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diff --git a/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt b/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt
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+* BCM63xx UART
+
+Required properties:
+
+- compatible: "brcm,bcm6345-uart"
+
+- reg: The base address of the UART register bank.
+
+- interrupts: A single interrupt specifier.
+
+- clocks: Clock driving the hardware; used to figure out the baud rate
+  divisor.
+
+Example:
+
+        uart0: serial@14e00520 {
+                compatible = "brcm,bcm6345-uart";
+                reg = <0x14e00520 0x18>;
+                interrupt-parent = <&periph_intc>;
+                interrupts = <2>;
+                clocks = <&periph_clk>;
+        };
+
+        clocks {
+                periph_clk: periph_clk@0 {
+                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
+                        clock-frequency = <54000000>;
+                };
+        };