| /* | 
 |  * Copyright (c) 2020 Steven Daglish <s.c.daglish@gmail.com> | 
 |  * | 
 |  * SPDX-License-Identifier: Apache-2.0 | 
 |  */ | 
 |  | 
 | /dts-v1/; | 
 | #include <st/l0/stm32l011X4.dtsi> | 
 | #include <st/l0/stm32l011k(3-4)tx-pinctrl.dtsi> | 
 |  | 
 | / { | 
 | 	model = "STMicroelectronics STM32L011K4-NUCLEO board"; | 
 | 	compatible = "st,stm32l011k4-nucleo"; | 
 |  | 
 | 	chosen { | 
 | 		zephyr,console = &usart2; | 
 | 		zephyr,shell-uart = &usart2; | 
 | 		zephyr,sram = &sram0; | 
 | 		zephyr,flash = &flash0; | 
 | 	}; | 
 |  | 
 | 	leds { | 
 | 		compatible = "gpio-leds"; | 
 | 		green_led_2: led_2 { | 
 | 			gpios = <&gpiob 3 GPIO_ACTIVE_HIGH>; | 
 | 			label = "User LD2"; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	gpio_keys { | 
 | 		compatible = "gpio-keys"; | 
 | 		user_button: button { | 
 | 			label = "User"; | 
 | 			gpios = <&gpioa 12 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	aliases { | 
 | 		led0 = &green_led_2; | 
 | 		eeprom-0 = &eeprom; | 
 | 	}; | 
 | }; | 
 |  | 
 | &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_pa15>; | 
 | 	pinctrl-names = "default"; | 
 | 	current-speed = <115200>; | 
 | 	status = "okay"; | 
 | }; | 
 |  | 
 | &i2c1 { | 
 | 	pinctrl-0 = <&i2c1_scl_pa4 &i2c1_sda_pa10>; | 
 | 	pinctrl-names = "default"; | 
 | 	status = "okay"; | 
 | 	clock-frequency = <I2C_BITRATE_FAST>; | 
 | }; | 
 |  | 
 | &spi1 { | 
 | 	status = "okay"; | 
 | }; | 
 |  | 
 | &eeprom { | 
 | 	status = "okay"; | 
 | }; |