linux-kernel - Re: [PATCH 08/14] arm64: dts: qcom: sa8775p: pmic: add the power key

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Message-ID: <CAMRc=McGbZVWnp6Vcp2PzNjRpkfF9RJDWU89nvC+uso+mPK2PA@mail.gmail.com>
Date:   Mon, 20 Mar 2023 11:52:20 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 08/14] arm64: dts: qcom: sa8775p: pmic: add the power key

On Tue, Mar 14, 2023 at 9:26 PM Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
>
>
> On 14.03.2023 19:30, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> >
> > Add the power key node under the PON node for PMIC #0 on sa8775p.
> >
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > ---
> >  arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi | 7 +++++++
> >  1 file changed, 7 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
> > index 5d73212fbd16..874460d087db 100644
> > --- a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
> > @@ -18,6 +18,13 @@ pmk8775_0_pon: pon@...0 {
> >                       reg = <0x1200>, <0x800>;
> >                       mode-recovery = <0x1>;
> >                       mode-bootloader = <0x2>;
> > +
> > +                     pmk8775_0_pon_pwrkey: pwrkey {
> > +                             compatible = "qcom,pmk8350-pwrkey";
> > +                             interrupts-extended = <&spmi_bus 0x0 0x12 0x7 IRQ_TYPE_EDGE_BOTH>;
> > +                             linux,code = <KEY_POWER>;
> > +                             status = "disabled";
> Does it make any sense to disable the power button?
>

Since this is an automotive platform, I'd say yes - you wouldn't
normally have physical access to the board or even be sure for it to
have a power button? But if you prefer it the other way, I won't be
dying on this hill.

Bart

> Konrad
> > +                     };
> >               };
> >       };
> >