From 8548517b88efcbde701552e48193a3ff601a2ef5 Mon Sep 17 00:00:00 2001
From: Michael Scott <mike@foundries.io>
Date: Fri, 17 May 2019 10:05:00 -0700
Subject: [PATCH] boards: nrf52840_pca10056: add Arduino header definition to
 DTS

Let's expose the Arduino R3-compatible pin definition as DTS
for the nrf542840_pca10056 board.

Signed-off-by: Michael Scott <mike@foundries.io>
---
 .../nrf52840_pca10056/nrf52840_pca10056.dts   | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/boards/arm/nrf52840_pca10056/nrf52840_pca10056.dts b/boards/arm/nrf52840_pca10056/nrf52840_pca10056.dts
index 4ce6e1e54d1..e4ac18f796f 100644
--- a/boards/arm/nrf52840_pca10056/nrf52840_pca10056.dts
+++ b/boards/arm/nrf52840_pca10056/nrf52840_pca10056.dts
@@ -62,6 +62,33 @@
 		};
 	};
 
+	arduino_header: connector {
+		compatible = "arduino-header-r3";
+		#gpio-cells = <2>;
+		gpio-map = <0 0 &gpio0 3 0>,	/* A0 */
+			   <1 0 &gpio0 4 0>,	/* A1 */
+			   <2 0 &gpio0 28 0>,	/* A2 */
+			   <3 0 &gpio0 29 0>,	/* A3 */
+			   <4 0 &gpio0 30 0>,	/* A4 */
+			   <5 0 &gpio0 31 0>,	/* A5 */
+			   <6 0 &gpio1 1 0>,	/* D0 */
+			   <7 0 &gpio1 2 0>,	/* D1 */
+			   <8 0 &gpio1 3 0>,	/* D2 */
+			   <9 0 &gpio1 4 0>,	/* D3 */
+			   <10 0 &gpio1 5 0>,	/* D4 */
+			   <11 0 &gpio1 6 0>,	/* D5 */
+			   <12 0 &gpio1 7 0>,	/* D6 */
+			   <13 0 &gpio1 8 0>,	/* D7 */
+			   <14 0 &gpio1 10 0>,	/* D8 */
+			   <15 0 &gpio1 11 0>,	/* D9 */
+			   <16 0 &gpio1 12 0>,	/* D10 */
+			   <17 0 &gpio1 13 0>,	/* D11 */
+			   <18 0 &gpio1 14 0>,	/* D12 */
+			   <19 0 &gpio1 15 0>,	/* D13 */
+			   <20 0 &gpio0 26 0>,	/* D14 */
+			   <21 0 &gpio0 27 0>;	/* D15 */
+	};
+
 	/* These aliases are provided for compatibility with samples */
 	aliases {
 		led0 = &led0;