Hello,
There are some documents available that I believe that might be what you are looking for, could you please help me check the following documents?
- MCUXpresso_SDK_WLAN_Driver_Reference_Manual.pdf
- UM11443-NXP-Wi-Fi-and-Bluetooth-Debug-Feature-Configuration-Guide-for-i.MX-RT-Platforms.pdf
- UM11442-NXP-Wi-Fi-and-Bluetooth-Demo-Applications-for-i.MX-RT-platforms-User-Guide.pdf
- UM11441-Getting-Started-with-NXP-based-Wireless-Modules-and-i.MX-RT-Platform-Running-on-RTOS.pdf
You can find the available documentation in the following path <installation path>\SDK_2_13_1_MIMXRT1060-EVKB.zip\docs\wireless in the SDK download
Could you please help us with more details on what kind of documentation you are looking for ?
Regards