Re: [PATCH v3 2/7] dt-bindings: power: supply: max77658: Add ADI MAX77654/58/59 Charger

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On 08/05/2023 15:10, Zeynep Arslanbenzer wrote:
> Add ADI MAX77654/58/59 power supply devicetree document.
> 
> Signed-off-by: Nurettin Bolucu <Nurettin.Bolucu@xxxxxxxxxx>
> Signed-off-by: Zeynep Arslanbenzer <Zeynep.Arslanbenzer@xxxxxxxxxx>
> ---
>  .../power/supply/adi,max77658-charger.yaml    | 53 +++++++++++++++++++
>  1 file changed, 53 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/supply/adi,max77658-charger.yaml
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/adi,max77658-charger.yaml b/Documentation/devicetree/bindings/power/supply/adi,max77658-charger.yaml
> new file mode 100644
> index 000000000000..1b487d82cdbf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/adi,max77658-charger.yaml
> @@ -0,0 +1,53 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/power/supply/adi,max77658-charger.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Battery charger for MAX77658 PMICs family from ADI
> +
> +maintainers:
> +  - Nurettin Bolucu <Nurettin.Bolucu@xxxxxxxxxx>
> +  - Zeynep Arslanbenzer <Zeynep.Arslanbenzer@xxxxxxxxxx>
> +
> +description: |
> +  This module is part of the MAX77658 MFD device. For more details
> +  see Documentation/devicetree/bindings/mfd/adi,max77658.yaml.
> +
> +  The charger is represented as a sub-node of the PMIC node on the device tree.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,max77654-charger
> +      - adi,max77658-charger
> +      - adi,max77659-charger

What are the differences between them? Driver suggests they are
compatible. Your match data is empty there.

> +
> +  adi,input-current-limit-microamp:
> +    description: Input current limit value.

Your description is an exact copy of property name. That's not helpful.
What do you limit? Total current? Charging current? Top-off current?

You have default value, why it is not here? minimum/maximum?

> +
> +  monitored-battery:
> +    description: >
> +      This property must be a phandle to a node using the format described
> +      in battery.yaml, with the following properties being required:
> +      - constant-charge-current-max-microamp
> +
> +allOf:
> +  - $ref: power-supply.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - adi,max77659-charger
> +
> +    then:
> +      properties:
> +        adi,input-current-limit-microamp: false
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false
> +
> +...

Best regards,
Krzysztof




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