Commit a4ebb299 authored by Robert Hancock's avatar Robert Hancock Committed by David S. Miller

net: axienet: document device tree mdio child node

The mdio child node for the MDIO bus is generally required when using
this driver but was not documented other than being shown in the
example. Document it as an optional (but usually required) parameter.
Signed-off-by: default avatarRobert Hancock <hancock@sedsystems.ca>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 70c50265
...@@ -37,6 +37,9 @@ Optional properties: ...@@ -37,6 +37,9 @@ Optional properties:
auto-detected from the CPU clock (but only on platforms where auto-detected from the CPU clock (but only on platforms where
this is possible). New device trees should specify this - the this is possible). New device trees should specify this - the
auto detection is only for backward compatibility. auto detection is only for backward compatibility.
- mdio : Child node for MDIO bus. Must be defined if PHY access is
required through the core's MDIO interface (i.e. always,
unless the PHY is accessed through a different bus).
Example: Example:
axi_ethernet_eth: ethernet@40c00000 { axi_ethernet_eth: ethernet@40c00000 {
......
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