linux-kernel - [PATCH v2 3/4] dt-bindings: iommu/arm,smmu: add compatible string for Marvell

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Message-Id: <20190711150242.25290-4-gregory.clement@bootlin.com>
Date:   Thu, 11 Jul 2019 17:02:41 +0200
From:   Gregory CLEMENT <gregory.clement@...tlin.com>
To:     Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>, linux-kernel@...r.kernel.org,
        iommu@...ts.linux-foundation.org
Cc:     Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        linux-arm-kernel@...ts.infradead.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        Miquèl Raynal <miquel.raynal@...tlin.com>,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Nadav Haklai <nadavh@...vell.com>,
        Hanna Hawa <hannah@...vell.com>
Subject: [PATCH v2 3/4] dt-bindings: iommu/arm,smmu: add compatible string for Marvell

From: Hanna Hawa <hannah@...vell.com>

Add specific compatible string for Marvell usage due errata of
accessing 64bits registers of ARM SMMU, in AP806.

AP806 SoC uses the generic ARM-MMU500, and there's no specific
implementation of Marvell, this compatible is used for errata only.

Signed-off-by: Hanna Hawa <hannah@...vell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@...tlin.com>
---
 Documentation/devicetree/bindings/iommu/arm,smmu.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index 3133f3ba7567..7ed58d51846e 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
@@ -16,6 +16,7 @@ conditions.
                         "arm,mmu-400"
                         "arm,mmu-401"
                         "arm,mmu-500"
+                        "marvell,mmu-500"
                         "cavium,smmu-v2"
                         "qcom,smmu-v2"
 
-- 
2.20.1