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@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/iommu/arm,smmu.txt | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index 7c71a6ed465a..7d73b2a259fc 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
@@ -18,6 +18,7 @@ conditions.
"arm,mmu-500"
"cavium,smmu-v2"
"qcom,<soc>-smmu-v2", "qcom,smmu-v2"
+ "qcom,<soc>-smmu-500", "arm,mmu-500"
depending on the particular implementation and/or the
version of the architecture implemented.
@@ -30,6 +31,10 @@ conditions.
An example string would be -
"qcom,msm8996-smmu-v2", "qcom,smmu-v2".
+ "qcom,<soc>-smmu-500" compatible string represents qcom's soc
+ specific implementation of arm,mmu-500, and should be present
+ along with "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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