> -----Original Message----- > From: Andrew Lunn <andrew@xxxxxxx> > Sent: 06 June 2024 18:56 > To: Swathi K S <swathi.ks@xxxxxxxxxxx> > Cc: davem@xxxxxxxxxxxxx; edumazet@xxxxxxxxxx; kuba@xxxxxxxxxx; > pabeni@xxxxxxxxxx; robh+dt@xxxxxxxxxx; krzysztof.kozlowski+dt@xxxxxxxxxx; > conor+dt@xxxxxxxxxx; richardcochran@xxxxxxxxx; > alexandre.torgue@xxxxxxxxxxx; joabreu@xxxxxxxxxxxx; > mcoquelin.stm32@xxxxxxxxx; alim.akhtar@xxxxxxxxxxx; linux- > fsd@xxxxxxxxx; pankaj.dubey@xxxxxxxxxxx; ravi.patel@xxxxxxxxxxx; > netdev@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; linux-samsung-soc@xxxxxxxxxxxxxxx; linux-arm- > kernel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH v3 1/4] dt-bindings: net: Add FSD EQoS device tree bindings > > > > > + fsd-rx-clock-skew: > > > > + $ref: /schemas/types.yaml#/definitions/phandle-array > > > > + items: > > > > + - items: > > > > + - description: phandle to the syscon node > > > > + - description: offset of the control register > > > > + description: > > > > + Should be phandle/offset pair. The phandle to the syscon node. > > > > > > What clock are you skew-ing here? And why? > > > > As per customer's requirement, we need 2ns delay in fsys block both in > > TX and RX path. > > Lots of people get RGMII delays wrong. Please look back at the mailing list > where there is plenty of discussion about this. I don't want to have to repeat > myself yet again... Sorry for the delay. We took time to confirm with the board designer regarding this delay. This is not a mandatory one to have and hence we are dropping clock-skewing here. > > Andrew Thanks, Swathi