From: "Rob Herring (Arm)" <robh@kernel.org>
To: Yong Wu <yong.wu@mediatek.com>,
"Joerg Roedel (AMD)" <joro@8bytes.org>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>
Cc: iommu@lists.linux.dev, linux-mediatek@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] dt-bindings: iommu: Describe MT8195 infra IRQs
Date: Wed, 23 Sep 2026 14:15:45 -0500 [thread overview]
Message-ID: <20260923191546.2209201-1-robh@kernel.org> (raw)
The MT8195 infra IOMMU has one fault interrupt per IOMMU bank with 5 banks.
Keep other MediaTek IOMMUs limited to one unnamed interrupt.
Assisted-by: LLM
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
v2:
- Drop unnecessary 'interrupt-names' addition
---
.../bindings/iommu/mediatek,iommu.yaml | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index 79c573c47b08..cbda221a4fc5 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -100,7 +100,10 @@ properties:
maxItems: 1
interrupts:
- maxItems: 1
+ minItems: 1
+ maxItems: 5
+ description:
+ A single interrupt or one interrupt per bank.
clocks:
items:
@@ -155,6 +158,19 @@ required:
- '#iommu-cells'
allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt8195-iommu-infra
+ then:
+ properties:
+ interrupts:
+ minItems: 5
+ else:
+ properties:
+ interrupts:
+ maxItems: 1
- if:
properties:
compatible:
--
2.53.0
reply other threads:[~2026-09-23 19:15 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260923191546.2209201-1-robh@kernel.org \
--to=robh@kernel.org \
--cc=angelogioacchino.delregno@collabora.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=iommu@lists.linux.dev \
--cc=joro@8bytes.org \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=robin.murphy@arm.com \
--cc=will@kernel.org \
--cc=yong.wu@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®