Re: [PATCH] arm64: dts: qcom: mahua-lenovo-thinkpad-t14s-gen7: Add touchscreen support

[Konrad Dybcio]

On 11/6/26 9:47 PM, Abel Vesa wrote:
> The touch SKU of the ThinkPad T14s Gen 7 has a HID-over-I2C
> touchscreen (Parade, HID 1da0:3009) at address 0x24 on QUP i2c8.
> Its interrupt is GPIO 51 (level, active low) and GPIO 48 is the
> active-low reset line, which is kept deasserted.
> 
> Describe it so the touchscreen works.
> 
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
> ---

[...]
> +	ts0_default: ts0-default-state {
> +		int-n-pins {
> +			pins = "gpio51";
> +			function = "gpio";
> +			drive-strength = <2>;
> +			bias-pull-up;
> +		};
> +
> +		reset-n-pins {
> +			pins = "gpio48";
> +			function = "gpio";
> +			drive-strength = <2>;
> +			bias-disable;
> +			output-high;

I'm afraid you'll need to add specific bindings for this touchscreen
instead, see:

https://lore.kernel.org/lkml/82a96d57-94fc-470a-b7eb-f0fde0c0dad6@xxxxxxxxxxxxxxxx/

Konrad