diff --git a/boards/arm/frdm_k82f/frdm_k82f-pinctrl.dtsi b/boards/arm/frdm_k82f/frdm_k82f-pinctrl.dtsi
index 1859bb91ddd..d09e5bcaa37 100644
--- a/boards/arm/frdm_k82f/frdm_k82f-pinctrl.dtsi
+++ b/boards/arm/frdm_k82f/frdm_k82f-pinctrl.dtsi
@@ -1,6 +1,6 @@
 /*
- * NOTE: Autogenerated file by kinetis_signal2dts.py
- *       for MK82FN256VLL15/signal_configuration.xml
+ * NOTE: Autogenerated file by kinetis_cfg_utils.py
+ * for MK82FN256VLL15/signal_configuration.xml
  *
  * Copyright (c) 2022, NXP
  * SPDX-License-Identifier: Apache-2.0
@@ -49,6 +49,15 @@
 		};
 	};
 
+	lpuart0_default: lpuart0_default {
+		group0 {
+			pinmux = <LPUART0_RX_PTB16>,
+				<LPUART0_TX_PTB17>;
+			drive-strength = "low";
+			slew-rate = "fast";
+		};
+	};
+
 	lpuart4_default: lpuart4_default {
 		group0 {
 			pinmux = <LPUART4_RX_PTC14>,
diff --git a/boards/arm/frdm_k82f/frdm_k82f.dts b/boards/arm/frdm_k82f/frdm_k82f.dts
index 1f27d0a1c7f..64807fce8df 100644
--- a/boards/arm/frdm_k82f/frdm_k82f.dts
+++ b/boards/arm/frdm_k82f/frdm_k82f.dts
@@ -188,6 +188,11 @@
 	current-speed = <115200>;
 };
 
+&lpuart0 {
+	pinctrl-0 = <&lpuart0_default>;
+	pinctrl-names = "default";
+};
+
 &ftm3 {
 	status = "okay";
 	compatible = "nxp,kinetis-ftm-pwm";
diff --git a/boards/arm/mimxrt1024_evk/mimxrt1024_evk.dts b/boards/arm/mimxrt1024_evk/mimxrt1024_evk.dts
index f96739115db..6a6bb898ac9 100644
--- a/boards/arm/mimxrt1024_evk/mimxrt1024_evk.dts
+++ b/boards/arm/mimxrt1024_evk/mimxrt1024_evk.dts
@@ -104,6 +104,12 @@
 	pinctrl-names = "default", "sleep";
 };
 
+&lpuart2 {
+	pinctrl-0 = <&pinmux_lpuart2>;
+	pinctrl-1 = <&pinmux_lpuart2_sleep>;
+	pinctrl-names = "default", "sleep";
+};
+
 &flexcan1 {
 	status = "okay";
 	bus-speed = <125000>;
diff --git a/boards/arm/mimxrt1160_evk/mimxrt1160_evk.dtsi b/boards/arm/mimxrt1160_evk/mimxrt1160_evk.dtsi
index 6cb40d29529..49b2b104f99 100644
--- a/boards/arm/mimxrt1160_evk/mimxrt1160_evk.dtsi
+++ b/boards/arm/mimxrt1160_evk/mimxrt1160_evk.dtsi
@@ -45,6 +45,12 @@
 	pinctrl-names = "default", "sleep";
 };
 
+&lpuart2 {
+	pinctrl-0 = <&pinmux_lpuart2>;
+	pinctrl-1 = <&pinmux_lpuart2_sleep>;
+	pinctrl-names = "default", "sleep";
+};
+
 &user_button {
 	status = "okay";
 };
diff --git a/boards/arm/mimxrt1170_evk/mimxrt1170_evk.dtsi b/boards/arm/mimxrt1170_evk/mimxrt1170_evk.dtsi
index 5fd7cf44838..33a7d098394 100644
--- a/boards/arm/mimxrt1170_evk/mimxrt1170_evk.dtsi
+++ b/boards/arm/mimxrt1170_evk/mimxrt1170_evk.dtsi
@@ -65,6 +65,12 @@
 	current-speed = <115200>;
 };
 
+&lpuart2 {
+	pinctrl-0 = <&pinmux_lpuart2>;
+	pinctrl-1 = <&pinmux_lpuart2_sleep>;
+	pinctrl-names = "default", "sleep";
+};
+
 &user_button {
 	status = "okay";
 };