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arduino_due: add Arduino connector description

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This patch adds the standard Arduino UNO R3 connector description to the
Arduino Due board.

Signed-off-by: Luca Burelli <l.burelli@arduino.cc>
This commit is contained in:
Luca Burelli 2025-02-25 16:38:37 +01:00 • committed by Fabio Baltieri
commit b801fe61c2
2 changed files with 37 additions and 0 deletions
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1
boards/arduino/due/arduino_due.dts
View file

@ -4,6 +4,7 @@
#include <atmel/sam3x.dtsi> #include <atmel/sam3x.dtsi>
#include "arduino_due-pinctrl.dtsi" #include "arduino_due-pinctrl.dtsi"
#include "arduino_r3_connector.dtsi"
/ { / {
model = "Arduino Due with an Atmel SAM3X8E SoC"; model = "Arduino Due with an Atmel SAM3X8E SoC";

36
boards/arduino/due/arduino_r3_connector.dtsi Normal file
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@ -0,0 +1,36 @@
/*
* Copyright 2025 Arduino SA
*
* SPDX-License-Identifier: Apache-2.0
*/
/ {
arduino_header: connector {
compatible = "arduino-header-r3";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = < 0 0 &pioa 16 0>, /* A0 */
< 1 0 &pioa 24 0>, /* A1 */
< 2 0 &pioa 23 0>, /* A2 */
< 3 0 &pioa 22 0>, /* A3 */
< 4 0 &pioa 6 0>, /* A4 */
< 5 0 &pioa 4 0>, /* A5 */
< 6 0 &pioa 8 0>, /* D0 */
< 7 0 &pioa 9 0>, /* D1 */
< 8 0 &piob 25 0>, /* D2 */
< 9 0 &pioc 28 0>, /* D3 */
<10 0 &pioa 29 0>, /* D4 */
<11 0 &pioc 25 0>, /* D5 */
<12 0 &pioc 24 0>, /* D6 */
<13 0 &pioc 23 0>, /* D7 */
<14 0 &pioc 22 0>, /* D8 */
<15 0 &pioc 21 0>, /* D9 */
<16 0 &pioa 28 0>, /* D10 */
<17 0 &piod 7 0>, /* D11 */
<18 0 &piod 8 0>, /* D12 */
<19 0 &piob 27 0>, /* D13 */
<20 0 &pioa 17 0>, /* D20 */
<21 0 &pioa 18 0>; /* D21 */
};
};