Hi Indumathi,
I saw that LPSPI0 is configuring to use DMA request.
Nhi_Nguyen_2-1684809946257.png
So, you will need to configure for this, as below:
In Mcl:
Nhi_Nguyen_0-1684809788425.png
Nhi_Nguyen_1-1684809822017.png
Nhi_Nguyen_3-1684809991031.png
Nhi_Nguyen_4-1684810022322.png
In Platform:
Nhi_Nguyen_5-1684810129420.png
Nhi_Nguyen_6-1684810157564.png
Nhi_Nguyen_7-1684810177138.png
I assume that the issue come from interrupt handler of LPSIP0 wasn't handled.
Best regards,
Nhi