From: Andreas Herrmann <andreas.herrm...@calxeda.com>
This patch adds descriptions for new properties of the device tree
binding for the ARM SMMU architecture. These properties control
arm-smmu driver options.
Cc: Grant Likely <grant.lik...@linaro.org>
Acked-by: Rob Herring <r...@kernel.org>
Signed-off-by: Andreas Herrmann <andreas.herrm...@calxeda.com>
[will: removed device isolation property, as this has been dropped]
Signed-off-by: Will Deacon <will.dea...@arm.com>
---
Documentation/devicetree/bindings/iommu/arm,smmu.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index e34c6cdd8ba8..d6d2f6dd437a 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
@@ -48,6 +48,12 @@ conditions.
from the mmu-masters towards memory) node for this
SMMU.
+- calxeda,smmu-secure-config-access : Enable proper handling of buggy
+ implementations that always use secure access to
+ SMMU configuration registers. In this case non-secure
+ aliases of secure registers have to be used during
+ SMMU configuration.
+
Example:
smmu {
--
1.8.2.2
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