Move `SOFT_SERIAL_PIN` to data driven (#19863)

68 files changed, 114 insertions, 87 deletions

diff --git a/keyboards/handwired/brain/config.h b/keyboards/handwired/brain/config.h
index 994554c982..9b7c48da75 100644
--- a/keyboards/handwired/brain/config.h
+++ b/keyboards/handwired/brain/config.h
@@ -42,11 +42,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MOUSEKEY_MAX_SPEED 7
 #define MOUSEKEY_WHEEL_DELAY 0
 
-/* Set 0 if debouncing isn't needed */
-
-
-/* serial.c configuration for split keyboard */
-#define SOFT_SERIAL_PIN D0
 #define EE_HANDS
 
 //#define SPLIT_HAND_PIN B7
diff --git a/keyboards/handwired/brain/info.json b/keyboards/handwired/brain/info.json
index c7f91a294b..a085da297f 100644
--- a/keyboards/handwired/brain/info.json
+++ b/keyboards/handwired/brain/info.json
@@ -12,6 +12,7 @@
         "matrix": [0, 6]
     },
     "split": {
+        "soft_serial_pin": "D0",
         "bootmagic": {
             "matrix": [5, 0]
         }
diff --git a/keyboards/handwired/chiron/config.h b/keyboards/handwired/chiron/config.h
index b5b67dceb9..578d13a472 100644
--- a/keyboards/handwired/chiron/config.h
+++ b/keyboards/handwired/chiron/config.h
@@ -27,9 +27,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Pro Micro Pins      RX1
 #define SPLIT_HAND_PIN D2
 
-// Pro Micro Pins       RX1
-#define SOFT_SERIAL_PIN D0
-
 #define DIODE_DIRECTION COL2ROW
 
