Re: [PATCH v3 1/2] dt-bindings: hwmon: Add LTC4282 bindings

[Conor Dooley <conor@kernel.org>]

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On Tue, Dec 05, 2023 at 04:22:55PM +0100, Nuno Sa via B4 Relay wrote:

> +  adi,overvoltage-dividers:
> +    description: |
> +      Select which dividers to use for VDD Overvoltage detection. Note that
> +      when the internal dividers are used the threshold is referenced to VDD.
> +      The percentages in the datasheet are misleading since the actual values
> +      to look for are in the "Absolute Maximum Ratings" table in the
> +      "Comparator Inputs" section. In there there's a line for each of the 5%,
> +      10% and 15% settings with the actual min, typical and max tolerances.
> +    $ref: /schemas/types.yaml#/definitions/string
> +    enum: [external, vdd_5_percent, vdd_10_percent, vdd_15_percent]
> +
> +  adi,undervoltage-dividers:
> +    description: |
> +      Select which dividers to use for VDD Overvoltage detection. Note that
> +      when the internal dividers are used the threshold is referenced to VDD.
> +      The percentages in the datasheet are misleading since the actual values
> +      to look for are in the "Absolute Maximum Ratings" table in the
> +      "Comparator Inputs" section. In there there's a line for each of the 5%,
> +      10% and 15% settings with the actual min, typical and max tolerances.
> +    $ref: /schemas/types.yaml#/definitions/string
> +    enum: [external, vdd_5_percent, vdd_10_percent, vdd_15_percent]

> +  adi,gpio1-mode:
> +    description: Defines the function of the Pin. It can indicate that power is
> +      good (PULL the pin low when power is not good) or that power is bad (Go
> +      into high-z when power is not good).
> +    $ref: /schemas/types.yaml#/definitions/string
> +    enum: [power_bad, power_good]
> +
> +  adi,gpio2-mode:
> +    description: Defines the function of the Pin. It can be set as the input for
> +      the ADC or indicating that the MOSFET is in stress (dissipating power).
> +    $ref: /schemas/types.yaml#/definitions/string
> +    enum: [adc_input, stress_fet]

None of these properties have a default nor are required.
What happens when they are omitted?

Thanks,
Conor.

> +
> +required:
> +  - compatible
> +  - reg
> +  - adi,rsense-nano-ohms

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