1/*
2 * Copyright (c) 2018 Anthony Kreft <anthony.kreft@gmail.com>
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7/dts-v1/;
8#include <st/l0/stm32l053X8.dtsi>
9#include <st/l0/stm32l053r(6-8)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 STM32L053R8-NUCLEO board";
16	compatible = "st,stm32l053r8-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		green_led_2: led_2 {
28			gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
29			label = "User LD2";
30		};
31	};
32
33	gpio_keys {
34		compatible = "gpio-keys";
35		user_button: button {
36			label = "User";
37			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
38			zephyr,code = <INPUT_KEY_0>;
39		};
40	};
41
42	aliases {
43		led0 = &green_led_2;
44		sw0 = &user_button;
45		eeprom-0 = &eeprom;
46	};
47};
48
49&clk_hse {
50	hse-bypass;
51	clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
52	status = "okay";
53};
54
55&pll {
56	clocks = <&clk_hse>;
57	mul = <8>;
58	div = <2>;
59	status = "okay";
60};
61
62&rcc {
63	clocks = <&pll>;
64	clock-frequency = <DT_FREQ_M(32)>;
65	ahb-prescaler = <1>;
66	apb1-prescaler = <1>;
67	apb2-prescaler = <1>;
68};
69
70/* Due to limited available memory, don't enable gpiod and gpiof */
71/* (Test cases fail due to 'SRAM' region overflow) */
72&gpiod {status = "disabled";};
73&gpioh {status = "disabled";};
74
75&usart1 {
76	pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
77	pinctrl-names = "default";
78	current-speed = <115200>;
79};
80
81&usart2 {
82	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
83	pinctrl-names = "default";
84	current-speed = <115200>;
85	status = "okay";
86};
87
88&i2c1 {
89	pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
90	pinctrl-names = "default";
91	status = "okay";
92	clock-frequency = <I2C_BITRATE_FAST>;
93};
94
95&spi1 {
96	pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
97	pinctrl-names = "default";
98	status = "okay";
99};
100
101&eeprom {
102	status = "okay";
103};
104