ARM: tegra: Add IOMMU node to GK20A

Nouveau can make use of the IOMMU to make physical appear linear in the GPU address space. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
mariux64 · Aug 21, 2015 · c96cd17 · c96cd17
1 parent ee9f106
commit c96cd17
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
@@ -189,6 +189,9 @@
 		clock-names = "gpu", "pwr";
 		resets = <&tegra_car 184>;
 		reset-names = "gpu";
+
+		iommus = <&mc TEGRA_SWGROUP_GPU>;
+
 		status = "disabled";
 	};