linux-kernel - Re: [PATCH v2 4/4] mfd: max77620: add documentation for low battery monitoring

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Date:   Thu, 31 Jan 2019 10:29:25 +0800
From:   Mark Zhang <markz@...dia.com>
To:     Rob Herring <robh@...nel.org>
CC:     <lee.jones@...aro.org>, <blaws05@...il.com>,
        <mark.rutland@....com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH v2 4/4] mfd: max77620: add documentation for low battery
 monitoring

On 1/31/2019 3:53 AM, Rob Herring wrote:
> On Tue, Jan 29, 2019 at 04:55:31PM +0800, Mark Zhang wrote:
>> Adding documentation for low battery monitor properties:
>> - maxim,low-battery-dac-enable
>> - maxim,low-battery-dac-disable
>> - maxim,low-battery-shutdown-enable
>> - maxim,low-battery-shutdown-disable
>> - maxim,low-battery-reset-enable
>> - maxim,low-battery-reset-disable
>>
>> Signed-off-by: Mark Zhang <markz@...dia.com>
>> ---
>>  Documentation/devicetree/bindings/mfd/max77620.txt | 14 ++++++++++++++
>>  1 file changed, 14 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/mfd/max77620.txt b/Documentation/devicetree/bindings/mfd/max77620.txt
>> index 484b17e4fba5..5fed0a463b80 100644
>> --- a/Documentation/devicetree/bindings/mfd/max77620.txt
>> +++ b/Documentation/devicetree/bindings/mfd/max77620.txt
>> @@ -142,6 +142,20 @@ Optional properties:
>>  			Device supports 100/1000/3000/6000 Ohms.
>>  			Default will be set to 1000 Ohm.
>>  
>> +Low-Battery Monitor:
>> +==================
>> +This sub-node configure low battery monitor configuration registers. Device has
>> +support for low-battery monitor configuration through child DT node
>> +"low-battery-monitor".
>> +
>> +Optional properties:
>> +	- maxim,low-battery-dac-enable: Enable low battery DAC.
>> +	- maxim,low-battery-dac-disable: Disable low battery DAC.
>> +	- maxim,low-battery-shutdown-enable: Enable low battery shutdown.
>> +	- maxim,low-battery-shutdown-disable: Disable low battery shutdown.
>> +	- maxim,low-battery-reset-enable: Enable low battery reset.
>> +	- maxim,low-battery-reset-disable: Disable low battery reset.
> 
> Do you really need 3 states with the 3rd being prop not present.

Yeah, so I think we can just keep 3 of them and shorten the names a little bit
(lbm stands for "low battery monitoring"):
- maxim,lbm-dac-enable
- maxim,lbm-shutdown-enable
- maxim,lbm-reset-enable

Does this look good to you?
Mark

> 
> Rob
>