From 375d2447029fc6092ca6d08329c1af61901dd8b6 Mon Sep 17 00:00:00 2001 From: Alexandre Courbot Date: Mon, 28 Mar 2016 18:23:01 +0900 Subject: [PATCH] dt-bindings: gk20a: Document iommus property GK20A can optionally make use of an IOMMU. Signed-off-by: Alexandre Courbot Acked-by: Rob Herring Signed-off-by: Thierry Reding --- 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"; }; -- 2.39.5