[keyboard] bastardkb: restructure folder hierarchy (#16778)

* bastardkb: restructure folder hierarchy ahead of supporting other adapters/mcus

Upcoming support for the following (adapter, mcu) pairs will be
submitted in follow-up PRs:

- `v2/elitec`
- `v2/stemcell`
- `blackpill`

This PR contains the following changes:

- Move previous implementation to an inner `v1/elitec` folder
- Move keyboard USB IDs and strings to data driven
- Update headers to update maintainers list
- Run `qmk format-c`

* bastardkb/charybdis: remove broken acceleration implementation

* bastardkb/charybdis: fix debug output

* bastardkb: add support for BastardKb the `v2/elitec` (adapter, mcu) pair

* bastardkb: add Blackpill support

* bastardkb/charybdis/3x5: add `bstiq` keymap

* bastardkb/charybdis: add fake LEDs to the configuration

For the Charybdis 3x5 (respectively 4x6), the LED config now simulates
36 (respectively 58) LEDs instead of the actual 35 (respectively 56) to
prevent confusion when testing LEDs during assembly when handedness is
not set correctly.  Those fake LEDs are bound to the physical
bottom-left corner.

* bastardkbk/charybdis/readme.md: update build commands

Merge pull request #5 from Nathancooke7/update_charybdis_readme_v2_shield.

* bastardkb/charybdis: fix Via keymap with blackpill

* bastardkb/charybdis: add 3x6 configuration

* bastardkb/charybdis: remove unnecessary files

* bastardkb/charybdis: remove obsolete code

* bastardkb/charybdis/3x6: add Via keymap

* bastardkb: add support for Splinky (RP2040) board

* bastardkb: initial configuration for the Splinky (SPI not working yet)

* bastardkb/charybdis/3x5/v2/splinky: tentative change to enable trackball

* bastardkb/charybdis/3x5/v2/splinky: fix SCK, MISO, MOSI pins

* bastardkb/charybdis/3x5/v2/splinky: fix SCK, MISO, MOSI pins

* bastardkb/charybdis/4x6/v2/splinky: add SPI configuration and enable trackball

* bastardkb/charybdis/3x6: add splinky config

* bastardkb/*/v2/splinky: update drivers to `vendor`

* bastardkb/dilemma: add new board

* bastardkb/charybdis: fix infinite loop in `layer_state_set_user(…)` in the `via` keymaps

* bastardkb/dilemma: add `bstiq` keymap

* bastardkb: specify blackpill boards

* bastardkb/charybdis: fix blackpill-specific define syntax

* bastardkb: remove `NO_ACTION_MACRO` and `NO_ACTION_FUNCTION` which are no longer valid options

* bastardkb: fix `QK_BOOT` keycodes

* bastardkb/dilemma: fix mouse direction on X axis

* bastardkb/charybdis/3x6: adjust CS

* bastardkb/dilemma: adjust trackpad configuration

* charybdis: fix `PWM33XX_CS_PIN` defines

This is a follow-up of https://github.com/qmk/qmk_firmware/pull/17613.

* bastardkb: remove Vial mentions from `bstiq` keymaps

* Cleanup unnecessary comments

Co-authored-by: Nathan <nathan.cooke@compass.com>
Co-authored-by: Charly Delay <0xcharly@codesink.dev>

