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authorAlexandre Courbot <acourbot@nvidia.com>2015-07-01 11:13:45 +0200
committerThierry Reding <treding@nvidia.com>2015-08-21 18:44:26 +0200
commitc96cd17708cfcffc9ccf2132fdcb360fa04f092f (patch)
treeae211cd151902145c39d21214e532e6fdace3a0a /arch/arm/boot
parentARM: tegra: Add CPU regulator to the Jetson TK1 device tree (diff)
downloadlinux-c96cd17708cfcffc9ccf2132fdcb360fa04f092f.tar.xz
linux-c96cd17708cfcffc9ccf2132fdcb360fa04f092f.zip
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>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/dts/tegra124.dtsi3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 87318a72f615..f72a7529fc03 100644
--- 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";
};