Merge branch 'develop' -- breaking changes 2022-05-28.

10 files changed, 491 insertions, 0 deletions

diff --git a/keyboards/mt/mt84/config.h b/keyboards/mt/mt84/config.h
new file mode 100644
index 0000000000..bde8919ba7
--- /dev/null
+++ b/keyboards/mt/mt84/config.h
@@ -0,0 +1,136 @@
+ /* Copyright 2020  MT <704340378@qq.com>
+  *
+  * 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/>.
+  */
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0x4D54  // "MT"
+#define PRODUCT_ID      0x0002
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    MT
+#define PRODUCT         MT84
+
+
+/* key matrix size */
+#define MATRIX_ROWS 6
+#define MATRIX_COLS 15
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ *                  ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+#define MATRIX_ROW_PINS { D7, D6, D5, D3, D2, D4 }
+#define MATRIX_COL_PINS {B5, B6, C6, C7, F7, F6,F5, F4, F1, F0, B1, B2, B3, B7, E6 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
+#ifdef RGB_MATRIX_ENABLE
+	#define RGB_MATRIX_KEYPRESSES
+	#define RGB_MATRIX_FRAMEBUFFER_EFFECTS
+	#define RGB_MATRIX_MAXIMUM_BRIGHTNESS 200
+    #define RGB_MATRIX_STARTUP_MODE RGB_MATRIX_CYCLE_ALL
+	#define RGB_MATRIX_LED_PROCESS_LIMIT 20
+	#define RGB_MATRIX_LED_FLUSH_LIMIT 26
+	#define DRIVER_ADDR_1 0b1010000
+	#define DRIVER_ADDR_2 0b1011111
+
+
+
+    #define DRIVER_COUNT 2
+	#define DRIVER_1_LED_TOTAL 44
+	#define DRIVER_2_LED_TOTAL 40
+	#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)
+
+ // RGB Matrix Animation modes. Explicitly enabled
+ // For full list of effects, see:
+ // https://docs.qmk.fm/#/feature_rgb_matrix?id=rgb-matrix-effects
+ // #    define ENABLE_RGB_MATRIX_ALPHAS_MODS
+#    define ENABLE_RGB_MATRIX_GRADIENT_UP_DOWN
+#    define ENABLE_RGB_MATRIX_GRADIENT_LEFT_RIGHT
+#    define ENABLE_RGB_MATRIX_BREATHING
+ // #    define ENABLE_RGB_MATRIX_BAND_SAT
+ // #    define ENABLE_RGB_MATRIX_BAND_VAL
+ // #    define ENABLE_RGB_MATRIX_BAND_PINWHEEL_SAT
+ // #    define ENABLE_RGB_MATRIX_BAND_PINWHEEL_VAL
+ // #    define ENABLE_RGB_MATRIX_BAND_SPIRAL_SAT
+ // #    define ENABLE_RGB_MATRIX_BAND_SPIRAL_VAL
+#    define ENABLE_RGB_MATRIX_CYCLE_ALL
+#    define ENABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT
+#    define ENABLE_RGB_MATRIX_CYCLE_UP_DOWN
+#    define ENABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON
+#    define ENABLE_RGB_MATRIX_CYCLE_OUT_IN
+ // #    define ENABLE_RGB_MATRIX_CYCLE_OUT_IN_DUAL
+#    define ENABLE_RGB_MATRIX_CYCLE_PINWHEEL
+#    define ENABLE_RGB_MATRIX_CYCLE_SPIRAL
+#    define ENABLE_RGB_MATRIX_DUAL_BEACON
+ // #    define ENABLE_RGB_MATRIX_RAINBOW_BEACON
+#    define ENABLE_RGB_MATRIX_RAINBOW_PINWHEELS
+#    define ENABLE_RGB_MATRIX_RAINDROPS
+#    define ENABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS
+#    define ENABLE_RGB_MATRIX_HUE_BREATHING
+#    define ENABLE_RGB_MATRIX_HUE_PENDULUM
+#    define ENABLE_RGB_MATRIX_HUE_WAVE
+#    define ENABLE_RGB_MATRIX_PIXEL_RAIN
+#    define ENABLE_RGB_MATRIX_PIXEL_FLOW
+#    define ENABLE_RGB_MATRIX_PIXEL_FRACTAL
+ // enabled only if RGB_MATRIX_FRAMEBUFFER_EFFECTS is defined
+ // #    define ENABLE_RGB_MATRIX_TYPING_HEATMAP
+ // #    define ENABLE_RGB_MATRIX_DIGITAL_RAIN
+ // enabled only of RGB_MATRIX_KEYPRESSES or RGB_MATRIX_KEYRELEASES is defined
