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dt-bindings: interrupt-controller: msi: Add msi-ranges property

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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@kernel.org>
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Link: https://lore.kernel.org/r/20210921183420.436-3-kettenis@openbsd.org
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Mark Kettenis 2021-09-21 20:34:13 +02:00 committed by Rob Herring
parent 2e8b4b6ebe
commit da73f4ee4a
1 changed files with 8 additions and 0 deletions
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8
Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml
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@ -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 ]