[Keyboard] Add Louhi keyboard (#11244)

* Add Louhi QMK config

* Modify info.json layout

* change compile and flash examples

* Tweak layout, change picture

* Change pictures to Imgur hosted

* Update keyboards/pohjolaworks/louhi/louhi.h

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/pohjolaworks/louhi/louhi.h

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/pohjolaworks/louhi/keymaps/default/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/pohjolaworks/louhi/keymaps/default/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/pohjolaworks/louhi/info.json

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/pohjolaworks/louhi/info.json

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/pohjolaworks/louhi/keymaps/default/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/pohjolaworks/louhi/readme.md

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

* Update keyboards/pohjolaworks/louhi/rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/pohjolaworks/louhi/keymaps/default/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/pohjolaworks/louhi/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

Co-authored-by: Erkki Halinen <erkki-eemeli.halinen@cgi.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

8 files changed, 347 insertions, 0 deletions

diff --git a/keyboards/pohjolaworks/louhi/config.h b/keyboards/pohjolaworks/louhi/config.h
new file mode 100644
index 000000000..a10d053b4
--- /dev/null
+++ b/keyboards/pohjolaworks/louhi/config.h
@@ -0,0 +1,150 @@
+/*
+Copyright 2020 Erkki Halinen
+
+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    0x5057
+#define PRODUCT_ID   0x0001
+#define DEVICE_VER   0x0001
+#define MANUFACTURER Pohjola Works
+#define PRODUCT      Louhi
+
+/* key matrix size */
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 7
+
+/*
+ * 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 { D3, D2, D1, D0, D7, C6, B4, E6 }
+#define MATRIX_COL_PINS { D4, B6, F4, F5, F6, F7, B1 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* Encoder pins */
+#define ENCODERS_PAD_A { B2 }
+#define ENCODERS_PAD_B { B3 }
+
+/*
+ * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
+ */
+#define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6
+
+//#define BACKLIGHT_PIN B7
+//#define BACKLIGHT_LEVELS 3
+//#define BACKLIGHT_BREATHING
+
+#define RGB_DI_PIN B5
+#ifdef RGB_DI_PIN
+#    define RGBLED_NUM 14
+#    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
+/*== or choose animations ==*/
+//#    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
+/*== customize breathing effect ==*/
+/*==== (DEFAULT) use fixed table instead of exp() and sin() ====*/
+//#    define RGBLIGHT_BREATHE_TABLE_SIZE 256      // 256(default) or 128 or 64
+/*==== use exp() and sin() ====*/
+//#    define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85  // 1 to 2.7
+//#    define RGBLIGHT_EFFECT_BREATHE_MAX    255   // 0 to 255
+#endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* 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
+
+/* If defined, GRAVE_ESC will always act as ESC when CTRL is held.
+ * This is useful for the Windows task manager shortcut (ctrl+shift+esc).
+ */
+//#define GRAVE_ESC_CTRL_OVERRIDE
