Yes, if you want to report your mortgage interest as a deduction, you will need to add that to your return. Otherwise, you are not required to report this mortgage activity.
To
find this section in TurboTax, open your return, then go to My Account >>
Tools >> Topic Search. Type in "mortgage interest", then click the topic in
the list and GO to go directly to the start of this section. Follow the prompts
to enter your mortgage interest.