Re: [PATCH v2 2/6] dt-bindings: rtc: renesas,rz-rtca3: Add RZ/V2H support

Alexandre Belloni
2025-11-06T10:41:08Z

On 06/11/2025 09:13:53+0000, Ovidiu Panait wrote:
> Hi Geert,
>
> > -----Original Message-----
> > From: Geert Uytterhoeven <geert@linux-m68k.org>
> > Sent: Thursday, November 6, 2025 10:47 AM
> > To: Ovidiu Panait <ovidiu.panait.rb@renesas.com>
> > Cc: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>;
> > alexandre.belloni@bootlin.com; robh@kernel.org; krzk+dt@kernel.org;
> > conor+dt@kernel.org; magnus.damm <magnus.damm@gmail.com>;
> > mturquette@baylibre.com; sboyd@kernel.org; p.zabel@pengutronix.de; linux-
> > rtc@vger.kernel.org; linux-renesas-soc@vger.kernel.org;
> > devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; linux-
> > clk@vger.kernel.org
> > Subject: Re: [PATCH v2 2/6] dt-bindings: rtc: renesas,rz-rtca3: Add RZ/V2H
> > support
> >
> > Hi Ovidiu,
> >
> > Sorry, I still had outstanding review comments I hadn't sent yet, as
> > I hadn't finished my review yet.
> >
> > On Tue, 21 Oct 2025 at 10:07, Ovidiu Panait
> > <ovidiu.panait.rb@renesas.com> wrote:
> > > The Renesas RZ/V2H RTC IP is based on the same RTCA3 IP as RZ/G3S
> > > (r9a08g045), with the following differences:
> > > - It lacks the time capture functionality
> > > - The maximum supported periodic interrupt frequency is 128Hz instead
> > > of 256Hz
> > > - It requires two reset lines instead of one
> > >
> > > Add new compatible string "renesas,r9a09g057-rtca3" for RZ/V2H and
> > update
> > > the binding accordingly:
> > > - Allow "resets" to contain one or two entries depending on the SoC.
> > > - Add "reset-names" property, but make it required only for RZ/V2H.
> > >
> > > Signed-off-by: Ovidiu Panait <ovidiu.panait.rb@renesas.com>
> > > ---
> > > v2 changes:
> > > - Added "reset-names" property and made it required for RZ/V2H.
> >
> > Thanks for the update!
> >
> > > --- a/Documentation/devicetree/bindings/rtc/renesas,rz-rtca3.yaml
> > > +++ b/Documentation/devicetree/bindings/rtc/renesas,rz-rtca3.yaml
> >
> > > @@ -61,6 +63,39 @@ required:
> > > - power-domains
> > > - resets
> > >
> > > +allOf:
> > > + - $ref: rtc.yaml#
> > > +
> > > + - if:
> > > + properties:
> > > + compatible:
> > > + contains:
> > > + const: renesas,r9a08g045-rtca3
> > > + then:
> > > + properties:
> > > + resets:
> > > + items:
> > > + - description: VBATTB module reset
> > > + reset-names:
> > > + const: vbattb
> >
> > Please add this property to the example at the bottom, too.
> >
>
> Thanks for your review!
>
> Please see the latest v3 series:
> https://lore.kernel.org/all/20251103121848.6539-1-ovidiu.panait.rb@renesas.com/
>
> The first two patches were applied by Alexandre in the meantime.
>
> Alexandre, would it be possible to drop the patches from your queue and I
> will send v4 to address the latest feedback from Geert and Conor?
>

Sure, I'll drop them later today.

--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering