples:
   - |
diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
index 2e1046513603..1e0e14e88913 100644
--- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
+++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml
@@ -111,7 +111,9 @@ properties:
         - pattern: '^dvc\.[0-1]$'
         - pattern: '^clk_(a|b|c|i)$'
 
-  port: true
+  port:
+    $ref: audio-graph-port.yaml#
+    unevaluatedProperties: false
 
 # use patternProperties to avoid naming "xxx,yyy" issue
 patternProperties:
@@ -257,7 +259,6 @@ required:
 
 allOf:
   - $ref: audio-graph.yaml#
-  - $ref: audio-graph-port.yaml#
   - if:
       properties:
         compatible:
