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authorShaik Ameer Basha <shaik.ameer@samsung.com>2014-05-14 05:53:33 (GMT)
committerJoerg Roedel <jroedel@suse.de>2014-05-14 13:25:19 (GMT)
commitdf15e1de9c7f18289f40c9cf1f6bfa5fd662b1dd (patch)
treed549799d76a687998e605f447bae8b296ba31da4 /Documentation/devicetree/bindings/iommu
parent66a7ed84b345d676d7f60f0d397705ccb1c5c7e2 (diff)
downloadlinux-df15e1de9c7f18289f40c9cf1f6bfa5fd662b1dd.tar.xz
documentation/iommu: Add note on existing DT binding status
The current dt binding for Exynos System MMU can be changed, if found incompatible with the support for "Generic IOMMU Binding". This patch adds a note to the binding documentation stating the same. Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'Documentation/devicetree/bindings/iommu')
-rw-r--r--Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt b/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt
index 15b2a2b..6fa4c73 100644
--- a/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt
+++ b/Documentation/devicetree/bindings/iommu/samsung,sysmmu.txt
@@ -27,6 +27,11 @@ The drivers must consider how to handle those System MMUs. One of the idea is
to implement child devices or sub-devices which are the client devices of the
System MMU.
+Note:
+The current DT binding for the Exynos System MMU is incomplete.
+The following properties can be removed or changed, if found incompatible with
+the "Generic IOMMU Binding" support for attaching devices to the IOMMU.
+
Required properties:
- compatible: Should be "samsung,exynos-sysmmu"
- reg: A tuple of base address and size of System MMU registers.