linux/Documentation/devicetree/bindings/arm/xen.txt
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   1* Xen hypervisor device tree bindings
   2
   3Xen ARM virtual platforms shall have a top-level "hypervisor" node with
   4the following properties:
   5
   6- compatible:
   7        compatible = "xen,xen-<version>", "xen,xen";
   8  where <version> is the version of the Xen ABI of the platform.
   9
  10- reg: specifies the base physical address and size of a region in
  11  memory where the grant table should be mapped to, using an
  12  HYPERVISOR_memory_op hypercall. The memory region is large enough to map
  13  the whole grant table (it is larger or equal to gnttab_max_grant_frames()).
  14
  15- interrupts: the interrupt used by Xen to inject event notifications.
  16  A GIC node is also required.
  17
  18
  19Example (assuming #address-cells = <2> and #size-cells = <2>):
  20
  21hypervisor {
  22        compatible = "xen,xen-4.3", "xen,xen";
  23        reg = <0 0xb0000000 0 0x20000>;
  24        interrupts = <1 15 0xf08>;
  25};
  26