Hi Rob,

On Tue, Oct 6, 2020 at 11:25 PM Rob Herring [off-list ref] wrote:
[...]

quoted

+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