Re: [PATCH v5 1/3] dt-bindings: embedded-controller: Add Lenovo ThinkPad T14s thermal sensor provider support

[Krzysztof Kozlowski]

On Mon, Jul 06, 2026 at 08:46:46PM +0200, Daniel Lezcano wrote:
> Document the Lenovo ThinkPad T14s Embedded Controller as a thermal
> sensor provider by adding the '#thermal-sensor-cells' property.
> 
> This allows the EC temperature sensors to be referenced from thermal
> zones in the device tree.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxxxxxxxx>
> ---
>  .../embedded-controller/lenovo,thinkpad-t14s-ec.yaml         | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/embedded-controller/lenovo,thinkpad-t14s-ec.yaml b/Documentation/devicetree/bindings/embedded-controller/lenovo,thinkpad-t14s-ec.yaml
> index c87ccb5b3086..0d049979e35b 100644
> --- a/Documentation/devicetree/bindings/embedded-controller/lenovo,thinkpad-t14s-ec.yaml
> +++ b/Documentation/devicetree/bindings/embedded-controller/lenovo,thinkpad-t14s-ec.yaml
> @@ -26,10 +26,14 @@ properties:
>  
>    wakeup-source: true
>  
> +  "#thermal-sensor-cells":
> +    const: 1
> +
>  required:
>    - compatible
>    - reg
>    - interrupts
> +  - "#thermal-sensor-cells"

This looks like ABI break without explanation.

Best regards,
Krzysztof