Re: [Patch V5] drivers: power: Add support for bq24735 charger

[Rhyland Klein <rklein@nvidia.com>]

On 10/14/2013 2:21 PM, Stephen Warren wrote:
> On 10/11/2013 03:15 PM, Rhyland Klein wrote:
>> From: Darbha Sriharsha <dsriharsha@nvidia.com>
>>
>> Adds support for the bq24735 charger chipset. The bq24735 is a
>> high-efficiency, synchronous battery charger.
>>
>> It allows control of the charging current, input current, and the charger
>> voltage DAC's through SMBus.
> 
> Please CC the DT bindings maintainers on patches that add DT bindings.

Oops, sorry, will do in the future.

> 
>> diff --git a/Documentation/devicetree/bindings/power_supply/ti,bq24735.txt b/Documentation/devicetree/bindings/power_supply/ti,bq24735.txt
> 
>> +Optional properties :
> 
>> + - ti,ac-detect-gpios : This GPIO is optionally used to read the AC adapter
>> +   presence.
> 
> Is that actually a property of the BQ24735 chip itself (i.e. is it an
> output signal from the chip), or part of the board/system?

The gpio itself is actually what the IRQ line is tied to from the
bq24735 -> tegra (in this case). In other words this is a Host GPIO that
is configured as an input and connected to the bq24735.

-rhyland

> 
> Aside from that, the binding looks reasonable to me (although I'm no
> longer a DT bindings maintainer).
> 


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