diff --git a/sys/arm/conf/NOTES b/sys/arm/conf/NOTES
index 03712f8a4aa..7cbf19d229c 100644
--- a/sys/arm/conf/NOTES
+++ b/sys/arm/conf/NOTES
@@ -28,3 +28,7 @@ nodevice	mps
 # Add devices which are specific to various arm platforms...
 
 device		twsi		# i2c controller on Marvel and Allwinner
+
+device		pl330		# ARM PL330 dma controller
+device		xdma		# xDMA framework for SoC on-chip dma controllers
+
diff --git a/sys/arm64/conf/NOTES b/sys/arm64/conf/NOTES
index 6b287375aae..75129b9e284 100644
--- a/sys/arm64/conf/NOTES
+++ b/sys/arm64/conf/NOTES
@@ -189,6 +189,10 @@ device		regulator
 device		syscon
 device		aw_syscon
 
+# Misc devices.
+device		pl330		# ARM PL330 dma controller
+device		xdma		# xDMA framework for SoC on-chip dma controllers
+
 # Chip-specific errata
 options 	THUNDERX_PASS_1_1_ERRATA