Re: [PATCH v2 1/2] dt-bindings: thermal: amlogic: Add A9 thermal bindings
From: Krzysztof Kozlowski
Date: Thu Aug 13 2026 - 04:31:07 EST
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@xxxxxxxxxxx>
> ---
> .../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