On Wed, Aug 18, 2021 at 09:29:43AM +0200, Jacopo Mondi wrote: > Hi Andy, > > On Tue, Aug 17, 2021 at 07:50:46PM +0300, Andy Shevchenko wrote: > > On Tue, Aug 17, 2021 at 05:49:50PM +0200, Jacopo Mondi wrote: > > > Add documentation for the Senseair Sunrise 006-0-0007 CO2 NDIR sensor. > > > > > + ndry-gpios: > > > + description: Phandle to the GPIO line connected to the nDRY pin. Active low. > > > + > > > + en-gpios: > > > + description: Phandle to the GPIO line connected to the EN pin. Active high. > > > > Not sure you have to mention polarity. It can be changed on PCB level easily > > and this bindings won't satisfy those (valid) changes. > > Well, one can indeed invert the signal on the PCB, it's weird I see most of > the bindings reporting the pin's active polarity though... > > I'll drop it. I'd keep it. It's documenting the pin on the h/w. You can prefix with 'Typically' if you want. Rob