Re: [PATCH 10/10] arm64: dts: uniphier: Stabilize Ethernet RGMII mode of LD20 global and PXs3 ref board

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On Mon, 16 Mar 2020 21:55:09 +0900 <masahiroy@xxxxxxxxxx> wrote:

> On Fri, Mar 13, 2020 at 9:58 AM Kunihiko Hayashi
> <hayashi.kunihiko@xxxxxxxxxxxxx> wrote:
> >
> > The RGMII PHY needs to change drive-strength properties of the Ethernet
> > Tx pins to stabilize the PHY.
> >
> > The devicetree for LD20 global board specifies RMII PHY in the ethernet
> > node as default, however, there is also another board that has RGMII PHY.
> > The devicetree for the board doesn't exist, so the users should change
> > the ethernet properties by outside way.
> 
> Probably, users should change pinctrl_ether_rgmii
> by the same means.

I think that it's reasonable to have a devicetree for another board with
RGMII PHY.

> The change to uniphier-pxs3-ref.dts looks OK to me.

I'll split this patch for uniphier-pxs3-ref.dts.

Thank you,

---
Best Regards,
Kunihiko Hayashi




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