[PATCH 3/3] ARM: S5PV210: Add voltage consumer of WM8994 to the regulator framework

Kyungmin Park kmpark at infradead.org
Fri Oct 1 04:25:43 EDT 2010

On Fri, Oct 1, 2010 at 4:24 PM, Mark Brown
<broonie at opensource.wolfsonmicro.com> wrote:
> On Fri, Oct 01, 2010 at 02:40:02PM +0900, Kyungmin Park wrote:
>> FYI: now wm8994 codec is connected to I/O power directly. and there's
>> no connection with PMIC.
> Presumably there's a power rail connection...
>> Maybe you mean the I/O power LDO and use it. but it's always on in
>> case of s5pc110.
> ...like this.
>> and can't turn off the this LDO on max8998 except the sleep.
> It's still good to show the actual connection on the board for clarity -
> like I say, the regulator API can handle always on regulators and
> keeping the regulator setup in software close to the schematic helps
> make the code easier to follow.

It's best but in most case schematic is confidential. so it's impossible.

And as you concerns there's no power issues related with codes. it's
already verified design. I think wolfsonmicro already confirmed.

Thank you,
Kyungmin Park

More information about the linux-arm-kernel mailing list