--- zzzz-none-000/linux-3.10.107/Documentation/devicetree/bindings/net/smsc-lan91c111.txt	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/Documentation/devicetree/bindings/net/smsc-lan91c111.txt	2021-02-04 17:41:59.000000000 +0000
@@ -6,5 +6,10 @@
 - interrupts : interrupt connection
 
 Optional properties:
-- phy-device : phandle to Ethernet phy
-- local-mac-address : Ethernet mac address to use
+- phy-device : see ethernet.txt file in the same directory
+- reg-io-width : Mask of sizes (in bytes) of the IO accesses that
+  are supported on the device.  Valid value for SMSC LAN91c111 are
+  1, 2 or 4.  If it's omitted or invalid, the size would be 2 meaning
+  16-bit access only.
+- power-gpios: GPIO to control the PWRDWN pin
+- reset-gpios: GPIO to control the RESET pin