diff --git a/nuttx-configs/nxphlite-v3/nsh/defconfig b/nuttx-configs/nxphlite-v3/nsh/defconfig
index 8a49dd03f1..20293f2464 100644
--- a/nuttx-configs/nxphlite-v3/nsh/defconfig
+++ b/nuttx-configs/nxphlite-v3/nsh/defconfig
@@ -28,6 +28,7 @@ CONFIG_BUILD_FLAT=y
 # CONFIG_MOTOROLA_SREC is not set
 CONFIG_RAW_BINARY=y
 # CONFIG_UBOOT_UIMAGE is not set
+# CONFIG_DFU_BINARY is not set
 
 #
 # Customize Header Files
@@ -238,6 +239,8 @@ CONFIG_KINETIS_FTM0=y
 # CONFIG_KINETIS_FTM1 is not set
 CONFIG_KINETIS_FTM2=y
 CONFIG_KINETIS_FTM3=y
+# CONFIG_KINETIS_TPM1 is not set
+# CONFIG_KINETIS_TPM2 is not set
 CONFIG_KINETIS_LPTIMER=y
 CONFIG_KINETIS_RTC=y
 # CONFIG_KINETIS_EWM is not set
@@ -279,6 +282,14 @@ CONFIG_KINETIS_PORTEINTS=y
 #
 # Kinetis UART Configuration
 #
+
+#
+# Serial Driver Configuration
+#
+CONFIG_KINETIS_UART_BREAKS=y
+CONFIG_KINETIS_UART_EXTEDED_BREAK=y
+CONFIG_KINETIS_SERIALBRK_BSDCOMPAT=y
+# CONFIG_KINETIS_UART_SINGLEWIRE is not set
 CONFIG_KINETIS_UARTFIFOS=y
 
 #
@@ -297,6 +308,7 @@ CONFIG_LPUART0_SERIAL_CONSOLE=y
 # CONFIG_NO_LPUART_SERIAL_CONSOLE is not set
 CONFIG_KINETIS_MERGE_TTY=y
 CONFIG_KINETS_LPUART_LOWEST=y
+CONFIG_SERIAL_TERMIOS=y
 
 #
 # Architecture Options
@@ -317,6 +329,7 @@ CONFIG_ARCH_HAVE_MPU=y
 # CONFIG_ARCH_HAVE_EXTCLK is not set
 # CONFIG_ARCH_HAVE_POWEROFF is not set
 CONFIG_ARCH_HAVE_RESET=y
+# CONFIG_ARCH_HAVE_RTC_SUBSECONDS is not set
 # CONFIG_ARCH_USE_MPU is not set
 # CONFIG_ARCH_IRQPRIO is not set
 CONFIG_ARCH_STACKDUMP=y
@@ -525,6 +538,11 @@ CONFIG_DEV_NULL=y
 #
 # Buffering
 #
+
+#
+# Common  I/O Buffer Support
+#
+# CONFIG_DRIVERS_IOB is not set
 # CONFIG_DRVR_WRITEBUFFER is not set
 # CONFIG_DRVR_READAHEAD is not set
 # CONFIG_RAMDISK is not set
@@ -651,7 +669,7 @@ CONFIG_SERIAL_OFLOWCONTROL=y
 CONFIG_SERIAL_IFLOWCONTROL_WATERMARKS=y
 CONFIG_SERIAL_IFLOWCONTROL_LOWER_WATERMARK=10
 CONFIG_SERIAL_IFLOWCONTROL_UPPER_WATERMARK=90
-# CONFIG_ARCH_HAVE_SERIAL_TERMIOS is not set
+CONFIG_ARCH_HAVE_SERIAL_TERMIOS=y
 # CONFIG_UART0_SERIAL_CONSOLE is not set
 # CONFIG_UART1_SERIAL_CONSOLE is not set
 # CONFIG_UART2_SERIAL_CONSOLE is not set
@@ -681,8 +699,8 @@ CONFIG_UART1_BAUD=115200
 CONFIG_UART1_BITS=8
 CONFIG_UART1_PARITY=0
 CONFIG_UART1_2STOP=0
-CONFIG_UART1_IFLOWCONTROL=y
-CONFIG_UART1_OFLOWCONTROL=y
+# CONFIG_UART1_IFLOWCONTROL is not set
+# CONFIG_UART1_OFLOWCONTROL is not set
 # CONFIG_UART1_DMA is not set
 
 #
@@ -707,8 +725,8 @@ CONFIG_UART4_BAUD=57600
 CONFIG_UART4_BITS=8
 CONFIG_UART4_PARITY=0
 CONFIG_UART4_2STOP=0
-# CONFIG_UART4_IFLOWCONTROL is not set
-# CONFIG_UART4_OFLOWCONTROL is not set
+CONFIG_UART4_IFLOWCONTROL=y
+CONFIG_UART4_OFLOWCONTROL=y
 # CONFIG_UART4_DMA is not set
 # CONFIG_PSEUDOTERM is not set
 CONFIG_USBDEV=y
diff --git a/src/drivers/boards/nxphlite-v3/nxphlite_init.c b/src/drivers/boards/nxphlite-v3/nxphlite_init.c
index bc2e67bc4b..7b670040fc 100644
--- a/src/drivers/boards/nxphlite-v3/nxphlite_init.c
+++ b/src/drivers/boards/nxphlite-v3/nxphlite_init.c
@@ -147,7 +147,7 @@ int board_read_VBUS_state(void)
  *
  * Description:
  *   All boards my optionally provide this API to invert the Serial RC input.
- *   This is needed on SoCs that support the notion RXINV or TXINV as apposed to
+ *   This is needed on SoCs that support the notion RXINV or TXINV as opposed to
  *   and external XOR controlled by a GPIO
  *
  ************************************************************************************/
@@ -275,15 +275,7 @@ kinetis_boardinitialize(void)
 	nxphlite_spidev_initialize();
 }
 
-// FIXME:STUBS
-#include <termios.h>
-
-int cfsetspeed(FAR struct termios *termiosp, speed_t speed);
-int cfsetspeed(FAR struct termios *termiosp, speed_t speed)
-{
-	return 0;
-}
-
+//FIXME: Stubs  -----v
 int up_rtc_getdatetime(FAR struct tm *tp);
 int up_rtc_getdatetime(FAR struct tm *tp)
 {
@@ -308,18 +300,7 @@ static void kinetis_serial_dma_poll(void)
 {
 	// todo:Stubbed
 }
-struct termios;
-int tcgetattr(int fd, FAR struct termios *termiosp);
-int tcsetattr(int fd, int options, FAR const struct termios *termiosp);
-int tcgetattr(int fd, FAR struct termios *termiosp)
-{
-	return -1;
-}
-int tcsetattr(int fd, int options, FAR const struct termios *termiosp)
-{
-	return -1;
-
-}
+//FIXME: Stubs  -----v
 
 
 /****************************************************************************