diff --git a/configs/mikroe-stm32f4/src/mikroe-stm32f4-internal.h b/configs/mikroe-stm32f4/src/mikroe-stm32f4-internal.h
index 0f6894316e8..c27306048ad 100644
--- a/configs/mikroe-stm32f4/src/mikroe-stm32f4-internal.h
+++ b/configs/mikroe-stm32f4/src/mikroe-stm32f4-internal.h
@@ -190,7 +190,6 @@
                          GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN7)
 #define GPIO_VS1053_DREQ (GPIO_INPUT|GPIO_SPEED_50MHz|GPIO_PORTC|GPIO_PIN6)
 
-
 /****************************************************************************************************
  * Public Types
  ****************************************************************************************************/
diff --git a/configs/sam3u-ek/README.txt b/configs/sam3u-ek/README.txt
index 4f176929bdb..628a645f2fc 100644
--- a/configs/sam3u-ek/README.txt
+++ b/configs/sam3u-ek/README.txt
@@ -313,15 +313,28 @@ SAM3U-EK-specific Configuration Options
 
   Individual subsystems can be enabled:
 
-    CONFIG_SAM34_DMA
-    CONFIG_SAM34_HSMCI
-    CONFIG_SAM34_NAND
-    CONFIG_SAM34_SPI
-    CONFIG_SAM34_UART0
-    CONFIG_SAM34_USART0
-    CONFIG_SAM34_USART1
-    CONFIG_SAM34_USART2
-    CONFIG_SAM34_USART3
+    CONFIG_SAM34_RTC           - Real Time Clock
+    CONFIG_SAM34_RTT           - Real Time Timer
+    CONFIG_SAM34_WDT           - Watchdog Timer
+    CONFIG_SAM34_UART0         - UART 0
+    CONFIG_SAM34_SMC           - Static Memory Controller
+    CONFIG_SAM34_USART0        - USART 0
+    CONFIG_SAM34_USART1        - USART 1
+    CONFIG_SAM34_USART2        - USART 2
+    CONFIG_SAM34_USART3        - USART 3
+    CONFIG_SAM34_HSMCI         - High Speed Multimedia Card Interface
+    CONFIG_SAM34_TWI0          - Two-Wire Interface 0
+    CONFIG_SAM34_TWI1          - Two-Wire Interface 1
+    CONFIG_SAM34_SPI           - Serial Peripheral Interface
+    CONFIG_SAM34_SSC           - Synchronous Serial Controller
+    CONFIG_SAM34_TC0           - Timer Counter 0
+    CONFIG_SAM34_TC1           - Timer Counter 1
+    CONFIG_SAM34_TC2           - Timer Counter 2
+    CONFIG_SAM34_PWM           - Pulse Width Modulation Controller
+    CONFIG_SAM34_ADC12B        - 12-bit ADC Controller
+    CONFIG_SAM34_ADC           - 10-bit ADC Controller
+    CONFIG_SAM34_DMA           - DMA Controller
+    CONFIG_SAM34_UDPHS         - USB Device High Speed
 
   Some subsystems can be configured to operate in different ways. The drivers
   need to know how to configure the subsystem.
@@ -333,6 +346,7 @@ SAM3U-EK-specific Configuration Options
     CONFIG_USART1_ISUART
     CONFIG_USART2_ISUART
     CONFIG_USART3_ISUART
+    CONFIG_SAM34_NAND          - NAND memory
 
   AT91SAM3U specific device driver settings
 
diff --git a/configs/sam4l-xplained/README.txt b/configs/sam4l-xplained/README.txt
index dd867834dc5..7f79976490a 100644
--- a/configs/sam4l-xplained/README.txt
+++ b/configs/sam4l-xplained/README.txt
@@ -371,9 +371,9 @@ SAM4L Xplained Pro-specific Configuration Options
     CONFIG_SAM34_USART1
     CONFIG_SAM34_USART2
     CONFIG_SAM34_USART3
-    CONFIG_SAM34_ADCIFE
+    CONFIG_SAM34_ADC12B
     CONFIG_SAM34_DACC
-    CONFIG_SAM34_ACIFC
+    CONFIG_SAM34_ACC
     CONFIG_SAM34_GLOC
     CONFIG_SAM34_ABDACB
     CONFIG_SAM34_TRNG
diff --git a/configs/sam4s-xplained/README.txt b/configs/sam4s-xplained/README.txt
index 7478c64b84b..f584cda62bf 100644
--- a/configs/sam4s-xplained/README.txt
+++ b/configs/sam4s-xplained/README.txt
@@ -401,6 +401,30 @@ SAM4S Xplained-specific Configuration Options
 
   Individual subsystems can be enabled:
 
+    CONFIG_SAM34_RTC         - Real Time Clock
+    CONFIG_SAM34_RTT         - Real Time Timer
+    CONFIG_SAM34_WDT         - Watchdog Timer
+    CONFIG_SAM34_UART0       - UART 0
+    CONFIG_SAM34_UART1       - UART 1
+    CONFIG_SAM34_SMC         - Static Memory Controller
+    CONFIG_SAM34_USART0      - USART 0
+    CONFIG_SAM34_USART1      - USART 1
+    CONFIG_SAM34_HSMCI       - High Speed Multimedia Card Interface
+    CONFIG_SAM34_TWI0        - Two-Wire Interface 0
+    CONFIG_SAM34_TWI1        - Two-Wire Interface 1
+    CONFIG_SAM34_SSC         - Synchronous Serial Controller
+    CONFIG_SAM34_TC0         - Timer Counter 0
+    CONFIG_SAM34_TC1         - Timer Counter 1
+    CONFIG_SAM34_TC2         - Timer Counter 2
+    CONFIG_SAM34_TC3         - Timer Counter 3
+    CONFIG_SAM34_TC4         - Timer Counter 4
+    CONFIG_SAM34_TC5         - Timer Counter 5
+    CONFIG_SAM34_ADC12B      - 12-bit Analog To Digital Converter
+    CONFIG_SAM34_DACC        - Digital To Analog Converter
+    CONFIG_SAM34_PWM         - Pulse Width Modulation
+    CONFIG_SAM34_CRCCU       - CRC Calculation Unit
+    CONFIG_SAM34_ACC         - Analog Comparator
+    CONFIG_SAM34_UDP         - USB Device Port
 
   Some subsystems can be configured to operate in different ways. The drivers
   need to know how to configure the subsystem.