diff --git a/include/dt-bindings/phy/phy.h b/include/dt-bindings/phy/phy.h
index b6a1eaf1b339..1f3f866fae7b 100644
--- a/include/dt-bindings/phy/phy.h
+++ b/include/dt-bindings/phy/phy.h
@@ -16,5 +16,6 @@
 #define PHY_TYPE_USB2		3
 #define PHY_TYPE_USB3		4
 #define PHY_TYPE_UFS		5
+#define PHY_TYPE_DP		6
 
 #endif /* _DT_BINDINGS_PHY */