diff --git a/keyboard/onekey/Makefile.lufa b/keyboard/onekey/Makefile.lufa
index 03cfd83a57..2a97aa63a8 100644
--- a/keyboard/onekey/Makefile.lufa
+++ b/keyboard/onekey/Makefile.lufa
@@ -108,34 +108,25 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
 # Build Options
 #   comment out to disable the options.
 #
-BOOTMAGIC_ENABLE = yes	# Virtual DIP switch configuration(+1000)
-MOUSEKEY_ENABLE = yes	# Mouse keys(+4700)
-EXTRAKEY_ENABLE = yes	# Audio control and System control(+450)
+#BOOTMAGIC_ENABLE = yes	# Virtual DIP switch configuration(+1000)
+#MOUSEKEY_ENABLE = yes	# Mouse keys(+4700)
+#EXTRAKEY_ENABLE = yes	# Audio control and System control(+450)
 CONSOLE_ENABLE = yes	# Console for debug(+400)
-COMMAND_ENABLE = yes    # Commands for debug and configuration
-SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
+#COMMAND_ENABLE = yes    # Commands for debug and configuration
+#SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
 #NKRO_ENABLE = yes	# USB Nkey Rollover - not yet supported in LUFA
 
+PS2_MOUSE_ENABLE = yes  # PS/2 mouse(TrackPoint) support
+PS2_USE_BUSYWAIT = yes # uses primitive reference code
+#PS2_USE_INT = yes      # uses external interrupt for falling edge of PS/2 clock pin
+#PS2_USE_USART = yes     # uses hardware USART engine for PS/2 signal receive(recomened)
 
-# Optimize size but this may cause error "relocation truncated to fit"
-#EXTRALDFLAGS = -Wl,--relax
 
 # Search Path
 VPATH += $(TARGET_DIR)
 VPATH += $(TOP_DIR)
 
-include $(TOP_DIR)/protocol/lufa.mk
 include $(TOP_DIR)/common.mk
+include $(TOP_DIR)/protocol.mk
+include $(TOP_DIR)/protocol/lufa.mk
 include $(TOP_DIR)/rules.mk
-
-plain: OPT_DEFS += -DKEYMAP_PLAIN
-plain: all
-
-poker: OPT_DEFS += -DKEYMAP_POKER
-poker: all
-
-poker_set: OPT_DEFS += -DKEYMAP_POKER_SET
-poker_set: all
-
-poker_bit: OPT_DEFS += -DKEYMAP_POKER_BIT
-poker_bit: all
diff --git a/keyboard/onekey/Makefile.pjrc b/keyboard/onekey/Makefile.pjrc
index 194a2b9756..0f0f709725 100644
--- a/keyboard/onekey/Makefile.pjrc
+++ b/keyboard/onekey/Makefile.pjrc
@@ -79,32 +79,25 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
 # Build Options
 #   comment out to disable the options.
 #
-BOOTMAGIC_ENABLE = yes	# Virtual DIP switch configuration(+1000)
-MOUSEKEY_ENABLE = yes	# Mouse keys(+5000)
-EXTRAKEY_ENABLE = yes	# Audio control and System control(+600)
+#BOOTMAGIC_ENABLE = yes	# Virtual DIP switch configuration(+1000)
+#MOUSEKEY_ENABLE = yes	# Mouse keys(+5000)
+#EXTRAKEY_ENABLE = yes	# Audio control and System control(+600)
 CONSOLE_ENABLE = yes    # Console for debug
-COMMAND_ENABLE = yes    # Commands for debug and configuration
-SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
-NKRO_ENABLE = yes	# USB Nkey Rollover(+500)
+#COMMAND_ENABLE = yes    # Commands for debug and configuration
+#SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
+#NKRO_ENABLE = yes	# USB Nkey Rollover(+500)
+
 #PS2_MOUSE_ENABLE = yes	# PS/2 mouse(TrackPoint) support
+#PS2_USE_BUSYWAIT = yes # uses primitive reference code
+#PS2_USE_INT = yes      # uses external interrupt for falling edge of PS/2 clock pin
+#PS2_USE_USART = yes     # uses hardware USART engine for PS/2 signal receive(recomened)
 
