boards/st/nucleo_l152re/nucleo_l152re.dts

/*
 * Copyright (c) 2019 Antony Pavlov <antonynpavlov@gmail.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/l1/stm32l152Xe.dtsi>
#include <st/l1/stm32l152retx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
#include "st_morpho_connector.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "STMicroelectronics STM32L152RE-NUCLEO board";
	compatible = "st,stm32l152re-nucleo";

	chosen {
		zephyr,console = &usart2;
		zephyr,shell-uart = &usart2;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
	};

	leds: leds {
		compatible = "gpio-leds";
		green_led_0: led_0 {
			gpios = <&gpioa 5 GPIO_ACTIVE_LOW>;
			label = "User LD2";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	aliases {
		led0 = &green_led_0;
		sw0 = &user_button;
		eeprom-0 = &eeprom;
		watchdog0 = &iwdg;
		die-temp0 = &die_temp;
		volt-sensor0 = &vref;
	};
};

&clk_lsi {
	status = "okay";
};

&clk_hsi {
	status = "okay";
};

&pll {
	div = <2>;
	mul = <4>;
	clocks = <&clk_hsi>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(32)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <1>;
	apb2-prescaler = <1>;
};

&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";
};

&spi1 {
	pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
	pinctrl-names = "default";
	cs-gpios = <&gpiob 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
	status = "okay";
};

&spi2 {
	pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13
		     &spi2_miso_pb14 &spi2_mosi_pb15>;
	pinctrl-names = "default";
	status = "okay";
};

&spi3 {
	/* SPI3 on the ST Morpho Connector CN7 pins 17, 1, 2, 3*/
	pinctrl-0 = <&spi3_nss_pa15 &spi3_sck_pc10
		     &spi3_miso_pc11 &spi3_mosi_pc12>;
	pinctrl-names = "default";
	status = "okay";
};

&eeprom {
	status = "okay";
};

&iwdg {
	status = "okay";
};

&rtc {
	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;
	status = "okay";
};

&adc1 {
	pinctrl-0 = <&adc_in0_pa0>;
	pinctrl-names = "default";
	st,adc-clock-source = <ASYNC>;
	st,adc-prescaler = <4>;
	status = "okay";
};

&die_temp {
	status = "okay";
};

&dac1 {
	status = "okay";
	pinctrl-0 = <&dac_out1_pa4>;
	pinctrl-names = "default";
};

&flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/* Set 2KB of storage at the end of 512KB flash */
		storage_partition: partition@7f800 {
			label = "storage";
			reg = <0x0007f800 DT_SIZE_K(2)>;
		};
	};
};

&timers3 {
	status = "okay";

	pwm3: pwm {
		status = "okay";
		pinctrl-0 = <&tim3_ch1_pa6>;
		pinctrl-names = "default";
	};
};

&dma1 {
	status = "okay";
};

&vref {
	status = "okay";
};