diff --git a/Documentation/devicetree/bindings/net/davinci_emac.txt b/Documentation/devicetree/bindings/net/davinci_emac.txt
index ca0911a20e8b21595c23d3eae2e8e4869dec65cc..49103e457d9d048c1a6c9c4460d67ae38de6723c 100644
--- a/Documentation/devicetree/bindings/net/davinci_emac.txt
+++ b/Documentation/devicetree/bindings/net/davinci_emac.txt
@@ -10,7 +10,6 @@ Required properties:
 - ti,davinci-ctrl-mod-reg-offset: offset to control module register
 - ti,davinci-ctrl-ram-offset: offset to control module ram
 - ti,davinci-ctrl-ram-size: size of control module ram
-- ti,davinci-rmii-en: use RMII
 - ti,davinci-no-bd-ram: has the emac controller BD RAM
 - interrupts: interrupt mapping for the davinci emac interrupts sources:
               4 sources: <Receive Threshold Interrupt
@@ -22,6 +21,7 @@ Optional properties:
 - phy-handle: Contains a phandle to an Ethernet PHY.
               If absent, davinci_emac driver defaults to 100/FULL.
 - local-mac-address : 6 bytes, mac address
+- ti,davinci-rmii-en: 1 byte, 1 means use RMII
 
 Example (enbw_cmc board):
 	eth0: emac@1e20000 {