/dts-v1/; #include / { model = "Hexiwear KW40 board"; compatible = "nxp,kw40z", "nxp,mkw40z4"; aliases { lpuart_0 = &lpuart0; pinmux_a = &pinmux_a; pinmux_b = &pinmux_b; pinmux_c = &pinmux_c; gpio_a = &gpioa; gpio_b = &gpiob; gpio_c = &gpioc; }; chosen { zephyr,sram = &sram0; zephyr,flash = &flash0; }; }; &lpuart0 { status = "ok"; current-speed = <115200>; };