diff --git a/arch/arm/boot/dts/am33xx-l4.dtsi b/arch/arm/boot/dts/am33xx-l4.dtsi
index dcce5e3e001eba0b31ee9f74e5df0e86d76f6991..268793bd88cb77ff50ca02a7bbe833953e59bb57 100644
--- a/arch/arm/boot/dts/am33xx-l4.dtsi
+++ b/arch/arm/boot/dts/am33xx-l4.dtsi
@@ -1486,7 +1486,7 @@
 				#mbox-cells = <1>;
 				ti,mbox-num-users = <4>;
 				ti,mbox-num-fifos = <8>;
-				mbox_wkupm3: wkup_m3 {
+				mbox_wkupm3: mbox-wkup-m3 {
 					ti,mbox-send-noirq;
 					ti,mbox-tx = <0 0 0>;
 					ti,mbox-rx = <0 0 3>;
diff --git a/arch/arm/boot/dts/am437x-l4.dtsi b/arch/arm/boot/dts/am437x-l4.dtsi
index d681f51005780dd20a6978c3005e43add3c8a5e9..204d3d42b09f0f3ac930a8d33224dbb99e8415ae 100644
--- a/arch/arm/boot/dts/am437x-l4.dtsi
+++ b/arch/arm/boot/dts/am437x-l4.dtsi
@@ -1168,7 +1168,7 @@
 				#mbox-cells = <1>;
 				ti,mbox-num-users = <4>;
 				ti,mbox-num-fifos = <8>;
-				mbox_wkupm3: wkup_m3 {
+				mbox_wkupm3: mbox-wkup-m3 {
 					ti,mbox-send-noirq;
 					ti,mbox-tx = <0 0 0>;
 					ti,mbox-rx = <0 0 3>;