Add layout for split 3x5_2 (#15800)

layouts/default/split_3x5_2/default_split_3x5_2/keymap.c

@@ -0,0 +1,23 @@
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+     /*
+      * ┌───┬───┬───┬───┬───┐       ┌───┬───┬───┬───┬───┐
+      * │ Q │ W │ E │ R │ T │       │ Y │ U │ I │ O │ P │
+      * ├───┼───┼───┼───┼───┤       ├───┼───┼───┼───┼───┤
+      * │ A │ S │ D │ F │ G │       │ H │ J │ K │ L │ ; │
+      * ├───┼───┼───┼───┼───┤       ├───┼───┼───┼───┼───┤
+      * │ Z │ X │ C │ V │ B │       │ N │ M │ , │ . │ / │
+      * └───┴───┴───┴───┴───┘       └───┴───┴───┴───┴───┘
+      *               ┌───┐           ┌───┐
+      *               │Bsp├───┐   ┌───┤Ent│
+      *               └───┤Tab│   │Spc├───┘
+      *                   └───┘   └───┘
+      */
+    [0] = LAYOUT_split_3x5_2(
+        KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                               KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,
+        KC_A,    KC_S,    KC_D,    KC_F,    KC_G,                               KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN,
+        KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,                               KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH,
+                                            KC_BSPC, KC_TAB,           KC_SPC,  KC_ENT
+    )
+};

layouts/default/split_3x5_2/info.json

@@ -0,0 +1,52 @@
+{
+    "keyboard_name": "3x5+2 split layout",
+    "url": "",
+    "maintainer": "qmk",
+    "layouts": {
+        "LAYOUT_split_3x5_2": {
+            "layout": [
+                {"x":0, "y":0.25},
+                {"x":1, "y":0.125},
+                {"x":2, "y":0},
+                {"x":3, "y":0.125},
+                {"x":4, "y":0.25},
+
+                {"x":7, "y":0.25},
+                {"x":8, "y":0.125},
+                {"x":9, "y":0},
+                {"x":10, "y":0.125},
+                {"x":11, "y":0.25},
+
+                {"x":0, "y":1.25},
+                {"x":1, "y":1.125},
+                {"x":2, "y":1},
+                {"x":3, "y":1.125},
+                {"x":4, "y":1.25},
+
+                {"x":7, "y":1.25},
+                {"x":8, "y":1.125},
+                {"x":9, "y":1},
+                {"x":10, "y":1.125},
+                {"x":11, "y":1.25},
+
+                {"x":0, "y":2.25},
+                {"x":1, "y":2.125},
+                {"x":2, "y":2},
+                {"x":3, "y":2.125},
+                {"x":4, "y":2.25},
+
+                {"x":7, "y":2.25},
+                {"x":8, "y":2.125},
+                {"x":9, "y":2},
+                {"x":10, "y":2.125},
+                {"x":11, "y":2.25},
+
+                {"x":3.5, "y":3.25},
+                {"x":4.5, "y":3.5},
+
+                {"x":6.5, "y":3.5},
+                {"x":7.5, "y":3.25}
+            ]
+        }
+    }
+}

layouts/default/split_3x5_2/layout.json

@@ -0,0 +1,11 @@
+[{x:2,a:7},"",{x:6},""],
+[{y:-0.875,x:1},"",{x:1},"",{x:4},"",{x:1},""],
+[{y:-0.875},"",{x:3},"",{x:2},"",{x:3},""],
+[{y:-0.25,x:2},"",{x:6},""],
+[{y:-0.875,x:1},"",{x:1},"",{x:4},"",{x:1},""],
+[{y:-0.875},"",{x:3},"",{x:2},"",{x:3},""],
+[{y:-0.25,x:2},"",{x:6},""],
+[{y:-0.875,x:1},"",{x:1},"",{x:4},"",{x:1},""],
+[{y:-0.875},"",{x:3},"",{x:2},"",{x:3},""],
+[{y:-0.75,x:3.5},"",{x:3},""],
+[{y:-0.75,x:4.5},"",{x:1},""]

layouts/default/split_3x5_2/readme.md

@@ -0,0 +1,5 @@
+# split_3x5_2
+
+    LAYOUT_split_3x5_2
+
+Layout for split keyboards with 3x5 keys and two thumb keys per hand. Examples include the Architeuthis Dux, Ferris, and Cradio.