+#    define ENABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE
+#    define ENABLE_RGB_MATRIX_SOLID_REACTIVE
+#    define ENABLE_RGB_MATRIX_SOLID_REACTIVE_WIDE
+ // #    define ENABLE_RGB_MATRIX_SOLID_REACTIVE_MULTIWIDE
+ // #    define ENABLE_RGB_MATRIX_SOLID_REACTIVE_CROSS
+ // #    define ENABLE_RGB_MATRIX_SOLID_REACTIVE_MULTICROSS
+ // #    define ENABLE_RGB_MATRIX_SOLID_REACTIVE_NEXUS
+#    define ENABLE_RGB_MATRIX_SOLID_REACTIVE_MULTINEXUS
+#    define ENABLE_RGB_MATRIX_SPLASH
+#    define ENABLE_RGB_MATRIX_MULTISPLASH
+#    define ENABLE_RGB_MATRIX_SOLID_SPLASH
+#    define ENABLE_RGB_MATRIX_SOLID_MULTISPLASH
+
+#endif
+
+#define RGB_DI_PIN B0
+#ifdef RGB_DI_PIN
+ //    define RGBLIGHT_ANIMATIONS
+#    define RGBLIGHT_EFFECT_STATIC_GRADIENT
+#    define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+#    define RGBLIGHT_EFFECT_BREATHING
+#    define RGBLED_NUM 18
+#    define RGBLIGHT_HUE_STEP 8
+#    define RGBLIGHT_SAT_STEP 8
+#    define RGBLIGHT_VAL_STEP 8
+#    define RGBLIGHT_SLEEP
+#endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
diff --git a/keyboards/mt/mt84/info.json b/keyboards/mt/mt84/info.json
new file mode 100644
index 0000000000..aaded30962
--- /dev/null
+++ b/keyboards/mt/mt84/info.json
@@ -0,0 +1,10 @@
+{
+    "keyboard_name": "mt84", 
+    "url": "", 
+    "maintainer": "qmk", 
+    "layouts": {
+       "LAYOUT_75_ansi": {
+            "layout": [{"label":"Esc", "x":0, "y":0}, {"label":"F1", "x":1, "y":0}, {"label":"F2", "x":2, "y":0}, {"label":"F3", "x":3, "y":0}, {"label":"F4", "x":4, "y":0}, {"label":"F5", "x":5, "y":0}, {"label":"F6", "x":6, "y":0}, {"label":"F7", "x":7, "y":0}, {"label":"F8", "x":8, "y":0}, {"label":"F9", "x":9, "y":0}, {"label":"F10", "x":10, "y":0}, {"label":"F11", "x":11, "y":0}, {"label":"F12", "x":12, "y":0}, {"label":"PrtSc", "x":13, "y":0}, {"label":"Pause", "x":14, "y":0}, {"label":"Delete", "x":15, "y":0}, {"label":"~", "x":0, "y":1}, {"label":"!", "x":1, "y":1}, {"label":"@", "x":2, "y":1}, {"label":"#", "x":3, "y":1}, {"label":"$", "x":4, "y":1}, {"label":"%", "x":5, "y":1}, {"label":"^", "x":6, "y":1}, {"label":"&", "x":7, "y":1}, {"label":"*", "x":8, "y":1}, {"label":"(", "x":9, "y":1}, {"label":")", "x":10, "y":1}, {"label":"_", "x":11, "y":1}, {"label":"+", "x":12, "y":1}, {"label":"Backspace", "x":13, "y":1, "w":2}, {"label":"Home", "x":15, "y":1}, {"label":"Tab", "x":0, "y":2, "w":1.5}, {"label":"Q", "x":1.5, "y":2}, {"label":"W", "x":2.5, "y":2}, {"label":"E", "x":3.5, "y":2}, {"label":"R", "x":4.5, "y":2}, {"label":"T", "x":5.5, "y":2}, {"label":"Y", "x":6.5, "y":2}, {"label":"U", "x":7.5, "y":2}, {"label":"I", "x":8.5, "y":2}, {"label":"O", "x":9.5, "y":2}, {"label":"P", "x":10.5, "y":2}, {"label":"{", "x":11.5, "y":2}, {"label":"}", "x":12.5, "y":2}, {"label":"|", "x":13.5, "y":2, "w":1.5}, {"label":"Page Up", "x":15, "y":2}, {"label":"Caps Lock", "x":0, "y":3, "w":1.75}, {"label":"A", "x":1.75, "y":3}, {"label":"S", "x":2.75, "y":3}, {"label":"D", "x":3.75, "y":3}, {"label":"F", "x":4.75, "y":3}, {"label":"G", "x":5.75, "y":3}, {"label":"H", "x":6.75, "y":3}, {"label":"J", "x":7.75, "y":3}, {"label":"K", "x":8.75, "y":3}, {"label":"L", "x":9.75, "y":3}, {"label":":", "x":10.75, "y":3}, {"label":"\"", "x":11.75, "y":3}, {"label":"Enter", "x":12.75, "y":3, "w":2.25}, {"label":"Page