 
 # Search Path
 VPATH += $(TARGET_DIR)
 VPATH += $(TOP_DIR)
 
-include $(TOP_DIR)/protocol/pjrc.mk
 include $(TOP_DIR)/common.mk
+include $(TOP_DIR)/protocol.mk
+include $(TOP_DIR)/protocol/pjrc.mk
 include $(TOP_DIR)/rules.mk
-
-plain: OPT_DEFS += -DKEYMAP_PLAIN
-plain: all
-
-poker: OPT_DEFS += -DKEYMAP_POKER
-poker: all
-
-poker_set: OPT_DEFS += -DKEYMAP_POKER_SET
-poker_set: all
-
-poker_bit: OPT_DEFS += -DKEYMAP_POKER_BIT
-poker_bit: all
diff --git a/keyboard/onekey/config.h b/keyboard/onekey/config.h
index c5bc64de9c..8403c9b65b 100644
--- a/keyboard/onekey/config.h
+++ b/keyboard/onekey/config.h
@@ -67,4 +67,89 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
 
+
+/* PS/2 mouse */
+#define PS2_MOUSE_DEBUG
+#ifdef PS2_USE_BUSYWAIT
+#   define PS2_CLOCK_PORT  PORTD
+#   define PS2_CLOCK_PIN   PIND
+#   define PS2_CLOCK_DDR   DDRD
+#   define PS2_CLOCK_BIT   1
+#   define PS2_DATA_PORT   PORTD
+#   define PS2_DATA_PIN    PIND
+#   define PS2_DATA_DDR    DDRD
+#   define PS2_DATA_BIT    2
+#endif
+
+
+#ifdef PS2_USE_INT
+/* uses INT1 for clock line(ATMega32U4) */
+#define PS2_CLOCK_PORT  PORTD
+#define PS2_CLOCK_PIN   PIND
+#define PS2_CLOCK_DDR   DDRD
+#define PS2_CLOCK_BIT   1
+#define PS2_DATA_PORT   PORTD
+#define PS2_DATA_PIN    PIND
+#define PS2_DATA_DDR    DDRD
+#define PS2_DATA_BIT    2
+
+#define PS2_INT_INIT()  do {    \
+    EICRA |= ((1<<ISC11) |      \
+              (0<<ISC10));      \
+} while (0)
+#define PS2_INT_ON()  do {      \
+    EIMSK |= (1<<INT1);         \
+} while (0)
+#define PS2_INT_OFF() do {      \
+    EIMSK &= ~(1<<INT1);        \
+} while (0)
+#define PS2_INT_VECT    INT1_vect
+#endif
+
+
+#ifdef PS2_USE_USART
+#if defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)
+/* XCK for clock line and RXD for data line */
+#define PS2_CLOCK_PORT  PORTD
+#define PS2_CLOCK_PIN   PIND
+#define PS2_CLOCK_DDR   DDRD
+#define PS2_CLOCK_BIT   5
+#define PS2_DATA_PORT   PORTD
+#define PS2_DATA_PIN    PIND
+#define PS2_DATA_DDR    DDRD
+#define PS2_DATA_BIT    2
+
+/* synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge */
+/* set DDR of CLOCK as input to be slave */
+#define PS2_USART_INIT() do {   \
+    PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT);   \
+    PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT);     \
+    UCSR1C = ((1 << UMSEL10) |  \
+              (3 << UPM10)   |  \
+              (0 << USBS1)   |  \
+              (3 << UCSZ10)  |  \
+              (0 << UCPOL1));   \
+    UCSR1A = 0;                 \
+    UBRR1H = 0;                 \
+    UBRR1L = 0;                 \
+} while (0)
+#define PS2_USART_RX_INT_ON() do {  \
+    UCSR1B = ((1 << RXCIE1) |       \
+              (1 << RXEN1));        \
+} while (0)
+#define PS2_USART_RX_POLL_ON() do { \
+    UCSR1B = (1 << RXEN1);          \
+} while (0)
+#define PS2_USART_OFF() do {    \
+    UCSR1C = 0;                 \
+    UCSR1B &= ~((1 << RXEN1) |  \
+                (1 << TXEN1));  \
+} while (0)
+#define PS2_USART_RX_READY      (UCSR1A & (1<<RXC1))
+#define PS2_USART_RX_DATA       UDR1
+#define PS2_USART_ERROR         (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
+#define PS2_USART_RX_VECT       USART1_RX_vect
+#endif
+#endif
+
 #endif
diff --git a/keyboard/onekey/matrix.c b/keyboard/onekey/matrix.c
index cd0789c60f..a0a14ff821 100644
--- a/keyboard/onekey/matrix.c
+++ b/keyboard/onekey/matrix.c
@@ -59,6 +59,7 @@ void matrix_init(void)
 {
     debug_enable = true;
     debug_matrix = true;
+    debug_mouse = true;
     // initialize row and col
     unselect_rows();
     init_cols();