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Groups > linux.kernel > #1357778
| From | Alexandre Courbot <acourbot@nvidia.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 2/5] dt-bindings: gk20a: Document iommus property |
| Date | 2016-03-15 04:00 +0100 |
| Message-ID | <rcNnb-4dY-1@gated-at.bofh.it> (permalink) |
| References | <rcNnb-4dY-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
GK20A can optionally make use of an IOMMU.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
---
Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
index 914f0ff4020e..1e3748337319 100644
--- a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
+++ b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
@@ -24,6 +24,9 @@ Required properties:
- reset-names: Must include the following entries:
- gpu
+Optional properties:
+- iommus: A reference to the IOMMU. See ../iommu/iommu.txt for details.
+
Example:
gpu@0,57000000 {
@@ -39,5 +42,6 @@ Example:
clock-names = "gpu", "pwr";
resets = <&tegra_car 184>;
reset-names = "gpu";
+ iommus = <&mc TEGRA_SWGROUP_GPU>;
status = "disabled";
};
--
2.7.2
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[PATCH v2 2/5] dt-bindings: gk20a: Document iommus property Alexandre Courbot <acourbot@nvidia.com> - 2016-03-15 04:00 +0100
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