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Message-ID: <186bc2b0-21e6-9fae-a273-ec71268bf95c@linaro.org>
Date:   Mon, 8 May 2023 21:55:13 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Zeynep Arslanbenzer <Zeynep.Arslanbenzer@...log.com>,
        lee@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, sre@...nel.org,
        lgirdwood@...il.com, broonie@...nel.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-pm@...r.kernel.org,
        Nurettin Bolucu <Nurettin.Bolucu@...log.com>
Subject: Re: [PATCH v3 2/7] dt-bindings: power: supply: max77658: Add ADI
 MAX77654/58/59 Charger

On 08/05/2023 21:45, Krzysztof Kozlowski wrote:
> 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@...log.com>
>> Signed-off-by: Zeynep Arslanbenzer <Zeynep.Arslanbenzer@...log.com>
>> ---
>>  .../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@...log.com>
>> +  - Zeynep Arslanbenzer <Zeynep.Arslanbenzer@...log.com>
>> +
>> +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?
> 

BTW,  this is duplicating constant-charge-current-max-microamp. If it
has different meaning, you need to explain this in description, not just
say what property name is saying.

Best regards,
Krzysztof

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