added ymdk ymd09 keyboard (#7831)

* added ymdk ymd09 keyboard

* lowercase github username

* change rgb keymap to make more sense

* fixed number of LEDs

* remove configuration for non-existant backlight

* use official template and change file permissions

* disable unnecessary nkro

* Apply suggestions from code review

Co-Authored-By: Joel Challis <git@zvecr.com>

* with easy reset via bootmagic lite, remove RESET from layout

Co-authored-by: Joel Challis <git@zvecr.com>

7 files changed, 163 insertions, 0 deletions

diff --git a/keyboards/ymdk/ymd09/README.md b/keyboards/ymdk/ymd09/README.md
new file mode 100644
index 000000000..dce883c1f
--- /dev/null
+++ b/keyboards/ymdk/ymd09/README.md
@@ -0,0 +1,15 @@
+# YMD09
+
+![YMD09](https://ae01.alicdn.com/kf/HTB1x6BATYvpK1RjSZPiq6zmwXXai/9-Key-QMK-Hotswap-YMDK-RGB-Support-Macro-Function-Type-C-MX-Switches-Mechanical-Keyboard-Numpad.jpg)
+
+A 9-key macropad by [YMDK](https://ymdk.aliexpress.com/store/429151) with per-key RGB lighting.
+
+* Keyboard Maintainer: [Patrick Fruh](https://github.com/kaeltis)
+* Hardware Supported: YMD09
+* Hardware Availability: [AliExpress](https://www.aliexpress.com/i/4000510880374.html)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make ymdk/ymd09:default
+
+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/ymdk/ymd09/config.h b/keyboards/ymdk/ymd09/config.h
new file mode 100644
index 000000000..b7e5539df
--- /dev/null
+++ b/keyboards/ymdk/ymd09/config.h
@@ -0,0 +1,66 @@
+/*
+Copyright 2020 Patrick Fruh
+
+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 0xFEED
+#define PRODUCT_ID 0x0909
+#define DEVICE_VER 0x0001
+#define MANUFACTURER YMDK
+#define PRODUCT YMD09
+#define DESCRIPTION 9-Key Macropad
+
+/* key matrix size */
+#define MATRIX_ROWS 3
+#define MATRIX_COLS 3
+
+/* Keyboard Matrix Assignments */
+#define MATRIX_ROW_PINS { F5, F4, F1 }
+#define MATRIX_COL_PINS { D6, D2, D1 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION ROW2COL
+
+#define RGB_DI_PIN E2
+#ifdef RGB_DI_PIN
+ #define RGBLED_NUM 9
+ #define RGBLIGHT_HUE_STEP 8
+ #define RGBLIGHT_SAT_STEP 8
+ #define RGBLIGHT_VAL_STEP 8
+ #define RGBLIGHT_LIMIT_VAL 255 /* The maximum brightness level */
+ #define RGBLIGHT_SLEEP  /* If defined, the RGB lighting will be switched off when the host goes to sleep */
+ /*== all animations enable ==*/
+ #define RGBLIGHT_ANIMATIONS
+#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
+
+/* disable these deprecated features by default */
+#ifndef LINK_TIME_OPTIMIZATION_ENABLE
+  #define NO_ACTION_MACRO
+  #define NO_ACTION_FUNCTION
+#endif
diff --git a/keyboards/ymdk/ymd09/info.json b/keyboards/ymdk/ymd09/info.json
new file mode 100644
index 000000000..cb11ac97f
--- /dev/null
+++ b/keyboards/ymdk/ymd09/info.json
@@ -0,0 +1,23 @@
+{
+    "keyboard_name": "YMD09",
+    "url": "https://www.aliexpress.com/item/4000510880374.html",
+    "maintainer": "kaeltis",
+    "width": 3,
+    "height": 3,
+    "layouts": {
+        "LAYOUT": {
+            "key_count": 9,
+            "layout": [
+                {"label": "7", "x": 0, "y": 0},
+                {"label": "8", "x": 1, "y": 0},
+                {"label": "9", "x": 2, "y": 0},
+                {"label": "4", "x": 0, "y": 1},
+                {"label": "5", "x": 1, "y": 1},
+                {"label": "6", "x": 2, "y": 1},
+                {"label": "1", "x": 0, "y": 2},
+                {"label": "2", "x": 1, "y": 2},
+                {"label": "3", "x": 2, "y": 2}
+            ]
+        }
+    }
+}
diff --git a/keyboards/ymdk/ymd09/keymaps/default/keymap.c b/keyboards/ymdk/ymd09/keymaps/default/keymap.c
new file mode 100644
index 000000000..330e41db6
--- /dev/null
+++ b/keyboards/ymdk/ymd09/keymaps/default/keymap.c
@@ -0,0 +1,13 @@
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+  [0] = LAYOUT(KC_KP_7, KC_KP_8, KC_KP_9,
+               KC_KP_4, LT(1, KC_KP_5), KC_KP_6,
+               KC_KP_1, KC_KP_2, KC_KP_3),
+
+  [1] = LAYOUT(RGB_RMOD, RGB_VAI, RGB_MOD,
+               RGB_HUI, KC_TRNS, RGB_SAI,
+               RGB_HUD, RGB_VAD, RGB_SAD),
+
+};
diff --git a/keyboards/ymdk/ymd09/rules.mk b/keyboards/ymdk/ymd09/rules.mk
new file mode 100644
index 000000000..171e9b1fc
--- /dev/null
+++ b/keyboards/ymdk/ymd09/rules.mk
@@ -0,0 +1,32 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = lite     # Virtual DIP switch configuration
+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
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+MIDI_ENABLE = no            # MIDI support
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output on port C6
+FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
+HD44780_ENABLE = no         # Enable support for HD44780 based LCDs
diff --git a/keyboards/ymdk/ymd09/ymd09.c b/keyboards/ymdk/ymd09/ymd09.c
new file mode 100644
index 000000000..179c0c6b3
--- /dev/null
+++ b/keyboards/ymdk/ymd09/ymd09.c
@@ -0,0 +1 @@
+#include "ymd09.h"
diff --git a/keyboards/ymdk/ymd09/ymd09.h b/keyboards/ymdk/ymd09/ymd09.h
new file mode 100644
index 000000000..76cb5d3f0
--- /dev/null
+++ b/keyboards/ymdk/ymd09/ymd09.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include "quantum.h"
+
+#define LAYOUT( \
+        K00, K01, K02, \
+        K10, K11, K12, \
+        K20, K21, K22  \
+) { \
+        { K00,   K01,   K02 }, \
+        { K10,   K11,   K12 }, \
+        { K20,   K21,   K22 }  \
+}