boards: nxp: Add kw45b41z-evk board support

NXP KW45 EVK board support

Signed-off-by: Sumit Batra <[email protected]>

boards/nxp/kw45b41z_evk/Kconfig

@@ -0,0 +1,8 @@
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_INIT_PRIORITY
+	int "Board initialization priority"
+	default 45
+	help
+	  Board initialization priority.

boards/nxp/kw45b41z_evk/Kconfig.defconfig

@@ -0,0 +1,11 @@
+# KW45B41Z-EVK board
+
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_KW45B41Z_EVK
+
+config BT_DIS_MANUF
+	default "NXP"
+
+endif # BOARD_KW45B41Z_EVK

boards/nxp/kw45b41z_evk/Kconfig.kw45b41z_evk

@@ -0,0 +1,6 @@
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_KW45B41Z_EVK
+	select SOC_KW45B41Z83
+	select SOC_PART_NUMBER_KW45B41Z83AFTA

boards/nxp/kw45b41z_evk/board.cmake

@@ -0,0 +1,6 @@
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+board_runner_args(jlink "--device=kw45b41z83" "--reset-after-load")
+
+include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)

boards/nxp/kw45b41z_evk/board.yml

@@ -0,0 +1,8 @@
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+board:
+  name: kw45b41z_evk
+  vendor: nxp
+  socs:
+    - name: kw45b41z83

boards/nxp/kw45b41z_evk/kw45b41z_evk-pinctrl.dtsi

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2025 NXP
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <nxp/mcx/MCXW716CMFTA-pinctrl.h>
+
+&pinctrl {
+	pinmux_lpuart0: pinmux_lpuart0 {
+		group0 {
+			pinmux = <LPUART0_RX_PTA16>, <LPUART0_TX_PTA17>;
+			drive-strength = "low";
+			slew-rate = "fast";
+		};
+	};
+
+	pinmux_lpuart1: pinmux_lpuart1 {
+		group0 {
+			pinmux = <LPUART1_RX_PTC2>, <LPUART1_TX_PTC3>;
+			drive-strength = "low";
+			slew-rate = "fast";
+		};
+	};
+
+	pinmux_tpm0: pinmux_tpm0 {
+		group0 {
+			pinmux = <TPM0_CH0_PTA21>,
+				<TPM0_CH1_PTA20>,
+				<TPM0_CH2_PTA19>;
+			drive-strength = "low";
+			slew-rate = "fast";
+		};
+	};
+
+	pinmux_lpi2c1: pinmux_lpi2c1 {
+		group0 {
+			pinmux = <LPI2C1_SCL_PTC0>,
+				<LPI2C1_SDA_PTC1>;
+			drive-strength = "low";
+			slew-rate = "fast";
+			bias-pull-up;
+		};
+	};
+
+	pinmux_lpspi1: pinmux_lpspi1 {
+		group0 {
+			pinmux = <LPSPI1_SIN_PTB1>,
+				 <LPSPI1_SOUT_PTB3>;
+			slew-rate = "fast";
+			drive-strength = "low";
+		};
+	};
+
+	pinmux_flexcan: pinmux_flexcan {
+		group0 {
+			pinmux = <CAN0_RX_PTC5>, <CAN0_TX_PTC4>;
+			slew-rate = "slow";
+			drive-strength = "low";
+		};
+	};
+
+};

