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

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Message-ID: <1539604846-21151-4-git-send-email-hannah@marvell.com>
Date:   Mon, 15 Oct 2018 15:00:45 +0300
From:   <hannah@...vell.com>
To:     <catalin.marinas@....com>, <will.deacon@....com>, <corbet@....net>,
        <joro@...tes.org>, <robh+dt@...nel.org>,
        <gregory.clement@...tlin.com>, <mark.rutland@....com>,
        <jason@...edaemon.net>, <andrew@...n.ch>,
        <sebastian.hesselbarth@...il.com>, <robin.murphy@....com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <iommu@...ts.linux-foundation.org>, <devicetree@...r.kernel.org>,
        <thomas.petazzoni@...tlin.com>, <nadavh@...vell.com>,
        <omrii@...vell.com>, Hanna Hawa <hannah@...vell.com>
Subject: [PATCH 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 64bit registers of ARM SMMU, in AP806.

AP806 SOC use 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>
---
 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 8a6ffce..92d7263 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"
 
                   depending on the particular implementation and/or the
-- 
1.9.1