linux-kernel - Re: [PATCH 1/3] dt-bindings: mfd: qcom,spmi-pmic: Add pm8916 vm-bms and lbc

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Date:   Sun, 17 Sep 2023 10:32:16 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Nikita Travkin <nikita@...n.ru>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH 1/3] dt-bindings: mfd: qcom,spmi-pmic: Add pm8916 vm-bms
 and lbc

On 17/09/2023 10:26, Nikita Travkin wrote:
> Krzysztof Kozlowski писал(а) 17.09.2023 12:58:
>> On 16/09/2023 15:57, Nikita Travkin wrote:
>>> PM8916 (and probably some other similar pmics) have hardware blocks for
>>> battery monitoring and charging. Add patterns for respecive nodes so the
>>
>> typo: respective
>>
> 
> Oops, will fix if we get to v2.
> 
>>> dt for those blocks can be validated properly.
>>>
>>> Signed-off-by: Nikita Travkin <nikita@...n.ru>
>>> ---
>>> Schemas for those devices were added in [1].
>>
>> "Dependency"
>>
> 
> You are right, will try to word it better next time.
> 
>>>
>>> [1] https://lore.kernel.org/r/20230915-pm8916-bms-lbc-v3-0-f30881e951a0@trvn.ru
>>> ---
>>>  Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml | 6 ++++++
>>>  1 file changed, 6 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml b/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml
>>> index 9f03436b1cdc..8bcd76748faa 100644
>>> --- a/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml
>>> +++ b/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml
>>> @@ -133,9 +133,15 @@ patternProperties:
>>>      type: object
>>>      $ref: /schemas/sound/qcom,pm8916-wcd-analog-codec.yaml#
>>>
>>> +  "^battery@[0-9a-f]+$":
>>> +    type: object
>>> +    oneOf:
>>> +      - $ref: /schemas/power/supply/qcom,pm8916-bms-vm.yaml#
>>
>> That's just ref, so no need for oneOf... unless you already think this
>> will grow with different schemas like the charger below?
>>
> 
> Yes, I think some other PMICs have different battery/fuel-gauge
> blocks too so I'd like to have some room for expansion here.

There is always room. Which other device will have different battery
charger?

Best regards,
Krzysztof