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

From: Dmitry Baryshkov
Date: Mon Jul 22 2024 - 21:10:16 EST


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?


--
With best wishes
Dmitry