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dt-bindings: gk20a: Document iommus property 

GK20A can optionally make use of an IOMMU.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Alexandre Courbot 2016-03-28 18:23:01 +09:00 committed by Thierry Reding
parent 358158014f
commit 375d244702
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
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@ -24,6 +24,9 @@ Required properties:
- reset-names: Must include the following entries: - reset-names: Must include the following entries:
- gpu - gpu
Optional properties:
- iommus: A reference to the IOMMU. See ../iommu/iommu.txt for details.
Example: Example:
gpu@0,57000000 { gpu@0,57000000 {
@ -39,5 +42,6 @@ Example:
clock-names = "gpu", "pwr"; clock-names = "gpu", "pwr";
resets = <&tegra_car 184>; resets = <&tegra_car 184>;
reset-names = "gpu"; reset-names = "gpu";
iommus = <&mc TEGRA_SWGROUP_GPU>;
status = "disabled"; status = "disabled";
}; };