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| -rw-r--r-- | Documentation/devicetree/bindings/net/ti,dp83867.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt index 9ef9338aaee1..99b8681bde49 100644 --- a/Documentation/devicetree/bindings/net/ti,dp83867.txt +++ b/Documentation/devicetree/bindings/net/ti,dp83867.txt @@ -11,6 +11,14 @@ Required properties: - ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h for applicable values +Note: If the interface type is PHY_INTERFACE_MODE_RGMII the TX/RX clock delays + will be left at their default values, as set by the PHY's pin strapping. + The default strapping will use a delay of 2.00 ns. Thus + PHY_INTERFACE_MODE_RGMII, by default, does not behave as RGMII with no + internal delay, but as PHY_INTERFACE_MODE_RGMII_ID. The device tree + should use "rgmii-id" if internal delays are desired as this may be + changed in future to cause "rgmii" mode to disable delays. + Optional property: - ti,min-output-impedance - MAC Interface Impedance control to set the programmable output impedance to |