linux-kernel - Re: [PATCH RFT] watchdog: da9063_wdt: parse DT for timeout value, too

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Message-ID: <CAMuHMdXX_OT9soypArNwqkVYTjiTM890qAvp8ZYHaOh9bW5wgg@mail.gmail.com>
Date:   Wed, 24 Apr 2019 11:32:23 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Steve Twiss <stwiss.opensource@...semi.com>,
        Marek Vasut <marek.vasut+renesas@...il.com>
Cc:     Wolfram Sang <wsa@...-dreams.de>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        LINUX RENESAS SOC <linux-renesas-soc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Support Opensource <Support.Opensource@...semi.com>
Subject: Re: [PATCH RFT] watchdog: da9063_wdt: parse DT for timeout value, too

Hi Steve,

On Mon, Apr 15, 2019 at 12:10 PM Steve Twiss
<stwiss.opensource@...semi.com> wrote:
> On 15 April 2019 10:29, Wolfram Sang wrote:
> > Subject: Re: [PATCH RFT] watchdog: da9063_wdt: parse DT for timeout value, too
> > On Mon, Apr 15, 2019 at 08:11:16AM +0000, Steve Twiss wrote:
> > > On 14 April 2019 12:10, Wolfram Sang wrote:
> > >
> > > > Tested with a Renesas Lager board (R-Car H2, DA9063AD)
> > >
> > > Can I please check there is no mistake in your description. I have been repeatedly
> > > told by the hardware engineers here, (for the past 6 years) it is not possible.
> > > But, you seem to have an R-Car H2 with the AD silicon version of DA9063?
> >
> > I am confused, what is not possible? That I have an AD version? Yes, we
> > found that out when we worked on the RTC recently.
>
> Sure, I know, people have been requesting continued support for DA9063 AD silicon
> for years. The original DA9063 Linux driver was sent to LKML with AD support.
>
> > It is an early version of the Lager development board. I have no numbers
> > but my assumption is there are not too many out there.
>
> Thanks, yes, there is interest from the hardware engineers here. Thanks for the
> confirmation about your board. I will inform them about the DA9063 AD silicon on
> the Renesas Lager board -- and I will let you know their response.

For the record, I see the following DA9063 variants on the Renesas boards I have
access to:
  - DA9063 AD: Lager (R-Car H2), Koelsch (R-Car M2-W),
  - DA9063 BB: Gose (R-Car M2-N), Blanche (R-Car V2H), Alt (R-Car E2).

I cannot check Porter (R-Car M2-W) and Silk (R-Car E2) right now, but
from Marek's report, Porter has DA9063L CA.

Marek: which variant does your Stout (R-Car H2) have?

Thanks!

Gr{oetje,eeting}s,

                        Geert


--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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