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diff --git a/doc/device-tree-bindings/serial/qca,ar9330-uart.txt b/doc/device-tree-bindings/serial/qca,ar9330-uart.txt
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+* Qualcomm Atheros AR9330 High-Speed UART
+
+Required properties:
+
+- compatible: Must be "qca,ar9330-uart"
+
+- reg: Specifies the physical base address of the controller and
+  the length of the memory mapped region.
+
+Additional requirements:
+
+  Each UART port must have an alias correctly numbered in "aliases"
+  node.
+
+Example:
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	uart0: uart@18020000 {
+		compatible = "qca,ar9330-uart";
+		reg = <0x18020000 0x14>;
+	};