22 files changed, 491 insertions, 74 deletions

diff --git a/keyboards/bastardkb/charybdis/4x6/4x6.c b/keyboards/bastardkb/charybdis/4x6/4x6.c
index 6cd8fffee7..85e8b5fdd1 100644
--- a/keyboards/bastardkb/charybdis/4x6/4x6.c
+++ b/keyboards/bastardkb/charybdis/4x6/4x6.c
@@ -36,6 +36,10 @@
  *                       26  27  28     53  54  XX
  *                           25  24     55  XX
  *                     ╰────────────╯ ╰────────────╯
+ *
+ * Note: the LED config simulates 58 LEDs instead of the actual 56 to prevent
+ * confusion when testing LEDs during assembly when handedness is not set
+ * correctly.  Those fake LEDs are bound to the physical bottom-left corner.
  */
 led_config_t g_led_config = { {
     /* Key Matrix to LED index. */
@@ -70,6 +74,7 @@ led_config_t g_led_config = { {
     /* index=45 */ { 160,   0 }, { 160,  12 }, { 160,  24 }, { 160,  36 },
     /* index=49 */ { 144,   0 }, { 144,  12 }, { 144,  24 }, { 144,  36 },
     /* index=53 */ { 112,  52 }, { 128,  64 }, { 112,  64 },
+    /* index=56 */ {   0,   0 }, {   0,   0 },
 }, {
     /* LED index to flag. */
     // Left split.
@@ -89,6 +94,7 @@ led_config_t g_led_config = { {
     /* index=45 */ LED_FLAG_KEYLIGHT, LED_FLAG_KEYLIGHT, LED_FLAG_KEYLIGHT, LED_FLAG_KEYLIGHT,
     /* index=49 */ LED_FLAG_KEYLIGHT, LED_FLAG_KEYLIGHT, LED_FLAG_KEYLIGHT, LED_FLAG_KEYLIGHT,
     /* index=53 */ LED_FLAG_KEYLIGHT, LED_FLAG_KEYLIGHT, LED_FLAG_KEYLIGHT, // Thumb cluster
+    /* index=55 */ LED_FLAG_MODIFIER, LED_FLAG_MODIFIER,                    // Thumb cluster fakes
 } };
 #endif
 // clang-format on
diff --git a/keyboards/bastardkb/charybdis/4x6/blackpill/config.h b/keyboards/bastardkb/charybdis/4x6/blackpill/config.h
new file mode 100644
index 0000000000..2514a52fb0
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/blackpill/config.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2020 Christopher Courtney <drashna@live.com> (@drashna)
+ * Copyright 2021 Stefan Kerkmann (@KarlK90)
+ * Copyright 2021 Charly Delay <charly@codesink.dev> (@0xcharly)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Publicw 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
+
+/* Key matrix configuration. */
+#define MATRIX_ROW_PINS \
+    { B15, A2, B8, A8, B9 }
+#define MATRIX_COL_PINS \
+    { B0, B1, B10, B3, B4, B5 }
+
+/* Handedness. */
+#define SPLIT_HAND_PIN A3 // High -> left, Low -> right.
+
+/* RGB settings. */
+#define RGB_DI_PIN A1
+#define WS2812_PWM_DRIVER PWMD2
+#define WS2812_PWM_CHANNEL 2
+#define WS2812_PWM_PAL_MODE 1
+#define WS2812_EXTERNAL_PULLUP
+#define WS2812_DMA_STREAM STM32_DMA1_STREAM1
+#define WS2812_DMA_CHANNEL 3
+#define WS2812_PWM_TARGET_PERIOD 800000
+
+/* Serial configuration for split keyboard. */
+#define SERIAL_USART_TX_PIN A9
+
+/* CRC. */
+#define CRC8_USE_TABLE
+#define CRC8_OPTIMIZE_SPEED
+
+/* SPI config for EEPROM and pmw3360 sensor. */
+#define SPI_DRIVER SPID1
+#define SPI_SCK_PIN A5
+#define SPI_SCK_PAL_MODE 5
+#define SPI_MOSI_PIN A7
+#define SPI_MOSI_PAL_MODE 5
+#define SPI_MISO_PIN A6
+#define SPI_MISO_PAL_MODE 5
+
+/* EEPROM config. */
+#define EXTERNAL_EEPROM_SPI_SLAVE_SELECT_PIN A4
+
+/* PMW3360 settings. */
+#define PMW33XX_CS_PIN B14
+#define PMW33XX_CS_DIVISOR 64
diff --git a/keyboards/bastardkb/charybdis/4x6/blackpill/halconf.h b/keyboards/bastardkb/charybdis/4x6/blackpill/halconf.h
new file mode 100644
index 0000000000..a89dff0cd3
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/blackpill/halconf.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2020 Nick Brassel (tzarc)
+ * Copyright 2021 Charly Delay <charly@codesink.dev> (@0xcharly)
+ *
+ * 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
+
+#define HAL_USE_PWM TRUE
+#define HAL_USE_SERIAL TRUE
+//#define HAL_USE_I2C TRUE
+#define HAL_USE_SPI TRUE
+#define SPI_USE_WAIT TRUE
+#define SPI_SELECT_MODE SPI_SELECT_MODE_PAD
+//#define HAL_USE_GPT TRUE
