diff --git a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
index b448101fac43e..321802c95308f 100644
--- a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
+++ b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
@@ -42,6 +42,23 @@ properties:
 
 patternProperties:
   "^power-domain@[0-9a-f]+$":
+    $ref: "#/$defs/power-domain-node"
+    patternProperties:
+      "^power-domain@[0-9a-f]+$":
+        $ref: "#/$defs/power-domain-node"
+        patternProperties:
+          "^power-domain@[0-9a-f]+$":
+            $ref: "#/$defs/power-domain-node"
+            patternProperties:
+              "^power-domain@[0-9a-f]+$":
+                $ref: "#/$defs/power-domain-node"
+                unevaluatedProperties: false
+            unevaluatedProperties: false
+        unevaluatedProperties: false
+    unevaluatedProperties: false
+
+$defs:
+  power-domain-node:
     type: object
     description: |
       Represents the power domains within the power controller node as documented
@@ -100,123 +117,9 @@ patternProperties:
         $ref: /schemas/types.yaml#/definitions/phandle
         description: phandle to the device containing the SMI register range.
 
-    patternProperties:
-      "^power-domain@[0-9a-f]+$":
-        type: object
-        description: |
-          Represents a power domain child within a power domain parent node.
-
-        properties:
-
-          '#power-domain-cells':
-            description:
-              Must be 0 for nodes representing a single PM domain and 1 for nodes
-              providing multiple PM domains.
-
-          '#address-cells':
-            const: 1
-
-          '#size-cells':
-            const: 0
-
-          reg:
-            maxItems: 1
-
-          clocks:
-            description: |
-              A number of phandles to clocks that need to be enabled during domain
-              power-up sequencing.
-
-          clock-names:
-            description: |
-              List of names of clocks, in order to match the power-up sequencing
-              for each power domain we need to group the clocks by name. BASIC
-              clocks need to be enabled before enabling the corresponding power
-              domain, and should not have a '-' in their name (i.e mm, mfg, venc).
-              SUSBYS clocks need to be enabled before releasing the bus protection,
-              and should contain a '-' in their name (i.e mm-0, isp-0, cam-0).
-
-              In order to follow properly the power-up sequencing, the clocks must
-              be specified by order, adding first the BASIC clocks followed by the
-              SUSBSYS clocks.
-
-          domain-supply:
-            description: domain regulator supply.
-
-          mediatek,infracfg:
-            $ref: /schemas/types.yaml#/definitions/phandle
-            description: phandle to the device containing the INFRACFG register range.
-
-          mediatek,smi:
-            $ref: /schemas/types.yaml#/definitions/phandle
-            description: phandle to the device containing the SMI register range.
-
-        patternProperties:
-          "^power-domain@[0-9a-f]+$":
-            type: object
-            description: |
-              Represents a power domain child within a power domain parent node.
-
-            properties:
-
-              '#power-domain-cells':
-                description:
-                  Must be 0 for nodes representing a single PM domain and 1 for nodes
-                  providing multiple PM domains.
-
-              '#address-cells':
-                const: 1
-
-              '#size-cells':
-                const: 0
-
-              reg:
-                maxItems: 1
-
-              clocks:
-                description: |
-                  A number of phandles to clocks that need to be enabled during domain
-                  power-up sequencing.
-
-              clock-names:
-                description: |
-                  List of names of clocks, in order to match the power-up sequencing
-                  for each power domain we need to group the clocks by name. BASIC
-                  clocks need to be enabled before enabling the corresponding power
-                  domain, and should not have a '-' in their name (i.e mm, mfg, venc).
-                  SUSBYS clocks need to be enabled before releasing the bus protection,
-                  and should contain a '-' in their name (i.e mm-0, isp-0, cam-0).
-
-                  In order to follow properly the power-up sequencing, the clocks must
-                  be specified by order, adding first the BASIC clocks followed by the
-                  SUSBSYS clocks.
-
-              domain-supply:
-                description: domain regulator supply.
-
-              mediatek,infracfg:
-                $ref: /schemas/types.yaml#/definitions/phandle
-                description: phandle to the device containing the INFRACFG register range.
-
-              mediatek,smi:
-                $ref: /schemas/types.yaml#/definitions/phandle
-                description: phandle to the device containing the SMI register range.
-
-            required:
-              - reg
-
-            additionalProperties: false
-
-        required:
-          - reg
-
-        additionalProperties: false
-
     required:
       - reg
 
-    additionalProperties: false
-
 required:
   - compatible
 
