On Wed, Feb 14, 2024 at 5:24 PM Théo Lebrun <theo.lebrun@xxxxxxxxxxx> wrote: > This GPIO controller can support a lesser number of GPIOs than 32. > Express that in devicetree using an optional, generic property. > > Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx> > --- > Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml b/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml > index a999908173d2..bbd23daed229 100644 > --- a/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml > +++ b/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml > @@ -50,6 +50,10 @@ properties: > gpio-ranges: > maxItems: 1 > > + ngpios: > + minimum: 0 > + maximum: 32 I can't help but wonder what good is ngpios = <0>; but OK. Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij