[PATCH v2 2/2] arm64: dts: mediatek: mt8395-radxa-nio-12l: Add Radxa 8 HD panel

[Julien Massot <julien.massot@collabora.com>]

The Radxa 8 HD touchscreen can be used with various Radxa board
and is sold appart from the Radxa NIO 12L development kit.

Add a DTS overlay for this panel.

Signed-off-by: Julien Massot <julien.massot@collabora.com>
---
 arch/arm64/boot/dts/mediatek/Makefile              |  2 +
 .../mediatek/mt8395-radxa-nio-12l-8-hd-panel.dtso  | 84 ++++++++++++++++++++++
 2 files changed, 86 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index ae1147eca9a915f117487101e2ad4acead97adfe..58484e8300632edbdef24bbda33ccf00db9df937 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -100,9 +100,11 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-genio-1200-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8390-genio-700-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-kontron-3-5-sbc-i1200.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-radxa-nio-12l.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-radxa-nio-12l-8-hd-panel.dtbo
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb
 
 # Device tree overlays support
 DTC_FLAGS_mt7986a-bananapi-bpi-r3 := -@
 DTC_FLAGS_mt7986a-bananapi-bpi-r3-mini := -@
 DTC_FLAGS_mt7988a-bananapi-bpi-r4 := -@
+DTC_FLAGS_mt8395-radxa-nio-12l := -@
diff --git a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l-8-hd-panel.dtso b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l-8-hd-panel.dtso
new file mode 100644
index 0000000000000000000000000000000000000000..0389c9cb8581c0bb50bb38fd35d1190de13feb6e
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l-8-hd-panel.dtso
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Radxa Display 8 HD touchscreen module
+ * Copyright (C) 2025 Collabora Ltd.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+&backlight {
+	status = "okay";
+};
+
+&disp_pwm0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm0_default_pins>;
+	status = "okay";
+};
+
+&dsi0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	panel@0 {
+		compatible = "radxa,display-8hd-ad002", "jadard,jd9365da-h3";
+		reg = <0>;
+		backlight = <&backlight>;
+		vdd-supply = <&mt6359_vcn33_2_bt_ldo_reg>;
+		vccio-supply = <&mt6360_ldo2>;
+		reset-gpios = <&pio 108 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&panel_default_pins>;
+
+		port {
+			dsi_panel_in: endpoint {
+				remote-endpoint = <&dsi0_out>;
+			};
+		};
+	};
+};
+
+&dsi0_out {
+	remote-endpoint = <&dsi_panel_in>;
+};
+
+&i2c4 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	touchscreen@14 {
+		compatible = "goodix,gt911";
+		reg = <0x14>;
+		interrupts-extended = <&pio 132 IRQ_TYPE_EDGE_RISING>;
+		irq-gpios = <&pio 132 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&pio 133 GPIO_ACTIVE_HIGH>;
+		VDDIO-supply = <&mt6359_vcn33_2_bt_ldo_reg>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&touch_pins>;
+	};
+};
+
+&mipi_tx0 {
+	status = "okay";
+};
+
+&ovl0_in {
+	remote-endpoint = <&vdosys0_ep_main>;
+};
+
+&vdosys0 {
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		vdosys0_ep_main: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&ovl0_in>;
+		};
+	};
+};

-- 
2.48.1