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#define FORCE_NKRO
+
+/*
+ * 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
+
+/* disable these deprecated features by default */
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+
+/* Bootmagic Lite key configuration */
+//#define BOOTMAGIC_LITE_ROW 0
+//#define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/pohjolaworks/louhi/info.json b/keyboards/pohjolaworks/louhi/info.json
new file mode 100644
index 000000000..40de4505d
--- /dev/null
+++ b/keyboards/pohjolaworks/louhi/info.json
@@ -0,0 +1,15 @@
+{
+    "keyboard_name": "Louhi",
+    "url": "https://github.com/qmk/qmk_firmware/tree/master/keyboards/pohjolaworks/louhi",
+    "maintainer": "ErkHal",
+    "width": 13,
+    "height": 4,
+    "layouts": {
+        "LAYOUT_7u_space": {
+            "layout": [{"label":"Tab", "x":0, "y":0}, {"label":"Q", "x":1, "y":0}, {"label":"W", "x":2, "y":0}, {"label":"E", "x":3, "y":0}, {"label":"R", "x":4, "y":0}, {"label":"T", "x":5, "y":0}, {"label":"Y", "x":6, "y":0}, {"label":"U", "x":7, "y":0}, {"label":"I", "x":8, "y":0}, {"label":"O", "x":9, "y":0}, {"label":"P", "x":10, "y":0}, {"label":"\u00c5", "x":11, "y":0}, {"label":"Back Space", "x":12, "y":0}, {"label":"Esc", "x":0, "y":1}, {"label":"A", "x":1, "y":1}, {"label":"S", "x":2, "y":1}, {"label":"D", "x":3, "y":1}, {"label":"F", "x":4, "y":1}, {"label":"G", "x":5, "y":1}, {"label":"H", "x":6, "y":1}, {"label":"J", "x":7, "y":1}, {"label":"K", "x":8, "y":1}, {"label":"L", "x":9, "y":1}, {"label":";", "x":10, "y":1}, {"label":"'", "x":11, "y":1}, {"label":"Enter", "x":12, "y":1}, {"label":"Shift", "x":0, "y":2}, {"label":"Z", "x":1, "y":2}, {"label":"X", "x":2, "y":2}, {"label":"C", "x":3, "y":2}, {"label":"V", "x":4, "y":2}, {"label":"B", "x":5, "y":2}, {"label":"N", "x":6, "y":2}, {"label":"M", "x":7, "y":2}, {"label":",", "x":8, "y":2}, {"label":".", "x":9, "y":2}, {"label":"/", "x":10, "y":2}, {"label":"Up", "x":11, "y":2}, {"label":"Shift", "x":12, "y":2}, {"x":0, "y":3}, {"label":"Ctrl", "x":1, "y":3}, {"label":"Alt", "x":2, "y":3}, {"x":3, "y":3, "w":7}, {"label":"Left", "x":10, "y":3}, {"label":"Down", "x":11, "y":3}, {"label":"Left", "x":12, "y":3}]
+        },
+        "LAYOUT_all": {
+            "layout": [{"label":"Tab", "x":0, "y":0}, {"label":"Q", "x":1, "y":0}, {"label":"W", "x":2, "y":0}, {"label":"E", "x":3, "y":0}, {"label":"R", "x":4, "y":0}, {"label":"T", "x":5, "y":0}, {"label":"Y", "x":6, "y":0}, {"label":"U", "x":7, "y":0}, {"label":"I", "x":8, "y":0}, {"label":"O", "x":9, "y":0}, {"label":"P", "x":10, "y":0}, {"label":"\u00c5", "x":11, "y":0}, {"label":"Back Space", "x":12, "y":0}, {"label":"Esc", "x":0, "y":1}, {"label":"A", "x":1, "y":1}, {"label":"S", "x":2, "y":1}, {"label":"D", "x":3, "y":1}, {"label":"F", "x":4, "y":1}, {"label":"G", "x":5, "y":1}, {"label":"H", "x":6, "y":1}, {"label":"J", "x":7, "y":1}, {"label":"K", "x":8, "y":1}, {"label":"L", "x":9, "y":1}, {"label":";", "x":10, "y":1}, {"label":"'", "x":11, "y":1}, {"label":"Enter", "x":12, "y":1}, {"label":"Shift", "x":0, "y":2}, {"label":"Z", "x":1, "y":2}, {"label":"X", "x":2, "y":2}, {"label":"C", "x":3, "y":2}, {"label":"V", "x":4, "y":2}, {"label":"B", "x":5, "y":2}, {"label":"N", "x":6, "y":2}, {"label":"M