diff --git a/arch/arm/dts/imx8mq-pico-pi-u-boot.dtsi b/arch/arm/dts/imx8mq-pico-pi-u-boot.dtsi
new file mode 100644
index 0000000..9537aed
--- /dev/null
+++ b/arch/arm/dts/imx8mq-pico-pi-u-boot.dtsi
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+&pinctrl_uart1 {
+	u-boot,dm-spl;
+};
+
+&uart1 {
+	u-boot,dm-spl;
+};