diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
index 9ae514fa7533..d3cd7997879f 100644
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
@@ -31,8 +31,14 @@ properties:
       - const: pipe
 
   resets:
+    minItems: 1
+    maxItems: 2
+
+  reset-names:
+    minItems: 1
     items:
-      - description: exclusive PHY reset line
+      - const: phy
+      - const: apb
 
   rockchip,enable-ssc:
     type: boolean
@@ -78,6 +84,32 @@ required:
   - rockchip,pipe-phy-grf
   - "#phy-cells"
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3568-naneng-combphy
+    then:
+      properties:
+        resets:
+          maxItems: 1
+        reset-names:
+          maxItems: 1
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3588-naneng-combphy
+    then:
+      properties:
+        resets:
+          minItems: 2
+        reset-names:
+          minItems: 2
+      required:
+        - reset-names
+
 additionalProperties: false
 
 examples: