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[PATCH v2 2/5] dt-bindings: gk20a: Document iommus property

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

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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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