On Sun, Oct 4, 2020 at 8:00 PM Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> wrote: > +properties: > + compatible: > + enum: > + - pci1b6f,7023 > + - pci1b6f,7052 I think it is better to let the PCI driver for the whole hardware in drivers/usb/host/xhci-pci.c probe from the PCI configuration space numbers, and then add a gpio_chip to xhci-pci.c. Thanks! Linus Walleij