+
+#include_next "halconf.h"
diff --git a/keyboards/bastardkb/charybdis/4x6/blackpill/info.json b/keyboards/bastardkb/charybdis/4x6/blackpill/info.json
new file mode 100644
index 0000000000..788783c679
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/blackpill/info.json
@@ -0,0 +1,6 @@
+{
+    "keyboard_name": "Charybdis (4x6) Blackpill",
+    "usb": {
+      "device_version": "1.0.0",
+    },
+}
diff --git a/keyboards/bastardkb/charybdis/4x6/blackpill/mcuconf.h b/keyboards/bastardkb/charybdis/4x6/blackpill/mcuconf.h
new file mode 100644
index 0000000000..1615d1bf46
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/blackpill/mcuconf.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2020 Nick Brassel (tzarc)
+ * Copyright 2021 Stefan Kerkmann (@KarlK90)
+ * Copyright 2021 Charly Delay <charly@codesink.dev> (@0xcharly)
+ *
+ * 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_next "mcuconf.h"
+
+#undef STM32_I2C_USE_I2C1
+#define STM32_I2C_USE_I2C1 TRUE
+
+#undef STM32_I2C_I2C1_RX_DMA_STREAM
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 0)
+#undef STM32_I2C_I2C1_TX_DMA_STREAM
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 1)
+
+#undef STM32_PWM_USE_TIM2
+#define STM32_PWM_USE_TIM2 TRUE
+
+#undef STM32_PWM_USE_TIM3
+#define STM32_PWM_USE_TIM3 TRUE
+
+#undef STM32_SPI_USE_SPI1
+#define STM32_SPI_USE_SPI1 TRUE
+
+#undef STM32_SPI_SPI1_RX_DMA_STREAM
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 0)
+#undef STM32_SPI_SPI1_TX_DMA_STREAM
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
+
+#undef STM32_SERIAL_USE_USART1
+#define STM32_SERIAL_USE_USART1 TRUE
+
+// #undef STM32_SERIAL_USE_USART2
+// #define STM32_SERIAL_USE_USART2 TRUE
+
+// #undef STM32_UART_USART2_RX_DMA_STREAM
+// #define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+// #undef STM32_UART_USART2_TX_DMA_STREAM
+// #define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#undef STM32_GPT_USE_TIM4
+#define STM32_GPT_USE_TIM4 TRUE
+
+#undef STM32_ST_USE_TIMER
+#define STM32_ST_USE_TIMER 5
diff --git a/keyboards/bastardkb/charybdis/4x6/blackpill/readme.md b/keyboards/bastardkb/charybdis/4x6/blackpill/readme.md
new file mode 100644
index 0000000000..bbae15bb85
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/blackpill/readme.md
@@ -0,0 +1,3 @@
+# Charybdis (4x6) BlackPill
+
+An ergonomic keyboard with integrated trackball, with BlackPill (STM32F411) mod.
diff --git a/keyboards/bastardkb/charybdis/4x6/blackpill/rules.mk b/keyboards/bastardkb/charybdis/4x6/blackpill/rules.mk
new file mode 100644
index 0000000000..6123ec58b7
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/blackpill/rules.mk
@@ -0,0 +1,40 @@
+# MCU name
+MCU = STM32F411
+BOARD = BLACKPILL_STM32_F411
+
+# Bootloader selection
+BOOTLOADER = stm32-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = no            # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+
+AUDIO_SUPPORTED = no        # Audio is not supported.
+RGB_MATRIX_SUPPORTED = yes  # RGB matrix is supported and enabled by default.
+RGBLIGHT_SUPPORTED = yes    # RGB underglow is supported, but not enabled by default.
+RGB_MATRIX_ENABLE = yes     # Enable keyboard RGB matrix functionality
+RGB_MATRIX_DRIVER = WS2812
+
+# Charybdis is a split 4x6 keyboard with a maximum of 5 thumb keys (3 on the
+# trackball side).
+SPLIT_KEYBOARD = yes
+
+POINTING_DEVICE_ENABLE = yes # Enable trackball
+POINTING_DEVICE_DRIVER = pmw3360
+MOUSE_SHARED_EP = no # Unify multiple HID interfaces into a single Endpoint
+KEYBOARD_SHARED_EP = yes
+
+EEPROM_DRIVER = spi
+WS2812_DRIVER = pwm
+SERIAL_DRIVER = usart
+
+DEBOUNCE_TYPE = asym_eager_defer_pk
diff --git a/keyboards/bastardkb/charybdis/4x6/config.h b/keyboards/bastardkb/charybdis/4x6/config.h
index 6760129ef8..f0c1f48cdf 100644
--- a/keyboards/bastardkb/charybdis/4x6/config.h
+++ b/keyboards/bastardkb/charybdis/4x6/config.h
@@ -18,55 +18,24 @@
 
