[PATCH v4 2/4] dt-bindings: interrupt-controller: msi: Add msi-ranges property

[Mark Kettenis]

From: Mark Kettenis <kettenis@xxxxxxxxxxx>

Update the MSI controller binding to add an msi-ranges property
that specifies how MSIs map onto regular interrupts on some other
interrupt controller.

Signed-off-by: Mark Kettenis <kettenis@xxxxxxxxxxx>
---
 .../bindings/interrupt-controller/msi-controller.yaml     | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml b/Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml
index 5ed6cd46e2e0..bf8b8a7dba09 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml
@@ -31,4 +31,12 @@ properties:
       Identifies the node as an MSI controller.
     $ref: /schemas/types.yaml#/definitions/flag
 
+  msi-ranges:
+    description:
+      A list of pairs <intid span>, where "intid" is the specification
+      of the first interrupt (including the phandle for the interrupt
+      controller) that can be used as an MSI, and "span" the size of
+      that range. Multiple ranges can be provided.
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+
 additionalProperties: true
-- 
2.32.0