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Subject[PATCH v4 1/2] dt-bindings: arm-smmu: Add binding doc for Qcom smmu-500
Date
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@codeaurora.org>
---

Changes since v3:
- Refined language more to state things directly for the bindings
description.

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
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
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