1/*
2 * Copyright (c) 2025 Alex Fabre
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7/dts-v1/;
8#include <st/f0/stm32f072Xb.dtsi>
9#include <st/f0/stm32f072r(8-b)tx-pinctrl.dtsi>
10#include "arduino_r3_connector.dtsi"
11#include "st_morpho_connector.dtsi"
12#include <zephyr/dt-bindings/input/input-event-codes.h>
13
14/ {
15	model = "STMicroelectronics NUCLEO-F072RB board";
16	compatible = "st,stm32f072rb-nucleo";
17
18	chosen {
19		zephyr,console = &usart2;
20		zephyr,shell-uart = &usart2;
21		zephyr,sram = &sram0;
22		zephyr,flash = &flash0;
23	};
24
25	leds: leds {
26		compatible = "gpio-leds";
27
28		green_led_2: led_2 {
29			gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
30			label = "User LD2";
31		};
32	};
33
34	gpio_keys {
35		compatible = "gpio-keys";
36
37		user_button: button {
38			label = "User";
39			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
40			zephyr,code = <INPUT_KEY_0>;
41		};
42	};
43
44	aliases {
45		led0 = &green_led_2;
46		sw0 = &user_button;
47		watchdog0 = &iwdg;
48		die-temp0 = &die_temp;
49		volt-sensor0 = &vref;
50	};
51};
52
53&clk_lse {
54	status = "okay";
55};
56
57&clk_hse {
58	hse-bypass;
59	clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
60	status = "okay";
61};
62
63&pll {
64	clocks = <&clk_hse>;
65	prediv = <1>;
66	mul = <6>;
67	status = "okay";
68};
69
70&rcc {
71	clocks = <&pll>;
72	clock-frequency = <DT_FREQ_M(48)>;
73	ahb-prescaler = <1>;
74	apb1-prescaler = <2>;
75};
76
77&usart1 {
78	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
79	pinctrl-names = "default";
80	current-speed = <115200>;
81	status = "okay";
82};
83
84&usart2 {
85	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
86	pinctrl-names = "default";
87	current-speed = <115200>;
88	status = "okay";
89};
90
91&i2c1 {
92	pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
93	pinctrl-names = "default";
94	status = "okay";
95	clock-frequency = <I2C_BITRATE_FAST>;
96};
97
98&i2c2 {
99	pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>;
100	pinctrl-names = "default";
101	status = "okay";
102	clock-frequency = <I2C_BITRATE_FAST>;
103};
104
105&spi1 {
106	pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
107	pinctrl-names = "default";
108	cs-gpios = <&gpiob 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
109	status = "okay";
110};
111
112&spi2 {
113	pinctrl-0 = <&spi2_sck_pb13 &spi2_miso_pb14 &spi2_mosi_pb15>;
114	pinctrl-names = "default";
115	status = "okay";
116};
117
118&iwdg {
119	status = "okay";
120};
121
122&adc1 {
123	pinctrl-0 = <&adc_in0_pa0>;
124	pinctrl-names = "default";
125	st,adc-clock-source = "SYNC";
126	st,adc-prescaler = <4>;
127	status = "okay";
128};
129
130&rtc {
131	clocks = <&rcc STM32_CLOCK(APB1, 28)>,
132		 <&rcc STM32_SRC_LSE RTC_SEL(1)>;
133	status = "okay";
134};
135
136&die_temp {
137	status = "okay";
138};
139
140&vref {
141	status = "okay";
142};
143