diff --git a/boards/arm/stm32/nucleo-f446re/configs/adc/defconfig b/boards/arm/stm32/nucleo-f446re/configs/adc/defconfig
new file mode 100644
index 00000000000..70dc8c67251
--- /dev/null
+++ b/boards/arm/stm32/nucleo-f446re/configs/adc/defconfig
@@ -0,0 +1,61 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_ARCH_FPU is not set
+# CONFIG_NSH_ARGCAT is not set
+# CONFIG_NSH_CMDOPT_HEXDUMP is not set
+# CONFIG_NSH_CMDPARMS is not set
+# CONFIG_NSH_DISABLE_IFCONFIG is not set
+# CONFIG_NSH_DISABLE_PS is not set
+# CONFIG_STM32_ADC1_SCAN is not set
+# CONFIG_STM32_FLASH_PREFETCH is not set
+CONFIG_ADC=y
+CONFIG_ANALOG=y
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-f446re"
+CONFIG_ARCH_BOARD_NUCLEO_F446RE=y
+CONFIG_ARCH_BUTTONS=y
+CONFIG_ARCH_CHIP="stm32"
+CONFIG_ARCH_CHIP_STM32=y
+CONFIG_ARCH_CHIP_STM32F446R=y
+CONFIG_ARCH_INTERRUPTSTACK=2048
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_BOARD_LOOPSPERMSEC=8499
+CONFIG_BUILTIN=y
+CONFIG_EXAMPLES_ADC=y
+CONFIG_EXAMPLES_ADC_GROUPSIZE=2
+CONFIG_EXAMPLES_ADC_SWTRIG=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_INTELHEX_BINARY=y
+CONFIG_MAX_TASKS=16
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=131072
+CONFIG_RAM_START=0x20000000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_START_DAY=14
+CONFIG_START_MONTH=10
+CONFIG_START_YEAR=2014
+CONFIG_STM32_ADC1=y
+CONFIG_STM32_ADC1_DMA=y
+CONFIG_STM32_DMA2=y
+CONFIG_STM32_JTAG_SW_ENABLE=y
+CONFIG_STM32_TIM1=y
+CONFIG_STM32_TIM1_ADC=y
+CONFIG_STM32_USART2=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_USART2_SERIAL_CONSOLE=y
+CONFIG_USER_ENTRYPOINT="nsh_main"
diff --git a/boards/arm/stm32/nucleo-f446re/src/stm32_adc.c b/boards/arm/stm32/nucleo-f446re/src/stm32_adc.c
index f5640876f89..a149eeded19 100644
--- a/boards/arm/stm32/nucleo-f446re/src/stm32_adc.c
+++ b/boards/arm/stm32/nucleo-f446re/src/stm32_adc.c
@@ -45,7 +45,7 @@
 
 /* The number of ADC channels in the conversion list */
 
-#ifdef CONFIG_ADC_DMA
+#ifdef CONFIG_STM32_ADC1_DMA
 #  define ADC1_NCHANNELS 2
 #else
 #  define ADC1_NCHANNELS 1
@@ -57,8 +57,7 @@
 
 /* Identifying number of each ADC channel. */
 
-#ifdef CONFIG_INPUT_AJOYSTICK
-#ifdef CONFIG_ADC_DMA
+#ifdef CONFIG_STM32_ADC1_DMA
 /* The Itead analog joystick gets inputs on ADC_IN0 and ADC_IN1 */
 
 static const uint8_t  g_adc1_chanlist[ADC1_NCHANNELS] =
@@ -91,8 +90,7 @@ static const uint32_t g_adc1_pinlist[ADC1_NCHANNELS] =
   GPIO_ADC1_IN0
 };
 
-#endif /* CONFIG_ADC_DMA */
-#endif /* CONFIG_INPUT_AJOYSTICK */
+#endif /* CONFIG_STM32_ADC1_DMA */
 
 /****************************************************************************
  * Public Functions