On Fri, Aug 05, 2022 at 11:23:17AM +0200, Johan Hovold wrote:
> Add support for the alternate (second-source) touchpad found on some
> X13s laptops.
>
> Note that alternate touchpad is kept disabled for now. The boot firmware
> should determine which device is actually populated and enable only the
> corresponding node.
>
> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Thanks,
Mani
> ---
> .../dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> index 1ca72f6ba55a..bdeb2d05aaa1 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> @@ -211,6 +211,22 @@ &qup2_i2c5 {
>
> status = "okay";
>
> + touchpad@15 {
> + compatible = "hid-over-i2c";
> + reg = <0x15>;
> +
> + hid-descr-addr = <0x1>;
> + interrupts-extended = <&tlmm 182 IRQ_TYPE_LEVEL_LOW>;
> + vdd-supply = <&vreg_misc_3p3>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&tpad_default>;
> +
> + wakeup-source;
> +
> + status = "disabled";
> + };
> +
> touchpad@2c {
> compatible = "hid-over-i2c";
> reg = <0x2c>;
> --
> 2.35.1
>
--
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