diff --git a/Makefile b/Makefile
index b42bdc5..05d97b0 100644
--- a/Makefile
+++ b/Makefile
@@ -833,6 +833,10 @@
     endif
 endif
 
+ifeq ($(DRTM_SUPPORT),1)
+    $(info DRTM_SUPPORT is an experimental feature)
+endif
+
 ################################################################################
 # Process platform overrideable behaviour
 ################################################################################
@@ -1008,6 +1012,7 @@
         HW_ASSISTED_COHERENCY \
         INVERTED_MEMMAP \
         MEASURED_BOOT \
+        DRTM_SUPPORT \
         NS_TIMER_SWITCH \
         OVERRIDE_LIBC \
         PL011_GENERIC_UART \
@@ -1144,6 +1149,7 @@
         HW_ASSISTED_COHERENCY \
         LOG_LEVEL \
         MEASURED_BOOT \
+        DRTM_SUPPORT \
         NS_TIMER_SWITCH \
         PL011_GENERIC_UART \
         PLAT_${PLAT} \
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index d5383a1..fab6bf6 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -463,3 +463,6 @@
 
 # By default, disable the mocking of RSS provided services
 PLAT_RSS_NOT_SUPPORTED		:= 0
+
+# Dynamic Root of Trust for Measurement support
+DRTM_SUPPORT			:= 0