 #pragma once
 
-#define VENDOR_ID 0xA8F8
-#define PRODUCT_ID 0x1833
-#define DEVICE_VER 0x0001
-#define MANUFACTURER Bastard Keyboards
-#define PRODUCT Charybdis
+#include "config_common.h"
 
 /* Key matrix configuration. */
-
-// Rows are doubled-up.
-#define MATRIX_ROWS 10
+#define MATRIX_ROWS 10 // Rows are doubled-up.
 #define MATRIX_COLS 6
 
-// Wiring configuration for each half.
-#define MATRIX_ROW_PINS \
-    { F1, B7, C6, D4, B5 }
-#define MATRIX_COL_PINS \
-    { D5, C7, F0, D7, E6, B4 }
-
-#define MATRIX_ROW_PINS_RIGHT \
-    { D5, F0, C6, D4, B5 }
-#define MATRIX_COL_PINS_RIGHT \
-    { F1, C7, B7, D7, E6, B4 }
-
 #define DIODE_DIRECTION ROW2COL
 
-#define ROTATIONAL_TRANSFORM_ANGLE -25
-
-/* Handedness. */
-#define MASTER_RIGHT
-
-/* Bootmagic Lite configuration. */
-#define BOOTMAGIC_LITE_ROW 0
-#define BOOTMAGIC_LITE_COLUMN 0
-#define BOOTMAGIC_LITE_ROW_RIGHT 5
-#define BOOTMAGIC_LITE_COLUMN_RIGHT 0
-
-/* serial.c configuration (for split keyboard) */
-#define SOFT_SERIAL_PIN D2
-
-/* Set 0 if debouncing isn't needed */
+/* Set 0 if debouncing isn't needed. */
 #define DEBOUNCE 5
 
-/* PMW33XX settings. */
-#define PMW33XX_CS_PIN B0
+/* Trackball angle adjustment. */
+#define ROTATIONAL_TRANSFORM_ANGLE -25
 
-#define RGB_DI_PIN D3
-#define RGBLED_NUM 56
+/* RGB settings. */
+#define RGBLED_NUM 58
 #define RGBLED_SPLIT \
-    { 29, 27 }
+    { 29, 29 }
 
 /* RGB matrix support. */
 #ifdef RGB_MATRIX_ENABLE
diff --git a/keyboards/bastardkb/charybdis/4x6/info.json b/keyboards/bastardkb/charybdis/4x6/info.json
index 956dfe88f5..4bd0983709 100644
--- a/keyboards/bastardkb/charybdis/4x6/info.json
+++ b/keyboards/bastardkb/charybdis/4x6/info.json
@@ -1,7 +1,8 @@
 {
-    "keyboard_name": "Charybdis",
-    "url": "https://www.bastardkb.com",
-    "maintainer": "Quentin Lebastard",
+    "url": "https://bastardkb.com/charybdis",
+    "usb": {
+        "pid": "0x1833",
+    },
     "layouts": {
         "LAYOUT_charybdis_4x6": {
             "layout": [
diff --git a/keyboards/bastardkb/charybdis/4x6/keymaps/default/keymap.c b/keyboards/bastardkb/charybdis/4x6/keymaps/default/keymap.c
index 1d3142faac..e0cee41221 100644
--- a/keyboards/bastardkb/charybdis/4x6/keymaps/default/keymap.c
+++ b/keyboards/bastardkb/charybdis/4x6/keymaps/default/keymap.c
@@ -50,7 +50,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   // ├──────────────────────────────────────────────────────┤ ├──────────────────────────────────────────────────────┤
        RGB_TOG, KC_LGUI, KC_LALT, KC_LCTL, KC_LSFT, XXXXXXX,    KC_PPLS,   KC_P4,   KC_P5,   KC_P6, KC_PMNS, KC_PEQL,
   // ├──────────────────────────────────────────────────────┤ ├──────────────────────────────────────────────────────┤
-      RGB_RMOD, XXXXXXX, XXXXXXX, XXXXXXX, EEP_RST,   QK_BOOT,    KC_PAST,   KC_P1,   KC_P2,   KC_P3, KC_PSLS, KC_PDOT,
+      RGB_RMOD, XXXXXXX, XXXXXXX, XXXXXXX, EEP_RST, QK_BOOT,    KC_PAST,   KC_P1,   KC_P2,   KC_P3, KC_PSLS, KC_PDOT,
   // ╰──────────────────────────────────────────────────────┤ ├──────────────────────────────────────────────────────╯
                                   XXXXXXX, XXXXXXX, _______,    XXXXXXX, _______,
                                            XXXXXXX, XXXXXXX,      KC_P0
@@ -65,7 +65,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   // ├──────────────────────────────────────────────────────┤ ├──────────────────────────────────────────────────────┤
        KC_MPLY, KC_LEFT,   KC_UP, KC_DOWN, KC_RGHT, XXXXXXX,    XXXXXXX, KC_RSFT, KC_RCTL, KC_RALT, KC_RGUI, KC_MUTE,
   // ├──────────────────────────────────────────────────────┤ ├──────────────────────────────────────────────────────┤
-       KC_MPRV, KC_HOME, KC_PGUP, KC_PGDN,  KC_END, XXXXXXX,      QK_BOOT, EEP_RST, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLD,
+       KC_MPRV, KC_HOME, KC_PGUP, KC_PGDN,  KC_END, XXXXXXX,    QK_BOOT, EEP_RST, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLD,
   // ╰──────────────────────────────────────────────────────┤ ├──────────────────────────────────────────────────────╯
                                   _______, _______, XXXXXXX,    _______, XXXXXXX,
                                            _______, _______,    XXXXXXX
diff --git a/keyboards/bastardkb/charybdis/4x6/keymaps/via/config.h b/keyboards/bastardkb/charybdis/4x6/keymaps/via/config.h
index 75eb2240f3..c31e39261e 100644
--- a/keyboards/bastardkb/charybdis/4x6/keymaps/via/config.h
+++ b/keyboards/bastardkb/charybdis/4x6/keymaps/via/config.h
@@ -19,7 +19,7 @@
 #ifdef VIA_ENABLE
 /* VIA configuration. */
 #    define DYNAMIC_KEYMAP_LAYER_COUNT 4
-#endif  // VIA_ENABLE
+#endif // VIA_ENABLE
 
