[PATCH] arm64: dts: ti: k3-am62d2-evm: Fix missing RX delay for DP83867 PHY

Siddharth Vadapalli s-vadapalli at ti.com
Tue Jan 20 21:50:10 PST 2026


On Tue, 2026-01-20 at 18:42 +0530, Siddharth Vadapalli wrote:
> On Tue, 2026-01-20 at 18:33 +0530, Hari Prasath wrote:
> > On 20/01/26 11:43 am, Siddharth Vadapalli wrote:
> > > MAC Ports 1 and 2 of the CPSW3G Ethernet Switch in the AM62D2 SoC are 
> > > both connected to different instances of the DP83867 Ethernet PHY on the 
> > > AM62D2 EVM, with the 'phy-mode' set to 'rgmii-id'. The DP83867 Ethernet 
> > > PHY has to add a 2 nanosecond
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> > > MAC Ports 1 and 2 of the CPSW3G Ethernet Switch in the AM62D2 SoC are both
> > > connected to different instances of the DP83867 Ethernet PHY on the AM62D2
> > > EVM, with the 'phy-mode' set to 'rgmii-id'. The DP83867 Ethernet PHY has to
> > > add a 2 nanosecond delay on receive (from wire) based on the EVM design.
> > > 
> > > Since the device driver for the DP83867 Ethernet PHY coincidentally assumes
> > > that the a 2 nanosecond receive delay has to be added in the absence of the
> > 
> > 'the' can be removed here.Verified this claim on default value in the 
> > driver without this DT property.
> 
> Thank you for pointing this out. While rephrasing the sentence, I forgot to
> remove 'the'.
> 
> > 
> > Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath at ti.com>
> 
> Thank you for reviewing the patch. I will fix the commit message and
> include your tag in the v2 patch.

I have posted the v2 patch at:
https://lore.kernel.org/r/20260121054552.1650926-1-s-vadapalli@ti.com

Regards,
Siddharth.



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