Re: [PATCH v3 0/4] Add USB2.0 support for RZ/G3E

[Geert Uytterhoeven]

Hi Tommaso,

On Mon, 21 Sept 2026 at 11:57, Tommaso Merciai
<tommaso.merciai.xr@xxxxxxxxxxxxxx> wrote:
> On Wed, Sep 09, 2026 at 10:54:57AM +0200, Tommaso Merciai wrote:
> > This patch series adds USB2.0 support for the Renesas R9A09G047 SoC and
> > enables it on the RZ/G3E SMARK II board.
> >
> > Kind regards,
> > Tommaso
> >
> > v2->v3:
> >  - No changes just rebased on top of next-20260908.
> >
> > v1->v2:
> >  - Included PATCH v7 7/9 and PATCH v7 6/9 from
> >    v7: https://lore.kernel.org/all/20260812141940.246223-1-biju.das.jz@xxxxxxxxxxxxxx/
> >  - Drop placeholder patch
> >  - PATCH 4/4: Disabled RZ/G3L common nodes from r9a08g046l48-smarc.dts.
> >    Update commit body, and improved usb20_pins, usb21_pins comments.
> >
> > Biju Das (2):
> >   arm64: dts: renesas: r9a08g046: Add USB2.0 host/phy device nodes
> >   arm64: dts: renesas: r9a08g046: Add USB2.0 function device nodes
> >
> > Tommaso Merciai (2):
> >   arm64: dts: renesas: r9a09g047: Add USB2.0 support
> >   arm64: dts: renesas: r9a09g047e57-smarc: Enable USB2.0 support
>
> RZ/G3L USB2.0 binding patch is not queued.
> Shall I send a new version without RZ/G3L patches ie, using placeholders [1] ?

That might be a good idea, to unblock mainlining of RZ/G3E USB.

However, it looks like the only missing piece is DT bindings for
"renesas,r9a08g046-usbphy-ctrl"? How come we ended up with
a driver in linux-next without bindings?

> [1] https://lore.kernel.org/all/aec1fce5558c6c88725fe710a2f9e4b1eb9e8d64.1787062965.git.tommaso.merciai.xr@xxxxxxxxxxxxxx/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds