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* Copyright (c) 2018 AJ Palmer
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/f7/stm32f756Xg.dtsi>
#include <st/f7/stm32f756zgtx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
/*
* WARNING: The pin PA7 will conflict on selection of SPI_1 and ETH_STM32_HAL.
* If you require both peripherals, and you do not need Arduino Uno v3
* comaptability, the pin PB5 (also on ST Zio connector) can be used
* for the SPI_1 MOSI signal.
*/
/ {
model = "STMicroelectronics STM32F756ZG-NUCLEO board";
compatible = "st,stm32f756zg-nucleo";
chosen {
zephyr,console = &usart3;
zephyr,shell-uart = &usart3;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zephyr,dtcm = &dtcm;
};
leds {
compatible = "gpio-leds";
green_led: led_0 {
gpios = <&gpiob 0 GPIO_ACTIVE_HIGH>;
label = "User LD1";
};
blue_led: led_1 {
gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;
label = "User LD2";
};
red_led: led_2 {
gpios = <&gpiob 14 GPIO_ACTIVE_HIGH>;
label = "User LD3";
};
};
gpio_keys {
compatible = "gpio-keys";
user_button: button_0 {
label = "User";
gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
};
};
aliases {
led0 = &green_led;
led1 = &blue_led;
led2 = &red_led;
sw0 = &user_button;
};
};
&clk_hse {
hse-bypass;
clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
status = "okay";
};
&pll {
div-m = <4>;
mul-n = <72>;
div-p = <2>;
div-q = <3>;
clocks = <&clk_hse>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(72)>;
ahb-prescaler = <1>;
apb1-prescaler = <2>;
apb2-prescaler = <1>;
};
&usart2 {
pinctrl-0 = <&usart2_tx_pd5 &usart2_rx_pd6
&usart2_rts_pd4 &usart2_cts_pd3>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&usart3 {
pinctrl-0 = <&usart3_tx_pd8 &usart3_rx_pd9>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&usart6 {
pinctrl-0 = <&usart6_tx_pg14 &usart6_rx_pg9>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
zephyr_udc0: &usbotg_fs {
pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
pinctrl-names = "default";
status = "okay";
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&timers1 {
st,prescaler = <10000>;
status = "okay";
pwm1: pwm {
status = "okay";
pinctrl-0 = <&tim1_ch3_pe13>;
pinctrl-names = "default";
};
};
&spi1 {
pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
pinctrl-names = "default";
cs-gpios = <&gpiod 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
status = "okay";
};
&mac {
status = "okay";
pinctrl-0 = <ð_mdc_pc1
ð_rxd0_pc4
ð_rxd1_pc5
ð_ref_clk_pa1
ð_mdio_pa2
ð_crs_dv_pa7
ð_tx_en_pg11
ð_txd0_pg13
ð_txd1_pb13>;
pinctrl-names = "default";
};
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