I am developing a custom carrier board for the Jetson Nano/Xavier NX.
I’m using Microchip’s ATWILC3000 module for BLE and WiFi, connected using SPI.
I’m dedicating the SPI1 available on the 40 for this purpose (GPIO8, GPIO9, GPIO10, GPIO11). The module also needs 3 GPIOs, 2 for controlling RESET (GPIO13, SOM pin no. 228) and ENABLE (GPIO4, SOM pin no. 127) on the module, and 1 for handling interrupts generated by the module (GPIO5, SOM pin no. 128).
I have not been able to locate the sysfs gpio number for GPIO5.
I have followed the driver porting guide linked here.
I have also noticed that, on the devkit, GPIO5 (SOM pin 128) is used for disabling WiFi on the M.2 E-key, and that GPIO4 is used to control the power LED.
Can anyone point me in the right direction to disable these two functions?