boards/arm/olimexino_stm32/olimexino_stm32.dts

/*
 * Copyright (c) 2017 I-SENSE group of ICCS
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f1/stm32f103Xb.dtsi>
#include <st/f1/stm32f103r(8-b)tx-pinctrl.dtsi>

/ {
	model = "Olimex OLIMEXINO-STM32 board";
	compatible = "olimex,olimexino_stm32", "st,stm32f103rb";

	chosen {
		zephyr,console = &usart1;
		zephyr,shell-uart = &usart1;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,can-primary = &can1;
	};

	leds {
		compatible = "gpio-leds";
		green_led_1: led_1 {
			gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
			label = "LED1";
		};
		yellow_led_2: led_2 {
			gpios = <&gpioa 1 GPIO_ACTIVE_HIGH>;
			label = "LED2";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "Key";
			gpios = <&gpioc 9 GPIO_ACTIVE_LOW>;
		};
	};

	aliases {
		led0 = &green_led_1;
		led1 = &yellow_led_2;
		sw0 = &user_button;
	};
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(8)>;
	status = "okay";
};

&pll {
	mul = <9>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(72)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <2>;
	apb2-prescaler = <1>;
};

uext_i2c: &i2c2 {};
uext_spi: &spi1 {};
uext_serial: &usart1 {};

&usart1 {
	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
	current-speed = <115200>;
	status = "okay";
};

&usart2 {
	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
	current-speed = <115200>;
};

&usart3 {
	pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
	current-speed = <115200>;
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&i2c2 {
	pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>;
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&spi1 {
	pinctrl-0 = <&spi1_nss_master_pa4 &spi1_sck_master_pa5
		      &spi1_miso_master_pa6 &spi1_mosi_master_pa7>;
	status = "okay";
};

&spi2 {
	pinctrl-0 = <&spi2_nss_master_pb12 &spi2_sck_master_pb13
		      &spi2_miso_master_pb14 &spi2_mosi_master_pb15>;
	status = "okay";
	cs-gpios = <&gpiod 2 GPIO_ACTIVE_HIGH>;

	sdhc0: sdhc@0 {
		compatible = "zephyr,mmc-spi-slot";
		reg = <0>;
		status = "okay";
		label = "SDHC0";
		spi-max-frequency = <24000000>;
	};
};

zephyr_udc0: &usb {
	status = "okay";
	disconnect-gpios = <&gpioc 12 GPIO_ACTIVE_LOW>;
	pinctrl-0 = <&usb_dm_pa11 &usb_dp_pa12>;
};

&timers1 {
	status = "okay";

	pwm1: pwm {
		status = "okay";
		st,prescaler = <10000>;
		pinctrl-0 = <&tim1_ch1_pwm_pa8>;
	};
};

&iwdg {
	status = "okay";
};

&can1 {
	pinctrl-0 = <&can_rx_pb8 &can_tx_pb9>;
	bus-speed = <125000>;
	sjw = <1>;
	prop-seg = <0>;
	phase-seg1 = <5>;
	phase-seg2 = <6>;
	status = "okay";
};