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

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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

Konrad




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