linux-kernel - [PATCH] arm64: dts: rockchip: Enable second HDMI output on CM3588

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Message-ID: <20251019142053.11047-1-petry103@gmail.com>
Date: Sun, 19 Oct 2025 16:20:53 +0200
From: David Petry <petry103@...il.com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	heiko@...ech.de
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	David Petry <petry103@...il.com>
Subject: [PATCH] arm64: dts: rockchip: Enable second HDMI output on CM3588

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

Signed-off-by: David Petry <petry103@...il.com>
---
 .../rk3588-friendlyelec-cm3588-nas.dts        | 38 +++++++++++++++++++
 1 file changed, 38 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 5fbbeb6f5a935..10a7d3691a26f 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 +346,22 @@ hdmi0_out_con: endpoint {
 	};
 };
 
+&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 @@ &hdptxphy0 {
 	status = "okay";
 };
 
+&hdptxphy1 {
+	status = "okay";
+};
+
 /* Connected to MIPI-DSI0 */
 &i2c5 {
 	pinctrl-names = "default";
@@ -840,3 +871,10 @@ vp0_out_hdmi0: endpoint@...KCHIP_VOP2_EP_HDMI0 {
 		remote-endpoint = <&hdmi0_in_vp0>;
 	};
 };
+
+&vp1 {
+	vp1_out_hdmi1: endpoint@...KCHIP_VOP2_EP_HDMI1 {
+		reg = <ROCKCHIP_VOP2_EP_HDMI1>;
+		remote-endpoint = <&hdmi1_in_vp1>;
+	};
+};
-- 
2.47.3