On 05/05/2023 12:41, Bharat Bhushan wrote: >>>> >>>> You need anyway SoC specific compatibles. Once you add proper >>>> compatibles, you will see that property is not needed. >>> >>> Also on a given soc, firmware can configure one of 64 timer to be used as >> system watchdog time then compatible will not work. >> >> Can't you query the firmware for that? Or can't you just choose first unused >> timer? DT is for non-discoverable properties. > > Query to firmware required arm SMC call, to me that does not look correct approach. Thought of using first one but that is already used and moving that is as same as this. > > Hardcoding to 63 will make it work on some SoCs but not all. But you know which one is started or is not. GTI_CWD_WDOG tells you this. Best regards, Krzysztof
