[PATCH v5 2/4] dt-bindings: interrupt-controller: msi: Add msi-ranges property

From: Mark Kettenis
Date: Tue Sep 21 2021 - 14:42:10 EST


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

Acked-by: Marc Zyngier <maz@xxxxxxxxxx>
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 58d898d5b943..449d6067ec88 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml
@@ -32,6 +32,14 @@ properties:
Identifies the node as an MSI controller.
$ref: /schemas/types.yaml#/definitions/flag

+ msi-ranges:
+ description:
+ A list of <phandle intspec span> tuples, where "phandle" is the
+ parent interrupt controller, "intspec" is the starting/base
+ interrupt specifier and "span" is the size of the
+ range. Multiple ranges can be provided.
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+
dependencies:
"#msi-cells": [ msi-controller ]

--
2.33.0