diff --git a/boards/arm/imxrt/teensy-4.x/configs/can-4.1/defconfig b/boards/arm/imxrt/teensy-4.x/configs/can-4.1/defconfig
index 10c100bb56..664e35e125 100644
--- a/boards/arm/imxrt/teensy-4.x/configs/can-4.1/defconfig
+++ b/boards/arm/imxrt/teensy-4.x/configs/can-4.1/defconfig
@@ -24,12 +24,14 @@ CONFIG_BUILTIN=y
 CONFIG_CAN=y
 CONFIG_CANUTILS_CANDUMP=y
 CONFIG_CANUTILS_CANSEND=y
+CONFIG_CDCACM=y
+CONFIG_CDCACM_CONSOLE=y
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_IMXRT_FLEXCAN3=y
 CONFIG_IMXRT_LPUART1=y
+CONFIG_IMXRT_USBDEV=y
 CONFIG_INTELHEX_BINARY=y
-CONFIG_LPUART1_SERIAL_CONSOLE=y
 CONFIG_MAX_TASKS=16
 CONFIG_NET=y
 CONFIG_NETDEVICES=y
@@ -47,6 +49,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_LINELEN=64
 CONFIG_NSH_READLINE=y
+CONFIG_NSH_USBCONSOLE=y
 CONFIG_RAM_SIZE=1048576
 CONFIG_RAM_START=0x20200000
 CONFIG_SCHED_HPWORK=y
@@ -55,4 +58,5 @@ CONFIG_START_DAY=14
 CONFIG_START_MONTH=3
 CONFIG_SYSTEM_NSH=y
 CONFIG_TEENSY_41=y
+CONFIG_USBDEV=y
 CONFIG_USER_ENTRYPOINT="nsh_main"
diff --git a/boards/arm/imxrt/teensy-4.x/configs/netnsh-4.1/defconfig b/boards/arm/imxrt/teensy-4.x/configs/netnsh-4.1/defconfig
index 15099ff188..5adbaff768 100644
--- a/boards/arm/imxrt/teensy-4.x/configs/netnsh-4.1/defconfig
+++ b/boards/arm/imxrt/teensy-4.x/configs/netnsh-4.1/defconfig
@@ -19,14 +19,16 @@ CONFIG_ARMV7M_ICACHE=y
 CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_BOARD_LOOPSPERMSEC=104926
 CONFIG_BUILTIN=y
+CONFIG_CDCACM=y
+CONFIG_CDCACM_CONSOLE=y
 CONFIG_ETH0_PHY_DP83825I=y
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_IMXRT_ENET=y
 CONFIG_IMXRT_LPUART1=y
+CONFIG_IMXRT_USBDEV=y
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LIB_HOSTNAME="Teensy 4.x"
-CONFIG_LPUART1_SERIAL_CONSOLE=y
 CONFIG_MAX_TASKS=16
 CONFIG_NET=y
 CONFIG_NETDB_DNSCLIENT=y
@@ -55,6 +57,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_LINELEN=64
 CONFIG_NSH_READLINE=y
+CONFIG_NSH_USBCONSOLE=y
 CONFIG_RAM_SIZE=1048576
 CONFIG_RAM_START=0x20200000
 CONFIG_READLINE_CMD_HISTORY=y
@@ -66,4 +69,5 @@ CONFIG_SYSTEM_NSH=y
 CONFIG_SYSTEM_PING6=y
 CONFIG_SYSTEM_PING=y
 CONFIG_TEENSY_41=y
+CONFIG_USBDEV=y
 CONFIG_USER_ENTRYPOINT="nsh_main"
diff --git a/boards/arm/imxrt/teensy-4.x/configs/nsh-4.0/defconfig b/boards/arm/imxrt/teensy-4.x/configs/nsh-4.0/defconfig
index 3cbfca3a7a..2d0060e7c9 100644
--- a/boards/arm/imxrt/teensy-4.x/configs/nsh-4.0/defconfig
+++ b/boards/arm/imxrt/teensy-4.x/configs/nsh-4.0/defconfig
@@ -18,11 +18,13 @@ CONFIG_ARMV7M_ICACHE=y
 CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_BOARD_LOOPSPERMSEC=104926
 CONFIG_BUILTIN=y
+CONFIG_CDCACM=y
+CONFIG_CDCACM_CONSOLE=y
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_IMXRT_LPUART6=y
+CONFIG_IMXRT_USBDEV=y
 CONFIG_INTELHEX_BINARY=y
-CONFIG_LPUART6_SERIAL_CONSOLE=y
 CONFIG_MAX_TASKS=16
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
@@ -31,9 +33,11 @@ CONFIG_NSH_DISABLE_IFUPDOWN=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_LINELEN=64
 CONFIG_NSH_READLINE=y
+CONFIG_NSH_USBCONSOLE=y
