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

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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 ;)

Konrad




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