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diff --git a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt
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+Mediatek MT6577, MT6572 and MT6589 Timers
+---------------------------------------
+
+Required properties:
+- compatible: Should be "mediatek,mt6577-timer"
+- reg: Should contain location and length for timers register.
+- clocks: Clocks driving the timer hardware. This list should include two
+        clocks. The order is system clock and as second clock the RTC clock.
+
+Examples:
+
+        timer@10008000 {
+                compatible = "mediatek,mt6577-timer";
+                reg = <0x10008000 0x80>;
+                interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>;
+                clocks = <&system_clk>, <&rtc_clk>;
+        };