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+* ARMv7M System Timer
+
+ARMv7-M includes a system timer, known as SysTick. Current driver only
+implements the clocksource feature.
+
+Required properties:
+- compatible : Should be "arm,armv7m-systick"
+- reg : The address range of the timer
+
+Required clocking property, have to be one of:
+- clocks : The input clock of the timer
+- clock-frequency : The rate in HZ in input of the ARM SysTick
+
+Examples:
+
+systick: timer@e000e010 {
+ compatible = "arm,armv7m-systick";
+ reg = <0xe000e010 0x10>;
+ clocks = <&clk_systick>;
+};
+
+systick: timer@e000e010 {
+ compatible = "arm,armv7m-systick";
+ reg = <0xe000e010 0x10>;
+ clock-frequency = <90000000>;
+};