[PATCH v3 10/11] arm64: tegra: Hook up VPR to host1x

From: Thierry Reding

Date: Wed Jul 01 2026 - 12:26:12 EST


From: Thierry Reding <treding@xxxxxxxxxx>

The host1x needs access to the VPR region, so make sure to reference it
via the memory-region property.

Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra234.dtsi | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index 52ff11873580..38637e8e6fc9 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -4479,6 +4479,9 @@ vic@15340000 {
interconnect-names = "dma-mem", "write";
iommus = <&smmu_niso1 TEGRA234_SID_VIC>;
dma-coherent;
+
+ memory-region = <&vpr>;
+ memory-region-names = "protected";
};

nvdec@15480000 {
@@ -4497,6 +4500,9 @@ nvdec@15480000 {
iommus = <&smmu_niso1 TEGRA234_SID_NVDEC>;
dma-coherent;

+ memory-region = <&vpr>;
+ memory-region-names = "protected";
+
nvidia,memory-controller = <&mc>;

/*

--
2.54.0