linux-kernel - Re: [linux-sunxi] Re: [PATCH v2 14/16] arm: dts: sun8i: h3: enable H3 sid controller

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Date:   Wed, 25 Jul 2018 11:05:12 +0200
From:   Emmanuel Vadot <manu@...ouilliste.com>
To:     Paul Kocialkowski <contact@...lk.fr>
Cc:     embed3d@...il.com, Kyle Evans <kevans@...ebsd.org>,
        icenowy@...c.io, Mark Rutland <mark.rutland@....com>,
        sean@...s.org, linux-iio@...r.kernel.org,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        clabbe.montjoie@...il.com, pmeerw@...erw.net, lee.jones@...aro.org,
        lars@...afoo.de, edu.molinas@...il.com,
        Russell King <linux@...linux.org.uk>, krzk@...nel.org,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>, hans.verkuil@...co.com,
        rask@...melder.dk, devicetree <devicetree@...r.kernel.org>,
        mchehab@...nel.org, Rob Herring <robh+dt@...nel.org>,
        singhalsimran0@...il.com,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        quentin.schulz@...e-electrons.com, knaack.h@....de,
        davem@...emloft.net, jic23@...nel.org
Subject: Re: [linux-sunxi] Re: [PATCH v2 14/16] arm: dts: sun8i: h3: enable
 H3 sid controller

On Tue, 24 Jul 2018 19:19:54 +0200
Paul Kocialkowski <contact@...lk.fr> wrote:

> Hi,
> 
> Le vendredi 20 avril 2018 à 11:35 +0200, Philipp Rossak a écrit :
> > Hi Kyle,
> > 
> > I'm already working on a Version 3 of this patch series. Right now this 
> > slowed down since I'm very busy and the ToDo-List is still very long.
> > 
> > My plan is to send out a version during this release cycle.
> > 
> > If you need it right now feel free to submit patches!
> 
> I just came around this patch while testing SID support for H3, that is
> not enabled in the dts at this point despite driver support.
> 
> Maxime, would it make sense to merge this patch as-is, without support
> for the thermal calibration section, since the two aspects seem rather
> independent (and some other SoCs also have a SID node without linkage
> for thermal support anyway)?
> 
> Cheers,
> 
> Paul

 Hello Paul,

 I've sent a serie yesterday for SID on A64/H3/H5.
 https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=761

 Cheers,

> > Philipp
> > 
> > On 19.04.2018 17:19, Kyle Evans wrote:
> > > On Thu, Apr 19, 2018 at 10:13 AM, Icenowy Zheng <icenowy@...c.io> wrote:
> > > > 
> > > > 
> > > > ? 2018?4?19? GMT+08:00 ??11:11:22, Kyle Evans <kevans@...ebsd.org> ??:
> > > > > On Mon, Jan 29, 2018 at 6:03 AM, Philipp Rossak <embed3d@...il.com>
> > > > > wrote:
> > > > > > 
> > > > > > 
> > > > > > On 29.01.2018 10:52, Maxime Ripard wrote:
> > > > > > > 
> > > > > > > On Mon, Jan 29, 2018 at 12:29:17AM +0100, Philipp Rossak wrote:
> > > > > > > > 
> > > > > > > > This patch enables the the sid controller in the H3. It can be used
> > > > > > > > for thermal calibration data.
> > > > > > > > 
> > > > > > > > Signed-off-by: Philipp Rossak <embed3d@...il.com>
> > > > > > > > ---
> > > > > > > >    arch/arm/boot/dts/sun8i-h3.dtsi | 7 +++++++
> > > > > > > >    1 file changed, 7 insertions(+)
> > > > > > > > 
> > > > > > > > diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi
> > > > > > > > b/arch/arm/boot/dts/sun8i-h3.dtsi
> > > > > > > > index 3f83f6a27c74..9bb5cc29fec5 100644
> > > > > > > > --- a/arch/arm/boot/dts/sun8i-h3.dtsi
> > > > > > > > +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
> > > > > > > > @@ -72,6 +72,13 @@
> > > > > > > >                  };
> > > > > > > >          };
> > > > > > > >    +     soc {
> > > > > > > > +               sid: eeprom@...4000 {
> > > > > > > > +                       compatible = "allwinner,sun8i-h3-sid";
> > > > > > > > +                       reg = <0x01c14000 0x400>;
> > > > > > > > +               };
> > > > > > > > +       };
> > > > > > > > +
> > > > > > > 
> > > > > > > 
> > > > > > > Shouldn't you also use a nvmem-cells property to the THS node?
> > > > > > > 
> > > > > > > Maxime
> > > > > > > 
> > > > > > 
> > > > > > Oh seems like I forgot that.
> > > > > > As related to the wiki [1] this should be 64 bit wide at the address
> > > > > 
> > > > > 0x34. I
> > > > > > will add that in the next version.
> > > > > > 
> > > > > > 
> > > > > > [1]: http://linux-sunxi.org/SID_Register_Guide#eFUSE
> > > > > > 
> > > > > > Thanks,
> > > > > > Philipp
> > > > > > 
> > > > > 
> > > > > Hi,
> > > > > 
> > > > > Any chance this will see a v3 soon? I'm kind of interested in sid node
> > > > > for h3. =)
> > > > 
> > > > This patch is independent and can be easily sent out
> > > > by its own.
> > > > 
> > > 
> > > Right- I had considered doing so, but wanted to make sure I wasn't
> > > going to collide with this series if a v3 is imminent.
> > > 
> > 
> > 
> -- 
> Developer of free digital technology and hardware support.
> 
> Website: https://www.paulk.fr/
> Coding blog: https://code.paulk.fr/
> Git repositories: https://git.paulk.fr/ https://git.code.paulk.fr/


-- 
Emmanuel Vadot <manu@...ouilliste.com> <manu@...ebsd.org>