 /* Disable unused features. */
 #define NO_ACTION_ONESHOT
@@ -33,21 +33,16 @@
  * See docs.qmk.fm/using-qmk/software-features/tap_hold#tapping-term
  */
 #    define TAPPING_TERM 200
-#endif  // TAPPING_TERM
+#endif // TAPPING_TERM
 
 /* Charybdis-specific features. */
 
 #ifdef POINTING_DEVICE_ENABLE
-// Enable pointer acceleration, which increases the speed by ~2x for large
-// displacement, while maintaining 1x speed for slow movements.
-// - `CHARYBDIS_POINTER_ACCELERATION_FACTOR`
-#    define CHARYBDIS_POINTER_ACCELERATION_ENABLE
-
 // Automatically enable the pointer layer when moving the trackball.  See also:
 // - `CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_TIMEOUT_MS`
 // - `CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_THRESHOLD`
 // #define CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_ENABLE
-#endif  // POINTING_DEVICE_ENABLE
+#endif // POINTING_DEVICE_ENABLE
 
 /* RGB Matrix. */
 
@@ -69,4 +64,4 @@
 #    define RGB_MATRIX_STARTUP_SAT 255
 #    define RGB_MATRIX_STARTUP_VAL RGB_MATRIX_MAXIMUM_BRIGHTNESS
 #    define RGB_MATRIX_STARTUP_HSV RGB_MATRIX_STARTUP_HUE, RGB_MATRIX_STARTUP_SAT, RGB_MATRIX_STARTUP_VAL
-#endif  // RGB_MATRIX_ENABLE
+#endif // RGB_MATRIX_ENABLE
diff --git a/keyboards/bastardkb/charybdis/4x6/keymaps/via/keymap.c b/keyboards/bastardkb/charybdis/4x6/keymaps/via/keymap.c
index cf24fea3c0..8c55855af1 100644
--- a/keyboards/bastardkb/charybdis/4x6/keymaps/via/keymap.c
+++ b/keyboards/bastardkb/charybdis/4x6/keymaps/via/keymap.c
@@ -18,7 +18,7 @@
 
 #ifdef CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_ENABLE
 #    include "timer.h"
-#endif  // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_ENABLE
+#endif // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_ENABLE
 
 enum charybdis_keymap_layers {
     LAYER_BASE = 0,
@@ -35,18 +35,25 @@ static uint16_t auto_pointer_layer_timer = 0;
 
 #    ifndef CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_TIMEOUT_MS
 #        define CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_TIMEOUT_MS 1000
-#    endif  // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_TIMEOUT_MS
+#    endif // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_TIMEOUT_MS
 
 #    ifndef CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_THRESHOLD
 #        define CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_THRESHOLD 8
-#    endif  // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_THRESHOLD
-#endif      // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_ENABLE
+#    endif // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_THRESHOLD
+#endif     // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_ENABLE
 
 #define LOWER MO(LAYER_LOWER)
 #define RAISE MO(LAYER_RAISE)
 #define PT_Z LT(LAYER_POINTER, KC_Z)
 #define PT_SLSH LT(LAYER_POINTER, KC_SLSH)
 
