From 9d9ac15e1b913bd5d80233089c61a0070ac5681a Mon Sep 17 00:00:00 2001
From: "Earle F. Philhower, III" <earlephilhower@yahoo.com>
Date: Wed, 11 Jun 2025 18:43:19 -0700
Subject: [PATCH] Add SDIO PIN definitions for Adafruit Metro RP2040

Fixes #2985
---
 variants/adafruit_metro/pins_arduino.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/variants/adafruit_metro/pins_arduino.h b/variants/adafruit_metro/pins_arduino.h
index 721330fb1..31348e1d3 100644
--- a/variants/adafruit_metro/pins_arduino.h
+++ b/variants/adafruit_metro/pins_arduino.h
@@ -20,6 +20,15 @@
 #define PIN_SPI0_SCK   (18u)
 #define PIN_SPI0_SS    (23u)
 
+// SDIO
+#define PIN_SD_CLK       (18u)
+#define PIN_SD_CMD_MOSI  (19u)
+#define PIN_SD_DAT0_MISO (20u)
+#define PIN_SD_DAT1      (21u)
+#define PIN_SD_DAT2      (22u)
+#define PIN_SD_DAT3_CS   (23u)
+#define PIN_SD_DETECT    (15u)
+
 // Not pinned out
 #define PIN_SPI1_MISO  (31u)
 #define PIN_SPI1_MOSI  (31u)