diff --git a/edgetpu/edgetpu.mk b/edgetpu/edgetpu.mk
index 7b93487..862de56 100644
--- a/edgetpu/edgetpu.mk
+++ b/edgetpu/edgetpu.mk
@@ -25,3 +25,6 @@ PRODUCT_PACKAGES += com.google.edgetpu.dba-service
 PRODUCT_PACKAGES += libedgetpu_dba.google
 
 BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/edgetpu/sepolicy
+
+# Tflite Darwinn delegate property
+PRODUCT_VENDOR_PROPERTIES += vendor.edgetpu.tflite_delegate.force_disable_io_coherency=1
diff --git a/edgetpu/sepolicy/appdomain.te b/edgetpu/sepolicy/appdomain.te
new file mode 100644
index 0000000..37cb1db
--- /dev/null
+++ b/edgetpu/sepolicy/appdomain.te
@@ -0,0 +1,2 @@
+# Allow apps to read tflite Darwinn delegate properties
+get_prop(appdomain, vendor_tflite_delegate_prop)
diff --git a/edgetpu/sepolicy/edgetpu_dba_service.te b/edgetpu/sepolicy/edgetpu_dba_service.te
index 2e8f908..dca4ac4 100644
--- a/edgetpu/sepolicy/edgetpu_dba_service.te
+++ b/edgetpu/sepolicy/edgetpu_dba_service.te
@@ -36,3 +36,6 @@ allow edgetpu_dba_server proc_version:file r_file_perms;
 # Allow EdgeTPU DBA service to send trace packets to Perfetto with SELinux enabled
 # under userdebug builds.
 userdebug_or_eng(`perfetto_producer(edgetpu_dba_server)')
+
+# Allow EdgeTPU DBA service to read tflite Darwinn delegate properties
+get_prop(edgetpu_dba_server, vendor_tflite_delegate_prop)
diff --git a/edgetpu/sepolicy/hal_camera_default.te b/edgetpu/sepolicy/hal_camera_default.te
new file mode 100644
index 0000000..a8ea541
--- /dev/null
+++ b/edgetpu/sepolicy/hal_camera_default.te
@@ -0,0 +1,2 @@
+# Allow camera HAL to read tflite Darwinn delegate properties
+get_prop(hal_camera_default, vendor_tflite_delegate_prop)
diff --git a/edgetpu/sepolicy/property.te b/edgetpu/sepolicy/property.te
index ed93d44..254d059 100644
--- a/edgetpu/sepolicy/property.te
+++ b/edgetpu/sepolicy/property.te
@@ -2,3 +2,6 @@
 # since it lives under /system_ext/.
 system_public_prop(vendor_edgetpu_service_prop)
 
+# Tflite Darwinn delegate properties are written once by vendor_init,
+# and then read by apps, camera hal, and some Darwinn vendor services.
+system_vendor_config_prop(vendor_tflite_delegate_prop)
diff --git a/edgetpu/sepolicy/property_contexts b/edgetpu/sepolicy/property_contexts
index 130cfef..56c2bf6 100644
--- a/edgetpu/sepolicy/property_contexts
+++ b/edgetpu/sepolicy/property_contexts
@@ -1,3 +1,5 @@
 # for EdgeTPU
 vendor.edgetpu.service.                         u:object_r:vendor_edgetpu_service_prop:s0
 
+# for DarwinnDelegate
+vendor.edgetpu.tflite_delegate.                 u:object_r:vendor_tflite_delegate_prop:s0
diff --git a/edgetpu/sepolicy/vendor_init.te b/edgetpu/sepolicy/vendor_init.te
new file mode 100644
index 0000000..c9506f0
--- /dev/null
+++ b/edgetpu/sepolicy/vendor_init.te
@@ -0,0 +1,2 @@
+# Allow vendor_init to set tflite Darwinn delegate properties
+set_prop(vendor_init, vendor_tflite_delegate_prop)