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sumitbatra-nxpsumitbatra-nxp
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boards: nxp: Add kw45b41z-evk board support
NXP KW45 EVK board support Signed-off-by: Sumit Batra <sumit.batra@nxp.com>
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‎boards/nxp/kw45b41z_evk/Kconfig

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# Copyright 2025 NXP
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_INIT_PRIORITY
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int "Board initialization priority"
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default 45
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help
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Board initialization priority.

‎boards/nxp/kw45b41z_evk/Kconfig.defconfig

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# KW45B41Z-EVK board
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# Copyright 2025 NXP
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# SPDX-License-Identifier: Apache-2.0
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if BOARD_KW45B41Z_EVK
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config BT_DIS_MANUF
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default "NXP"
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endif # BOARD_KW45B41Z_EVK

‎boards/nxp/kw45b41z_evk/Kconfig.kw45b41z_evk

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# Copyright 2025 NXP
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_KW45B41Z_EVK
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select SOC_KW45B41Z83
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select SOC_PART_NUMBER_KW45B41Z83AFTA

‎boards/nxp/kw45b41z_evk/board.cmake

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

‎boards/nxp/kw45b41z_evk/board.yml

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# Copyright 2025 NXP
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# SPDX-License-Identifier: Apache-2.0
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board:
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name: kw45b41z_evk
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vendor: nxp
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socs:
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- name: kw45b41z83

‎boards/nxp/kw45b41z_evk/kw45b41z_evk-pinctrl.dtsi

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

‎boards/nxp/kw45b41z_evk/kw45b41z_evk.dts

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

‎boards/nxp/kw45b41z_evk/kw45b41z_evk.yaml

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

‎boards/nxp/kw45b41z_evk/kw45b41z_evk_defconfig

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# Copyright 2025 NXP
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_ARM_MPU=y
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CONFIG_TRUSTED_EXECUTION_SECURE=y
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CONFIG_PINCTRL=y
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CONFIG_SERIAL=y
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y
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CONFIG_GPIO=y

‎samples/bluetooth/beacon/sample.yaml

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- nrf51dk/nrf51822
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- nrf52dk/nrf52832
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- nrf54l15dk/nrf54l15/cpuapp
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- kw45b41z_evk
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tags: bluetooth
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integration_platforms:
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- qemu_cortex_m3

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