Re: [PATCH 1/4] arm64: dts: qcom: msm8998-lenovo-miix-630: enable touchscreen

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On Tue, 23 Jul 2024 at 13:01, Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote:
>
> On 23.07.2024 3:09 AM, Dmitry Baryshkov wrote:
> > On Tue, 23 Jul 2024 at 02:22, Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote:
> >>
> >> On 22.07.2024 1:57 PM, Dmitry Baryshkov wrote:
> >>> There is no point in keeping touchscreen disabled, enable corresponding
> >>> i2c-hid device.
> >>>
> >>> 04F3:2608 Touchscreen as /devices/platform/soc@0/c179000.i2c/i2c-0/0-0010/0018:04F3:2608.0001/input/input1
> >>> 04F3:2608 as /devices/platform/soc@0/c179000.i2c/i2c-0/0-0010/0018:04F3:2608.0001/input/input2
> >>> 04F3:2608 as /devices/platform/soc@0/c179000.i2c/i2c-0/0-0010/0018:04F3:2608.0001/input/input3
> >>> 04F3:2608 Stylus as /devices/platform/soc@0/c179000.i2c/i2c-0/0-0010/0018:04F3:2608.0001/input/input4
> >>>
> >>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> >>> ---
> >>>  .../boot/dts/qcom/msm8998-lenovo-miix-630.dts      | 28 ++++++++++++++++++++++
> >>>  1 file changed, 28 insertions(+)
> >>>
> >>> diff --git a/arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dts b/arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dts
> >>> index a105143bee4a..118c55f5bcfd 100644
> >>> --- a/arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dts
> >>> +++ b/arch/arm64/boot/dts/qcom/msm8998-lenovo-miix-630.dts
> >>> @@ -11,6 +11,24 @@ / {
> >>>       chassis-type = "convertible";
> >>>  };
> >>>
> >>> +&blsp1_i2c5 {
> >>> +     clock-frequency = <400000>;
> >>> +     status = "okay";
> >>> +
> >>> +     tsc1: hid@10 {
> >> weird (and unused label)
> >>
> >> very non-specific node name too
> >>
> >>> +             compatible = "hid-over-i2c";
> >>> +             reg = <0x10>;
> >>> +             hid-descr-addr = <0x1>;
> >>> +
> >>> +             interrupts-extended = <&tlmm 125 IRQ_TYPE_LEVEL_LOW>;
> >>> +
> >>> +             pinctrl-0 = <&i2c5_hid_active>;
> >>> +             pinctrl-names = "default";
> >>> +
> >>> +             wakeup-source;
> >>
> >> double tap to wake? tap to wake?
> >>
> >>> +     };
> >>> +};
> >>> +
> >>>  &blsp1_i2c6 {
> >>>       status = "okay";
> >>>
> >>> @@ -35,3 +53,13 @@ &remoteproc_mss {
> >>>  &sdhc2 {
> >>>       cd-gpios = <&tlmm 95 GPIO_ACTIVE_HIGH>;
> >>>  };
> >>> +
> >>> +&tlmm {
> >>> +     i2c5_hid_active: i2c5-hid-active-state {
> >>> +             pins = "gpio125";
> >>> +             function = "gpio";
> >>> +
> >>> +             bias-pull-up;
> >>> +             drive-strength = <2>;
> >>
> >> Since there are no other pin definitions, you can do better and not
> >> copy the old rotten style ;)
> >
> > Both node and pinctrl were c&p from c630. But was is rotten here?
>
> yes, we stopped putting a random newline in there quite some years ago

Ack

-- 
With best wishes
Dmitry




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