 #define LOCKING_SUPPORT_ENABLE
diff --git a/keyboards/handwired/chiron/info.json b/keyboards/handwired/chiron/info.json
index 6ed4f8d9d0..6cf49275a7 100644
--- a/keyboards/handwired/chiron/info.json
+++ b/keyboards/handwired/chiron/info.json
@@ -8,6 +8,9 @@
         "pid": "0x0000",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "atmel-dfu",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/3x5_3/info.json b/keyboards/handwired/dactyl_manuform/3x5_3/info.json
index 3427f83527..7302ced47e 100644
--- a/keyboards/handwired/dactyl_manuform/3x5_3/info.json
+++ b/keyboards/handwired/dactyl_manuform/3x5_3/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3536",
         "device_version": "0.0.3"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "community_layouts": ["split_3x5_3"],
diff --git a/keyboards/handwired/dactyl_manuform/4x5/info.json b/keyboards/handwired/dactyl_manuform/4x5/info.json
index 98df75cfdf..00e052ce3a 100644
--- a/keyboards/handwired/dactyl_manuform/4x5/info.json
+++ b/keyboards/handwired/dactyl_manuform/4x5/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3435",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/4x5_5/info.json b/keyboards/handwired/dactyl_manuform/4x5_5/info.json
index 5b5b3747bb..b762c15cf8 100644
--- a/keyboards/handwired/dactyl_manuform/4x5_5/info.json
+++ b/keyboards/handwired/dactyl_manuform/4x5_5/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3435",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "atmel-dfu",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/4x6/info.json b/keyboards/handwired/dactyl_manuform/4x6/info.json
index b8c2136d7b..5d6bb593ca 100644
--- a/keyboards/handwired/dactyl_manuform/4x6/info.json
+++ b/keyboards/handwired/dactyl_manuform/4x6/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3436",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/4x6_5/info.json b/keyboards/handwired/dactyl_manuform/4x6_5/info.json
index fb7a77309d..e650d4990c 100644
--- a/keyboards/handwired/dactyl_manuform/4x6_5/info.json
+++ b/keyboards/handwired/dactyl_manuform/4x6_5/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3436",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/5x6/info.json b/keyboards/handwired/dactyl_manuform/5x6/info.json
index d0515e0228..28cd7324ba 100644
--- a/keyboards/handwired/dactyl_manuform/5x6/info.json
+++ b/keyboards/handwired/dactyl_manuform/5x6/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3536",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/5x6_2_5/info.json b/keyboards/handwired/dactyl_manuform/5x6_2_5/info.json
index 12b8c20c5a..f6643ce8c8 100644
--- a/keyboards/handwired/dactyl_manuform/5x6_2_5/info.json
+++ b/keyboards/handwired/dactyl_manuform/5x6_2_5/info.json
@@ -9,6 +9,7 @@
         "device_version": "0.0.3"
     },
     "split": {
+        "soft_serial_pin": "D0",
         "bootmagic": {
             "matrix": [6, 5]
         }
diff --git a/keyboards/handwired/dactyl_manuform/5x6_5/info.json b/keyboards/handwired/dactyl_manuform/5x6_5/info.json
index b8fda10021..e422a73131 100644
--- a/keyboards/handwired/dactyl_manuform/5x6_5/info.json
+++ b/keyboards/handwired/dactyl_manuform/5x6_5/info.json
@@ -9,6 +9,7 @@
         "device_version": "0.0.2"
     },
     "split": {
+        "soft_serial_pin": "D0",
         "bootmagic": {
             "matrix": [6, 5]
         }
diff --git a/keyboards/handwired/dactyl_manuform/5x6_6/config.h b/keyboards/handwired/dactyl_manuform/5x6_6/config.h
index 0f8e9740ce..2b99868d19 100644
--- a/keyboards/handwired/dactyl_manuform/5x6_6/config.h
+++ b/keyboards/handwired/dactyl_manuform/5x6_6/config.h
@@ -17,10 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-
-#undef SOFT_SERIAL_PIN
-#define SOFT_SERIAL_PIN D3
-
 // wiring of each half
 #define MATRIX_COL_PINS { D4, C6, D7, E6, B4, B5 }
 #define MATRIX_ROW_PINS { F5, F6, F7, B1, B3, B2, B6 }
diff --git a/keyboards/handwired/dactyl_manuform/5x6_6/info.json b/keyboards/handwired/dactyl_manuform/5x6_6/info.json
index 3000185d7e..c81ac40fdb 100644
--- a/keyboards/handwired/dactyl_manuform/5x6_6/info.json
+++ b/keyboards/handwired/dactyl_manuform/5x6_6/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3536",
         "device_version": "0.0.3"
     },
+    "split": {
+        "soft_serial_pin": "D3"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/5x6_68/info.json b/keyboards/handwired/dactyl_manuform/5x6_68/info.json
index efa9a11aef..db29e436b6 100644
--- a/keyboards/handwired/dactyl_manuform/5x6_68/info.json
+++ b/keyboards/handwired/dactyl_manuform/5x6_68/info.json
@@ -10,6 +10,9 @@
         "pid": "0x0016",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "matrix_pins": {
         "cols": ["D4", "C6", "D7", "E6", "B4", "B5"],
         "rows": ["F6", "F7", "B1", "B3", "B2", "B6"]
diff --git a/keyboards/handwired/dactyl_manuform/5x7/info.json b/keyboards/handwired/dactyl_manuform/5x7/info.json
index 292bbcd12f..4eed5d53b4 100644
--- a/keyboards/handwired/dactyl_manuform/5x7/info.json
+++ b/keyboards/handwired/dactyl_manuform/5x7/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3537",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/6x6/blackpill_f411/config.h b/keyboards/handwired/dactyl_manuform/6x6/blackpill_f411/config.h
index 717e0e98f0..0f40ee28ac 100644
--- a/keyboards/handwired/dactyl_manuform/6x6/blackpill_f411/config.h
+++ b/keyboards/handwired/dactyl_manuform/6x6/blackpill_f411/config.h
@@ -16,9 +16,6 @@
 
 #pragma once
 
-
-#undef SOFT_SERIAL_PIN
-
 #define MATRIX_ROW_PINS          { B12, B13, B14, B15, A8 , A9, A10}
 #define MATRIX_COL_PINS          { B1, B0, A7, A6, A5, A4}
 /* COL2ROW, ROW2COL */
@@ -31,9 +28,8 @@
 
 /* connection */
 #define SERIAL_USART_FULL_DUPLEX   // Enable full duplex operation mode.
-#define SOFT_SERIAL_PIN B6     // USART TX pin
 #define SERIAL_USART_RX_PIN B7     // USART RX pin
-#define SERIAL_USART_TX_PIN SOFT_SERIAL_PIN     // USART TX pin
+#define SERIAL_USART_TX_PIN B6     // USART TX pin
 
