[RFC PATCH 03/11] DT: regulator: Helper routine to extract regulator_init_data

Rob Herring robherring2 at gmail.com
Thu Sep 15 14:17:32 EDT 2011


On 09/15/2011 08:44 AM, Mark Brown wrote:
> On Thu, Sep 15, 2011 at 04:51:59PM +0530, Rajendra Nayak wrote:
> 
>>  .../devicetree/bindings/regulator/regulator.txt    |   37 +++++++++
>>  drivers/of/Kconfig                                 |    6 ++
>>  drivers/of/Makefile                                |    1 +
>>  drivers/of/of_regulator.c                          |   85 ++++++++++++++++++++
>>  include/linux/of_regulator.h                       |   23 +++++
> 
> Don't go hiding the bindings for things away from the code they're
> binding.  Bindings for the regualtor API are a regulator API thing and
> should be part of the regulator API code.
> 

Agreed, but FYI not all subsystem maintainers agree. Moving of_i2c.c
into i2c was rejected.

Rob

>> +Required properties:
>> +- compatible: Must be "regulator";
> 
> Is this idiomatic or should we just have a helper that parses a big list
> of properties from the device node?
> 
>> +- mode-fast: boolean, Can handle fast changes in its load
>> +- mode-normal: boolean, Normal regulator power supply mode
>> +- mode-idle: boolean, Can be more efficient during light loads
>> +- mode-standby: boolean, Can be most efficient during light loads
> 
> I guess these are actually permissions to set the given modes?  The
> documentation should be clearer.
> 
>> +- apply-uV: apply uV constraint if min == max
> 
> This seems a bit Linux/runtime policy specific (especially the last
> bit).
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