kernel/Documentation/devicetree/bindings/arm/armv7m_systick.txt

   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 };