How does Jetson-nano enable the SPI bus, whether a driver is required, and what are the download instructions

[knight20030209]

How does Jetson-nano enable the SPI bus, whether a driver is required, and what are the download instructions

[ShaneCCC]

Check below to use jetson-io to enable SPI
And after reboot have this command to load the driver. “sudo modprobe spidev”

https://docs.nvidia.com/jetson/archives/l4t-archived/l4t-3271/index.html#page/Tegra%20Linux%20Driver%20Package%20Development%20Guide/hw_setup_jetson_io.html

[knight20030209]

No response

[knight20030209]

[knight20030209]

not 0x24

[knight20030209]

this ID register higher data not is 0x24,why

[ShaneCCC]

You can run the loopback test for confirm the SPI configuration first.
Should be able get relative topic by search in this forum.

Thanks

[knight20030209]

is correct?this is spi.xfer() is correct?

[ShaneCCC]

Sorry, I don’t have experience for this device. You should check with the device spec.