RE: [PATCH 1/3] arm64: dts: renesas: r9a08g046: Add USB2.0 placeholder nodes

[Biju Das]

Hi Geert,

Thanks for the feedback.

> -----Original Message-----
> From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Sent: 24 August 2026 15:36
> Subject: Re: [PATCH 1/3] arm64: dts: renesas: r9a08g046: Add USB2.0 placeholder nodes
> 
> Hi Tommaso,
> 
> On Tue, 18 Aug 2026 at 16:29, Tommaso Merciai <tommaso.merciai.xr@xxxxxxxxxxxxxx> wrote:
> > The USB2.0 wiring on the RZ SMARC Carrier-II board is the same for the
> > RZ/G3E and RZ/G3L SoMs, so the nodes belong in the shared
> > renesas-smarc2.dtsi. Enabling them there breaks the RZ/G3L SMARC EVK
> > build, as the r9a08g046 (RZ/G3L) SoC DTSI describes neither the USB2.0
> > host (OHCI/EHCI) nor function (HSUSB) instances:
> >
> > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:94.1-7 Label or
> > path ehci0 not found
> > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:99.1-7 Label or
> > path ehci1 not found
> > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:104.1-8 Label
> > or path hsusb0 not found
> > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:114.1-7 Label
> > or path ohci0 not found
> > Error: arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi:119.1-7 Label
> > or path ohci1 not found
> >
> > Add minimal placeholder nodes carrying only the reg property.
> > The remaining properties will be filled in once USB2.0 support for
> > RZ/G3L is complete.
> >
> > Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@xxxxxxxxxxxxxx>
> > ---
> >  arch/arm64/boot/dts/renesas/r9a08g046.dtsi | 25
> > ++++++++++++++++++++++
> 
> FTR, this conflicts with Biju's "[PATCH v7 6/9] arm64: dts: renesas:
> r9a08g046: Add USB2.0 host/phy device nodes". which does add the real device nodes.
> 
> [1] https://lore.kernel.org/20260812141940.246223-7-biju.das.jz@xxxxxxxxxxxxxx

For RZ/G3E only DT patches are pending, whereas for RZ/G3L USB reset/regulator/
power sequence patches are pending that is the reason Tommaso posted like this
as I mentioned him, I will rebase on top of his patch series.

Cheers,
Biju