The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/timer/ti,keystone-timer.txt

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    1 * Device tree bindings for Texas instruments Keystone timer
    2 
    3 This document provides bindings for the 64-bit timer in the KeyStone
    4 architecture devices. The timer can be configured as a general-purpose 64-bit
    5 timer, dual general-purpose 32-bit timers. When configured as dual 32-bit
    6 timers, each half can operate in conjunction (chain mode) or independently
    7 (unchained mode) of each other.
    8 
    9 It is global timer is a free running up-counter and can generate interrupt
   10 when the counter reaches preset counter values.
   11 
   12 Documentation:
   13 https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
   14 
   15 Required properties:
   16 
   17 - compatible : should be "ti,keystone-timer".
   18 - reg : specifies base physical address and count of the registers.
   19 - interrupts : interrupt generated by the timer.
   20 - clocks : the clock feeding the timer clock.
   21 
   22 Example:
   23 
   24 timer@22f0000 {
   25         compatible = "ti,keystone-timer";
   26         reg = <0x022f0000 0x80>;
   27         interrupts = <GIC_SPI 110 IRQ_TYPE_EDGE_RISING>;
   28         clocks = <&clktimer15>;
   29 };

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