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@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/Makefile | 2 +
.../mediatek/mt8395-radxa-nio-12l-8-hd-panel.dtso | 64 ++++++++++++++++++++++
2 files changed, 66 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..5d633f61a62c3175fbfa133f3ea5b1a6a0b0fec5
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l-8-hd-panel.dtso
@@ -0,0 +1,64 @@
+// 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>
+
+&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>;
+ };
+ };
+ };
+};
+
+&disp_pwm0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_default_pins>;
+ status = "okay";
+};
+
+&dsi0_out {
+ remote-endpoint = <&dsi_panel_in>;
+};
+
+&mipi_tx0 {
+ status = "okay";
+};
+
+&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>;
+ };
+};
--
2.48.1
