diff --git a/Documentation/devicetree/bindings/arm/rockchip/pmu.yaml b/Documentation/devicetree/bindings/arm/rockchip/pmu.yaml
index 932f981265cc..52016a141227 100644
--- a/Documentation/devicetree/bindings/arm/rockchip/pmu.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip/pmu.yaml
@@ -53,11 +53,17 @@ properties:
   reg:
     maxItems: 1
 
+  power-controller:
+    type: object
+
+  reboot-mode:
+    type: object
+
 required:
   - compatible
   - reg
 
-additionalProperties: true
+additionalProperties: false
 
 examples:
   - |