diff --git a/keyboards/gmmk/pro/keymaps/jonavin/config.h b/keyboards/gmmk/pro/keymaps/jonavin/config.h
new file mode 100644
index 00000000000..d7219b2571f
--- /dev/null
+++ b/keyboards/gmmk/pro/keymaps/jonavin/config.h
@@ -0,0 +1,28 @@
+/* Copyright 2021 Jonavin Eng
+ *
+ * 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 .
+ */
+
+#pragma once
+
+#define TAPPING_TOGGLE 2
+// TT set to two taps
+
+/* Handle GRAVESC combo keys */
+#define GRAVE_ESC_ALT_OVERRIDE
+ //Always send Escape if Alt is pressed
+#define GRAVE_ESC_CTRL_OVERRIDE
+ //Always send Escape if Control is pressed
+
+#define TAPPING_TERM 180
diff --git a/keyboards/gmmk/pro/keymaps/jonavin/keymap.c b/keyboards/gmmk/pro/keymaps/jonavin/keymap.c
new file mode 100644
index 00000000000..7289c1dd9e5
--- /dev/null
+++ b/keyboards/gmmk/pro/keymaps/jonavin/keymap.c
@@ -0,0 +1,151 @@
+/* Copyright 2021 Glorious, LLC
+ Copyright 2021 Jonavin
+
+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 .
+*/
+
+#include QMK_KEYBOARD_H
+
+enum custom_layers {
+ _BASE,
+ _FN1,
+ _MO2,
+ _MO3,
+};
+
+enum custom_keycodes {
+ KC_00 = SAFE_RANGE,
+ KC_WINLCK, //Toggles Win key on and off
+};
+
+// Tap Dance Definitions
+enum custom_tapdance {
+ TD_LSFT_CAPSLOCK,
+};
+
+qk_tap_dance_action_t tap_dance_actions[] = {
+ // Tap once for shift, twice for Caps Lock
+ [TD_LSFT_CAPSLOCK] = ACTION_TAP_DANCE_DOUBLE(KC_LSFT, KC_CAPS),
+};
+
+#define KC_LSFTCAPS TD(TD_LSFT_CAPSLOCK)
+
+bool _isWinKeyDisabled = false;
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ switch (keycode) {
+ case KC_00:
+ if (record->event.pressed) {
+ // when keycode KC_00 is pressed
+ SEND_STRING("00");
+ } else {
+ // when keycode KC_00 is released
+ }
+ break;
+
+ case KC_WINLCK:
+ if (record->event.pressed) {
+ _isWinKeyDisabled = !_isWinKeyDisabled; //toggle status
+ if(_isWinKeyDisabled) {
+ process_magic(GUI_OFF, record);
+ } else {
+ process_magic(GUI_ON, record);
+ }
+ } else unregister_code16(keycode);
+ break;
+ }
+ return true;
+};
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+// ESC F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Ins Rotary(Mute)
+// ~ 1 2 3 4 5 6 7 8 9 0 - (=) BackSpc Del
+// Tab Q W E R T Y U I O P [ ] \ PgUp
+// Caps A S D F G H J K L ; " Enter PgDn
+// Sh_L Z X C V B N M , . ? Sh_R Up End
+// Ct_L Win_L Alt_L SPACE Alt_R FN Ct_R Left Down Right
+
+
+ [_BASE] = LAYOUT(
+ KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_INS, KC_MUTE,
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_DEL,
+ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_PGUP,
+ TT(_MO2), KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, KC_PGDN,
+ KC_LSFTCAPS, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_UP, KC_END,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_RALT, MO(_FN1),KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+
+ [_FN1] = LAYOUT(
+ _______, KC_MYCM, KC_WHOM, KC_CALC, KC_MSEL, KC_MPRV, KC_MNXT, KC_MPLY, KC_MSTP, KC_MUTE, KC_VOLD, KC_VOLU, _______, KC_CALC, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, RGB_TOG,
+ _______, _______, RGB_VAI, _______, _______, _______, _______, KC_PSCR, KC_SLCK, KC_PAUS, _______, _______, _______, RESET, KC_HOME,
+ KC_CAPS, _______, RGB_VAD, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_END,
+ _______, _______, RGB_HUI, _______, _______, _______, KC_NLCK, _______, _______, _______, _______, _______, RGB_MOD, _______,
