[PATCH 18/19] riscv: dts: allwinner: add the YuzukiHD Avaota F2 board

[Han Gao via B4 Relay]

From: Han Gao <gaohan at iscas.ac.cn>

Add the YuzukiHD Avaota F2, a V861 board, with its memory and serial
console.

Signed-off-by: Han Gao <gaohan at iscas.ac.cn>
---
 arch/riscv/boot/dts/allwinner/Makefile             |  1 +
 .../boot/dts/allwinner/sun252i-v861-avaota-f2.dts  | 43 ++++++++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/arch/riscv/boot/dts/allwinner/Makefile b/arch/riscv/boot/dts/allwinner/Makefile
index 1c91be38ea16..725919d9a4af 100644
--- a/arch/riscv/boot/dts/allwinner/Makefile
+++ b/arch/riscv/boot/dts/allwinner/Makefile
@@ -9,3 +9,4 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1-lichee-rv.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1-mangopi-mq-pro.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1-nezha.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1s-mangopi-mq.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun252i-v861-avaota-f2.dtb
diff --git a/arch/riscv/boot/dts/allwinner/sun252i-v861-avaota-f2.dts b/arch/riscv/boot/dts/allwinner/sun252i-v861-avaota-f2.dts
new file mode 100644
index 000000000000..e3f5e6c8d350
--- /dev/null
+++ b/arch/riscv/boot/dts/allwinner/sun252i-v861-avaota-f2.dts
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+/* Copyright (c) 2026 Han Gao <gaohan at iscas.ac.cn> */
+
+/dts-v1/;
+
+#include "sun252i-v861.dtsi"
+
+/ {
+	model = "Avaota F2";
+	compatible = "yuzukihd,avaota-f2", "allwinner,sun252i-v861";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	/* U-Boot updates this node with the detected DRAM capacity. */
+	memory at 40000000 {
+		device_type = "memory";
+		reg = <0 0x40000000 0 0x08000000>;
+	};
+
+	reg_vcc3v3: regulator-vcc3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+};
+
+&pio {
+	vcc-ph-supply = <&reg_vcc3v3>;
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_ph_pins>;
+	status = "okay";
+};

-- 
2.55.0