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arm64: tegra: Add IOMMU node to GM20B on Tegra210

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The operating system driver can take advantage of the IOMMU to remove
the need for physically contiguous memory buffers.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Alexandre Courbot 2016-03-28 18:23:04 +09:00 committed by Thierry Reding
parent 4a0778e98f
commit 30f949bc66
1 changed files with 3 additions and 0 deletions
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arch/arm64/boot/dts/nvidia/tegra210.dtsi
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@ -231,6 +231,9 @@ gpu@0,57000000 {
clock-names = "gpu", "pwr", "ref";
resets = <&tegra_car 184>;
reset-names = "gpu";
iommus = <&mc TEGRA_SWGROUP_GPU>;
status = "disabled";
};