[Keyboard] Use old custom matrix for Drop Planck+Preonic (qmk#14488)

Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Jack Humbert <jack.humb@gmail.com>

keyboards/planck/planck.h

@@ -1,26 +1,41 @@
-#ifndef PLANCK_H
-#define PLANCK_H
+/* Copyright 2018 Jack Humbert <jack.humb@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 "quantum.h"
 
 #if defined(KEYBOARD_planck_ez)
-  #include "ez.h"
+#    include "ez.h"
 #elif defined(KEYBOARD_planck_light)
-  #include "light.h"
+#    include "light.h"
 #elif defined(KEYBOARD_planck_thk)
-  #include "thk.h"
+#    include "thk.h"
 #elif defined(KEYBOARD_planck_rev1)
-  #include "rev1.h"
+#    include "rev1.h"
 #elif defined(KEYBOARD_planck_rev2)
-  #include "rev2.h"
+#    include "rev2.h"
 #elif defined(KEYBOARD_planck_rev3)
-  #include "rev3.h"
+#    include "rev3.h"
 #elif defined(KEYBOARD_planck_rev4)
-  #include "rev4.h"
+#    include "rev4.h"
 #elif defined(KEYBOARD_planck_rev5)
-  #include "rev5.h"
+#    include "rev5.h"
 #elif defined(KEYBOARD_planck_rev6)
-  #include "rev6.h"
-#endif // Planck revisions
-
-#endif
+#    include "rev6.h"
+#elif defined(KEYBOARD_planck_rev6_drop)
+#    include "rev6_drop.h"
+#endif  // Planck revisions

keyboards/planck/rev6_drop/chconf.h

@@ -0,0 +1,29 @@
+/* Copyright 2020 QMK
+ *
+ * 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/>.
+ */
+
+/*
+ * This file was auto-generated by:
+ *    `qmk chibios-confmigrate -i keyboards/planck/rev6/chconf.h -r platforms/chibios/QMK_PROTON_C/configs/chconf.h`
+ */
+
+#pragma once
+
+#define CH_CFG_ST_RESOLUTION 16
+
+#define CH_CFG_ST_FREQUENCY 10000
+
+#include_next <chconf.h>
+

keyboards/planck/rev6_drop/config.h

@@ -0,0 +1,128 @@
+/*
+ * Copyright 2018 Jack Humbert <jack.humb@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
+
+/* USB Device descriptor parameter */
+#define PRODUCT_ID 0xA4F9
+#define DEVICE_VER 0x0006
+#undef MANUFACTURER
+#define MANUFACTURER Drop
+
+#undef MATRIX_ROWS
+#undef MATRIX_COLS
+/* key matrix size */
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 6
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ *                  ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+/* Note: These are not used for arm boards. They're here purely as documentation. */
+#undef MATRIX_ROW_PINS
+#undef MATRIX_COL_PINS
+
+#define MATRIX_ROW_PINS \
+    { A10, A9, A8, B15, C13, C14, C15, A2 }
+#define MATRIX_COL_PINS \
+    { B11, B10, B2, B1, A7, B0 }
+
+#define UNUSED_PINS
+
+#define ENCODERS_PAD_A \
+    { B12 }
+#define ENCODERS_PAD_B \
+    { B13 }
+
+#define DIP_SWITCH_PINS \
+    { B14, A15, A0, B9 }
+
+#define MUSIC_MAP
+#undef AUDIO_VOICES
+#undef AUDIO_PIN
+#define AUDIO_PIN A5
+#define AUDIO_PIN_ALT A4
+#define AUDIO_PIN_ALT_AS_NEGATIVE
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+// #define DEBOUNCE 6
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+//#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+//#define LOCKING_RESYNC_ENABLE
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#define FORCE_NKRO
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+//#define NO_DEBUG
+
+/* disable print */
+//#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
+
+/*
+ * WS2812 Underglow Matrix options
+ */
+#define RGB_DI_PIN A1
+#define RGBLED_NUM 9
+#define DRIVER_LED_TOTAL RGBLED_NUM
+
+#define WS2812_PWM_DRIVER PWMD2
+#define WS2812_PWM_CHANNEL 2
+#define WS2812_PWM_PAL_MODE 1
+#define WS2812_DMA_STREAM STM32_DMA1_STREAM2
+#define WS2812_DMA_CHANNEL 2
+
+#define RGB_DISABLE_WHEN_USB_SUSPENDED

keyboards/planck/rev6_drop/halconf.h

@@ -0,0 +1,22 @@
+/* Copyright 2020 QMK
+ *
+ *  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 3 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 <https://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#define HAL_USE_PWM TRUE
+#define HAL_USE_GPT TRUE
+#define HAL_USE_DAC TRUE
+
+#include_next <halconf.h>