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diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.txt b/Documentation/devicetree/bindings/serial/sprd-uart.txt
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+* Spreadtrum serial UART
+
+Required properties:
+- compatible: must be one of:
+  * "sprd,sc9836-uart"
+  * "sprd,sc9860-uart", "sprd,sc9836-uart"
+
+- reg: offset and length of the register set for the device
+- interrupts: exactly one interrupt specifier
+- clocks: phandles to input clocks.
+
+Example:
+	uart0: serial@0 {
+		compatible = "sprd,sc9860-uart",
+			     "sprd,sc9836-uart";
+		reg = <0x0 0x100>;
+		interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&ext_26m>;
+	};