unchanged:
--- b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4-rev00.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4-rev00.dts
@@ -22,6 +22,48 @@
 / {
 	model = "FriendlyElec NanoPC-T4";
 	compatible = "friendlyelec,nanopc-t4", "rockchip,rk3399";
+
+	fiq_debugger: fiq-debugger {
+		compatible = "rockchip,fiq-debugger";
+		rockchip,serial-id = <2>;
+		rockchip,signal-irq = <182>;
+		rockchip,wake-irq = <0>;
+		rockchip,irq-mode-enable = <1>;  /* If enable uart uses irq instead of fiq */
+		rockchip,baudrate = <1500000>;  /* Only 115200 and 1500000 */
+		pinctrl-names = "default";
+		pinctrl-0 = <&uart2c_xfer>;
+	};
+
+	xin32k: xin32k {
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+		clock-output-names = "xin32k";
+		#clock-cells = <0>;
+	};
+
+	cdn_dp: dp@fec00000 {
+		status = "okay";
+	};
+
+	edp: edp@ff970000 {
+		status = "disabled";
+		/delete-node/ edp_hpd;
+	};
+
+};
+
+&display_subsystem {
+
+	route {
+		route_hdmi: route-hdmi {
+			status = "okay";
+		};
+		
+		route_edp: route-edp {
+			status = "okay";
+		};
+	};
+
 };
 
 &mach {
@@ -38,0 +81,10 @@
+
+
+&edp {
+	status = "okay";
+};
+
+&cdn_dp {
+	status = "okay";
+};
+
unchanged:
--- a/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays
+++ b/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays
@@ -8,10 +8,14 @@ rockchip (Rockchip)
 
 ### Provided overlays:
 
-- i2c7, i2c8, pcie-gen2, spi-spidev, uart4, w1-gpio
+- i2c7, i2c8, pcie-gen2, spi-spidev, uart4, w1-gpio, enable-edp
 
 ### Overlay details:
 
+### enable-edp
+
+Enables the eDP display out on NanoPC-T4 and others
+
 ### i2c7
 
 Activates TWI/I2C bus 7
unchanged:
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-enable-edp.dts
@@ -0,0 +1,15 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "friendlyelec,nanopc-t4", "rockchip,rk3399";
+
+	fragment@0 {
+		target = <edp>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+};
only in patch2:
unchanged:
--- a/arch/arm64/boot/dts/rockchip/overlay/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlay/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
+	rockchip-enable-edp.dtbo \
 	rockchip-i2c7.dtbo \
 	rockchip-i2c8.dtbo \
 	rockchip-pcie-gen2.dtbo \
only in patch2:
unchanged:
--- a/arch/arm64/boot/dts/rockchip/overlay/rockchip-enable-edp.dts
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-enable-edp.dts
@@ -5,7 +5,25 @@
 	compatible = "friendlyelec,nanopc-t4", "rockchip,rk3399";
 
 	fragment@0 {
-		target = <edp>;
+		target-path = "/edp@ff970000";
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&display_subsystem>;
+
+		__overlay__ {
+			route_edp: route-edp {
+				status = "okay";
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&edp>;
 
 		__overlay__ {
 			status = "okay";
only in patch2:
unchanged:
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4-rev00.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4-rev00.dts
@@ -60,7 +60,7 @@
 		};
 		
 		route_edp: route-edp {
-			status = "okay";
+			status = "disabled";
 		};
 	};
 
@@ -81,7 +81,7 @@
 
 
 &edp {
-	status = "okay";
+	status = "disabled";
 };
 
 &cdn_dp {