1/* 2 * Copyright (c) 2019 Linumiz 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7/dts-v1/; 8#include <st/f4/stm32f401Xc.dtsi> 9#include <st/f4/stm32f401c(b-c)ux-pinctrl.dtsi> 10 11/ { 12 model = "STMicroelectronics Flight Controller Board"; 13 compatible = "st,flight-controller-board"; 14 15 chosen { 16 zephyr,console = &usart1; 17 zephyr,shell-uart = &usart1; 18 zephyr,sram = &sram0; 19 zephyr,flash = &flash0; 20 }; 21 22 leds { 23 compatible = "gpio-leds"; 24 red_led_1: led_1 { 25 gpios = <&gpiob 5 GPIO_ACTIVE_HIGH>; 26 label = "User LD1"; 27 }; 28 29 red_led_2: led_2 { 30 gpios = <&gpiob 4 GPIO_ACTIVE_HIGH>; 31 label = "User LD2"; 32 }; 33 }; 34 35 aliases { 36 led0 = &red_led_1; 37 led1 = &red_led_2; 38 }; 39}; 40 41&clk_hse { 42 clock-frequency = <DT_FREQ_M(16)>; 43 status = "okay"; 44}; 45 46&pll { 47 div-m = <16>; 48 mul-n = <336>; 49 div-p = <4>; 50 div-q = <7>; 51 clocks = <&clk_hse>; 52 status = "okay"; 53}; 54 55&rcc { 56 clocks = <&pll>; 57 clock-frequency = <DT_FREQ_M(84)>; 58 ahb-prescaler = <1>; 59 apb1-prescaler = <2>; 60 apb2-prescaler = <1>; 61}; 62 63&i2c2 { 64 pinctrl-0 = <&i2c2_sda_pb3 &i2c2_scl_pb10>; 65 status = "okay"; 66 clock-frequency = <I2C_BITRATE_FAST>; 67}; 68 69&usart1 { 70 pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>; 71 current-speed = <115200>; 72 status = "okay"; 73}; 74 75&timers2 { 76 status = "okay"; 77 78 pwm2: pwm { 79 status = "okay"; 80 pinctrl-0 = <&tim2_ch1_pa0>; 81 }; 82}; 83 84&rtc { 85 status = "okay"; 86}; 87 88&iwdg { 89 status = "okay"; 90}; 91