Merge branches 'topic/sc18is602' and 'topic/rspi' of git://git.kernel.org/pub/scm...

[linux-block.git] / Documentation / devicetree / bindings / net / smsc-lan91c111.txt

diff --git a/Documentation/devicetree/bindings/net/smsc-lan91c111.txt b/Documentation/devicetree/bindings/net/smsc-lan91c111.txt
index 953049b4248a71f4c242d56432730e5ae4c7fbc3..5a41a8658daa12087678a7d81f5f60038cbeddf8 100644 (file)
--- a/Documentation/devicetree/bindings/net/smsc-lan91c111.txt
+++ b/Documentation/devicetree/bindings/net/smsc-lan91c111.txt
@@ -8,3 +8,7 @@ Required properties:
 Optional properties:
 - phy-device : phandle to Ethernet phy
 - local-mac-address : Ethernet mac address to use
+- 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.