diff --git a/arch/arm/boot/dts/rk3288-evb-rk628-hdmi2csi-avb.dts b/arch/arm/boot/dts/rk3288-evb-rk628-hdmi2csi-avb.dts
index 2dedad2a8efe..be8b10aac823 100644
--- a/arch/arm/boot/dts/rk3288-evb-rk628-hdmi2csi-avb.dts
+++ b/arch/arm/boot/dts/rk3288-evb-rk628-hdmi2csi-avb.dts
@@ -124,3 +124,7 @@
 		};
 	};
 };
+
+&isp_mmu {
+	status = "okay";
+};