linux-kernel - Re: [PATCH] ARM: dts: stm32: stm32mp157c-phycore: Fix STMPE811 touchscreen node properties

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Message-ID: <2f987d78-6494-45d7-86cf-466785e2124f@foss.st.com>
Date: Mon, 10 Nov 2025 09:46:32 +0100
From: Alexandre TORGUE <alexandre.torgue@...s.st.com>
To: Jihed Chaibi <jihed.chaibi.dev@...il.com>, <mcoquelin.stm32@...il.com>
CC: <robh@...nel.org>, <s.trumtrar@...gutronix.de>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: stm32: stm32mp157c-phycore: Fix STMPE811
 touchscreen node properties

Hi Jihed

On 9/16/25 00:46, Jihed Chaibi wrote:
> Move st,adc-freq, st,mod-12b, st,ref-sel, and st,sample-time properties
> from the touchscreen subnode to the parent touch@44 node. These properties
> are defined in the st,stmpe.yaml schema for the parent node, not the
> touchscreen subnode, resolving the validation error about unevaluated
> properties.
> 
> Fixes: 27538a18a4fcc ("ARM: dts: stm32: add STM32MP1-based Phytec SoM")
> Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@...il.com>
> ---
>   .../boot/dts/st/stm32mp157c-phycore-stm32mp15-som.dtsi    | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/st/stm32mp157c-phycore-stm32mp15-som.dtsi b/arch/arm/boot/dts/st/stm32mp157c-phycore-stm32mp15-som.dtsi
> index bf0c32027ba..370b2afbf15 100644
> --- a/arch/arm/boot/dts/st/stm32mp157c-phycore-stm32mp15-som.dtsi
> +++ b/arch/arm/boot/dts/st/stm32mp157c-phycore-stm32mp15-som.dtsi
> @@ -185,13 +185,13 @@ touch@44 {
>   		interrupt-parent = <&gpioi>;
>   		vio-supply = <&v3v3>;
>   		vcc-supply = <&v3v3>;
> +		st,sample-time = <4>;
> +		st,mod-12b = <1>;
> +		st,ref-sel = <0>;
> +		st,adc-freq = <1>;
>   
>   		touchscreen {
>   			compatible = "st,stmpe-ts";
> -			st,sample-time = <4>;
> -			st,mod-12b = <1>;
> -			st,ref-sel = <0>;
> -			st,adc-freq = <1>;
>   			st,ave-ctrl = <1>;
>   			st,touch-det-delay = <2>;
>   			st,settling = <2>;

Applied on stm32-next.

Thanks
Alex