diff --git a/arch/arm/boot/dts/r7s9210-rza2mevb.dts b/arch/arm/boot/dts/r7s9210-rza2mevb.dts
index e720a22eaf58..fa44e35e0fda 100644
--- a/arch/arm/boot/dts/r7s9210-rza2mevb.dts
+++ b/arch/arm/boot/dts/r7s9210-rza2mevb.dts
@@ -58,6 +58,11 @@ &rtc_x1_clk {
 	clock-frequency = <32768>;
 };
 
+/* USB_X1 */
+&usb_x1_clk {
+	clock-frequency = <48000000>;
+};
+
 &pinctrl {
 	/* Serial Console */
 	scif4_pins: serial4 {