Re-structure splinky support to handle versioning in the same fashion as for the teensy (#19123)

keyboards/bastardkb/skeletyl/v2/splinky_3/config.h

@@ -0,0 +1,43 @@
+/*
+ * 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 \
+    { GP26, GP5, GP4, GP9 }
+#define MATRIX_COL_PINS \
+    { GP28, GP21, 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 GP15
+// #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
+
+/* Reset. */
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED GP17
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT 1000U

keyboards/bastardkb/skeletyl/v2/splinky_3/info.json

@@ -0,0 +1,6 @@
+{
+    "keyboard_name": "Skeletyl Splinky",
+    "usb": {
+        "device_version": "2.0.0"
+    }
+}

keyboards/bastardkb/skeletyl/v2/splinky_3/readme.md

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+# Splinky controller
+
+The splinky is a Pro-Micro/Elite-C replacement with USB-C and RP2040.
+
+See [plut0nium/0xB2](https://github.com/plut0nium/0xB2/#releases) to figure out the right version for you (v2 or v3).

keyboards/bastardkb/skeletyl/v2/splinky_3/rules.mk

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+# 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
+LAYOUTS = split_3x5_3
+
+SERIAL_DRIVER = vendor
+WS2812_DRIVER = vendor