nfc_t2t_setup returns -1

[atopicalowl]

Hi, 

I'm evaluating the nrf54l15dk and am trying to make a small application where nrf54 appears as a tag. Upon initialization the `nfc_t2t_setup` returns -1 which does not appear in the documentation.  Another thing is that vscode says that `nfc_t2t_lib.h` can't be located and all the `NFC_T2T_EVENT_...` also the code, however compiles just fine

I'm using nRF Connect SDK v3.4.0-99553055607b 

prj.con contains

CONFIG_TFM_SECURE_UART=n
CONFIG_TFM_LOG_LEVEL_SILENCE=y
CONFIG_LOG=y
CONFIG_SPI=y

CONFIG_NFC_T2T_NRFXLIB=y
CONFIG_NFC_NDEF=y
CONFIG_NFC_NDEF_MSG=y
CONFIG_NFC_NDEF_RECORD=y
CONFIG_NFC_NDEF_TEXT_RECORD=y

[Simonr]

Hi Anton

I've reproduced this on my end, and it seems to be a bug with TF-M and NFC on the nRF54L15, as it does not occur on nRF5340.

If you build the application with the nrf54l15dk/nrf54l15/cpuapp instead of the /ns target, the application works just fine. I'll open an internal investigation on the /ns target and can keep you up to date on what we find.

Thank you for the thorough report on your end.

Best regards,

Simon