Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/src/arm/sunplus/sunplus-sp7021-demo-v3.dts b/src/arm/sunplus/sunplus-sp7021-demo-v3.dts
new file mode 100644
index 0000000..d5c5ffc
--- /dev/null
+++ b/src/arm/sunplus/sunplus-sp7021-demo-v3.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for Sunplus SP7021 Demo V3 SBC board
+ *
+ * Copyright (C) Sunplus Technology Co.
+ */
+
+/dts-v1/;
+
+#include "sunplus-sp7021-achip.dtsi"
+
+/ {
+	compatible = "sunplus,sp7021-demo-v3", "sunplus,sp7021";
+	model = "Sunplus SP7021/CA7/Demo_V3";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x00000000 0x20000000>;
+	};
+};