The Jetson nano does not have 40pin header Python driver

[ShaneCCC]

Have reference to below topic to modify the device tree manually for EMMC module.

About using spi on Jetson NANO

Hello, I can see the spi node. [image] Codes that open and access spi are also executed normally. [image] However, I can’t check the waveform change with the oscilloscope. What’s the problem? Thank you.

NANO EMMC SPI signal seen on the scope is abnormal

After modify these files ，the nano can receive data by jump MOSI and MISO. ./hardware/nvidia/platform/t210/porg/kernel-dts/tegra210-porg-p3448-common.dtsi ./hardware/nvidia/platform/t210/porg/kernel-dts/porg-platforms/tegra210-porg-gpio-p3448-0002-b00.dtsi ./kernel/kernel-4.9/drivers/spi/spi-tegra114.c ./kernel/kernel-4.9/drivers/gpio/gpio-tegra.c nvidia@nvidia:~$ cat /etc/nv_tegra_release | head -n 1 # R32 (release), REVISION: 6.1, GCID: 27863751, BOARD: t210ref, EABI: aarch64, DATE: Mon Jul …