brcm,bcm2835-system-timer.txt

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    1 BCM2835 System Timer
    2 
    3 The System Timer peripheral provides four 32-bit timer channels and a
    4 single 64-bit free running counter. Each channel has an output compare
    5 register, which is compared against the 32 least significant bits of the
    6 free running counter values, and generates an interrupt.
    7 
    8 Required properties:
    9 
   10 - compatible : should be "brcm,bcm2835-system-timer"
   11 - reg : Specifies base physical address and size of the registers.
   12 - interrupts : A list of 4 interrupt sinks; one per timer channel.
   13 - clock-frequency : The frequency of the clock that drives the counter, in Hz.
   14 
   15 Example:
   16 
   17 timer {
   18         compatible = "brcm,bcm2835-system-timer";
   19         reg = <0x7e003000 0x1000>;
   20         interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
   21         clock-frequency = <1000000>;
   22 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/timer/brcm,bcm2835-system-timer.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/timer/brcm,bcm2835-system-timer.txt