diff --git a/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml b/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml
index 43eaca90d88c..18025e5f60d6 100644
--- a/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml
@@ -4,14 +4,16 @@
 $id: http://devicetree.org/schemas/phy/spacemit,usb2-phy.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: SpacemiT K1 SoC USB 2.0 PHY
+title: SpacemiT K1/K3 SoC USB 2.0 PHY
 
 maintainers:
   - Ze Huang <huang.ze@linux.dev>
 
 properties:
   compatible:
-    const: spacemit,k1-usb2-phy
+    enum:
+      - spacemit,k1-usb2-phy
+      - spacemit,k3-usb2-phy
 
   reg:
     maxItems: 1