Re: [PATCH] arm64: dts: renesas: hihope-common: Add uSD and eMMC

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

Hi Fabrizio,

On Wed, Jun 12, 2019 at 10:39 AM Fabrizio Castro
<fabrizio.castro@xxxxxxxxxxxxxx> wrote:
> > From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> > Sent: 12 June 2019 09:28
> > Subject: Re: [PATCH] arm64: dts: renesas: hihope-common: Add uSD and eMMC
> >
> > On Fri, Jun 7, 2019 at 10:14 AM Fabrizio Castro
> > <fabrizio.castro@xxxxxxxxxxxxxx> wrote:
> > > This patch adds uSD and eMMC support to the HiHope RZ/G2M
> > > board.
> > >
> > > Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
> >
> > Thanks for your patch!
> >
> > > --- a/arch/arm64/boot/dts/renesas/hihope-common.dtsi
> > > +++ b/arch/arm64/boot/dts/renesas/hihope-common.dtsi
> >
> > > +&sdhi3 {
> > > +       pinctrl-0 = <&sdhi3_pins>;
> > > +       pinctrl-1 = <&sdhi3_pins>;
> > > +       pinctrl-names = "default", "state_uhs";
> > > +
> > > +       vmmc-supply = <&reg_3p3v>;
> > > +       vqmmc-supply = <&reg_1p8v>;
> > > +       bus-width = <8>;
> > > +       mmc-hs200-1_8v;
> >
> > Does the eMMC support HS400, too?
>
> The eMMC does support HS400, but if I list it here the eMMC won't work properly as the SoC can't deal with it.
> Wolfram's patch blacklists HS400 for the RZ/G2M (revisions "ES1.[012]"):
> https://www.mail-archive.com/linux-renesas-soc@xxxxxxxxxxxxxxx/msg40630.html
> I was thinking about sending a follow-up patch to list hs400 here after Wolfram's patch appears in a RC, would
> that be okay with you?

Fine for me.

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