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/watchdog/of-xilinx-wdt.txt

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    1 Xilinx AXI/PLB soft-core watchdog Device Tree Bindings
    2 ---------------------------------------------------------
    3 
    4 Required properties:
    5 - compatible            : Should be "xlnx,xps-timebase-wdt-1.00.a" or
    6                           "xlnx,xps-timebase-wdt-1.01.a".
    7 - reg                   : Physical base address and size
    8 
    9 Optional properties:
   10 - clocks                : Input clock specifier. Refer to common clock
   11                           bindings.
   12 - clock-frequency       : Frequency of clock in Hz
   13 - xlnx,wdt-enable-once  : 0 - Watchdog can be restarted
   14                           1 - Watchdog can be enabled just once
   15 - xlnx,wdt-interval     : Watchdog timeout interval in 2^<val> clock cycles,
   16                           <val> is integer from 8 to 31.
   17 
   18 Example:
   19 axi-timebase-wdt@40100000 {
   20         clock-frequency = <50000000>;
   21         compatible = "xlnx,xps-timebase-wdt-1.00.a";
   22         clocks = <&clkc 15>;
   23         reg = <0x40100000 0x10000>;
   24         xlnx,wdt-enable-once = <0x0>;
   25         xlnx,wdt-interval = <0x1b>;
   26 } ;

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