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/powerpc/fsl/mpic-timer.txt

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    1 * Freescale MPIC timers
    2 
    3 Required properties:
    4 - compatible: "fsl,mpic-global-timer"
    5 
    6 - reg : Contains two regions.  The first is the main timer register bank
    7   (GTCCRxx, GTBCRxx, GTVPRxx, GTDRxx).  The second is the timer control
    8   register (TCRx) for the group.
    9 
   10 - fsl,available-ranges: use <start count> style section to define which
   11   timer interrupts can be used.  This property is optional; without this,
   12   all timers within the group can be used.
   13 
   14 - interrupts: one interrupt per timer in the group, in order, starting
   15   with timer zero.  If timer-available-ranges is present, only the
   16   interrupts that correspond to available timers shall be present.
   17 
   18 Example:
   19         /* Note that this requires #interrupt-cells to be 4 */
   20         timer0: timer@41100 {
   21                 compatible = "fsl,mpic-global-timer";
   22                 reg = <0x41100 0x100 0x41300 4>;
   23 
   24                 /* Another AMP partition is using timers 0 and 1 */
   25                 fsl,available-ranges = <2 2>;
   26 
   27                 interrupts = <2 0 3 0
   28                               3 0 3 0>;
   29         };
   30 
   31         timer1: timer@42100 {
   32                 compatible = "fsl,mpic-global-timer";
   33                 reg = <0x42100 0x100 0x42300 4>;
   34                 interrupts = <4 0 3 0
   35                               5 0 3 0
   36                               6 0 3 0
   37                               7 0 3 0>;
   38         };

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