diff --git a/arch/arm64/boot/dts/marvell/armada-3720-db.dts b/arch/arm64/boot/dts/marvell/armada-3720-db.dts
index d6f12fafac6c..3ee920ac0015 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-db.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-db.dts
@@ -42,6 +42,10 @@
  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  *     OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * This file is compatible with the version 1.4 and the version 2.0 of
+ * the board, however the CON numbers are different between the 2
+ * version
  */
 
 /dts-v1/;
@@ -78,6 +82,7 @@
 	};
 };
 
+/* Gigabit module on CON19(V2.0)/CON21(V1.4) */
 &eth0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&rgmii_pins>;
@@ -86,6 +91,7 @@
 	status = "okay";
 };
 
+/* Gigabit module on CON18(V2.0)/CON20(V1.4) */
 &eth1 {
 	phy-mode = "sgmii";
 	phy = <&phy1>;
@@ -133,7 +139,7 @@
 	};
 };
 
-/* CON17 (PCIe) / CON12 (mini-PCIe) */
+/* CON15(V2.0)/CON17(V1.4) : PCIe / CON15(V2.0)/CON12(V1.4) :mini-PCIe */
 &pcie0 {
 	status = "okay";
 };
@@ -184,19 +190,22 @@
 	};
 };
 
-/* Exported on the micro USB connector CON32 through an FTDI */
+/*
+ * Exported on the micro USB connector CON30(V2.0)/CON32(V1.4) through
+ * an FTDI
+ */
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart1_pins>;
 	status = "okay";
 };
 
-/* CON27 */
+/* CON27(V2.0)/CON29(V1.4) */
 &usb2 {
 	status = "okay";
 };
 
-/* CON31 */
+/* CON29(V2.0)/CON31(V1.4) */
 &usb3 {
 	status = "okay";
 	usb-phy = <&usb3_phy>;