linux-kernel - Re: [PATCH v2] dt-bindings: power: Convert bq27xxx dt to yaml

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Date:   Mon, 11 May 2020 10:23:50 -0500
From:   Dan Murphy <dmurphy@...com>
To:     "Andrew F. Davis" <afd@...com>, <sre@...nel.org>
CC:     <linux-pm@...r.kernel.org>, <robh@...nel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Pali Rohár <pali@...nel.org>
Subject: Re: [PATCH v2] dt-bindings: power: Convert bq27xxx dt to yaml

Andrew

On 5/11/20 10:22 AM, Andrew F. Davis wrote:
> On 5/7/20 2:30 PM, Dan Murphy wrote:
>> Convert the bq27xxx.txt to yaml format
>>
>> CC: Pali Rohár <pali@...nel.org>
>> CC: Andrew F. Davis <afd@...com>
>> Signed-off-by: Dan Murphy <dmurphy@...com>
>> ---
>>   .../bindings/power/supply/bq27xxx.txt         | 56 ------------
>>   .../bindings/power/supply/bq27xxx.yaml        | 86 +++++++++++++++++++
>>   2 files changed, 86 insertions(+), 56 deletions(-)
>>   delete mode 100644 Documentation/devicetree/bindings/power/supply/bq27xxx.txt
>>   create mode 100644 Documentation/devicetree/bindings/power/supply/bq27xxx.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/power/supply/bq27xxx.txt b/Documentation/devicetree/bindings/power/supply/bq27xxx.txt
>> deleted file mode 100644
>> index 4fa8e08df2b6..000000000000
>> --- a/Documentation/devicetree/bindings/power/supply/bq27xxx.txt
>> +++ /dev/null
>> @@ -1,56 +0,0 @@
>> -TI BQ27XXX fuel gauge family
>> -
>> -Required properties:
>> -- compatible: contains one of the following:
>> - * "ti,bq27200" - BQ27200
>> - * "ti,bq27210" - BQ27210
>> - * "ti,bq27500" - deprecated, use revision specific property below
>> - * "ti,bq27510" - deprecated, use revision specific property below
>> - * "ti,bq27520" - deprecated, use revision specific property below
>> - * "ti,bq27500-1" - BQ27500/1
>
> This doesn't look right, these are two parts, we should be specific in
> DT, so:
>
> ti,bq27500
> ti,bq27501
>
> should be separate like that.

I agree if they are 2 different parts but the code has

     { .compatible = "ti,bq27500-1" },

But it has no consumers.

So the ti,bq27500-1 compatible should be deprecated and ti,bq27501  
should be added and the ti,bq27500 should be reinstated.

Dan