diff --git a/arch/arm/dts/imx8mm-phygate-tauri-l-u-boot.dtsi b/arch/arm/dts/imx8mm-phygate-tauri-l-u-boot.dtsi
new file mode 100644
index 0000000..f59f119
--- /dev/null
+++ b/arch/arm/dts/imx8mm-phygate-tauri-l-u-boot.dtsi
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2024 PHYTEC Messtechnik GmbH
+ */
+
+#include "imx8mm-u-boot.dtsi"
+
+/ {
+	wdt-reboot {
+		compatible = "wdt-reboot";
+		wdt = <&wdog1>;
+		bootph-pre-ram;
+	};
+};
+
+&pinctrl_uart3 {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc2_gpio {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc2 {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc3 {
+	bootph-pre-ram;
+};
+
+&pinctrl_wdog {
+	bootph-pre-ram;
+};
+
+&gpio1 {
+	bootph-pre-ram;
+};
+
+&gpio2 {
+	bootph-pre-ram;
+};
+
+&gpio3 {
+	bootph-pre-ram;
+};
+
+&gpio4 {
+	bootph-pre-ram;
+};
+
+&gpio5 {
+	bootph-pre-ram;
+};
+
+&uart3 {
+	bootph-pre-ram;
+};
+
+&usdhc2 {
+	bootph-pre-ram;
+};
+
+&usdhc3 {
+	bootph-pre-ram;
+};
+
+&wdog1 {
+	bootph-pre-ram;
+};