+ _______, KC_WINLCK, _______, _______, _______, _______, _______, RGB_SPD, RGB_RMOD, RGB_SPI
+ ),
+
+ [_MO2] = LAYOUT(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, KC_P7, KC_P8, KC_P9, KC_P0, KC_PMNS, KC_PPLS, _______, _______,
+ _______, KC_HOME, KC_UP, KC_END, KC_PGUP, _______, KC_TAB, KC_P4, KC_P5, KC_P6, KC_PDOT, _______, _______, _______, KC_HOME,
+ _______, KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN, _______, _______, KC_P1, KC_P2, KC_P3, KC_NO, KC_PAST, KC_PENT, KC_END,
+ _______, KC_NO, KC_DEL, KC_INS, KC_NO, KC_NO, KC_NO, KC_P0, KC_00, KC_PDOT, KC_PSLS, _______, RCTL(KC_PGUP), _______,
+ _______, _______, _______, KC_BSPC, _______, _______, _______, RCTL(KC_LEFT), RCTL(KC_PGDN), RCTL(KC_RIGHT)
+ ),
+
+ [_MO3] = LAYOUT(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+
+};
+
+#ifdef ENCODER_ENABLE // Encoder Functionality
+
+ bool encoder_update_user(uint8_t index, bool clockwise) {
+
+ if ( clockwise ) {
+ if (keyboard_report->mods & MOD_BIT(KC_LSFT) ) { // If you are holding L shift, Page up
+ unregister_mods(MOD_BIT(KC_LSFT));
+ register_code(KC_PGDN);
+ register_mods(MOD_BIT(KC_LSFT));
+ } else if (keyboard_report->mods & MOD_BIT(KC_LCTL)) { // if holding Left Ctrl, navigate next word
+ tap_code16(LCTL(KC_RGHT));
+ } else if (keyboard_report->mods & MOD_BIT(KC_LALT)) { // if holding Left Alt, change media next track
+ tap_code(KC_MEDIA_NEXT_TRACK);
+ } else {
+ tap_code(KC_VOLU); // Otherwise it just changes volume
+ }
+ } else {
+ if (keyboard_report->mods & MOD_BIT(KC_LSFT) ) {
+ unregister_mods(MOD_BIT(KC_LSFT));
+ register_code(KC_PGUP);
+ register_mods(MOD_BIT(KC_LSFT));
+ } else if (keyboard_report->mods & MOD_BIT(KC_LCTL)) { // if holding Left Ctrl, navigate previous word
+ tap_code16(LCTL(KC_LEFT));
+ } else if (keyboard_report->mods & MOD_BIT(KC_LALT)) { // if holding Left Alt, change media previous track
+ tap_code(KC_MEDIA_PREV_TRACK);
+ } else {
+ tap_code(KC_VOLD);
+ }
+ }
+ return true;
+ }
+#endif
diff --git a/keyboards/gmmk/pro/keymaps/jonavin/readme.md b/keyboards/gmmk/pro/keymaps/jonavin/readme.md
new file mode 100644
index 00000000000..45bfedb51b7
--- /dev/null
+++ b/keyboards/gmmk/pro/keymaps/jonavin/readme.md
@@ -0,0 +1,24 @@
+# jonavin's GMMK Pro layout
+
+- Add all the non-RGB related keys from Glorious Core default mapping that's missing in the default qmk mapping
+- Add PrtScr, Scroll Lock, Break, NumLock to Fn layer
+- Implement Win key lock using Fn+Win like in Glorious Core firmware
+- Layer 2 mod on Caps Lock with double-tap to switch to this layer, double tap to switch back
+- Layer 2 provides arrows on WASD and additional nav keys + right hand numpad with 00; an be used for Alt Code entry
+- Layer 2 left spacebar Backspace
+- add double tap of Left Shift to toggle Caps Lock
+- additional encoder functionality
+ - holding L shift, Navigate page up/down
+ - holding Left Ctrl, navigate prev/next word
+ - holding Left Alt, change media prev/next track
+ - default is change volume
+
+## All layers diagram
+Default layer
+
+
+Fn Layer
+
+
+Layer 2 (Caps Lock Mod)
+
diff --git a/keyboards/gmmk/pro/keymaps/jonavin/rules.mk b/keyboards/gmmk/pro/keymaps/jonavin/rules.mk
new file mode 100644
index 00000000000..f4f3d49392d
--- /dev/null
+++ b/keyboards/gmmk/pro/keymaps/jonavin/rules.mk
@@ -0,0 +1,4 @@
+VIA_ENABLE = yes
+MOUSEKEY_ENABLE = no
+TAP_DANCE_ENABLE = yes
+BOOTMAGIC_ENABLE = lite