OpenCloudOS-Kernel/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt

33 lines
1.0 KiB
Plaintext

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>;
};