arm64: dts: rockchip: Add overlay for 4K DP and 2.5K HDMI on RK3576

Signed-off-by: Alexey Charkov <alchark@flipper.net>

Author: alchark

arch/arm64/boot/dts/rockchip/Makefile

@@ -167,6 +167,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-wolfvision-pf5-io-expander.dtbo
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-100ask-dshanpi-a1.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-armsom-sige5.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-armsom-sige5-v1.2-wifibt.dtbo
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-dp-4k-hdmi-2.5k.dtbo
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb1-v10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb1-v10-pcie1.dtbo
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb2-v10.dtb
@@ -295,14 +296,26 @@ rk3568-wolfvision-pf5-vz-2-uhd-dtbs := rk3568-wolfvision-pf5.dtb \
 	rk3568-wolfvision-pf5-display-vz.dtbo \
 	rk3568-wolfvision-pf5-io-expander.dtbo
 
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-armsom-sige5-dp-4k-hdmi-2.5k.dtb
+rk3576-armsom-sige5-dp-4k-hdmi-2.5k-dtbs := rk3576-armsom-sige5.dtb \
+	rk3576-dp-4k-hdmi-2.5k.dtbo
+
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-armsom-sige5-v1.2-wifibt.dtb
 rk3576-armsom-sige5-v1.2-wifibt-dtbs := rk3576-armsom-sige5.dtb \
 	rk3576-armsom-sige5-v1.2-wifibt.dtbo
 
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb1-v10-dp-4k-hdmi-2.5k.dtb
+rk3576-evb1-v10-dp-4k-hdmi-2.5k-dtbs := rk3576-evb1-v10.dtb \
+	rk3576-dp-4k-hdmi-2.5k.dtbo
+
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb1-v10-pcie1.dtb
 rk3576-evb1-v10-pcie1-dtbs := rk3576-evb1-v10.dtb \
 	rk3576-evb1-v10-pcie1.dtbo
 
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-flipper-one-dp-4k-hdmi-2.5k.dtb
+rk3576-flipper-one-dp-4k-hdmi-2.5k-dtbs := rk3576-flipper-one-rev-f0b0c1.dtb \
+	rk3576-dp-4k-hdmi-2.5k.dtbo
+
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-flipper-one-i2c2-free.dtb
 rk3576-flipper-one-i2c2-free-dtbs := rk3576-flipper-one-rev-f0b0c1.dtb \
 	rk3576-flipper-one-i2c2-free.dtbo

arch/arm64/boot/dts/rockchip/rk3576-dp-4k-hdmi-2.5k.dtso

@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * DT-overlay to switch from the default HDMI 4k and DP 2.5k mode to DP 4K and
+ * HDMI 2.5k mode. Should be applicable for any boards having both HDMI and DP
+ */
+
+#include <dt-bindings/soc/rockchip,vop2.h>
+
+/dts-v1/;
+/plugin/;
+
+&dp {
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		dp0_in: port@0 {
+			reg = <0>;
+		};
+	};
+};
+
+&dp0_in {
+	dp0_in_vp0: endpoint {
+		remote-endpoint = <&vp0_out_dp0>;
+	};
+};
+
+&hdmi {
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		hdmi_in: port@0 {
+			reg = <0>;
+		};
+	};
+};
+
+&hdmi_in {
+	hdmi_in_vp1: endpoint {
+		remote-endpoint = <&vp1_out_hdmi>;
+	};
+};
+
+&vop {
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		vp0: port@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+
+		vp1: port@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+	};
+};
+
+&vp0 {
+	vp0_out_dp0: endpoint@a {
+		reg = <ROCKCHIP_VOP2_EP_DP0>;
+		remote-endpoint = <&dp0_in_vp0>;
+	};
+};
+
+&vp1 {
+	vp1_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 {
+		reg = <ROCKCHIP_VOP2_EP_HDMI0>;
+		remote-endpoint = <&hdmi_in_vp1>;
+	};
+};