[Keyboard] YMDK YMD40 v2 (#11835)

* [Keyboard] YMDK YMD40 v2

* fork default keymap into default and factory

- factory keymap is as assigned by the extracted JSON provided by the vendor
- default keymap is based on the Planck

* add AUDIO_SUPPORTED rule per drashna

* modify factory keymap's readme

Recommend users copy the default keymap instead.

2 files changed, 56 insertions, 0 deletions

diff --git a/keyboards/ymdk/ymd40/v2/keymaps/default/keymap.c b/keyboards/ymdk/ymd40/v2/keymaps/default/keymap.c
new file mode 100644
index 0000000000..10d9385cf0
--- /dev/null
+++ b/keyboards/ymdk/ymd40/v2/keymaps/default/keymap.c
@@ -0,0 +1,55 @@
+/* Copyright 2021 James Young (@noroadsleft)
+ *
+ * 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/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+enum layer_names {
+  _QWERTY,
+  _LOWER,
+  _RAISE,
+  _ADJUST
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_QWERTY] = LAYOUT_ortho_4x12(
+        KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC,
+        KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
+        KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT,
+        KC_CAPS, KC_LCTL, KC_LALT, KC_LGUI, MO(1),   KC_SPC,  KC_SPC,  MO(2),   KC_UP,   KC_LEFT, KC_DOWN, KC_RGHT
+    ),
+    [_LOWER] = LAYOUT_ortho_4x12(
+        KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR,    KC_ASTR,    KC_LPRN, KC_RPRN, KC_BSPC,
+        KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS,    KC_PLUS,    KC_LCBR, KC_RCBR, KC_PIPE,
+        _______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  S(KC_NUHS), S(KC_NUBS), KC_HOME, KC_END,  _______,
+        _______, _______, _______, _______, _______, _______, _______, _______,    KC_MNXT,    KC_VOLD, KC_VOLU, KC_MPLY
+    ),
+    [_RAISE] = LAYOUT_ortho_4x12(
+        KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC,
+        KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS,
+        _______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_NUHS, KC_NUBS, KC_PGUP, KC_PGDN, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY
+    ),
+    [_ADJUST] = LAYOUT_ortho_4x12(
+        RESET,   RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI, _______, _______, _______, _______, _______, _______, DEBUG,
+        _______, RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD, AG_NORM, AG_SWAP, _______, _______, _______, _______, _______,
+        _______, BL_TOGG, BL_DEC,  BL_INC,  BL_BRTG, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+    )
+};
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+  return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
+}
diff --git a/keyboards/ymdk/ymd40/v2/keymaps/default/readme.md b/keyboards/ymdk/ymd40/v2/keymaps/default/readme.md
new file mode 100644
index 0000000000..9528663547
--- /dev/null
+++ b/keyboards/ymdk/ymd40/v2/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for YMD40 v2