tx-internal-delays and rx-internal-delays are a common setting for RGMII capable devices. These properties are used when the phy-mode or phy-controller is set to rgmii-id, rgmii-rxid or rgmii-txid. These modes indicate to the controller that the PHY will add the internal delay for the connection. Signed-off-by: Dan Murphy <dmurphy@xxxxxx> --- .../devicetree/bindings/net/ethernet-phy.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml index 9b1f1147ca36..a9e547ac7905 100644 --- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml +++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml @@ -162,6 +162,18 @@ properties: description: Specifies a reference to a node representing a SFP cage. + rx-internal-delay-ps: + description: | + RGMII Receive PHY Clock Delay defined in pico seconds. This is used for + PHY's that have configurable RX internal delays. If this property is + present then the PHY applies the RX delay. + + tx-internal-delay-ps: + description: | + RGMII Transmit PHY Clock Delay defined in pico seconds. This is used for + PHY's that have configurable TX internal delays. If this property is + present then the PHY applies the TX delay. + required: - reg -- 2.26.2