linux-kernel - [RESEND PATCH v4 1/1] dt-bindings: arm-smmu: Add binding doc for Qcom smmu-500

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Message-Id: <20181213090507.6269-1-vivek.gautam@codeaurora.org>
Date:   Thu, 13 Dec 2018 14:35:07 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     joro@...tes.org, iommu@...ts.linux-foundation.org,
        devicetree@...r.kernel.org
Cc:     robh+dt@...nel.org, mark.rutland@....com,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Will Deacon <will.deacon@....com>
Subject: [RESEND PATCH v4 1/1] dt-bindings: arm-smmu: Add binding doc for Qcom smmu-500

Qcom's implementation of arm,mmu-500 works well with current
arm-smmu driver implementation. Adding a soc specific compatible
along with arm,mmu-500 makes the bindings future safe.

Signed-off-by: Vivek Gautam <vivek.gautam@...eaurora.org>
Reviewed-by: Rob Herring <robh@...nel.org>
Cc: Will Deacon <will.deacon@....com>
---

Hi Joerg,
I am picking this out separately from the sdm845 smmu support
series [1], so that this can go through iommu tree.
The dt patch from the series [1] can be taken through arm-soc tree.

Hi Will,
As asked [2], here's the resend version of dt binding patch for sdm845.
Kindly ack this so that Joerg can pull this in.

Thanks
Vivek

[1] https://patchwork.kernel.org/cover/10636359/
[2] https://patchwork.kernel.org/patch/10636363/

 Documentation/devicetree/bindings/iommu/arm,smmu.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index a6504b37cc21..3133f3ba7567 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
@@ -27,6 +27,10 @@ conditions.
                   "qcom,msm8996-smmu-v2", "qcom,smmu-v2",
                   "qcom,sdm845-smmu-v2", "qcom,smmu-v2".
 
+                  Qcom SoCs implementing "arm,mmu-500" must also include,
+                  as below, SoC-specific compatibles:
+                  "qcom,sdm845-smmu-500", "arm,mmu-500"
+
 - reg           : Base address and size of the SMMU.
 
 - #global-interrupts : The number of global interrupts exposed by the
-- 
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