From: Andreas Herrmann Date: Thu, 30 Jan 2014 20:17:52 +0000 (+0000) Subject: documentation/iommu: update description of ARM System MMU binding X-Git-Tag: firefly_0821_release~176^2~4124^2^2^2~3 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0c9d70d72453036195682e64efce77872e9f268b;p=firefly-linux-kernel-4.4.55.git documentation/iommu: update description of ARM System MMU binding 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 Acked-by: Rob Herring Signed-off-by: Andreas Herrmann [will: removed device isolation property, as this has been dropped and fixed up spacing in documentation] Signed-off-by: Will Deacon --- diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt index e34c6cdd8ba8..f284b99402bc 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 {