", "x":7, "y":2}, {"label":",", "x":8, "y":2}, {"label":".", "x":9, "y":2}, {"label":"/", "x":10, "y":2}, {"label":"Up", "x":11, "y":2}, {"label":"Shift", "x":12, "y":2}, {"x":0, "y":3}, {"label":"Ctrl", "x":1, "y":3}, {"label":"Alt", "x":2, "y":3}, {"label":"Super", "x":3, "y":3}, {"label":"&dArr;", "x":4, "y":3}, {"label":"Space", "x":5, "y":3}, {"label":"Space", "x":6, "y":3}, {"label":"&uArr;", "x":7, "y":3}, {"label":"&larr;", "x":8, "y":3}, {"label":"&darr;", "x":9, "y":3}, {"label":"Left", "x":10, "y":3}, {"label":"Down", "x":11, "y":3}, {"label":"Right", "x":12, "y":3}]
+        }
+    }
+}
diff --git a/keyboards/pohjolaworks/louhi/keymaps/default/keymap.c b/keyboards/pohjolaworks/louhi/keymaps/default/keymap.c
new file mode 100644
index 000000000..ee334a249
--- /dev/null
+++ b/keyboards/pohjolaworks/louhi/keymaps/default/keymap.c
@@ -0,0 +1,57 @@
+/* Copyright 2020 Erkki Halinen
+ *
+ * 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 layers {
+  _QWERTY,
+  _LOWER,
+  _RAISE,
+};
+
+#define LOWER MO(_LOWER)
+#define RAISE MO(_RAISE)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+[_QWERTY] = LAYOUT_7u_space(
+    KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_BSPC,
+    KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_NUHS, KC_ENT,
+    KC_LCTL, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, LT(RAISE, KC_PGUP), KC_RSFT,
+    KC_LSFT, KC_LALT, KC_LGUI,                            KC_SPC,                              KC_RALT, LT(LOWER, KC_PGDN), KC_DEL
+),
+
+[_LOWER] = LAYOUT_7u_space(
+    KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR,    KC_ASTR,    KC_LPRN, KC_RPRN, _______, KC_DEL,
+    KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS,    KC_PLUS,    KC_LCBR, KC_RCBR, KC_PIPE, KC_ENT,
+    _______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  S(KC_NUHS), S(KC_NUBS), KC_HOME, KC_END,  _______, KC_RSFT,
+    _______, _______, _______,                            _______,                                  _______, _______, _______
+),
+
+[_RAISE] = LAYOUT_7u_space(
+    KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR,    KC_ASTR,    KC_LPRN, KC_RPRN, _______, KC_DEL,
+    KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS,    KC_PLUS,    KC_LCBR, KC_RCBR, KC_PIPE, KC_ENT,
+    _______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  S(KC_NUHS), S(KC_NUBS), KC_HOME, KC_END,  _______, KC_RSFT,
+    KC_VOLU, KC_MPLY, KC_MNXT,                            _______,                                   _______, _______, _______
+)
+};
+
+void encoder_update_user(uint8_t index, bool clockwise) {
+    if (clockwise) {
+        tap_code(KC_PGDN);
+    } else {
+        tap_code(KC_PGUP);
+    }
+}
diff --git a/keyboards/pohjolaworks/louhi/keymaps/default/readme.md b/keyboards/pohjolaworks/louhi/keymaps/default/readme.md
new file mode 100644
index 000000000..58708a2a4
--- /dev/null
+++ b/keyboards/pohjolaworks/louhi/keymaps/default/readme.md
@@ -0,0 +1,5 @@
+# The default keymap for Louhi
+
+Base layer
+
+![Default layout](https://i.imgur.com/FBR3Xpg.png)
diff --git a/keyboards/pohjolaworks/louhi/louhi.c b/keyboards/pohjolaworks/louhi/louhi.c
new file mode 100644
index 000000000..d5bb648b6
--- /dev/null
+++ b/keyboards/pohjolaworks/louhi/louhi.c
