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diff --git a/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt b/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt
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+++ b/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt
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+* Atmel SDHCI controller
+
+This file documents the differences between the core properties in
+Documentation/devicetree/bindings/mmc/mmc.txt and the properties used by the
+sdhci-of-at91 driver.
+
+Required properties:
+- compatible:		Must be "atmel,sama5d2-sdhci".
+- clocks:		Phandlers to the clocks.
+- clock-names:		Must be "hclock", "multclk", "baseclk";
+
+
+Example:
+
+sdmmc0: sdio-host@a0000000 {
+	compatible = "atmel,sama5d2-sdhci";
+	reg = <0xa0000000 0x300>;
+	interrupts = <31 IRQ_TYPE_LEVEL_HIGH 0>;
+	clocks = <&sdmmc0_hclk>, <&sdmmc0_gclk>, <&main>;
+	clock-names = "hclock", "multclk", "baseclk";
+};