Down", "x":15, "y":3}, {"label":"Shift", "x":0, "y":4, "w":2.25}, {"label":"Z", "x":2.25, "y":4}, {"label":"X", "x":3.25, "y":4}, {"label":"C", "x":4.25, "y":4}, {"label":"V", "x":5.25, "y":4}, {"label":"B", "x":6.25, "y":4}, {"label":"N", "x":7.25, "y":4}, {"label":"M", "x":8.25, "y":4}, {"label":"<", "x":9.25, "y":4}, {"label":">", "x":10.25, "y":4}, {"label":"?", "x":11.25, "y":4}, {"label":"Shift", "x":12.25, "y":4, "w":1.75}, {"label":"\u2191", "x":14, "y":4}, {"label":"End", "x":15, "y":4}, {"label":"Ctrl", "x":0, "y":5, "w":1.25}, {"label":"Win", "x":1.25, "y":5, "w":1.25}, {"label":"Alt", "x":2.5, "y":5, "w":1.25}, {"x":3.75, "y":5, "w":6.25}, {"label":"Alt", "x":10, "y":5}, {"label":"Fn", "x":11, "y":5}, {"label":"Ctrl", "x":12, "y":5}, {"label":"\u2190", "x":13, "y":5}, {"label":"\u2193", "x":14, "y":5}, {"label":"\u2192", "x":15, "y":5}]
+        }
+    }
+}
diff --git a/keyboards/mt/mt84/keymaps/default/config.h b/keyboards/mt/mt84/keymaps/default/config.h
new file mode 100644
index 0000000000..dd687cad58
--- /dev/null
+++ b/keyboards/mt/mt84/keymaps/default/config.h
@@ -0,0 +1,19 @@
+/* Copyright 2021 QMK
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+#define LAYER_STATE_8BIT
diff --git a/keyboards/mt/mt84/keymaps/default/keymap.c b/keyboards/mt/mt84/keymaps/default/keymap.c
new file mode 100644
index 0000000000..bb7d5b447f
--- /dev/null
+++ b/keyboards/mt/mt84/keymaps/default/keymap.c
@@ -0,0 +1,55 @@
+ /* Copyright 2020 mt<704340378@qq.com>
+  *
+  * 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 mt84_layers {
+    _DEFAULT,
+    _FN
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    [_DEFAULT] = LAYOUT_75_ansi(
+    	 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_PSCREEN, KC_PAUSE, KC_DELETE,
+        KC_GRAVE,  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_HOME,
+        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,
+        KC_CAPS, 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_PGDOWN,
+        KC_LSFT,          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_LALT, KC_LWIN,              KC_SPC,                                          MO(1),  KC_RALT, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+                        ),
+   [_FN]   = LAYOUT_75_ansi(
+      	 _______,  _______,  _______, _______,    _______, _______,  _______, _______, _______,  _______, _______,    _______, _______,  _______, _______,_______,
+      	 _______,  _______,  _______, _______,    _______, _______,  _______, _______, _______,  _______, _______,    _______, _______,  _______, _______,
+      	 _______,  _______,  _______, _______,    _______, _______,  _______, _______, _______,  _______, _______,    _______, _______,  _______, _______,
+        RGB_TOG, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, RGB_VAI, RGB_VAD, RGB_SPI, RGB_SPD, _______, _______,_______, _______,_______,
+        _______,  RGB_M_P, RGB_M_B, RGB_M_R, RGB_M_SW, RGB_M_SN, RGB_M_K, RGB_M_X, RGB_M_G, RGB_M_T, _______,_______,_______,_______,
+        _______,  _______,  _______,                        _______,                                                                     KC_TRNS, _______,  _______, _______, _______, _______