 CONFIG_RAM_SIZE=1048576
 CONFIG_RAM_START=0x20200000
 CONFIG_START_DAY=14
 CONFIG_START_MONTH=3
 CONFIG_SYSTEM_NSH=y
+CONFIG_USBDEV=y
 CONFIG_USER_ENTRYPOINT="nsh_main"
diff --git a/boards/arm/imxrt/teensy-4.x/configs/nsh-4.1/defconfig b/boards/arm/imxrt/teensy-4.x/configs/nsh-4.1/defconfig
index e8382126e1..0159f1543d 100644
--- a/boards/arm/imxrt/teensy-4.x/configs/nsh-4.1/defconfig
+++ b/boards/arm/imxrt/teensy-4.x/configs/nsh-4.1/defconfig
@@ -18,11 +18,13 @@ CONFIG_ARMV7M_ICACHE=y
 CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_BOARD_LOOPSPERMSEC=104926
 CONFIG_BUILTIN=y
+CONFIG_CDCACM=y
+CONFIG_CDCACM_CONSOLE=y
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_IMXRT_LPUART1=y
+CONFIG_IMXRT_USBDEV=y
 CONFIG_INTELHEX_BINARY=y
-CONFIG_LPUART1_SERIAL_CONSOLE=y
 CONFIG_MAX_TASKS=16
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NSH_ARCHINIT=y
@@ -31,10 +33,12 @@ CONFIG_NSH_DISABLE_IFUPDOWN=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_LINELEN=64
 CONFIG_NSH_READLINE=y
+CONFIG_NSH_USBCONSOLE=y
 CONFIG_RAM_SIZE=1048576
 CONFIG_RAM_START=0x20200000
 CONFIG_START_DAY=14
 CONFIG_START_MONTH=3
 CONFIG_SYSTEM_NSH=y
 CONFIG_TEENSY_41=y
+CONFIG_USBDEV=y
 CONFIG_USER_ENTRYPOINT="nsh_main"
diff --git a/boards/arm/imxrt/teensy-4.x/configs/sd-4.1/defconfig b/boards/arm/imxrt/teensy-4.x/configs/sd-4.1/defconfig
index 955c6e30ca..6666da973e 100644
--- a/boards/arm/imxrt/teensy-4.x/configs/sd-4.1/defconfig
+++ b/boards/arm/imxrt/teensy-4.x/configs/sd-4.1/defconfig
@@ -20,17 +20,19 @@ CONFIG_ARMV7M_ICACHE=y
 CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_BOARD_LOOPSPERMSEC=104926
 CONFIG_BUILTIN=y
+CONFIG_CDCACM=y
+CONFIG_CDCACM_CONSOLE=y
 CONFIG_FAT_LCNAMES=y
 CONFIG_FAT_LFN=y
 CONFIG_FS_FAT=y
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_IMXRT_LPUART1=y
+CONFIG_IMXRT_USBDEV=y
 CONFIG_IMXRT_USDHC1=y
 CONFIG_IMXRT_USDHC1_INVERT_CD=y
 CONFIG_IMXRT_USDHC1_WIDTH_D1_D4=y
 CONFIG_INTELHEX_BINARY=y
-CONFIG_LPUART1_SERIAL_CONSOLE=y
 CONFIG_MAX_TASKS=16
 CONFIG_MMCSD=y
 CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
@@ -42,6 +44,7 @@ CONFIG_NSH_DISABLE_IFUPDOWN=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_LINELEN=64
 CONFIG_NSH_READLINE=y
+CONFIG_NSH_USBCONSOLE=y
 CONFIG_RAM_SIZE=1048576
 CONFIG_RAM_START=0x20200000
 CONFIG_SCHED_HPWORK=y
@@ -53,4 +56,5 @@ CONFIG_START_DAY=14
 CONFIG_START_MONTH=3
 CONFIG_SYSTEM_NSH=y
 CONFIG_TEENSY_41=y
+CONFIG_USBDEV=y
 CONFIG_USER_ENTRYPOINT="nsh_main"
diff --git a/boards/arm/imxrt/teensy-4.x/src/imxrt_bringup.c b/boards/arm/imxrt/teensy-4.x/src/imxrt_bringup.c
index 6cbaa05053..5819e628bb 100644
--- a/boards/arm/imxrt/teensy-4.x/src/imxrt_bringup.c
+++ b/boards/arm/imxrt/teensy-4.x/src/imxrt_bringup.c
@@ -134,6 +134,12 @@ int imxrt_bringup(void)
     }
 #endif
 
+#if !defined(CONFIG_BOARDCTL_USBDEVCTRL) && !defined(CONFIG_USBDEV_COMPOSITE)
+# ifdef CONFIG_CDCACM
+    cdcacm_initialize(0, NULL);
+# endif
+#endif
+
 #if defined(CONFIG_I2C_DRIVER)
   imxrt_i2c_setup();
 #endif