Re: [RFC PATCH 2/3] dt-bindings: gpio: Add binding documentation for Etron EJ168/EJ188/EJ198

[Martin Blumenstingl]

Hi Rob,

On Tue, Oct 6, 2020 at 11:25 PM Rob Herring <robh@xxxxxxxxxx> wrote:
[...]
> > +examples:
> > +  - |
> > +      pcie {
> > +        #address-cells = <3>;
> > +        #size-cells = <2>;
> > +
> > +        gpio@0,0,0 {
> > +          compatible = "pci1b6f,7023";
> > +          reg = <0x0 0x0 0x0 0x0 0x1000>;
> > +          gpio-controller;
> > +          #gpio-cells = <2>;
> > +        };
>
> How would this look if you needed to describe the XHCI controller?
> That's another PCI function?
unfortunately I have no documentation about this
the "reference driver" is poking the PCI config space registers of the
xHCI controller - without any dedicated function for this


Best regards,
Martin