[PATCH 6/6] documentation/iommu: Update description of ARM System MMU binding

[Andreas Herrmann]

This patch adds descriptions fore new properties of device tree
binding for the ARM SMMU architecture. These properties control
arm-smmu driver options.

Cc: Rob Herring <robherring2 at gmail.com>
Cc: Grant Likely <grant.likely at linaro.org>
Cc: Will Deacon <will.deacon at arm.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann at calxeda.com>
---
 .../devicetree/bindings/iommu/arm,smmu.txt         |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
index e34c6cd..de88cf9 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
@@ -48,6 +48,17 @@ conditions.
                   from the mmu-masters towards memory) node for this
                   SMMU.
 
+- arm,smmu-isolate-devices : Enable device isolation for all masters
+                             of this SMMU. Ie. each master will be
+                             attached to its own iommu domain.
+
+- arm,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 {
@@ -67,4 +78,5 @@ Example:
                  */
                 mmu-masters = <&dma0 0xd01d 0xd01e>,
                               <&dma1 0xd11c>;
+                arm,smmu-isolate-devices;
         };
-- 
1.7.9.5