Here are the TF-M based presentation from Linaro Connect at SanDiego in September 2019
1. [[ https://connect.linaro.org/resources/san19/san19-121/ | TF-M Remote Secure Services with Zephyr ]]
2. [[ https://connect.linaro.org/resources/san19/san19-406/ | Secure Runtime Library on IoT Device ]]