diff --git a/arch/arm/dts/imx6ull-14x14-evk-u-boot.dtsi b/arch/arm/dts/imx6ull-14x14-evk-u-boot.dtsi
index a6c2cc8c1a..0b185712f9 100644
--- a/arch/arm/dts/imx6ull-14x14-evk-u-boot.dtsi
+++ b/arch/arm/dts/imx6ull-14x14-evk-u-boot.dtsi
@@ -6,3 +6,7 @@
 &pinctrl_uart1 {
 	bootph-all;
 };
+
+&rngb {
+	bootph-all;
+};