--- a/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
@@ -8,6 +8,7 @@
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
 #include "rk3328.dtsi"
+#include "rk3328-dram-dmc.dtsi"
 
 / {
 	model = "FriendlyElec NanoPi R2S";
@@ -139,6 +140,10 @@
 	cpu-supply = <&vdd_arm>;
 };
 
+&dfi {
+	status = "okay";
+};
+
 &display_subsystem {
 	status = "disabled";
 };
--- a/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dts
@@ -5,6 +5,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/leds/common.h>
 #include "rk3328.dtsi"
+#include "rk3328-dram-dmc.dtsi"
 
 / {
 	model = "Xunlong Orange Pi R1 Plus";
@@ -100,6 +101,10 @@
 	cpu-supply = <&vdd_arm>;
 };
 
+&dfi {
+	status = "okay";
+};
+
 &display_subsystem {
 	status = "disabled";
 };