[U-Boot] [PATCH 2/3] configs: dra7xx_evm: am57xx_evm: Enable DM_REGULATOR_PBIAS

Lokesh Vutla lokeshvutla at ti.com
Thu Jul 13 13:45:59 UTC 2017



On 7/13/2017 5:15 AM, Tom Rini wrote:
> On Thu, Jul 13, 2017 at 12:18:43AM +0530, Lokesh Vutla wrote:
>>
>>
>> On 7/12/2017 11:01 PM, Tom Rini wrote:
>>> On Wed, Jul 12, 2017 at 07:16:27PM +0530, Lokesh Vutla wrote:
>>>
>>>> + Andrew
>>>>
>>>> On 7/12/2017 3:25 PM, Jean-Jacques Hiblot wrote:
>>>>> This regulator is used for voltage switching on MMC1 IO lines.
>>>>
>>>> Can you enable on HS platforms as well.
>>>
>>> Is this a SoC thing (which includes a strongly encouraged to use in
>>> designs) or a board choice (you really can expect to find custom boards
>>> that wouldn't want this) ?  I'm asking because it sounds like perhaps we
>>> should be imply'ing somewhere instead so that HS and EVM and custom
>>> boards are in sync.  Thanks!
>>
>> Regulators are a board choice. Yes, that makes sense. These can be
>> implied for TARGET_DRA7XX_EVM.
> 
> And that's really true?  I ask since I recall there's some SoCs where
> it's a lot more theoretical than practical to have a PMIC other than the

Well, it is still possible to use a different PMIC and I guess it is
better to stick it that way.

> one the EVM uses.  But, yes, board level imply is the way to go then.
> The rule of thumb should be that if it's not really optional, the board
> or SoC should imply it if there's a reason to not have it, or select it
> if it's required.
> 

Jean,
	Can you repost the patch as Tom suggested?

Thanks and regards,
Lokesh



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