diff options
Diffstat (limited to 'Documentation/devicetree/bindings/arm/xen.txt')
-rw-r--r-- | Documentation/devicetree/bindings/arm/xen.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/xen.txt b/Documentation/devicetree/bindings/arm/xen.txt new file mode 100644 index 00000000000..0f7b9c2109f --- /dev/null +++ b/Documentation/devicetree/bindings/arm/xen.txt | |||
@@ -0,0 +1,25 @@ | |||
1 | * Xen hypervisor device tree bindings | ||
2 | |||
3 | Xen ARM virtual platforms shall have a top-level "hypervisor" node with | ||
4 | the 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 | |||
19 | Example (assuming #address-cells = <2> and #size-cells = <2>): | ||
20 | |||
21 | hypervisor { | ||
22 | compatible = "xen,xen-4.3", "xen,xen"; | ||
23 | reg = <0 0xb0000000 0 0x20000>; | ||
24 | interrupts = <1 15 0xf08>; | ||
25 | }; | ||