From nobody Thu Sep 24 18:39:44 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7474E566C4D; Wed, 23 Sep 2026 19:15:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790190952; cv=none; b=Nm1K392L6m9cRc7MaHH2m5yFz6M0XuHBlWp7ympUu69vGXNkGy+f7Zu/IF0564RjXPJwMWol1zBztFjMJMrKQzLf3zcUNhXL0FoBpm0L6HmJ061SDagJphQR1Q1oPqb/+JXX+avbDkQRIk/PjJu/gvmbs2LAytBECGIbrb+3M18= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790190952; c=relaxed/simple; bh=OBnd6YqYitom54GDZWn8IQVu6ccwaiE/uJZXojlQ3QE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=sGpEeaAb927wSzoTDwYC1G7HscW6xKMXWE7EFAIgsrtqKJ24i6+QllomtJk2ZVitje/p4+ddFEqUMA9iMcfEfa8+ht9r3NAeztaj3cyIilHOcUqun9IJ7MYJEPa7sIojx9ZO1wppDb8ZGggligWCpw1cG2CSS40q7F2LZ3ZDedI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fVP6HfkL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fVP6HfkL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 263A31F000FF; Wed, 23 Sep 2026 19:15:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790190951; bh=LfzNAPun3QfgyrfQ0AalSAcIX1q+GxGMokSjC8c+Aro=; h=From:To:Cc:Subject:Date; b=fVP6HfkLAXWcUzphziNJN7eEDSmmN69m2vrUKsHXa4E+6z+rHChjym6bn4gNl7D1/ ThA2pXoKKCFYGWh+DsbbkuvhqG9CYGRLI6qE5xWT/iHb8KXGo9MdvX/o3bxXEj064P zOP8qBxiE6aNIcPi5/nhASftTMm1aCUGu/AXujrrvysdbvuTzF12X8OHdViIlwWitl luwRBeaOlFdtQ/lO7kiMqNYG7NrvEXlf6nJtsUN2FZekVdBeB0n8dUUWgYOX3QxQx+ 061xOF2nqX3gjGrtgcXC/beEQRpIAIMEu9Ve3DHPeRkimnp+uNVBUicEJhf6YjDp7J C9Wt1+34wfC5g== From: "Rob Herring (Arm)" To: Yong Wu , "Joerg Roedel (AMD)" , Will Deacon , Robin Murphy , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno 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 Message-ID: <20260923191546.2209201-1-robh@kernel.org> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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) --- 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 =20 interrupts: - maxItems: 1 + minItems: 1 + maxItems: 5 + description: + A single interrupt or one interrupt per bank. =20 clocks: items: @@ -155,6 +158,19 @@ required: - '#iommu-cells' =20 allOf: + - if: + properties: + compatible: + contains: + const: mediatek,mt8195-iommu-infra + then: + properties: + interrupts: + minItems: 5 + else: + properties: + interrupts: + maxItems: 1 - if: properties: compatible: --=20 2.53.0