arm64: dts: rockchip: Enable second HDMI output on CM3588

Enable the second HDMI output port found on FriendlyElec CM3588 and CM3588 Plus

Signed-off-by: David Petry <petry103@gmail.com>
Link: https://patch.msgid.link/20251021160603.96934-1-petry103@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Author: devryd

arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588-nas.dts

@@ -101,6 +101,17 @@
 		};
 	};
 
+	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 +346,22 @@
 	};
 };
 
+&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>;
+	};
+};
+
 &hdmi_receiver_cma {
 	status = "okay";
 };
@@ -350,6 +377,10 @@
 	status = "okay";
 };
 
+&hdptxphy1 {
+	status = "okay";
+};
+
 /* Connected to MIPI-DSI0 */
 &i2c5 {
 	pinctrl-names = "default";
@@ -840,3 +871,10 @@
 		remote-endpoint = <&hdmi0_in_vp0>;
 	};
 };
+
+&vp1 {
+	vp1_out_hdmi1: endpoint@ROCKCHIP_VOP2_EP_HDMI1 {
+		reg = <ROCKCHIP_VOP2_EP_HDMI1>;
+		remote-endpoint = <&hdmi1_in_vp1>;
+	};
+};