On 5/21/2020 10:48 AM, Dan Murphy wrote: > 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> > --- > .../bindings/net/ethernet-controller.yaml | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml b/Documentation/devicetree/bindings/net/ethernet-controller.yaml > index ac471b60ed6a..3f25066c339c 100644 > --- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml > +++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml > @@ -143,6 +143,20 @@ properties: > Specifies the PHY management type. If auto is set and fixed-link > is not specified, it uses MDIO for management. > > + rx-internal-delay: Please name this 'rx-internal-delay-ps' > + $ref: /schemas/types.yaml#definitions/uint32 > + description: | > + RGMII Receive PHY Clock Delay defined in pico seconds. This is used for > + PHY's that have configurable RX internal delays. This property is only > + used when the phy-mode or phy-connection-type is rgmii-id or rgmii-rxid. > + > + tx-internal-delay: Likewise > + $ref: /schemas/types.yaml#definitions/uint32 > + description: | > + RGMII Transmit PHY Clock Delay defined in pico seconds. This is used for > + PHY's that have configurable TX internal delays. This property is only > + used when the phy-mode or phy-connection-type is rgmii-id or rgmii-txid. > + > fixed-link: > allOf: > - if: > -- Florian
