pmu.txt

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    1 ===============================
    2 C-SKY Performance Monitor Units
    3 ===============================
    4 
    5 C-SKY Performance Monitor is designed for ck807/ck810/ck860 SMP soc and
    6 it could count cpu's events for helping analysis performance issues.
    7 
    8 ============================
    9 PMU node bindings definition
   10 ============================
   11 
   12         Description: Describes PMU
   13 
   14         PROPERTIES
   15 
   16         - compatible
   17                 Usage: required
   18                 Value type: <string>
   19                 Definition: must be "csky,csky-pmu"
   20         - interrupts
   21                 Usage: required
   22                 Value type: <u32 IRQ_TYPE_XXX>
   23                 Definition: must be pmu irq num defined by soc
   24         - count-width
   25                 Usage: optional
   26                 Value type: <u32>
   27                 Definition: the width of pmu counter
   28 
   29 Examples:
   30 ---------
   31 #include <dt-bindings/interrupt-controller/irq.h>
   32 
   33         pmu: performace-monitor {
   34                 compatible = "csky,csky-pmu";
   35                 interrupts = <23 IRQ_TYPE_EDGE_RISING>;
   36                 interrupt-parent = <&intc>;
   37                 count-width = <48>;
   38         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/csky/pmu.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/csky/pmu.txt