On Thu, Mar 28, 2024 at 10:22:30AM +0800, Peter Yin wrote: > To use the SCU register to obtain reset flags for supporting > bootstatus. > > Signed-off-by: Peter Yin <peteryin.openbmc@xxxxxxxxx> > --- > Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt > index 3208adb3e52e..80a1f58b5a2e 100644 > --- a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt > +++ b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt > @@ -8,6 +8,8 @@ Required properties: > > - reg: physical base address of the controller and length of memory mapped > region > + - aspeed,scu: a reference to the System Control Unit node of the Aspeed > + SOC. You cannot add new required properties as that is an ABI break. If there's only 1 SCU instance, you can just fetch its node by compatible with no DT change. What's the plan for converting this binding to schema? This is the 2nd new property in 6 months. Rob
