diff --git a/tf_config/stm32mp1-mp13-tbb-decrypt b/tf_config/stm32mp1-mp13-tbb-decrypt
new file mode 100644
index 0000000..9755e40
--- /dev/null
+++ b/tf_config/stm32mp1-mp13-tbb-decrypt
@@ -0,0 +1,12 @@
+AARCH32_SP=optee
+ARCH=aarch32
+ARM_ARCH_MAJOR=7
+CROSS_COMPILE=arm-none-eabi-
+DECRYPTION_SUPPORT=aes_gcm
+DTB_FILE_NAME=stm32mp135f-dk.dtb
+ENCRYPT_BL32=1
+PLAT=stm32mp1
+STM32MP13=1
+STM32MP_EMMC=1
+STM32MP_SDMMC=1
+TRUSTED_BOARD_BOOT=1