+#ifndef POINTING_DEVICE_ENABLE
+#    define DRGSCRL KC_NO
+#    define DPI_MOD KC_NO
+#    define S_D_MOD KC_NO
+#    define SNIPING KC_NO
+#endif // !POINTING_DEVICE_ENABLE
+
 // clang-format off
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   [LAYER_BASE] = LAYOUT_charybdis_4x6(
@@ -102,7 +109,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   // ├──────────────────────────────────────────────────────┤ ├──────────────────────────────────────────────────────┤
        XXXXXXX, KC_LGUI, KC_LALT, KC_LCTL, KC_LSFT, XXXXXXX,    XXXXXXX, KC_RSFT, KC_RCTL, KC_RALT, KC_RGUI, XXXXXXX,
   // ├──────────────────────────────────────────────────────┤ ├──────────────────────────────────────────────────────┤
-       XXXXXXX, _______, DRGSCRL, SNIPING, EEP_RST,   QK_BOOT,      QK_BOOT, EEP_RST, SNIPING, DRGSCRL, _______, XXXXXXX,
+       XXXXXXX, _______, DRGSCRL, SNIPING, EEP_RST, QK_BOOT,    QK_BOOT, EEP_RST, SNIPING, DRGSCRL, _______, XXXXXXX,
   // ╰──────────────────────────────────────────────────────┤ ├──────────────────────────────────────────────────────╯
                                   KC_BTN2, KC_BTN1, KC_BTN3,    KC_BTN3, KC_BTN1,
                                            XXXXXXX, KC_BTN2,    KC_BTN2
@@ -120,33 +127,31 @@ report_mouse_t pointing_device_task_user(report_mouse_t mouse_report) {
 #        ifdef RGB_MATRIX_ENABLE
             rgb_matrix_mode_noeeprom(RGB_MATRIX_NONE);
             rgb_matrix_sethsv_noeeprom(HSV_GREEN);
-#        endif  // RGB_MATRIX_ENABLE
+#        endif // RGB_MATRIX_ENABLE
         }
         auto_pointer_layer_timer = timer_read();
     }
     return mouse_report;
 }
 
-void matrix_scan_kb(void) {
+void matrix_scan_user(void) {
     if (auto_pointer_layer_timer != 0 && TIMER_DIFF_16(timer_read(), auto_pointer_layer_timer) >= CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_TIMEOUT_MS) {
         auto_pointer_layer_timer = 0;
         layer_off(LAYER_POINTER);
 #        ifdef RGB_MATRIX_ENABLE
         rgb_matrix_mode_noeeprom(RGB_MATRIX_STARTUP_MODE);
-#        endif  // RGB_MATRIX_ENABLE
+#        endif // RGB_MATRIX_ENABLE
     }
-    matrix_scan_user();
 }
-#    endif  // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_ENABLE
+#    endif // CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_ENABLE
 
 #    ifdef CHARYBDIS_AUTO_SNIPING_ON_LAYER
-layer_state_t layer_state_set_kb(layer_state_t state) {
-    state = layer_state_set_user(state);
+layer_state_t layer_state_set_user(layer_state_t state) {
     charybdis_set_pointer_sniping_enabled(layer_state_cmp(state, CHARYBDIS_AUTO_SNIPING_ON_LAYER));
     return state;
 }
-#    endif  // CHARYBDIS_AUTO_SNIPING_ON_LAYER
-#endif      // POINTING_DEVICE_ENABLE
+#    endif // CHARYBDIS_AUTO_SNIPING_ON_LAYER
+#endif     // POINTING_DEVICE_ENABLE
 
