diff --git a/keyboards/ymdk_np21/keymaps/via/keymap.c b/keyboards/ymdk_np21/keymaps/via/keymap.c
new file mode 100644
index 000000000..b36141402
--- /dev/null
+++ b/keyboards/ymdk_np21/keymaps/via/keymap.c
@@ -0,0 +1,52 @@
+/* Copyright 2021 Zereef
+ *
+ * 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
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT_ortho_6x4(
+        KC_ESC,  KC_TAB,  KC_BSPC, MO(1),
+        KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+        KC_P7,   KC_P8,   KC_P9,   KC_PPLS,
+        KC_P4,   KC_P5,   KC_P6,   KC_PPLS,
+        KC_P1,   KC_P2,   KC_P3,   KC_PENT,
+        KC_P0,   KC_DOT,  KC_PDOT, KC_PENT
+    ),
+    [1] = LAYOUT_ortho_6x4(
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, BL_ON,   _______, BL_INC,
+        _______, BL_TOGG, _______, BL_INC,
+        _______, BL_OFF,  _______, BL_DEC,
+        BL_BRTG, _______, _______, BL_DEC
+    ),
+    [2] = LAYOUT_ortho_6x4(
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______
+    ),
+    [3] = LAYOUT_ortho_6x4(
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______,
+        _______, _______, _______, _______
+    )
+};
diff --git a/keyboards/ymdk_np21/keymaps/via/rules.mk b/keyboards/ymdk_np21/keymaps/via/rules.mk
new file mode 100644
index 000000000..36b7ba9cb
--- /dev/null
+++ b/keyboards/ymdk_np21/keymaps/via/rules.mk
@@ -0,0 +1,2 @@
+VIA_ENABLE = yes
+LTO_ENABLE = yes