@@ -0,0 +1,17 @@
+/* Copyright 2020 Erkki Halinen
+ *
+ * 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 "louhi.h"
diff --git a/keyboards/pohjolaworks/louhi/louhi.h b/keyboards/pohjolaworks/louhi/louhi.h
new file mode 100644
index 000000000..661bee895
--- /dev/null
+++ b/keyboards/pohjolaworks/louhi/louhi.h
@@ -0,0 +1,59 @@
+/* Copyright 2020 Erkki Halinen
+ *
+ * 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"
+
+/* This is a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+#define LAYOUT_all( \
+    k00, k10, k01, k11, k02, k12, k03, k13, k04, k14, k05, k15, k06, \
+    k20, k30, k21, k31, k22, k32, k23, k33, k24, k34, k25, k35, k26, \
+    k40, k50, k41, k51, k42, k52, k43, k53, k44, k54, k45, k55, k46, \
+    k60, k70, k61, k71, k62, k72, k63, k73, k64, k74, k65, k75, k66  \
+) { \
+    { k00, k01, k02, k03,  k04, k05, k06 }, \
+    { k10, k11, k12, k13,  k14, k15, KC_NO },  \
+    { k20, k21, k22, k23,  k24, k25, k26 },  \
+    { k30, k31, k32, k33,  k34, k35, KC_NO },  \
+    { k40, k41, k42, k43,  k44, k45, k46 },  \
+    { k50, k51, k52, k53,  k54, k55, KC_NO },  \
+    { k60, k61, k62, k63,  k64, k65, k66 },  \
+    { k70, k71, k72, k73,  k74, k75, KC_NO }  \
+}
+
+#define LAYOUT_7u_space( \
+    k00, k10, k01, k11, k02, k12, k03, k13, k04, k14, k05, k15, k06, \
+    k20, k30, k21, k31, k22, k32, k23, k33, k24, k34, k25, k35, k26, \
+    k40, k50, k41, k51, k42, k52, k43, k53, k44, k54, k45, k55, k46, \
+    k60, k70, k61,                k63,                k65, k75, k66  \
+) { \
+    { k00, k01, k02, k03,  k04, k05, k06 }, \
+    { k10, k11, k12, k13,  k14, k15, KC_NO },  \
+    { k20, k21, k22, k23,  k24, k25, k26 },  \
+    { k30, k31, k32, k33,  k34, k35, KC_NO },  \
+    { k40, k41, k42, k43,  k44, k45, k46 },  \
+    { k50, k51, k52, k53,  k54, k55, KC_NO },  \
+    { k60, k61, KC_NO, k63,  KC_NO, k65, k66 },  \
+    { k70, KC_NO, KC_NO, KC_NO, KC_NO, k75, KC_NO }  \
+}
diff --git a/keyboards/pohjolaworks/louhi/readme.md b/keyboards/pohjolaworks/louhi/readme.md
new file mode 100644
index 000000000..d2169523b
--- /dev/null
+++ b/keyboards/pohjolaworks/louhi/readme.md
@@ -0,0 +1,21 @@
+# Louhi
+
+![Louhi](https://i.imgur.com/bsXOscK.png)
+
+4x13u Orthogonal keyboard with few bottom row layouts and encoder support.
+
+Encoder supported ONLY in one of the two spots at a time.
+
+* Keyboard Maintainer: [ErkHal](https://github.com/erkhal)
+* Hardware Supported: Louhi PCB (All revisions)
+* Hardware Availability: Coming soon to [Pohjola Works](https://pohjola.works)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make pohjolaworks/louhi:default
+
+Flashing example for this keyboard:
+
+    make pohjolaworks/louhi:default:flash
+
+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/pohjolaworks/louhi/rules.mk b/keyboards/pohjolaworks/louhi/rules.mk
new file mode 100644
index 000000000..8b8bacdcf
--- /dev/null
+++ b/keyboards/pohjolaworks/louhi/rules.mk
@@ -0,0 +1,23 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = caterina
+
+# 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 = no        # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no       # Enable Bluetooth
+AUDIO_ENABLE = no           # Audio output
+ENCODER_ENABLE = yes