Re: [PATCH] arm64: dts: qcom: x1e80100-t14s: add another trackpad support

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On Tue, Sep 17, 2024 at 06:27:15AM GMT, srinivas.kandagatla@xxxxxxxxxx wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> 
> Trackpad HID device on some of the T14s Product Models 21N2ZC5PUS is
> at I2C address 0x2c add this to be able to get it working on these laptops.

Do you think that we might need to introduce the same workardound as the
one added in the commit a9164910c5ce ("arm64: dts: qcom: c630: keep both
touchpad devices enabled")?

> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> ---
>  .../dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts     | 14 +++++++++++++-
>  1 file changed, 13 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
> index 941dfddd6713..8468f99d9bed 100644
> --- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
> @@ -467,7 +467,19 @@ touchpad@15 {
>  		wakeup-source;
>  	};
>  
> -	/* TODO: second-sourced SYNA8022 or SYNA8024 touchpad @ 0x2c */
> +	/* SYNA8022 or SYNA8024 touchpad @ 0x2c */
> +	touchpad@15 {
> +		compatible = "hid-over-i2c";
> +		reg = <0x2c>;
> +
> +		hid-descr-addr = <0x20>;
> +		interrupts-extended = <&tlmm 3 IRQ_TYPE_LEVEL_LOW>;
> +
> +		pinctrl-0 = <&tpad_default>;
> +		pinctrl-names = "default";
> +
> +		wakeup-source;
> +	};
>  
>  	/* ELAN06F1 or SYNA06F2 */
>  	keyboard@3a {
> -- 
> 2.39.2
> 

-- 
With best wishes
Dmitry




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