+                      )
+};
+
+void rgb_matrix_indicators_user(void) {
+	led_t led_state = host_keyboard_led_state();
+	    switch (get_highest_layer(layer_state)) {
+	      case _FN:
+	        rgb_matrix_set_color(77,0xFF, 0x80, 0x00);
+          break;
+    }
+    if (led_state.caps_lock) {
+          rgb_matrix_set_color(46, 0xFF, 0xFF, 0xFF);
+    }
+}
diff --git a/keyboards/mt/mt84/keymaps/via/keymap.c b/keyboards/mt/mt84/keymaps/via/keymap.c
new file mode 100644
index 0000000000..ca62790cde
--- /dev/null
+++ b/keyboards/mt/mt84/keymaps/via/keymap.c
@@ -0,0 +1,48 @@
+ /* Copyright 2020 MaiKong<704340378@qq.com>
+  * 
+  * 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] = {
+
+	LAYOUT_75_ansi(
+    	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_PSCREEN, KC_PAUSE, KC_DELETE,
+        KC_GRAVE,  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_HOME,
+        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,
+        KC_CAPS, 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_PGDOWN,
+        KC_LSFT,          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_LALT, KC_LWIN,              KC_SPC,                                          MO(1),  KC_RALT, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT),
+	LAYOUT_75_ansi(
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,KC_TRNS,KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,KC_TRNS,
+		KC_TRNS, RGB_TOG, RGB_MOD, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, RGB_VAI, RGB_VAD, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, QK_BOOT,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, BL_DEC,  BL_TOGG, BL_INC,  BL_STEP, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
+	LAYOUT_75_ansi(
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,KC_TRNS,KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
+	LAYOUT_75_ansi(
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,KC_TRNS,KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
+};
diff --git a/keyboards/mt/mt84/keymaps/via/rules.mk b/keyboards/mt/mt84/keymaps/via/rules.mk
new file mode 100644
index 0000000000..ca9fed0e6b
--- /dev/null
+++ b/keyboards/mt/mt84/keymaps/via/rules.mk
@@ -0,0 +1,2 @@
+LTO_ENABLE = yes
+VIA_ENABLE = yes
diff --git a/keyboards/mt/mt84/mt84.c b/keyboards/mt/mt84/mt84.c
new file mode 100644
index 0000000000..e15a1ff951
--- /dev/null
+++ b/keyboards/mt/mt84/mt84.c
@@ -0,0 +1,140 @@
+ /* Copyright 2020 MT<704340378@qq.com>
+  *
+  * 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 "mt84.h"
+
+#ifdef RGB_MATRIX_ENABLE
+const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL] = {
+ /* Refer to IS31 manual for these locations
+ *   driver
+ *   |  R location
+ *   |  |      G location
+ *   |  |      |      B location
+ *   |  |      |      | */
+
+   {0, A_11,   B_11,   C_11},
+   {0, D_11,   E_11,   F_11},
+   {0, G_11,   H_11,   I_11},
+   {0, J_11,   K_11,   L_11},
+   {0, A_12,   B_12,   C_12},
+   {0, D_12,   E_12,   F_12},
+   {0, G_12,   H_12,   I_12},
+   {0, J_12,   K_12,   L_12},
+   {1, A_11,   B_11,   C_11},
+   {1, D_11,   E_11,   F_11},
+   {1, G_11,   H_11,   I_11},
+   {1, J_11,   K_11,   L_11},
+   {1, A_12,   B_12,   C_12},
+   {1, D_12,   E_12,   F_12},
+   {1, G_12,   H_12,   I_12},
+   {1, J_12,   K_12,   L_12},
+
