diff options
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/arm/armv7m_systick.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/arm/armv7m_systick.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/arm/armv7m_systick.txt b/kernel/Documentation/devicetree/bindings/arm/armv7m_systick.txt new file mode 100644 index 000000000..7cf4a2460 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/arm/armv7m_systick.txt @@ -0,0 +1,26 @@ +* 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>; +}; |