Re: [PATCH] arm64: dts: qcom: sm8350-sagami: Rectify GPIO keys

From: Marijn Suijten
Date: Tue Dec 13 2022 - 06:12:28 EST


On 2022-12-13 11:23:12, Konrad Dybcio wrote:
>
>
> On 13.12.2022 10:03, Marijn Suijten wrote:
> > On 2022-12-10 14:38:50, Konrad Dybcio wrote:
> >> With enough pins set properly, the hardware buttons now also work
> >> like a charm.
> >>
> >> Fixes: c2721b0c23d9 ("arm64: dts: qcom: Add support for Xperia 1 III / 5 III")
> >> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> >
> > Tested-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx> # On Xperia 5 III
> >
> > However I also tested this on Xperia 1 III, and...
> >
> >> ---
> >> .../qcom/sm8350-sony-xperia-sagami-pdx214.dts | 24 ++++++++++
> >> .../dts/qcom/sm8350-sony-xperia-sagami.dtsi | 47 ++++++++++++++++++-
> >> 2 files changed, 70 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami-pdx214.dts b/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami-pdx214.dts
> >> index e6824c8c2774..6fa830bdc6bd 100644
> >> --- a/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami-pdx214.dts
> >> +++ b/arch/arm64/boot/dts/qcom/sm8350-sony-xperia-sagami-pdx214.dts
> >> @@ -10,6 +10,20 @@
> >> / {
> >> model = "Sony Xperia 5 III";
> >> compatible = "sony,pdx214-generic", "qcom,sm8350";
> >> +
> >> + gpio-keys {
> >> + pinctrl-names = "default";
> >> + pinctrl-0 = <&focus_n &snapshot_n &vol_down_n &g_assist_n>;
> >> +
> >> + key-google-assist {
> >> + label = "Google Assistant Key";
> >> + gpios = <&pm8350_gpios 9 GPIO_ACTIVE_LOW>;
> >> + linux,code = <KEY_LEFTMETA>;
> >> + debounce-interval = <15>;
> >> + linux,can-disable;
> >> + gpio-key,wakeup;
> >> + };
> >> + };
> >
> > ... please move this to board DTS. Xperia 1 III would also like to have
> > it mapped. Downstream DT indicates, and my local testing confirms, that
> > it is identical to Xperia 5 III (i.e. common to the Sagami board).
> >
> > The other buttons work great on both devices!
> While I'd agree that having it like that would be nice for completeness,
> it's:
>
> - not necessary, as the button is not physically there, so the user will
> never come into contact with it

I have the device in my hand right now and, unless I take an angle
grinder to it, it has this button.

How else did you expect me to successfully test it?

Maybe you are confused with Xperia 1 IV, which does _not_ have the
button. Nor does Xperia 1 II, for that matter.

- Marijn

> - it will leak power, the plan is to park all unused pins after we get
> "good enough" support for our devices (not now, so as not to mess with
> ourselves in the dev process)
>
> Konrad