boards/nxp/kw45b41z_evk/kw45b41z_evk.dts

@@ -0,0 +1,150 @@
+/*
+ * Copyright 2025 NXP
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+
+#include <nxp/nxp_mcxw71.dtsi>
+#include "kw45b41z_evk-pinctrl.dtsi"
+
+/ {
+	model = "NXP KW45B41Z83-EVK board";
+	compatible = "nxp,kw45";
+
+	aliases {
+		led0 = &blue_led;
+		blue-pwm-led = &blue_pwm_led;
+		green-pwm-led = &green_pwm_led;
+		red-pwm-led = &red_pwm_led;
+	};
+
+	chosen {
+		zephyr,flash = &flash;
+		zephyr,flash-controller = &fmu;
+		zephyr,code-partition = &slot0_partition;
+		zephyr,sram = &stcm0;
+		zephyr,console = &lpuart1;
+		zephyr,shell-uart = &lpuart1;
+		zephyr,uart-pipe = &lpuart0;
+		zephyr,canbus = &flexcan0;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		blue_led: led {
+			gpios = <&gpiob 0 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	pwmleds {
+		compatible = "pwm-leds";
+		blue_pwm_led: pwm_led_0 {
+			pwms = <&tpm0 1 PWM_USEC(200) PWM_POLARITY_NORMAL>;
+		};
+		green_pwm_led: pwm_led_1 {
+			pwms = <&tpm0 2 PWM_USEC(200) PWM_POLARITY_NORMAL>;
+		};
+		red_pwm_led: pwm_led_2 {
+			pwms = <&tpm0 0 PWM_USEC(200) PWM_POLARITY_NORMAL>;
+		};
+	};
+};
+
+&vref {
+	status = "okay";
+};
+
+&gpiob {
+	status = "okay";
+};
+
+&lpuart0 {
+	current-speed = <115200>;
+	status =  "okay";
+	pinctrl-0 = <&pinmux_lpuart0>;
+	pinctrl-names = "default";
+};
+
+&lpuart1 {
+	current-speed = <115200>;
+	status =  "okay";
+	pinctrl-0 = <&pinmux_lpuart1>;
+	pinctrl-names = "default";
+};
+
+&lpi2c1 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpi2c1>;
+	pinctrl-names = "default";
+};
+
+&lpspi1 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpspi1>;
+	pinctrl-names = "default";
+};
+
+&flexcan0 {
+	status = "okay";
+	bitrate = <125000>;
+	pinctrl-0 = <&pinmux_flexcan>;
+	pinctrl-names = "default";
+
+	can-transceiver {
+		max-bitrate = <420000000>;
+	};
+};
+
+&flash {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		boot_partition: partition@0 {
+			reg = <0x0 DT_SIZE_K(64)>;
+		};
+
+		slot0_partition: partition@10000 {
+			reg = <0x10000 DT_SIZE_K(416)>;
+		};
+
+		slot1_partition: partition@78000 {
+			reg = <0x78000 DT_SIZE_K(416)>;
+		};
+
+		storage_partition: partition@e0000 {
+			reg = <0xe0000 DT_SIZE_K(128)>;
+		};
+	};
+};
+
+&fmu {
+	status = "okay";
+};
+
+&tpm0 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_tpm0>;
+	pinctrl-names = "default";
+};
+
+&lptmr0 {
+	status = "okay";
+};
+
+&flexcan0 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_flexcan>;
+	pinctrl-names = "default";
+
+	can-transceiver {
+		max-bitrate = <5000000>;
+	};
+};
+
+&nbu {
+	status = "okay";
+	wakeup-source;
+};

boards/nxp/kw45b41z_evk/kw45b41z_evk.yaml

@@ -0,0 +1,20 @@
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+identifier: kw45b41z_evk
+name: NXP KW45B41Z-EVK
+type: mcu
+arch: arm
+ram: 64
+flash: 1024
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+supported:
+  - can
+  - gpio
+  - spi
+  - watchdog
+  - i2c
+vendor: nxp

boards/nxp/kw45b41z_evk/kw45b41z_evk_defconfig

@@ -0,0 +1,10 @@
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_ARM_MPU=y
+CONFIG_TRUSTED_EXECUTION_SECURE=y
+CONFIG_PINCTRL=y
+CONFIG_SERIAL=y
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+CONFIG_GPIO=y

samples/bluetooth/beacon/sample.yaml

@@ -9,6 +9,7 @@ tests:
       - nrf51dk/nrf51822
       - nrf52dk/nrf52832
       - nrf54l15dk/nrf54l15/cpuapp
+      - kw45b41z_evk
     tags: bluetooth
     integration_platforms:
       - qemu_cortex_m3

tests/drivers/spi/spi_loopback/boards/kw45b41z_evk.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2024 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi1 {
+	slow@0 {
+		compatible = "test-spi-loopback-slow";
+		reg = <0>;
+		spi-max-frequency = <500000>;
+	};
+	fast@0 {
+		compatible = "test-spi-loopback-fast";
+		reg = <0>;
+		spi-max-frequency = <16000000>;
+	};
+};