+   {0, A_1,   B_1,   C_1},
+   {0, D_1,   E_1,   F_1},
+   {0, G_1,   H_1,   I_1},
+   {0, J_1,   K_1,   L_1},
+   {0, A_6,   B_6,   C_6},
+   {0, D_6,   E_6,   F_6},
+   {0, G_6,   H_6,   I_6},
+   {0, J_6,   K_6,   L_6},
+   {1, A_1,   B_1,   C_1},
+   {1, D_1,   E_1,   F_1},
+   {1, G_1,   H_1,   I_1},
+   {1, J_1,   K_1,   L_1},
+   {1, A_6,   B_6,   C_6},
+   {1, D_6,   E_6,   F_6},
+   {1, G_6,   H_6,   I_6},
+
+   {0, A_2,   B_2,   C_2},
+   {0, D_2,   E_2,   F_2},
+   {0, G_2,   H_2,   I_2},
+   {0, J_2,   K_2,   L_2},
+   {0, A_7,   B_7,   C_7},
+   {0, D_7,   E_7,   F_7},
+   {0, G_7,   H_7,   I_7},
+   {0, J_7,   K_7,   L_7},
+   {1, A_2,   B_2,   C_2},
+   {1, D_2,   E_2,   F_2},
+   {1, G_2,   H_2,   I_2},
+   {1, J_2,   K_2,   L_2},
+   {1, A_7,   B_7,   C_7},
+   {1, D_7,   E_7,   F_7},
+   {1, G_7,   H_7,   I_7},
+
+   {0, A_3,   B_3,   C_3},
+   {0, D_3,   E_3,   F_3},
+   {0, G_3,   H_3,   I_3},
+   {0, J_3,   K_3,   L_3},
+   {0, A_8,   B_8,   C_8},
+   {0, D_8,   E_8,   F_8},
+   {0, G_8,   H_8,   I_8},
+   {0, J_8,   K_8,   L_8},
+   {1, A_3,   B_3,   C_3},
+   {1, D_3,   E_3,   F_3},
+   {1, G_3,   H_3,   I_3},
+   {1, J_3,   K_3,   L_3},
+   {1, A_8,   B_8,   C_8},
+   {1, G_8,   H_8,   I_8},
+
+   {0, A_4,   B_4,   C_4},
+   {0, D_4,   E_4,   F_4},
+   {0, G_4,   H_4,   I_4},
+   {0, J_4,   K_4,   L_4},
+   {0, A_9,   B_9,   C_9},
+   {0, D_9,   E_9,   F_9},
+   {0, G_9,   H_9,   I_9},
+   {0, J_9,   K_9,   L_9},
+   {1, A_4,   B_4,   C_4},
+   {1, D_4,   E_4,   F_4},
+   {1, G_4,   H_4,   I_4},
+   {1, J_4,   K_4,   L_4},
+   {1, A_9,   B_9,   C_9},
+   {1, G_9,   H_9,   I_9},
+
+   {0, A_5,   B_5,   C_5},
+   {0, D_5,   E_5,   F_5},
+   {0, G_5,   H_5,   I_5},
+   {0, D_10,  E_10,  F_10},
+   {1, D_5,   E_5,   F_5},
+   {1, G_5,   H_5,   I_5},
+   {1, J_5,   K_5,   L_5},
+   {1, A_10,  B_10,  C_10},
+   {1, D_10,  E_10,  F_10},
+   {1, G_10,   H_10,   I_10}
+};
+
+led_config_t g_led_config = {{
+    {  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14 },
+    { 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,  28, 29 },
+    { 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 },
+    { 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,  55, 56, 57, 58 },
+    { 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73 },
+    {74, 75, 76, 77, 78, 79, 80, 81, 82, 83 }
+}, {
+    {   0,  0 }, {  15,  0 }, {  30,  0 }, {  45,  0 }, {  60,  0 }, { 75,  0 }, { 90,  0 }, { 105,  0 }, { 120,  0 }, { 135,  0 }, { 150,  0 }, { 165,  0 }, { 180,  0 }, { 195,  0 }, { 210,  0 }, { 224,  0 },
+    {   0,  13 }, {  15,  13 }, {  30,  13 }, {  45,  13 }, {  60,  13 }, { 75,  13 }, { 90,  13 }, { 105,  13 }, { 120,  13 }, { 135,  13 }, { 150,  13 }, { 165,  13 }, { 180,  13 }, { 205,  13 }, { 224,  13 },
+    {   3, 26 }, {  18, 26 }, {  33, 26 }, {  48, 26 }, {  63, 26 }, { 78, 26 }, { 93, 26 }, { 108, 26 }, { 123, 26 }, { 138, 26 }, { 153, 26 }, { 168, 26 }, { 183,  26 }, { 205,  26 },{ 224,  26 },
+    {   6, 39 }, {  20, 39 }, {  36, 39 }, {  52, 39 }, {  68, 39 }, { 84, 39 }, { 100, 39 }, { 116, 39 }, { 132, 39 }, { 148, 39 }, { 164, 39 }, { 180, 39 }, { 212,  39 }, { 224,  39 },
+    {   9, 52 }, {  27, 52 }, {  43, 52 }, {  59, 52 }, {  75, 52 }, { 91, 52 }, { 107, 52 }, { 123, 52 }, { 139, 52 }, { 155, 52 }, { 171, 52 }, { 187, 52 }, { 212,  52 }, { 224,  52 },
