diff --git a/include/dt-bindings/clock/rk3399-cru.h b/include/dt-bindings/clock/rk3399-cru.h
index 0fc9e7a00b27..d32ce0128519 100644
--- a/include/dt-bindings/clock/rk3399-cru.h
+++ b/include/dt-bindings/clock/rk3399-cru.h
@@ -16,7 +16,7 @@
 #ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3399_H
 #define _DT_BINDINGS_CLK_ROCKCHIP_RK3399_H
 
-/* #define RK3399_TWO_PLL_FOR_VOP */
+#define RK3399_TWO_PLL_FOR_VOP
 
 /* core clocks */
 #define PLL_APLLL			1