[deliverable/linux.git] / Documentation / devicetree / bindings / arm / armv7m_systick.txt

* 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>;
};
Commit	Line	Data
571fc8e8 MC	1	* ARMv7M System Timer
	2
	3	ARMv7-M includes a system timer, known as SysTick. Current driver only
	4	implements the clocksource feature.
	5
	6	Required properties:
	7	- compatible : Should be "arm,armv7m-systick"
	8	- reg : The address range of the timer
	9
	10	Required clocking property, have to be one of:
	11	- clocks : The input clock of the timer
	12	- clock-frequency : The rate in HZ in input of the ARM SysTick
	13
	14	Examples:
	15
	16	systick: timer@e000e010 {
	17	compatible = "arm,armv7m-systick";
	18	reg = <0xe000e010 0x10>;
	19	clocks = <&clk_systick>;
	20	};
	21
	22	systick: timer@e000e010 {
	23	compatible = "arm,armv7m-systick";
	24	reg = <0xe000e010 0x10>;
	25	clock-frequency = <90000000>;
	26	};