 #ifdef RGB_MATRIX_ENABLE
 // Forward-declare this helper function since it is defined in rgb_matrix.c.
@@ -158,9 +163,9 @@ void shutdown_user(void) {
     rgblight_enable_noeeprom();
     rgblight_mode_noeeprom(1);
     rgblight_setrgb_red();
-#endif  // RGBLIGHT_ENABLE
+#endif // RGBLIGHT_ENABLE
 #ifdef RGB_MATRIX_ENABLE
     rgb_matrix_set_color_all(RGB_RED);
     rgb_matrix_update_pwm_buffers();
-#endif  // RGB_MATRIX_ENABLE
+#endif // RGB_MATRIX_ENABLE
 }
diff --git a/keyboards/bastardkb/charybdis/4x6/v1/elitec/config.h b/keyboards/bastardkb/charybdis/4x6/v1/elitec/config.h
new file mode 100644
index 0000000000..15044ef645
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/v1/elitec/config.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2020 Christopher Courtney <drashna@live.com> (@drashna)
+ * Copyright 2021 Charly Delay <charly@codesink.dev> (@0xcharly)
+ *
+ * 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
+
+/* Key matrix configuration. */
+#define MATRIX_ROW_PINS \
+    { F1, B7, C6, D4, B5 }
+#define MATRIX_COL_PINS \
+    { D5, C7, F0, D7, E6, B4 }
+
+#define MATRIX_ROW_PINS_RIGHT \
+    { D5, F0, C6, D4, B5 }
+#define MATRIX_COL_PINS_RIGHT \
+    { F1, C7, B7, D7, E6, B4 }
+
+/* Handedness. */
+#define MASTER_RIGHT
+
+/* serial.c configuration (for split keyboard). */
+#define SOFT_SERIAL_PIN D2
+
+/* RGB settings. */
+#define RGB_DI_PIN D3
+
+/* PMW3360 settings. */
+#define PMW33XX_CS_PIN B0
diff --git a/keyboards/bastardkb/charybdis/4x6/v1/elitec/info.json b/keyboards/bastardkb/charybdis/4x6/v1/elitec/info.json
new file mode 100644
index 0000000000..4ea658a7d9
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/v1/elitec/info.json
@@ -0,0 +1,6 @@
+{
+    "keyboard_name": "Charybdis (4x6) Elite-C",
+    "usb": {
+      "device_version": "1.0.0",
+    },
+}
diff --git a/keyboards/bastardkb/charybdis/4x6/rules.mk b/keyboards/bastardkb/charybdis/4x6/v1/elitec/rules.mk
index e137f5d4cc..fa5fe80405 100644
--- a/keyboards/bastardkb/charybdis/4x6/rules.mk
+++ b/keyboards/bastardkb/charybdis/4x6/v1/elitec/rules.mk
@@ -23,15 +23,14 @@ RGBLIGHT_SUPPORTED = yes    # RGB underglow is supported, but not enabled by def
 RGB_MATRIX_ENABLE = yes     # Enable keyboard RGB matrix functionality
 RGB_MATRIX_DRIVER = WS2812
 
-# Enable link-time optimization by default.  The Charybdis packs a lot of
-# features (RGB, Via, trackball) in a small atmega32u4 package.
-LTO_ENABLE = yes
-
 # Charybdis is a split 4x6 keyboard with a maximum of 5 thumb keys (3 on the
 # trackball side).
 SPLIT_KEYBOARD = yes
 
