Hi All, I have issue with jetson nano spi, I connect the pin 19 with pin 21 in the 40pin header, and enable spi via jetson io, with the spidev_test, I can receive anything. jetson version [image] sudo cat /sys/kernel/debug/tegra_gpio [image] sudo /opt/nvidia/jetson-io/config-by-function.py -l…

[image] guopeng.sun: But if I decompile this dtb file to a dts file, I could not find anything start with “TEGRA_GPIO”, also I donwload the source code, but could not find any dtsi file, This is compiled dtb and would be a little different from the original device tree after decompile. Pleas…

Jetson nano spi not workiing

Robotics & Edge Computing Jetson & Embedded Systems Jetson Nano

KevinFFF July 31, 2023, 7:34am 3

Hi guopeng.sun,

Could you refer to the following thread to verify SPI loopback test step-by-step for Jetson Nano with JP4.6.4?
Jetson Nano SPI Bus Not Working - #10 by KevinFFF

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Jetson nano spi not workiing

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