On Mon, Oct 12, 2026 at 02:13:38PM +0300, Antoniu Miclaus wrote:
> The ADE9039 is a polyphase energy metering device from the same family as
> the ADE9000. It is register compatible with the ADE9000 for everything the
> driver uses, provides the same on-chip dip/swell detection, and shares the
> full-scale codes of the ADE9078.
> 
> It computes only fundamental reactive power and has no total reactive power
> register, which is noted in the description. Like the ADE9078 it supports a

AFAICT, this first sentence here is what prevents using a fallback,
could you be more clear about that please?
Otherwise,
Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable

Thanks,
Conor.

> maximum serial clock frequency of 10 MHz rather than 20 MHz, so extend the
> existing spi-max-frequency constraint to cover it.
> 
> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
> ---
>  .../bindings/iio/adc/adi,ade9000.yaml         | 29 +++++++++++--------
>  1 file changed, 17 insertions(+), 12 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ade9000.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ade9000.yaml
> index bcc166aad713..70106dd052ce 100644
> --- a/Documentation/devicetree/bindings/iio/adc/adi,ade9000.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ade9000.yaml
> @@ -5,26 +5,28 @@
>  $id: http://devicetree.org/schemas/iio/adc/adi,ade9000.yaml#
>  $schema: http://devicetree.org/meta-schemas/core.yaml#
>  
> -title: Analog Devices ADE9000/ADE9078/ADE9430 High Performance, Polyphase Energy Metering
> +title: Analog Devices ADE9000/ADE9078/ADE9430/ADE9039 High Performance, Polyphase Energy Metering
>  
>  maintainers:
>    - Antoniu Miclaus <antoniu.miclaus@analog.com>
>  
>  description: |
> -  The ADE9000, ADE9078 and ADE9430 are highly accurate, fully integrated,
> -  multiphase energy and power quality monitoring devices. Superior analog
> -  performance and a digital signal processing (DSP) core enable accurate energy
> -  monitoring over a wide dynamic range. An integrated high end reference ensures
> -  low drift over temperature with a combined drift of less than ±25 ppm/°C
> -  maximum for the entire channel including a programmable gain amplifier (PGA)
> -  and an analog-to-digital converter (ADC). The ADE9078 and ADE9430 do not
> -  provide the on-chip dip/swell detection available on the ADE9000, and the
> -  ADE9430 has no on-chip digital integrator (it uses an external analog
> -  integrator for Rogowski coils).
> +  The ADE9000, ADE9078, ADE9430 and ADE9039 are highly accurate, fully
> +  integrated, multiphase energy and power quality monitoring devices. Superior
> +  analog performance and a digital signal processing (DSP) core enable accurate
> +  energy monitoring over a wide dynamic range. An integrated high end reference
> +  ensures low drift over temperature with a combined drift of less than
> +  ±25 ppm/°C maximum for the entire channel including a programmable gain
> +  amplifier (PGA) and an analog-to-digital converter (ADC). The ADE9078 and
> +  ADE9430 do not provide the on-chip dip/swell detection available on the
> +  ADE9000 and the ADE9039, and the ADE9430 has no on-chip digital integrator
> +  (it uses an external analog integrator for Rogowski coils). The ADE9039 only
> +  computes fundamental reactive power and has no total reactive power register.
>  
>    https://www.analog.com/media/en/technical-documentation/data-sheets/ADE9000.pdf
>    https://www.analog.com/media/en/technical-documentation/data-sheets/ADE9078.pdf
>    https://www.analog.com/media/en/technical-documentation/data-sheets/ADE9430.pdf
> +  https://www.analog.com/media/en/technical-documentation/data-sheets/ADE9039.pdf
>  
>  $ref: /schemas/spi/spi-peripheral-props.yaml#
>  
> @@ -32,6 +34,7 @@ properties:
>    compatible:
>      enum:
>        - adi,ade9000
> +      - adi,ade9039
>        - adi,ade9078
>        - adi,ade9430
>  
> @@ -79,7 +82,9 @@ allOf:
>        properties:
>          compatible:
>            contains:
> -            const: adi,ade9078
> +            enum:
> +              - adi,ade9039
> +              - adi,ade9078
>      then:
>        properties:
>          spi-max-frequency:
> -- 
> 2.43.0
>