Re: [PATCH v4 1/2] dt-bindings: iio: adc: add support for PAC1944

[Conor Dooley]

On Fri, May 15, 2026 at 12:29:45PM +0300, marius.cristea@xxxxxxxxxxxxx wrote:
> +
> +      microchip,accumulation-mode:
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        description:
> +          The Hardware Accumulator may be used to accumulate VPOWER or VSENSE
> +          values for any channel. By setting the accumulator for a channel
> +          to accumulate the VPOWER values gives a measure of accumulated power
> +          over a time period, which is equivalent to energy. Setting the
> +          accumulator for a channel to accumulate VSENSE values gives a measure
> +          of accumulated current, which is equivalent to charge. This allows the
> +          accumulator to be used as a coulomb counter.
> +          This functionality needs to be setup once and must not be changed
> +          during the runtime, just in case the user wants to measure the charge
> +          or the energy consumed from board power up till the user has control
> +          or during a reboot of the system.
> +          The Hardware Accumulator could be configured to accumulate VPOWER
> +          or VSENSE
> +            <0>  -  Accumulator accumulates VPOWER (default)
> +            <1>  -  Accumulator accumulates VSENSE
> +        enum: [0, 1]
> +        default: 0

I think you should make this a string property, 0/1 don't mean anything
here, whereas "vpower" and "vsense" would be very clear.

Otherwise, this looks okay to me I think, other than
> +  - if:
> +      required:
> +        - slow-gpios
> +    then:
> +      properties:
> +        interrupts:
> +          maxItems: 1
> +        interrupt-names:
> +          oneOf:
> +            - items:
> +                - const: alert2

this, which shouldn't need the "oneOf" at all.

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