diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index 07c29658696c..90d8f56ceb83 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -576,6 +576,9 @@ usbotg_hs: usb@40040000 {
 			interrupts = <77>;
 			clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHS)>;
 			clock-names = "otg";
+			g-rx-fifo-size = <256>;
+			g-np-tx-fifo-size = <32>;
+			g-tx-fifo-size = <128 128 64 64 64 64 32 32>;
 			status = "disabled";
 		};