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diff --git a/Bindings/mips/lantiq/fpi-bus.txt b/Bindings/mips/lantiq/fpi-bus.txt
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+Lantiq XWAY SoC FPI BUS binding
+============================
+
+
+-------------------------------------------------------------------------------
+Required properties:
+- compatible : Should be one of
+ "lantiq,xrx200-fpi"
+- reg : The address and length of the XBAR
+ configuration register.
+ Address and length of the FPI bus itself.
+- lantiq,rcu : A phandle to the RCU syscon
+- lantiq,offset-endianness : Offset of the endianness configuration
+ register
+
+-------------------------------------------------------------------------------
+Example for the FPI on the xrx200 SoCs:
+ fpi@10000000 {
+ compatible = "lantiq,xrx200-fpi";
+ ranges = <0x0 0x10000000 0xf000000>;
+ reg = <0x1f400000 0x1000>,
+ <0x10000000 0xf000000>;
+ lantiq,rcu = <&rcu0>;
+ lantiq,offset-endianness = <0x4c>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ gptu@e100a00 {
+ ......
+ };
+ };