1/* 2 * Copyright (c) 2024 STMicroelectronics 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7/ { 8 arduino_header: connector { 9 compatible = "arduino-header-r3"; 10 #gpio-cells = <2>; 11 gpio-map-mask = <0xffffffff 0xffffffc0>; 12 gpio-map-pass-thru = <0 0x3f>; 13 14 /* Most pins are not connected to the Arduino 15 * connector in default hardware configuration. 16 * Only the connected pins are provided here. 17 */ 18 gpio-map = <14 0 &gpiob 15 0>, /* D8 */ 19 <16 0 &gpioa 9 0>, /* D10 */ 20 <17 0 &gpioa 11 0>, /* D11 */ 21 <18 0 &gpioa 8 0>, /* D12 */ 22 <19 0 &gpiob 3 0>, /* D13 */ 23 <20 0 &gpiob 7 0>, /* D14 */ 24 <21 0 &gpiob 6 0>; /* D15 */ 25 }; 26}; 27 28arduino_i2c: &i2c1 {}; 29arduino_serial: &usart1 {}; 30arduino_spi: &spi3 {}; 31