arm64: dts: rockchip: add px30-pp1516 base dtsi and board variants

PP1516 are Touchscreen devices built around the PX30 SoC and companion
devices to PX30-Cobra, again with multiple display options.

The devices feature an EMMC, OTG port and a 720x1280 display with a
touchscreen and camera

Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Link: https://lore.kernel.org/r/20250514150745.2437804-7-heiko@sntech.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Author: Heiko Stuebner

arch/arm64/boot/dts/rockchip/Makefile

@@ -8,6 +8,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-engicam-px30-core-ctouch2.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-engicam-px30-core-ctouch2-of10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-engicam-px30-core-edimm2.2.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-firefly-jd4-core-mb.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-pp1516-ltk050h3146w-a2.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-pp1516-ltk050h3148w.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-ringneck-haikou.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-ringneck-haikou-lvds-9904379.dtbo
 dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-ringneck-haikou-video-demo.dtbo

arch/arm64/boot/dts/rockchip/px30-pp1516-ltk050h3146w-a2.dts

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2025 Cherry Embedded Solutions GmbH
+ */
+
+/dts-v1/;
+#include "px30-pp1516.dtsi"
+
+/ {
+	model = "Theobroma Systems PP-1516 with LTK050H3146W-A2 Display";
+	compatible = "tsd,px30-pp1516-ltk050h3146w-a2", "tsd,px30-pp1516", "rockchip,px30";
+};
+
+&dsi {
+	status = "okay";
+
+	panel@0 {
+		compatible = "leadtek,ltk050h3146w-a2";
+		reg = <0>;
+		backlight = <&backlight>;
+		iovcc-supply = <&vcc_1v8>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&dsp_rst>;
+		reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
+		vci-supply = <&vcc_2v8>;
+
+		port {
+			mipi_in_panel: endpoint {
+				remote-endpoint = <&mipi_out_panel>;
+			};
+		};
+	};
+};
+
+&dsi_out {
+	mipi_out_panel: endpoint {
+		remote-endpoint = <&mipi_in_panel>;
+	};
+};

arch/arm64/boot/dts/rockchip/px30-pp1516-ltk050h3148w.dts

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2025 Cherry Embedded Solutions GmbH
+ */
+
+/dts-v1/;
+#include "px30-pp1516.dtsi"
+
+/ {
+	model = "Theobroma Systems PP-1516 with LTK050H3148W Display";
+	compatible = "tsd,px30-pp1516-ltk050h3148w", "tsd,px30-pp1516", "rockchip,px30";
+};
+
+&dsi {
+	status = "okay";
+
+	panel@0 {
+		compatible = "leadtek,ltk050h3148w";
+		reg = <0>;
+		backlight = <&backlight>;
+		iovcc-supply = <&vcc_1v8>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&dsp_rst>;
+		reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
+		vci-supply = <&vcc_2v8>;
+
+		port {
+			mipi_in_panel: endpoint {
+				remote-endpoint = <&mipi_out_panel>;
+			};
+		};
+	};
+};
+
+&dsi_out {
+	mipi_out_panel: endpoint {
+		remote-endpoint = <&mipi_in_panel>;
+	};
+};