diff --git a/arch/arm/dts/stm32mp13-u-boot.dtsi b/arch/arm/dts/stm32mp13-u-boot.dtsi
index aa5cfc6e41d..af7edc7e2b2 100644
--- a/arch/arm/dts/stm32mp13-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp13-u-boot.dtsi
@@ -111,3 +111,8 @@
 &syscfg {
 	bootph-all;
 };
+
+&usbphyc {
+	/* stm32-usbphyc-clk = ck_usbo_48m is a source clock of RCC CCF */
+	bootph-all;
+};