Re: [PATCH v2 1/2] dt-bindings: thermal: amlogic: Add A9 thermal bindings

[Krzysztof Kozlowski <krzk@kernel.org>]

On Tue, Aug 11, 2026 at 08:37:43AM +0000, Xianwei Zhao wrote:
> Document the thermal controller compatibles for the Amlogic A9 SoC.
> 
> Describe the required "core" and "plck" clocks, add the optional
> "amlogic,hw-reset-temp" property, and update the schema constraints for
> A9-specific thermal controllers.
> 
> Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
> ---
>  .../bindings/thermal/amlogic,thermal.yaml          | 28 +++++++++++++++++++++-
>  1 file changed, 27 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml b/Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml
> index 8cfa44dcda58..f73ee66bcc47 100644
> --- a/Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml
> +++ b/Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml
> @@ -23,6 +23,7 @@ properties:
>            - const: amlogic,g12a-thermal
>        - enum:
>            - amlogic,a1-cpu-thermal
> +          - amlogic,a9-thermal
>            - amlogic,t7-thermal
>  
>    reg:
> @@ -32,7 +33,13 @@ properties:
>      maxItems: 1
>  
>    clocks:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2
> +
> +  clock-names:
> +    items:
> +      - const: core
> +      - const: pclk
>  
>    power-domains:
>      maxItems: 1
> @@ -52,6 +59,10 @@ properties:
>            - description: phandle to the secure monitor
>            - description: sensor index to get specific calibration data
>  
> +  amlogic,hw-reset-temp:
> +    description: The hardware-controlled reset temperature value.
> +    $ref: /schemas/types.yaml#/definitions/uint32

Thermal zones define that, not custom properties.

> +
>  required:
>    - compatible
>    - reg
> @@ -73,6 +84,21 @@ allOf:
>        required:
>          - amlogic,secure-monitor
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - amlogic,a9-thermal

Why is one clock valid as well for the new device?

Best regards,
Krzysztof