GK20A can optionally make use of an IOMMU.
Signed-off-by: Alexandre Courbot <acour...@nvidia.com>
Acked-by: Rob Herring <r...@kernel.org>
---
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";
};
--
2.7.3
