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diff --git a/kernel/Documentation/devicetree/bindings/video/exynos_mixer.txt b/kernel/Documentation/devicetree/bindings/video/exynos_mixer.txt
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+Device-Tree bindings for mixer driver
+
+Required properties:
+- compatible: value should be one of the following:
+	1) "samsung,exynos5-mixer" <DEPRECATED>
+	2) "samsung,exynos4210-mixer"
+	3) "samsung,exynos4212-mixer"
+	4) "samsung,exynos5250-mixer"
+	5) "samsung,exynos5420-mixer"
+
+- reg: physical base address of the mixer and length of memory mapped
+	region.
+- interrupts: interrupt number to the cpu.
+- clocks: list of clock IDs from SoC clock driver.
+	a) mixer: Gate of Mixer IP bus clock.
+	b) sclk_hdmi: HDMI Special clock, one of the two possible inputs of
+               mixer mux.
+	c) hdmi: Gate of HDMI IP bus clock, needed together with sclk_hdmi.
+
+Example:
+
+	mixer {
+		compatible = "samsung,exynos5250-mixer";
+		reg = <0x14450000 0x10000>;
+		interrupts = <0 94 0>;
+	};