Kernel-4.18.0-80.el8_of-xilinx-wdt

Xilinx AXI/PLB soft-core watchdog Device Tree Bindings

Required properties:

  • compatible : Should be “xlnx,xps-timebase-wdt-1.00.a” or
            "xlnx,xps-timebase-wdt-1.01.a".
    
  • reg : Physical base address and size

Optional properties:

  • clocks : Input clock specifier. Refer to common clock
            bindings.
    
  • clock-frequency : Frequency of clock in Hz
  • xlnx,wdt-enable-once : 0 - Watchdog can be restarted
            1 - Watchdog can be enabled just once
    
  • xlnx,wdt-interval : Watchdog timeout interval in 2^ clock cycles,
            <val> is integer from 8 to 31.
    

Example:
axi-timebase-wdt@40100000 {
clock-frequency = <50000000>;
compatible = “xlnx,xps-timebase-wdt-1.00.a”;
clocks = <&clkc 15>;
reg = <0x40100000 0x10000>;
xlnx,wdt-enable-once = <0x0>;
xlnx,wdt-interval = <0x1b>;
} ;