On Wed, Aug 02, 2023 at 03:18:29PM +0100, Andre Przywara wrote: > All X-Powers PMICs described by this binding have an IRQ pin, and so > far (almost) all boards connected this to some NMI pin or GPIO on the SoC > they are connected to. > However we start to see boards that omit this connection, and technically > the IRQ pin is not essential to the basic PMIC operation. > The existing Linux driver allows skipping an IRQ pin setup for some > chips already, so update the binding to also make the DT property > optional for these chips, so that we can actually have DTs describing > boards with the PMIC interrupt not wired up. > > Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx> > --- > Hi, > > arguably the IRQ functionality is optional for many more PMICs, > especially if a board doesn't use GPIOs or a power key. > So I wonder if the interrupts property should become optional for all? > After all it's more a board designer's decision to wire up the IRQ pin > or not, and nothing that's really related to a particular PMIC. I would say yes. Particularly if it gets rid of a conditional schema. Rob
