This is Step2 in Jetson Nano SPI Bus Not Working - Jetson & Embedded Systems / Jetson Nano - NVIDIA Developer Forums.
You could also share your current kernel_tegra210-p3448-0000-p3449-0000-b00-user-custom.dtb from your board for me to check.
This is Step2 in Jetson Nano SPI Bus Not Working - Jetson & Embedded Systems / Jetson Nano - NVIDIA Developer Forums.
You could also share your current kernel_tegra210-p3448-0000-p3449-0000-b00-user-custom.dtb from your board for me to check.