1 files changed, 52 insertions, 0 deletions
diff --git a/keyboards/matrix/m20add/rules.mk b/keyboards/matrix/m20add/rules.mk
new file mode 100644
index 0000000000..6dba153932
--- /dev/null
+++ b/keyboards/matrix/m20add/rules.mk
@@ -0,0 +1,52 @@
+## chip/board settings
+# - the next two should match the directories in
+#   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+MCU_FAMILY = STM32
+MCU_SERIES = STM32F4xx
+
+# Linker script to use
+# - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+#   or <this_dir>/ld/
+MCU_LDSCRIPT = m20add_boot
+
+# Startup code to use
+#  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+MCU_STARTUP = stm32f4xx
+
+# Board: it should exist either in <chibios>/os/hal/boards/
+#  or <this_dir>/boards
+BOARD = m20add_bd
+
+# Cortex version
+MCU  = cortex-m4
+
+# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+ARMV = 7
+
+USE_FPU = yes
+
+# Vector table for application
+# 0x00000000-0x00001000 area is occupied by bootlaoder.*/
+OPT_DEFS =
+
+# Options to pass to dfu-util when flashing
+#DFU_ARGS = -d 0483:df11 -a 0 -s 0x08000000:leave
+#DFU_SUFFIX_ARGS = -p DF11 -v 0483
+
+# Build Options
+#   comment out to disable the options.
+#
+BOOTMAGIC_ENABLE = yes      # 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
+NKRO_ENABLE = no            # USB Nkey Rollover
+NO_USB_STARTUP_CHECK = yes	# Disable initialization only when usb is plugged in
+
+RGBLIGHT_ENABLE = yes
+
+CUSTOM_MATRIX = lite
+# project specific files
+SRC += matrix.c tca6424.c rgb_ring.c issi/is31fl3731.c
+QUANTUM_LIB_SRC += i2c_master.c