Re: [PATCH 03/12] arm64: dts: qcom: sm6115-pro1x: Add Goodix Touchscreen

From: Konrad Dybcio
Date: Mon Jul 22 2024 - 04:37:09 EST


On 22.07.2024 9:10 AM, Dang Huynh wrote:
> The Fxtec Pro1X touchscreen uses Goodix GT9286 chip.
>
> Signed-off-by: Dang Huynh <danct12@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts | 49 +++++++++++++++++++++++++
> 1 file changed, 49 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts b/arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts
> index 43b4bee72dd8..d91d31646b29 100644
> --- a/arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts
> +++ b/arch/arm64/boot/dts/qcom/sm6115-fxtec-pro1x.dts
> @@ -62,6 +62,20 @@ key-volume-up {
> wakeup-source;
> };
> };
> +
> + ts_vdd_supply: ts-vdd-supply {
> + compatible = "regulator-fixed";
> + regulator-name = "ts_vdd_supply";
> + gpio = <&pca9534 3 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + ts_vddio_supply: ts-vddio-supply {
> + compatible = "regulator-fixed";
> + regulator-name = "ts_vddio_supply";
> + gpio = <&pca9534 2 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };

I suppose you don't know the voltages for these?

> };
>
> &dispcc {
> @@ -86,6 +100,27 @@ pca9534: gpio@21 {
> };
> };
>
> +&i2c2 {
> + status = "okay";
> + /* Clock frequency was not specified downstream, let's park it to 100 KHz */
> + clock-frequency = <100000>;
> +
> + touchscreen@14 {
> + compatible = "goodix,gt9286";
> + reg = <0x14>;

> + pinctrl-names = "default";
> + pinctrl-0 = <&ts_int_n>, <&ts_rst_n>;

reverse order, shift these down below supplies

> +
> + interrupt-parent = <&tlmm>;
> + interrupts = <80 IRQ_TYPE_LEVEL_LOW>;

interrupts-extended

Konrad