[PATCH 2/2] arm64: dts: nuvoton: Add NuMaker board

Nuvoton MA35D SoC is used on the NuMaker SoM, itself plugged onto a
carrier board labelled NuMaker. Create a DTS including the SoM
description. As a first external component, mention the SPI NAND
connected to the Quad SPI controller.

Signed-off-by: Miquel Raynal <[email protected]>
---
 arch/arm64/boot/dts/nuvoton/Makefile           |  1 +
 arch/arm64/boot/dts/nuvoton/ma35d1-numaker.dts | 37 ++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/arch/arm64/boot/dts/nuvoton/Makefile b/arch/arm64/boot/dts/nuvoton/Makefile
index 3bc9787801a5..4c82109c885a 100644
--- a/arch/arm64/boot/dts/nuvoton/Makefile
+++ b/arch/arm64/boot/dts/nuvoton/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_MA35) += ma35d1-iot-512m.dtb
+dtb-$(CONFIG_ARCH_MA35) += ma35d1-numaker.dtb
 dtb-$(CONFIG_ARCH_MA35) += ma35d1-som-256m.dtb
 dtb-$(CONFIG_ARCH_NPCM) += nuvoton-npcm845-evb.dtb
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-numaker.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-numaker.dts
new file mode 100644
index 000000000000..01f1f800aef8
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-numaker.dts
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0-only OR MIT
+/*
+ * Copyright (C) 2025 Bootlin
+ * Author: Miquel Raynal <[email protected]>
+ */
+
+/dts-v1/;
+#include "ma35d1-som-256m.dts"
+
+&pinctrl {
+	spi-grp {
+		pinctrl_qspi0: qspi0-pins {
+			nuvoton,pins = <3 0 5>,
+				       <3 1 5>,
+				       <3 2 5>,
+				       <3 3 5>,
+				       <3 4 5>,
+				       <3 5 5>;
+			bias-disable;
+			power-source = <1>;
+		};
+	};
+};
+
+&qspi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_qspi0>;
+	status = "okay";
+
+	flash: flash@0 {
+		compatible = "spi-nand";
+		reg = <0>;
+		spi-max-frequency = <30000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <4>;
+	};
+};

-- 
2.54.0