diff --git a/configs/stm3210e-eval/README.txt b/configs/stm3210e-eval/README.txt
index de6e066a394..0cf7f5cbd4d 100755
--- a/configs/stm3210e-eval/README.txt
+++ b/configs/stm3210e-eval/README.txt
@@ -656,6 +656,8 @@ Where <subdir> is one of the following:
     Serial      Debug output: USART1    Debug output: USART1
     Console:    NSH output:   USART1    NSH output:   USART1 (3)
     ----------- ----------------------- --------------------------------
+    I2C         No                      I2C1
+    ----------- ----------------------- --------------------------------
     microSD     Yes                     Yes
     Support
     ----------- ----------------------- --------------------------------
@@ -669,6 +671,7 @@ Where <subdir> is one of the following:
     Built-in    None                    apps/examples/nx
     Apps                                apps/examples/nxhello
                                         apps/examples/usbstorage (5)
+                                        apps/system/i2c
     =========== ======================= ================================
 
     (1) You will probably need to modify nsh/setenv.sh or nsh2/setenv.sh
diff --git a/configs/stm3210e-eval/nsh2/appconfig b/configs/stm3210e-eval/nsh2/appconfig
index ff12c4103b8..ba078d58a2a 100644
--- a/configs/stm3210e-eval/nsh2/appconfig
+++ b/configs/stm3210e-eval/nsh2/appconfig
@@ -48,6 +48,10 @@ CONFIGURED_APPS += examples/nx
 CONFIGURED_APPS += examples/nxhello
 CONFIGURED_APPS += examples/usbstorage
 
+ifeq ($(CONFIG_I2C),y)
+CONFIGURED_APPS += system/i2c
+endif
+
 # Applications configured as an NX built-in commands
 
 ifeq ($(CONFIG_CAN),y)
diff --git a/configs/stm3210e-eval/nsh2/defconfig b/configs/stm3210e-eval/nsh2/defconfig
index 9967cdbf706..5174d51015c 100644
--- a/configs/stm3210e-eval/nsh2/defconfig
+++ b/configs/stm3210e-eval/nsh2/defconfig
@@ -287,6 +287,14 @@ CONFIG_CAN1_BAUD=250000
 CONFIG_CAN_TSEG1=12
 CONFIG_CAN_TSEG2=3
 
+#
+# I2C configuration
+#
+CONFIG_I2C=y
+CONFIG_I2C_POLLED=y
+CONFIG_I2C_TRANSFER=y
+CONFIG_I2C_TRACE=n
+
 #
 # General build options
 #
@@ -410,6 +418,7 @@ CONFIG_DEBUG_VERBOSE=n
 CONFIG_DEBUG_GRAPHICS=n
 CONFIG_DEBUG_LCD=n
 CONFIG_DEBUG_USB=n
+CONFIG_DEBUG_I2C=n
 CONFIG_DEBUG_SYMBOLS=n
 CONFIG_DEBUG_CAN=n
 CONFIG_HAVE_CXX=n
@@ -1156,6 +1165,26 @@ CONFIG_NSH_MMCSDSPIPORTNO=0
 CONFIG_NSH_MMCSDSLOTNO=0
 CONFIG_NSH_MMCSDMINOR=0
 
+
+#
+# I2C tool settings
+#
+# CONFIG_I2CTOOL_BUILTIN - Build the tools as an NSH built-in command
+# CONFIG_I2CTOOL_MINBUS - Smallest bus index supported by the hardware (default 0).
+# CONFIG_I2CTOOL_MAXBUS - Largest bus index supported by the hardware (default 3)
+# CONFIG_I2CTOOL_MINADDR - Minium device address (default: 0x03)
+# CONFIG_I2CTOOL_MAXADDR - Largest device address (default: 0x77)
+# CONFIG_I2CTOOL_MAXREGADDR - Largest register address (default: 0xff)
+# CONFIG_I2CTOOL_DEFFREQ - Default frequency (default: 1000000)
+#
+CONFIG_I2CTOOL_BUILTIN=y
+CONFIG_I2CTOOL_MINBUS=1
+CONFIG_I2CTOOL_MAXBUS=2
+#CONFIG_I2CTOOL_MINADDR
+#CONFIG_I2CTOOL_MAXADDR
+#CONFIG_I2CTOOL_MAXREGADDR
+CONFIG_I2CTOOL_DEFFREQ=100000
+
 #
 # Settings for examples/usbserial
 #