 #define SELECT_SOFT_SERIAL_SPEED 1 // or 0, 2, 3, 4, 5
                                    //  0: 460800 baud
diff --git a/keyboards/handwired/dactyl_manuform/6x6/blackpill_f411/info.json b/keyboards/handwired/dactyl_manuform/6x6/blackpill_f411/info.json
index f28579ba5f..bacc955479 100644
--- a/keyboards/handwired/dactyl_manuform/6x6/blackpill_f411/info.json
+++ b/keyboards/handwired/dactyl_manuform/6x6/blackpill_f411/info.json
@@ -1,5 +1,6 @@
 {
     "split": {
+        "soft_serial_pin": "B6",
         "bootmagic": {
             "matrix": [7, 0]
         }
diff --git a/keyboards/handwired/dactyl_manuform/6x6/promicro/info.json b/keyboards/handwired/dactyl_manuform/6x6/promicro/info.json
index 4369a04103..52523980a9 100644
--- a/keyboards/handwired/dactyl_manuform/6x6/promicro/info.json
+++ b/keyboards/handwired/dactyl_manuform/6x6/promicro/info.json
@@ -1,4 +1,7 @@
 {
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina"
 }
diff --git a/keyboards/handwired/dactyl_manuform/6x6_4/info.json b/keyboards/handwired/dactyl_manuform/6x6_4/info.json
index aa9b1ae3d5..4e9b444163 100644
--- a/keyboards/handwired/dactyl_manuform/6x6_4/info.json
+++ b/keyboards/handwired/dactyl_manuform/6x6_4/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3636",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/6x6_kinesis/info.json b/keyboards/handwired/dactyl_manuform/6x6_kinesis/info.json
index 76d5d2c5c4..6c929eb18c 100644
--- a/keyboards/handwired/dactyl_manuform/6x6_kinesis/info.json
+++ b/keyboards/handwired/dactyl_manuform/6x6_kinesis/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3636",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/6x7/info.json b/keyboards/handwired/dactyl_manuform/6x7/info.json
index c52089f654..b2ea65651e 100644
--- a/keyboards/handwired/dactyl_manuform/6x7/info.json
+++ b/keyboards/handwired/dactyl_manuform/6x7/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3636",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_manuform/config.h b/keyboards/handwired/dactyl_manuform/config.h
index c87b6ca3e5..904e5a729d 100644
--- a/keyboards/handwired/dactyl_manuform/config.h
+++ b/keyboards/handwired/dactyl_manuform/config.h
@@ -26,9 +26,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MOUSEKEY_MAX_SPEED   7
 #define MOUSEKEY_WHEEL_DELAY 0
 
-/* serial.c configuration for split keyboard */
-#define SOFT_SERIAL_PIN D0
-
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/handwired/dactyl_manuform/dmote/62key/info.json b/keyboards/handwired/dactyl_manuform/dmote/62key/info.json
index 7f15634131..8d2648f11e 100644
--- a/keyboards/handwired/dactyl_manuform/dmote/62key/info.json
+++ b/keyboards/handwired/dactyl_manuform/dmote/62key/info.json
@@ -10,6 +10,9 @@
         "pid": "0x3632",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "layouts": {
         "LAYOUT_62key": {
             "layout": [
diff --git a/keyboards/handwired/dactyl_promicro/config.h b/keyboards/handwired/dactyl_promicro/config.h
index dd31ab6f7f..dc6f53955c 100644
--- a/keyboards/handwired/dactyl_promicro/config.h
+++ b/keyboards/handwired/dactyl_promicro/config.h
@@ -32,9 +32,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MOUSEKEY_MAX_SPEED      7
 #define MOUSEKEY_WHEEL_DELAY 0
 
-/* serial.c configuration for split keyboard */
-#define SOFT_SERIAL_PIN D0
-
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/handwired/dactyl_promicro/info.json b/keyboards/handwired/dactyl_promicro/info.json
index 580932c585..51451dfcc1 100644
--- a/keyboards/handwired/dactyl_promicro/info.json
+++ b/keyboards/handwired/dactyl_promicro/info.json
@@ -8,6 +8,9 @@
         "pid": "0x3060",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "layouts": {
diff --git a/keyboards/handwired/dactyl_rah/config.h b/keyboards/handwired/dactyl_rah/config.h
index 9216a1942f..abe8240150 100644
--- a/keyboards/handwired/dactyl_rah/config.h
+++ b/keyboards/handwired/dactyl_rah/config.h
@@ -34,9 +34,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* layer config */
 #define TAPPING_TOGGLE 1
 
-/* serial.c configuration for split keyboard */
-#define SOFT_SERIAL_PIN D0
-
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 
diff --git a/keyboards/handwired/dactyl_rah/info.json b/keyboards/handwired/dactyl_rah/info.json
index 9844abc88b..bc21fcee0f 100644
--- a/keyboards/handwired/dactyl_rah/info.json
+++ b/keyboards/handwired/dactyl_rah/info.json
@@ -8,6 +8,9 @@
     "pid": "0x3060",
     "device_version": "0.0.1"
   },
+  "split": {
+    "soft_serial_pin": "D0"
+  },
   "process