diff --git a/patch/kernel/archive/rockchip64-6.18/rk3588-1210-arm64-dts-rockchip-Enable-HDMI1-and-audio-for-HDMI0and1.patch b/patch/kernel/archive/rockchip64-6.18/rk3588-1210-arm64-dts-rockchip-Enable-HDMI1-and-audio-for-HDMI0and1.patch
new file mode 100644
index 0000000000..45ae8c9e83
--- /dev/null
+++ b/patch/kernel/archive/rockchip64-6.18/rk3588-1210-arm64-dts-rockchip-Enable-HDMI1-and-audio-for-HDMI0and1.patch
@@ -0,0 +1,88 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Ricardo Pardini <ricardo@pardini.net>
+Date: Sun, 28 Dec 2025 00:30:12 +0100
+Subject: arm64: dts: rockchip: Enable HDMI1 and audio for HDMI0/1 on CM3588
+
+Signed-off-by: Ricardo Pardini <ricardo@pardini.net>
+---
+ arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588-nas.dts | 46 ++++++++++
+ 1 file changed, 46 insertions(+)
+
+diff --git a/arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588-nas.dts b/arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588-nas.dts
+index 111111111111..222222222222 100644
+--- a/arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588-nas.dts
++++ b/arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588-nas.dts
+@@ -101,6 +101,17 @@ hdmi0_con_in: endpoint {
+ 		};
+ 	};
+ 
++	hdmi1-con {
++		compatible = "hdmi-connector";
++		type = "a";
++
++		port {
++			hdmi1_con_in: endpoint {
++				remote-endpoint = <&hdmi1_out_con>;
++			};
++		};
++	};
++
+ 	ir-receiver {
+ 		compatible = "gpio-ir-receiver";
+ 		gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_LOW>;
+@@ -335,6 +346,30 @@ hdmi0_out_con: endpoint {
+ 	};
+ };
+ 
++&hdmi0_sound {
++	status = "okay";
++};
++
++&hdmi1 {
++	status = "okay";
++};
++
++&hdmi1_in {
++	hdmi1_in_vp1: endpoint {
++		remote-endpoint = <&vp1_out_hdmi1>;
++	};
++};
++
++&hdmi1_out {
++	hdmi1_out_con: endpoint {
++		remote-endpoint = <&hdmi1_con_in>;
++	};
++};
++
++&hdmi1_sound {
++	status = "okay";
++};
++
+ &hdmi_receiver_cma {
+ 	status = "okay";
+ };
+@@ -350,6 +385,10 @@ &hdptxphy0 {
+ 	status = "okay";
+ };
+ 
++&hdptxphy1 {
++	status = "okay";
++};
++
+ /* Connected to MIPI-DSI0 */
+ &i2c5 {
+ 	pinctrl-names = "default";
+@@ -840,3 +879,10 @@ vp0_out_hdmi0: endpoint@ROCKCHIP_VOP2_EP_HDMI0 {
+ 		remote-endpoint = <&hdmi0_in_vp0>;
+ 	};
+ };
++
++&vp1 {
++	vp1_out_hdmi1: endpoint@ROCKCHIP_VOP2_EP_HDMI1 {
++		reg = <ROCKCHIP_VOP2_EP_HDMI1>;
++		remote-endpoint = <&hdmi1_in_vp1>;
++	};
++};
+-- 
+Armbian
+