Hello, I have 2 CS on spi@3210000. They are all on main GPIO controller pin. (H6, Q5). The device-tree and drivers are working on Jetson Xavier. When I use spidev to test, the MOSI, SCK are ok but the CS is not moving. sudo ./spidev_test -D /dev/spidev0.0 -b 8 --cpha --cpol -v I add log in the k…

It’s working. I had to make another change in file spi-tegra114.c: - ctrl->use_gpio_descriptors = true; + ctrl->use_gpio_descriptors = false; Thank you

SPI: Use custom CS

Autonomous Machines Jetson & Embedded Systems Jetson Orin NX

jbzp00y May 2, 2023, 8:19am 15

Hi @DaneLLL ,

What did you want to say with this sentence ?