[PATCH v1 6/6] dt-bindings: interrupt-controller: add optional memory-region

[Pavel Tatashin]

Allow pre-reserve memory in device tree that can be used in interrupt
controller tabes. This memory is required when kexec functionality is needed
with GICv3 controler and device trees.

Signed-off-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
---
 .../bindings/interrupt-controller/arm,gic-v3.yaml          | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml
index c34df35a25fc..7640aaa97302 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml
@@ -102,6 +102,13 @@ properties:
       - $ref: /schemas/types.yaml#/definitions/uint32
       - maximum: 4096   # Should be enough?
 
+  memory-region:
+    description:
+      Memory used to allocate property and pending tables.
+      Required if kexec functionality is needed.
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint64
+
   msi-controller:
     description:
       Only present if the Message Based Interrupt functionnality is
-- 
2.23.0