linux-kernel - Re: [PATCH 1/3] arm64: dts: qcom: sc7180: Add lazor rev4

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Date:   Mon, 22 Feb 2021 15:41:58 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/3] arm64: dts: qcom: sc7180: Add lazor rev4

On Mon, Feb 22, 2021 at 03:20:53PM -0800, Doug Anderson wrote:
> Hi,
> 
> On Fri, Feb 19, 2021 at 6:11 PM Matthias Kaehlcke <mka@...omium.org> wrote:
> >
> > Lazor rev3 and older are stuffed with a 47k NTC thermistor for the
> > charger temperature which currently isn't supported by the PM6150 ADC
> > driver. A supported thermistor is used in rev4 and later revisions.
> > Add rev4 .dts files to be able to account for this.
> >
> > Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> > ---
> >
> >  arch/arm64/boot/dts/qcom/Makefile             |  3 ++
> >  .../dts/qcom/sc7180-trogdor-lazor-r3-kb.dts   |  4 +--
> >  .../dts/qcom/sc7180-trogdor-lazor-r3-lte.dts  |  4 +--
> >  .../boot/dts/qcom/sc7180-trogdor-lazor-r3.dts |  4 +--
> >  .../dts/qcom/sc7180-trogdor-lazor-r4-kb.dts   | 20 +++++++++++++
> >  .../dts/qcom/sc7180-trogdor-lazor-r4-lte.dts  | 28 +++++++++++++++++++
> >  .../boot/dts/qcom/sc7180-trogdor-lazor-r4.dts | 16 +++++++++++
> >  7 files changed, 73 insertions(+), 6 deletions(-)
> 
> From what I can see in the latest discussions -r4 _won't_ get stuffed
> with the 100K resistor.  Thus we can just treat -r4 as the same as all
> the other revisoins now, right?

Yes, looks like there is not need for an explicit -r4 after all.