diff --git a/targets/TARGET_TT/TARGET_TT_M3HQ/PinNames.h b/targets/TARGET_TT/TARGET_TT_M3HQ/PinNames.h
index e46946f075..e966a4f5fd 100644
--- a/targets/TARGET_TT/TARGET_TT_M3HQ/PinNames.h
+++ b/targets/TARGET_TT/TARGET_TT_M3HQ/PinNames.h
@@ -102,7 +102,10 @@ typedef enum {
     MBEDIF_RXD = USBRX,
 
     // Switches
-    SW2 = PV3,
+    SW1 = PP6,       //DIP switch J7_1
+    SW2 = PP7,       //DIP switch J7_2
+    SW3 = (int)0xFFFFFFFF,        //Reset Button
+    SW4 = PV3,       //Push button S2
     USER_BUTTON = PV3,
 
     // I2C pins
diff --git a/targets/TARGET_TT/TARGET_TT_M4G9/PinNames.h b/targets/TARGET_TT/TARGET_TT_M4G9/PinNames.h
index c87f5f01b4..28b0b37b20 100644
--- a/targets/TARGET_TT/TARGET_TT_M4G9/PinNames.h
+++ b/targets/TARGET_TT/TARGET_TT_M4G9/PinNames.h
@@ -101,7 +101,10 @@ typedef enum {
     MBED_CONF_APP_UART0_RX = PE2,
 
     // Switches
-    SW2 = PL4,
+    SW1 = (int)0xFFFFFFFF,        //Reset Button
+    SW2 = PL4,       //Push button S2
+    SW3 = PM0,       //DIP switch J7_1
+    SW4 = PM1,       //DIP switch J7_2
     USER_BUTTON = PL4,
 
     // I2C pins