[lkml]   [2018]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Patch in this message
Subject[PATCH v4 1/2] 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 <>

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

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
 \ /
  Last update: 2018-10-11 11:51    [W:0.113 / U:4.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site