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diff --git a/Documentation/devicetree/bindings/display/exynos/exynos_mixer.txt b/Documentation/devicetree/bindings/display/exynos/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>;
+        };