diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts
index 5c5b1ddf7bfd21d7252fb4ec98ca088d2af948a4..ab42587797d5d6de163ad63416081e739ec6ad42 100644
--- a/arch/arm/boot/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts
@@ -375,3 +375,7 @@ &usbotg_hs {
 &usbphyc {
 	status = "okay";
 };
+
+&optee {
+	status = "okay";
+};