linux-kernel - Re: [PATCH v3 2/5] dt-bindings: power: supply: Max17040: Add low level SOC alert threshold

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Date:   Sun, 2 Jun 2019 18:38:26 -0300
From:   Matheus Castello <matheus@...tello.eng.br>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     sre@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Bartłomiej Żołnierkiewicz 
        <b.zolnierkie@...sung.com>, lee.jones@...aro.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/5] dt-bindings: power: supply: Max17040: Add low
 level SOC alert threshold

> On Mon, 27 May 2019 at 04:45, Matheus Castello <matheus@...tello.eng.br> wrote:
>>
>> For configure low level state of charge threshold alert signaled from
>> max17040 we add "maxim,alert-low-soc-level" property.
>>
>> Signed-off-by: Matheus Castello <matheus@...tello.eng.br>
>> ---
>>   .../power/supply/max17040_battery.txt         | 28 +++++++++++++++++++
>>   1 file changed, 28 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/power/supply/max17040_battery.txt
>>
>> diff --git a/Documentation/devicetree/bindings/power/supply/max17040_battery.txt b/Documentation/devicetree/bindings/power/supply/max17040_battery.txt
>> new file mode 100644
>> index 000000000000..a13e8d50ff7b
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/power/supply/max17040_battery.txt
>> @@ -0,0 +1,28 @@
>> +max17040_battery
>> +~~~~~~~~~~~~~~~~
>> +
>> +Required properties :
>> + - compatible : "maxim,max17040" or "maxim,max77836-battery"
> 
> One more comment. The datasheet for max17040 says that there is on
> ALERT pin and ALERT bits in RCOMP register. Which device are you
> using? If it turns out that max17040 does not support it, then the
> driver and bindings should reflect this - interrupts should not be set
> on max17040.
> 

Yes you are right, max17040 have no ALERT pin. I am using max17043. Let 
me know what you think would be best, put a note about it in the 
description, add a compatibles like "maxim,max17043" and 
"maxim,max17044"? What do you think?

Best Regards,
Matheus Castello

> Best regards,
> Krzysztof
>