Enable DMA based serial driver and add polling serial driver for more data.

platforms/nuttx/nuttx-configs/nxphlite-v3/nsh/defconfig

@@ -208,6 +208,7 @@ CONFIG_ARCH_FAMILY_K66=y
 # Kinetis Peripheral Support
 #
 CONFIG_KINETIS_HAVE_FTM3=y
+CONFIG_KINETIS_HAVE_DMA=y
 CONFIG_KINETIS_HAVE_I2C1=y
 CONFIG_KINETIS_HAVE_I2C2=y
 CONFIG_KINETIS_HAVE_I2C3=y
@@ -298,6 +299,11 @@ CONFIG_KINETIS_UART_EXTEDED_BREAK=y
 CONFIG_KINETIS_SERIALBRK_BSDCOMPAT=y
 # CONFIG_KINETIS_UART_SINGLEWIRE is not set
 CONFIG_KINETIS_UARTFIFOS=y
+CONFIG_UART0_RXDMA=y
+CONFIG_UART1_RXDMA=y
+CONFIG_UART2_RXDMA=y
+CONFIG_UART4_RXDMA=y
+CONFIG_KINETIS_SERIAL_RXDMA_BUFFER_SIZE=64
 
 #
 # Kinetis LPUART0 Configuration
@@ -310,7 +316,6 @@ CONFIG_LPUART0_PARITY=0
 CONFIG_LPUART0_2STOP=0
 # CONFIG_LPUART0_IFLOWCONTROL is not set
 # CONFIG_LPUART0_OFLOWCONTROL is not set
-# CONFIG_LPUART0_DMA is not set
 CONFIG_LPUART0_SERIAL_CONSOLE=y
 # CONFIG_NO_LPUART_SERIAL_CONSOLE is not set
 CONFIG_KINETIS_MERGE_TTY=y
@@ -324,7 +329,7 @@ CONFIG_ARCH_TOOLCHAIN_GNU=y
 #
 # CONFIG_ARCH_NOINTC is not set
 # CONFIG_ARCH_VECNOTIRQ is not set
-# CONFIG_ARCH_DMA is not set
+CONFIG_ARCH_DMA=y
 CONFIG_ARCH_HAVE_IRQPRIO=y
 # CONFIG_ARCH_L2CACHE is not set
 # CONFIG_ARCH_HAVE_COHERENT_DCACHE is not set
@@ -389,21 +394,10 @@ CONFIG_ARCH_BOARD="nxphlite-v3"
 #
 # Common Board Options
 #
-CONFIG_ARCH_HAVE_LEDS=y
-# CONFIG_ARCH_LEDS is not set
 
 #
 # Board-Specific Options
 #
-CONFIG_NXPHLITE_SDHC_AUTOMOUNT=y
-CONFIG_NXPHLITE_SDHC_AUTOMOUNT_FSTYPE="vfat"
-CONFIG_NXPHLITE_SDHC_AUTOMOUNT_BLKDEV="/dev/mmcsd0"
-CONFIG_NXPHLITE_SDHC_AUTOMOUNT_MOUNTPOINT="/fs/microsd"
-CONFIG_NXPHLITE_SDHC_AUTOMOUNT_DDELAY=1000
-CONFIG_NXPHLITE_SDHC_AUTOMOUNT_UDELAY=2000
-
-CONFIG_BOARD_HAS_PROBES=y
-CONFIG_BOARD_USE_PROBES=y
 CONFIG_BOARD_CRASHDUMP=y
 CONFIG_BOARD_RESET_ON_CRASH=y
 CONFIG_LIB_BOARDCTL=y
@@ -792,6 +786,7 @@ CONFIG_USBDEV_MAXPOWER=500
 # CONFIG_PL2303 is not set
 CONFIG_CDCACM=y
 # CONFIG_CDCACM_CONSOLE is not set
+# CONFIG_CDCACM_IFLOWCONTROL is not set
 CONFIG_CDCACM_EP0MAXPACKET=64
 CONFIG_CDCACM_EPINTIN=1
 CONFIG_CDCACM_EPINTIN_FSSIZE=64
@@ -812,6 +807,7 @@ CONFIG_CDCACM_PRODUCTID=0x0011
 CONFIG_CDCACM_VENDORSTR="NXP"
 CONFIG_CDCACM_PRODUCTSTR="PX4 NXPHlite v3.x"
 # CONFIG_USBMSC is not set
+# CONFIG_RNDIS is not set
 # CONFIG_USBHOST is not set
 # CONFIG_USBMISC is not set
 # CONFIG_HAVE_USBTRACE is not set
@@ -1079,6 +1075,7 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
 # CONFIG_EXAMPLES_CXXTEST is not set
 # CONFIG_EXAMPLES_DHCPD is not set
 # CONFIG_EXAMPLES_ELF is not set
+# CONFIG_EXAMPLES_FLOWC is not set
 # CONFIG_EXAMPLES_FSTEST is not set
 # CONFIG_EXAMPLES_FTPC is not set
 # CONFIG_EXAMPLES_FTPD is not set