diff --git a/arch/arm/dts/stm32mp215f-dk-u-boot.dtsi b/arch/arm/dts/stm32mp215f-dk-u-boot.dtsi
index e4b44af6df9..0046b22db7a 100644
--- a/arch/arm/dts/stm32mp215f-dk-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp215f-dk-u-boot.dtsi
@@ -9,3 +9,11 @@
 		u-boot,mmc-env-partition = "u-boot-env";
 	};
 };
+
+&syscfg {
+	bootph-all;
+};
+
+&usart2 {
+	bootph-all;
+};