4 files changed, 84 insertions, 0 deletions

diff --git a/keyboards/0_sixty/rules.mk b/keyboards/0_sixty/rules.mk
index d5df3b592..51bb5e735 100644
--- a/keyboards/0_sixty/rules.mk
+++ b/keyboards/0_sixty/rules.mk
@@ -18,3 +18,5 @@ NKRO_ENABLE = yes           # USB Nkey Rollover
 BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
 RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
 AUDIO_ENABLE = no           # Audio output
+
+LTO_ENABLE = yes            # Link-time opt
diff --git a/keyboards/0_sixty/underglow/config.h b/keyboards/0_sixty/underglow/config.h
new file mode 100644
index 000000000..5f4ebd4c4
--- /dev/null
+++ b/keyboards/0_sixty/underglow/config.h
@@ -0,0 +1,62 @@
+/* Copyright 2021 Vinam Arora <vinam@posteo.de>
+ *
+ * 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 */
+#undef PRODUCT_ID
+#define PRODUCT_ID      0x0061
+#undef PRODUCT
+#define PRODUCT         0-Sixty-underglow
+
+/* no caps lock with underglow */
+#undef LED_CAPS_LOCK_PIN
+
+/* underglow */
+#define RGB_DI_PIN B6
+#define RGBLED_NUM 24
+#define RGBLIGHT_LIMIT_VAL 185 // limit max I to 400mA 
+#define RGBLIGHT_EFFECT_BREATHING
+#define RGBLIGHT_EFFECT_RAINBOW_MOOD
+#define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+#define RGBLIGHT_EFFECT_SNAKE
+#define RGBLIGHT_EFFECT_KNIGHT
+#define RGBLIGHT_EFFECT_CHRISTMAS
+#define RGBLIGHT_EFFECT_STATIC_GRADIENT
+#define RGBLIGHT_EFFECT_RGB_TEST
+#define RGBLIGHT_EFFECT_ALTERNATING
+#define RGBLIGHT_EFFECT_TWINKLE
+#define RGBLIGHT 
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+#define NO_DEBUG
+
+/* disable print */
+#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
diff --git a/keyboards/0_sixty/underglow/rules.mk b/keyboards/0_sixty/underglow/rules.mk
new file mode 100644
index 000000000..84ef473c0
--- /dev/null
+++ b/keyboards/0_sixty/underglow/rules.mk
@@ -0,0 +1 @@
+RGBLIGHT_ENABLE = yes        # Enable keyboard RGB underglow
diff --git a/keyboards/0_sixty/underglow/underglow.h b/keyboards/0_sixty/underglow/underglow.h
new file mode 100644
index 000000000..807dfa84c
--- /dev/null
+++ b/keyboards/0_sixty/underglow/underglow.h
@@ -0,0 +1,19 @@
+/* Copyright 2021 Vinam Arora <vinam@posteo.de>
+ *
+ * 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 "0_sixty.h"