diff --git a/dts/arm/nordic/nrf51822.dtsi b/dts/arm/nordic/nrf51822.dtsi
index f7bc6cbb37e..e472f60c08f 100644
--- a/dts/arm/nordic/nrf51822.dtsi
+++ b/dts/arm/nordic/nrf51822.dtsi
@@ -37,7 +37,7 @@
 
 	soc {
 
-		flash-controller@4001e000 {
+		flash_controller: flash-controller@4001e000 {
 			compatible = "nordic,nrf51-flash-controller";
 			reg = <0x4001e000 0x1000>;
 
diff --git a/dts/arm/nordic/nrf52810.dtsi b/dts/arm/nordic/nrf52810.dtsi
index 4acd2cf3273..b04485d1f71 100644
--- a/dts/arm/nordic/nrf52810.dtsi
+++ b/dts/arm/nordic/nrf52810.dtsi
@@ -36,7 +36,7 @@
 
 	soc {
 
-		flash-controller@4001e000 {
+		flash_controller: flash-controller@4001e000 {
 			compatible = "nordic,nrf52-flash-controller";
 			reg = <0x4001e000 0x1000>;
 
diff --git a/dts/arm/nordic/nrf52811.dtsi b/dts/arm/nordic/nrf52811.dtsi
index 99603026ec7..30bf3ac6a51 100644
--- a/dts/arm/nordic/nrf52811.dtsi
+++ b/dts/arm/nordic/nrf52811.dtsi
@@ -40,7 +40,7 @@
 
 	soc {
 
-		flash-controller@4001e000 {
+		flash_controller: flash-controller@4001e000 {
 			compatible = "nordic,nrf52-flash-controller";
 			reg = <0x4001e000 0x1000>;
 
diff --git a/dts/arm/nordic/nrf52832.dtsi b/dts/arm/nordic/nrf52832.dtsi
index eede07be317..4e91cff71c2 100644
--- a/dts/arm/nordic/nrf52832.dtsi
+++ b/dts/arm/nordic/nrf52832.dtsi
@@ -44,7 +44,7 @@
 
 	soc {
 
-		flash-controller@4001e000 {
+		flash_controller: flash-controller@4001e000 {
 			compatible = "nordic,nrf52-flash-controller";
 			reg = <0x4001e000 0x1000>;
 
diff --git a/dts/arm/nordic/nrf52833.dtsi b/dts/arm/nordic/nrf52833.dtsi
index d5ce9e07d37..0ace66a8a3a 100644
--- a/dts/arm/nordic/nrf52833.dtsi
+++ b/dts/arm/nordic/nrf52833.dtsi
@@ -53,7 +53,7 @@
 
 	soc {
 
-		flash-controller@4001e000 {
+		flash_controller: flash-controller@4001e000 {
 			compatible = "nordic,nrf52-flash-controller";
 			reg = <0x4001e000 0x1000>;
 
diff --git a/dts/arm/nordic/nrf52840.dtsi b/dts/arm/nordic/nrf52840.dtsi
index c9d46197ea9..50a9132e2a7 100644
--- a/dts/arm/nordic/nrf52840.dtsi
+++ b/dts/arm/nordic/nrf52840.dtsi
@@ -52,7 +52,7 @@
 
 	soc {
 
-		flash-controller@4001e000 {
+		flash_controller: flash-controller@4001e000 {
 			compatible = "nordic,nrf52-flash-controller";
 			reg = <0x4001e000 0x1000>;