Kernel-4.18.0-80.el8_zte,zx2967-wdt

ZTE zx2967 Watchdog timer

Required properties:

• compatible : should be one of the following.

   * zte,zx296718-wdt
  

• reg : Specifies base physical address and size of the registers.
• clocks : Pairs of phandle and specifier referencing the controller’s clocks.
• resets : Reference to the reset controller controlling the watchdog

       controller.
  

Optional properties:

• timeout-sec : Contains the watchdog timeout in seconds.
• zte,wdt-reset-sysctrl : Directs how to reset system by the watchdog.
  if we don’t want to restart system when watchdog been triggered,
  it’s not required, vice versa.
  It should include following fields.

  * phandle of aon-sysctrl.
  * offset of register that be written, should be 0xb0.
  * configure value that be written to aon-sysctrl.
  * bit mask, corresponding bits will be affected.
  

Example:

wdt: watchdog@1465000 {
compatible = “zte,zx296718-wdt”;
reg = <0x1465000 0x1000>;
clocks = <&topcrm WDT_WCLK>;
resets = <&toprst 35>;
zte,wdt-reset-sysctrl = <&aon_sysctrl 0xb0 1 0x115>;
};