 POINTING_DEVICE_ENABLE = yes # Enable trackball
 POINTING_DEVICE_DRIVER = pmw3360
-# https://qmk.fm/changes/2018-11-16-use-a-single-endpoint-for-hid-reports
 MOUSE_SHARED_EP = no # Unify multiple HID interfaces into a single Endpoint
+
+# Enable link-time optimization by default.  The Charybdis packs a lot of
+# features (RGB, Via, trackball) in a small atmega32u4 package.
+LTO_ENABLE = yes
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/elitec/config.h b/keyboards/bastardkb/charybdis/4x6/v2/elitec/config.h
new file mode 100644
index 0000000000..891e511ccb
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/v2/elitec/config.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2022 Charly Delay <charly@codesink.dev> (@0xcharly)
+ *
+ * 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
+
+/* Key matrix configuration. */
+#define MATRIX_ROW_PINS \
+    { F4, F7, C6, D4, B5 }
+#define MATRIX_COL_PINS \
+    { F6, F5, B6, D7, E6, B4 }
+
+/* Handedness. */
+#define MASTER_RIGHT
+
+/* serial.c configuration (for split keyboard). */
+#define SOFT_SERIAL_PIN D2
+
+/* RGB settings. */
+#define RGB_DI_PIN D3
+
+/* PMW3360 settings. */
+#define PMW33XX_CS_PIN F0
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/elitec/info.json b/keyboards/bastardkb/charybdis/4x6/v2/elitec/info.json
new file mode 100644
index 0000000000..151c0e1ca3
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/v2/elitec/info.json
@@ -0,0 +1,6 @@
+{
+    "keyboard_name": "Charybdis (4x6) Elite-C",
+    "usb": {
+      "device_version": "2.0.0",
+    },
+}
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/elitec/rules.mk b/keyboards/bastardkb/charybdis/4x6/v2/elitec/rules.mk
new file mode 100644
index 0000000000..fa5fe80405
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/v2/elitec/rules.mk
@@ -0,0 +1,36 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = no            # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+
+AUDIO_SUPPORTED = no        # Audio is not supported.
+RGB_MATRIX_SUPPORTED = yes  # RGB matrix is supported and enabled by default.
+RGBLIGHT_SUPPORTED = yes    # RGB underglow is supported, but not enabled by default.
+RGB_MATRIX_ENABLE = yes     # Enable keyboard RGB matrix functionality
+RGB_MATRIX_DRIVER = WS2812
+
+# Charybdis is a split 4x6 keyboard with a maximum of 5 thumb keys (3 on the
+# trackball side).
+SPLIT_KEYBOARD = yes
+
+POINTING_DEVICE_ENABLE = yes # Enable trackball
+POINTING_DEVICE_DRIVER = pmw3360
+MOUSE_SHARED_EP = no # Unify multiple HID interfaces into a single Endpoint
+
+# Enable link-time optimization by default.  The Charybdis packs a lot of
+# features (RGB, Via, trackball) in a small atmega32u4 package.
+LTO_ENABLE = yes
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/splinky/config.h b/keyboards/bastardkb/charybdis/4x6/v2/splinky/config.h
new file mode 100644
index 0000000000..e17ec49726
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/v2/splinky/config.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2022 Charly Delay <charly@codesink.dev> (@0xcharly)
+ *
+ * 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
+
+/* Key matrix configuration. */
+#define MATRIX_ROW_PINS \
+    { GP29, GP26, GP5, GP4, GP9 }
+#define MATRIX_COL_PINS \
+    { GP27, GP28, GP15, GP6, GP7, GP8 }
+
+/* Handedness. */
+#define MASTER_RIGHT
+
+// To use the handedness pin, resistors need to be installed on the adapter PCB.
+// If so, uncomment the following code, and undefine MASTER_RIGHT above.
+// #define SPLIT_HAND_PIN GP13
+// #define SPLIT_HAND_PIN_LOW_IS_LEFT  // High -> right, Low -> left.
+
+/* serial.c configuration (for split keyboard). */
+#define SOFT_SERIAL_PIN GP1
+
+/* RGB settings. */
+#define RGB_DI_PIN GP0
+
+/* SPI & PMW3360 settings. */
+#define SPI_DRIVER SPID0
+#define SPI_SCK_PIN GP18
+#define SPI_MOSI_PIN GP19
+#define SPI_MISO_PIN GP20
+#define PMW33XX_CS_PIN GP14
+
+/* Reset. */
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED GP17
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT 1000U
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/splinky/info.json b/keyboards/bastardkb/charybdis/4x6/v2/splinky/info.json
new file mode 100644
index 0000000000..0004eb81c9
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/v2/splinky/info.json
@@ -0,0 +1,6 @@
+{
+    "keyboard_name": "Charybdis (4x6) Splinky",
+    "usb": {
+      "device_version": "2.0.0",
+    },
+}
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/splinky/mcuconf.h b/keyboards/bastardkb/charybdis/4x6/v2/splinky/mcuconf.h
new file mode 100644
index 0000000000..0fdd67c3a2
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/v2/splinky/mcuconf.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2022 Charly Delay <charly@codesink.dev> (@0xcharly)
+ *
+ * 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_next "mcuconf.h"
+
+#undef RP_SPI_USE_SPI0
+#define RP_SPI_USE_SPI0 TRUE
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/splinky/rules.mk b/keyboards/bastardkb/charybdis/4x6/v2/splinky/rules.mk
new file mode 100644
index 0000000000..13c1b39961
--- /dev/null
+++ b/keyboards/bastardkb/charybdis/4x6/v2/splinky/rules.mk
@@ -0,0 +1,36 @@
+# MCU name
+MCU = RP2040
+
+# Bootloader selection
+BOOTLOADER = rp2040
+
+# RP2040-specific options
+ALLOW_WARNINGS = yes
+PICO_INTRINSICS_ENABLED = no # ATM Unsupported by ChibiOS.
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = no            # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+
+AUDIO_SUPPORTED = no        # Audio is not supported
+RGB_MATRIX_SUPPORTED = yes  # RGB matrix is supported and enabled by default
+RGBLIGHT_SUPPORTED = yes    # RGB underglow is supported, but not enabled by default
+RGB_MATRIX_ENABLE = yes     # Enable keyboard RGB matrix functionality
+RGB_MATRIX_DRIVER = WS2812
+
+SPLIT_KEYBOARD = yes
+
+POINTING_DEVICE_ENABLE = yes # Enable trackball
+POINTING_DEVICE_DRIVER = pmw3360
+
+SERIAL_DRIVER = vendor
+WS2812_DRIVER = vendor