Re: [PATCH v2 3/3] arm64: dts: qcom: sm6125-xiaomi-laurel-sprout: Add Focaltech FT3518 touchscreen
From: Dmitry Baryshkov
Date: Wed Jan 14 2026 - 08:04:04 EST
On Wed, Jan 14, 2026 at 11:31:08AM +0200, Yedaya Katsman via B4 Relay wrote:
> From: Yedaya Katsman <yedaya.ka@xxxxxxxxx>
>
> Add device tree node for the Focaltech FT3518 touchscreen on
> Xiaomi Mi A3 (laurel-sprout).
>
> Enable qupv3_id_0 and i2c2 bus that the touchscreen is on.
>
> Co-developed-by: Kamil Gołda <kamil.golda@xxxxxxxxxxxxxx>
> Signed-off-by: Kamil Gołda <kamil.golda@xxxxxxxxxxxxxx>
> Signed-off-by: Yedaya Katsman <yedaya.ka@xxxxxxxxx>
> ---
> .../boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts | 34 ++++++++++++++++++++++
> 1 file changed, 34 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts
> index 994fb0412fcbdf5466f87a325c48b697a37b514b..97feed708d3b6483eab72cfb0ae39be6f5ae3a11 100644
> --- a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts
> +++ b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts
> @@ -119,6 +119,18 @@ active-config0 {
> };
> };
> };
> +
> + ts_vdd_supply: ts-vdd-supply {
ts_vdd_supply: vreg-ts-vdd
OR
ts_vdd_supply: regulator-ts-vdd
(It migth require to be moved up in the file according to the sorting
rules).
> + compatible = "regulator-fixed";
> + regulator-name = "ts_vdd_supply";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpio = <&tlmm 83 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> +
> + startup-delay-us = <70000>;
> + };
> };
>
--
With best wishes
Dmitry