diff options
Diffstat (limited to 'Documentation/devicetree/bindings/net/micrel.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/micrel.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/micrel.txt b/Documentation/devicetree/bindings/net/micrel.txt index 87496a8c64ab..8d157f0295a5 100644 --- a/Documentation/devicetree/bindings/net/micrel.txt +++ b/Documentation/devicetree/bindings/net/micrel.txt @@ -35,3 +35,13 @@ Optional properties: supported clocks: - KSZ8021, KSZ8031, KSZ8081, KSZ8091: "rmii-ref": The RMII reference input clock. Used to determine the XI input clock. + + - micrel,fiber-mode: If present the PHY is configured to operate in fiber mode + + Some PHYs, such as the KSZ8041FTL variant, support fiber mode, enabled + by the FXEN boot strapping pin. It can't be determined from the PHY + registers whether the PHY is in fiber mode, so this boolean device tree + property can be used to describe it. + + In fiber mode, auto-negotiation is disabled and the PHY can only work in + 100base-fx (full and half duplex) modes. |