+{   2, 64 }, {  18, 64 }, {  33, 64 },                 {  93, 64 },                                                                              { 150, 64 }, { 165,  64 }, { 180, 64 }, { 195, 64 }, { 210, 64 }, { 224, 64 }
+}, {
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1,
+    1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1,
+    1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1,
+    1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1,
+    1, 1, 1,         4,              1, 1, 1, 4, 4, 4,
+}};
+#endif
diff --git a/keyboards/mt/mt84/mt84.h b/keyboards/mt/mt84/mt84.h
new file mode 100644
index 0000000000..d3de007c94
--- /dev/null
+++ b/keyboards/mt/mt84/mt84.h
@@ -0,0 +1,35 @@
+   /* Copyright 2020 MaiKong<704340378@qq.com>
+  * 
+  * 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/>. 
+  */
+#pragma once
+
+#include "quantum.h"
+
+#define LAYOUT_75_ansi( \
+    k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0A, k0B, k0C, k0D, k0E, k4E, \
+    k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E,\
+    k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E,\
+    k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C,          k3E, \
+    k40, k41, k42, k43, k44, k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, \
+    k50, k51, k52,                k55,                         k59, k5A, k5B, k5C, k5D, k5E \
+) \
+{ \
+    {k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0A, k0B, k0C, k0D, k0E}, \
+    {k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E}, \
+    {k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E}, \
+    {k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C, KC_NO, k3E}, \
+    {k40, k41, k42, k43, k44, k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, k4E}, \
+    {k50, k51, k52, KC_NO,KC_NO, k55, KC_NO,KC_NO,KC_NO, k59, k5A, k5B, k5C, k5D, k5E} \
+}
diff --git a/keyboards/mt/mt84/readme.md b/keyboards/mt/mt84/readme.md
new file mode 100644
index 0000000000..f26521ad6a
--- /dev/null
+++ b/keyboards/mt/mt84/readme.md
@@ -0,0 +1,23 @@
+# Mt84rgb 
+
+![Mt84rgb](https://i.imgur.com/2fJg3DDl.png)
+
+A 84% keyboard PCB made by MT.
+It supports standard 84-key layout, with hotswap sockets and per-key RGB backlight.
+
+
+* Keyboard Maintainer: [MT](https://github.com/704340378)
+* Hardware Supported: mt84rgb (atmega32u4)
+* Hardware Availability: [麦田外设](https://shop110310565.taobao.com)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make mt/mt84:default
+    
+Flashing example for this keyboard:
+
+    make mt/mt84:default:flash
+
+To put the board into bootloader mode, either press the reset button on the bottom the PCB or hold Space+B while plugging it in.
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
diff --git a/keyboards/mt/mt84/rules.mk b/keyboards/mt/mt84/rules.mk
new file mode 100644
index 0000000000..0543099445
--- /dev/null
+++ b/keyboards/mt/mt84/rules.mk
@@ -0,0 +1,23 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = yes           # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGB_MATRIX_ENABLE = yes     # Use RGB Matrix
+RGB_MATRIX_DRIVER = IS31FL3737
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+LTO_ENABLE = yes
+
+LAYOUTS = 75_ansi