[PATCH 13/13] arm64: dts: rockchip: add dm-m10r800-v3s overlay for roc-rk3576-pc

[Heiko Stuebner]

Add DT-overlay for the DM-M10R800-V3S display module when connected to
the ROC-RK3576-PC board. It contains a bestar,bsd1218-a101kl68 display
and a Goodix GT911 touchscreen in one enclosed case.

Signed-off-by: Heiko Stuebner <heiko at sntech.de>
---
 arch/arm64/boot/dts/rockchip/Makefile         |   5 +
 .../rk3576-roc-pc-dm-m10r800-v3s.dtso         | 134 ++++++++++++++++++
 2 files changed, 139 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3576-roc-pc-dm-m10r800-v3s.dtso

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 4bf84622db47..f320dd2b5f6f 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -145,6 +145,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-wolfvision-pf5-io-expander.dtbo
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-armsom-sige5.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb1-v10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-roc-pc.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-roc-pc-dm-m10r800-v3s.dtbo
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-rock-4d.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3582-radxa-e52c.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-armsom-sige7.dtb
@@ -225,6 +226,10 @@ rk3568-wolfvision-pf5-vz-2-uhd-dtbs := rk3568-wolfvision-pf5.dtb \
 	rk3568-wolfvision-pf5-display-vz.dtbo \
 	rk3568-wolfvision-pf5-io-expander.dtbo
 
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-roc-pc-dm-m10r800-v3s.dtb
+rk3576-roc-pc-dm-m10r800-v3s-dtbs := rk3576-roc-pc.dtb \
+	rk3576-roc-pc-dm-m10r800-v3s.dtbo
+
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-edgeble-neu6a-wifi.dtb
 rk3588-edgeble-neu6a-wifi-dtbs := rk3588-edgeble-neu6a-io.dtb \
 	rk3588-edgeble-neu6a-wifi.dtbo
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-roc-pc-dm-m10r800-v3s.dtso b/arch/arm64/boot/dts/rockchip/rk3576-roc-pc-dm-m10r800-v3s.dtso
new file mode 100644
index 000000000000..2817cc585c3a
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3576-roc-pc-dm-m10r800-v3s.dtso
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2025 Heiko Stuebner <heiko at sntech.de>
+ *
+ * DM-M10R800-V3S display module for ROC-RK3576-PC
+ * https://en.t-firefly.com/doc/download/303.html
+ *
+ * DT-overlay for the DM-M10R800-V3S display module when connected to a
+ * ROC-RK3576-PC board. It contains a bestar,bsd1218-a101kl68 display
+ * and a Goodix GT911 touchscreen in one enclosed case.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/soc/rockchip,vop2.h>
+
+&{/} {
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		enable-gpios = <&gpio3 RK_PA2 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&mipi_bl_en>;
+		pwms = <&pwm1_6ch_1 0 50000 1>;
+	};
+
+	vcc_tp: regulator-vcc-tp {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-tp";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+		vin-supply = <&vcc5v0_device_s0>;
+	};
+};
+
+&dsi {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	panel at 0 {
+		compatible = "bestar,bsd1218-a101kl68", "ilitek,ili9881c";
+		reg = <0>;
+		backlight = <&backlight>;
+		power-supply = <&vcc3v3_lcd_s0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&lcd_reset_l>;
+		reset-gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_LOW>;
+
+		port {
+			mipi_panel_in: endpoint {
+				remote-endpoint = <&dsi_out_panel>;
+			};
+		};
+	};
+};
+
+&dsi_in {
+	dsi_in_vp1: endpoint {
+		remote-endpoint = <&vp1_out_dsi>;
+	};
+};
+
+&dsi_out {
+	dsi_out_panel: endpoint {
+		remote-endpoint = <&mipi_panel_in>;
+	};
+};
+
+&i2c0 {
+	/* GT911 is limited to 400KHz */
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0m1_xfer>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	touchscreen at 14 {
+		compatible = "goodix,gt911";
+		reg = <0x14>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PC6 IRQ_TYPE_LEVEL_LOW>;
+		irq-gpios = <&gpio0 RK_PC6 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&touch_int>, <&touch_reset>;
+		reset-gpios = <&gpio0 RK_PD0 GPIO_ACTIVE_HIGH>;
+		AVDD28-supply = <&vcc_tp>;
+		VDDIO-supply = <&vcc3v3_lcd_s0>;
+	};
+};
+
+&mipidcphy {
+	status = "okay";
+};
+
+&pinctrl {
+	dsi {
+		lcd_reset_l: lcd-reset-l {
+			rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		mipi_bl_en: mipi-bl-en {
+			rockchip,pins = <3 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	touch {
+		touch_int: touch-int {
+			rockchip,pins = <0 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+
+		touch_reset: touch-reset {
+			rockchip,pins = <0 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&pwm1_6ch_1 {
+	status = "okay";
+};
+
+&vp1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	vp1_out_dsi: endpoint at ROCKCHIP_VOP2_EP_MIPI0 {
+		reg = <ROCKCHIP_VOP2_EP_MIPI0>;
+		remote-endpoint = <&dsi_in_vp1>;
+	};
+};
-- 
2.47.2