On Fri, Apr 29, 2022 at 03:13:48PM +0200, Pali Rohár wrote: > GPIO is optional and used for WDI logic. Nowhere is WDI defined. > > Signed-off-by: Pali Rohár <pali@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml b/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml > index ab9641e845db..a97aa0135ef9 100644 > --- a/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml > +++ b/Documentation/devicetree/bindings/watchdog/maxim,max63xx.yaml > @@ -27,6 +27,10 @@ properties: > description: This is a 1-byte memory-mapped address > maxItems: 1 > > + gpios: Usually, we want a name here. Maybe wdi-gpios, but I don't know what WDI is nor have I read the pin name in the datasheet for inspiration. > + description: Optional GPIO used for controlling WDI when WDI bit is not mapped to memory > + maxItems: 1 > + > required: > - compatible > - reg > -- > 2.20.1 > >
