diff --git a/tf_config/fvp-tspd-tbb-psa-mbedtls-dualroot-cot-in-dtb b/tf_config/fvp-tspd-tbb-psa-mbedtls-dualroot-cot-in-dtb
new file mode 100644
index 0000000..322d045
--- /dev/null
+++ b/tf_config/fvp-tspd-tbb-psa-mbedtls-dualroot-cot-in-dtb
@@ -0,0 +1,11 @@
+ARM_ROTPK_LOCATION=devel_rsa
+COT=dualroot
+COT_DESC_IN_DTB=1
+CROSS_COMPILE=aarch64-none-elf-
+FVP_TRUSTED_SRAM_SIZE=384
+GENERATE_COT=1
+PLAT=fvp
+ROT_KEY=plat/arm/board/common/rotpk/arm_rotprivk_rsa.pem
+SPD=tspd
+TRUSTED_BOARD_BOOT=1
+PSA_CRYPTO=1