Re: [PATCH WIP v2 11/11] arm64: dts: qcom: sdm845-google: Add STM FTS touchscreen support

[Konrad Dybcio]

On 3/15/26 7:52 PM, David Heidelberg via B4 Relay wrote:
> From: Petr Hodina <petr.hodina@xxxxxxxxxxxxxx>
> 
> Basic touchscreen connected to second i2c bus.
> 
> Signed-off-by: Petr Hodina <petr.hodina@xxxxxxxxxxxxxx>
> Co-developed-by: David Heidelberg <david@xxxxxxx>
> Signed-off-by: David Heidelberg <david@xxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts | 20 +++++++++++++++++++-
>  1 file changed, 19 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts b/arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts
> index fa89be500fb85..48d7e7f83c285 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-google-blueline.dts
> @@ -26,7 +26,25 @@ &i2c2 {
>  
>  	status = "okay";
>  
> -	/* ST,FTS @ 49 */
> +	touchscreen@49 {
> +		compatible = "st,stmfts5";
> +		reg = <0x49>;
> +
> +		pinctrl-0 = <&touchscreen_pins &touchscreen_reset>;

s/touchscreen_pins/touchscreen_irq_n?

also: <&foo>, <&bar> (this produces the exact same compilation output
but making them separate makes more ""semantic"" sense)

> +		pinctrl-names = "default";
> +
> +		interrupt-parent = <&tlmm>;
> +		interrupts = <125 IRQ_TYPE_LEVEL_LOW>;

interrupts-extended = <&tlmm 125 IRQ...>

Konrad