More information about how Jetpack 6.2 is allowing higher system power?

Can someone explain more about the device tree changes for the new super mode? I can see in the super mode device tree sources for the Orin NX modules (SKU0-4) that the VDD_IN regulator is still limited to 5V, so how does NVIDIA allow the devkits to reach higher voltages on the VDD_IN line with this new version? Does it have to do with the adjustments to oc_throttle or bjt_offsets in the soctherm of the bpmp dtb?

1 Like

Hi,
The reference developer kit of Orin NX is Orin Nano developer kit replacing Orin Nano module with Orin NX module(the fan is attached to Orin NX module). On the setup, super mode can be enabled. These files are added for super mode:

// In Linux_for_Tegra folder
./bootloader/generic/tegra234-bpmp-3767-0001-3768-super-maxn.dtb
./bootloader/generic/tegra234-bpmp-3767-0004-3768-super.dtb
./bootloader/generic/tegra234-bpmp-3767-0000-3768-super-maxn.dtb
./bootloader/generic/tegra234-bpmp-3767-0000-3768-super.dtb
./bootloader/generic/tegra234-bpmp-3767-0001-3768-super.dtb
./bootloader/generic/tegra234-bpmp-3767-0003-3768-super.dtb
./kernel/dtb/tegra234-p3768-0000+p3767-0000-nv-super.dtb
./kernel/dtb/tegra234-p3768-0000+p3767-0003-nv-super.dtb
./kernel/dtb/tegra234-p3768-0000+p3767-0005-nv-super.dtb
./kernel/dtb/tegra234-p3768-0000+p3767-0004-nv-super.dtb
./kernel/dtb/tegra234-p3768-0000+p3767-0001-nv-super.dtb
./jetson-orin-nano-devkit-super.conf
./rootfs/etc/nvpmodel/nvpmodel_p3767_0003_super.conf
./rootfs/etc/nvpmodel/nvpmodel_p3767_0000_super.conf
./rootfs/etc/nvpmodel/nvpmodel_p3767_0001_super.conf
./rootfs/etc/nvpmodel/nvpmodel_p3767_0004_super.conf
./p3768-0000-p3767-0000-super.conf
./jetson-orin-nano-devkit-super-maxn.conf
./jetson-orin-nano-devkit-super-nvme.conf
./p3768-0000-p3767-0000-super-maxn-nvme.conf
./p3768-0000-p3767-0000-super-maxn.conf
./p3768-0000-p3767-0000-super-nvme.conf
./jetson-orin-nano-devkit-super-maxn-nvme.conf

And OC(overcurrent) limit is adjusted:

Jetson Orin Nano Series, Jetson Orin NX Series and Jetson AGX Orin Series — NVIDIA Jetson Linux Developer Guide 1 documentation

For design a custom board which can enable super mode, please refer to design guides:

https://developer.nvidia.com/downloads/jetson-orin-nx-series-nano-series-design-guide
https://developer.nvidia.com/downloads/jetson-orin-nx-orin-nano-series-thermal-design-guide