Add initial support for the Makey Makey Classic (#16658)

keyboards/makeymakey/config.h

@@ -0,0 +1,36 @@
+/* Copyright 2022 Jose Pablo Ramirez <jp.ramangulo@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "config_common.h"
+
+/* key matrix size */
+#define MATRIX_ROWS 3
+#define MATRIX_COLS 6
+
+/* Keyboard Matrix Assignments */
+#define DIRECT_PINS { \
+    { D6, B4, C7, B1, E6, D7 }, \
+    { C6, D4, D0, D1, D2, D2 }, \
+    { F0, F1, F5, F5, F6, F7 }  \
+}
+
+/* LEDs Pins */
+#define LED_PINS 5
+#define LED_PINS_HW {B5, B6, B7, B3, B2}
+
+#define DEBOUNCE 10