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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | /* * Copyright (c) 2018 Philémon Jaermann * * SPDX-License-Identifier: Apache-2.0 */ /dts-v1/; #include <st/f4/stm32f446Xe.dtsi> #include <st/f4/stm32f446r(c-e)tx-pinctrl.dtsi> #include "arduino_r3_connector.dtsi" / { model = "STMicroelectronics STM32F446RE-NUCLEO board"; compatible = "st,stm32f446re-nucleo"; chosen { zephyr,console = &usart2; zephyr,shell-uart = &usart2; zephyr,sram = &sram0; zephyr,flash = &flash0; zephyr,canbus = &can1; }; leds { compatible = "gpio-leds"; green_led_2: led_2 { gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>; label = "User LD2"; }; }; gpio_keys { compatible = "gpio-keys"; user_button: button { label = "User"; gpios = <&gpioc 13 GPIO_ACTIVE_LOW>; }; }; aliases { led0 = &green_led_2; sw0 = &user_button; }; }; &clk_hse { hse-bypass; clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */ status = "okay"; }; &pll { div-m = <8>; mul-n = <384>; div-p = <4>; div-q = <8>; clocks = <&clk_hse>; status = "okay"; }; &rcc { clocks = <&pll>; clock-frequency = <DT_FREQ_M(96)>; ahb-prescaler = <1>; apb1-prescaler = <2>; apb2-prescaler = <1>; }; &usart1 { pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>; pinctrl-names = "default"; current-speed = <115200>; status = "okay"; }; &usart2 { pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>; pinctrl-names = "default"; current-speed = <115200>; status = "okay"; }; &i2c1 { pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>; pinctrl-names = "default"; status = "okay"; clock-frequency = <I2C_BITRATE_FAST>; }; &i2c2 { pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb3>; pinctrl-names = "default"; status = "okay"; clock-frequency = <I2C_BITRATE_FAST>; }; &i2c3 { pinctrl-0 = <&i2c3_scl_pa8 &i2c3_sda_pb4>; pinctrl-names = "default"; status = "okay"; clock-frequency = <I2C_BITRATE_FAST>; }; &spi1 { pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>; pinctrl-names = "default"; status = "okay"; }; &rtc { status = "okay"; }; &backup_sram { status = "okay"; }; &can1 { /* CAUTION: PB8 and PB9 may conflict with same pins of I2C1 */ pinctrl-0 = <&can1_rx_pb8 &can1_tx_pb9>; pinctrl-names = "default"; bus-speed = <125000>; status = "okay"; }; &flash0 { partitions { compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; boot_partition: partition@0 { label = "mcuboot"; reg = <0x00000000 DT_SIZE_K(64)>; read-only; }; /* * The flash starting at 0x00010000 and ending at * 0x0001ffff (sectors 16-31) is reserved for use * by the application. */ storage_partition: partition@10000 { label = "storage"; reg = <0x00010000 DT_SIZE_K(64)>; }; slot0_partition: partition@20000 { label = "image-0"; reg = <0x00020000 DT_SIZE_K(128)>; }; slot1_partition: partition@40000 { label = "image-1"; reg = <0x00040000 DT_SIZE_K(128)>; }; scratch_partition: partition@60000 { label = "image-scratch"; reg = <0x00060000 DT_SIZE_K(128)>; }; }; }; |