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diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-sdram-controller.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-sdram-controller.txt
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+Altera SOCFPGA SDRAM Controller
+
+Required properties:
+- compatible : Should contain "altr,sdr-ctl" and "syscon".
+  syscon is required by the Altera SOCFPGA SDRAM EDAC.
+- reg : Should contain 1 register range (address and length)
+
+Example:
+	sdr: sdr@ffc25000 {
+		compatible = "altr,sdr-ctl", "syscon";
+		reg = <0xffc25000 0x1000>;
+	};