[Letux-kernel] [PATCH 1/2] configs: ARM: omap2plus: Enable OMAP3_THERMAL

[Andreas Kemnade]

On Wed, 23 Oct 2019 06:41:11 +0200
"H. Nikolaus Schaller" <hns at goldelico.com> wrote:

> > Am 23.10.2019 um 00:19 schrieb Tony Lindgren <tony at atomide.com>:
> > 
> > * Adam Ford <aford173 at gmail.com> [191022 19:01]:  
> >> On Tue, Oct 22, 2019 at 11:22 AM Tony Lindgren <tony at atomide.com> wrote:  
> >>> 
> >>> Hi,
> >>> 
> >>> * Adam Ford <aford173 at gmail.com> [191007 15:06]:  
> >>>> The some in the OMAP3 family have a bandgap thermal sensor, but
> >>>> omap2plus has it disabled.
> >>>> 
> >>>> This patch enables the OMAP3_THERMAL by default like the rest of
> >>>> the OMAP family.  
> >>> 
> >>> Looks like this breaks off mode during idle for omap3, and that's
> >>> probably why it never got enabled. The difference in power
> >>> consumption during idle is about 7mW vs 32mW for the SoC as
> >>> measured from torpedo shunt for main_battery_som.
> >>> 
= interesting fact: 32mW = around 10mA suspend current?
  so we have a nearly 10mA buried in power savings here?!

I have seen something around 13mA with GTA04A5.
Ok, that is something interesting to try.

Regards,
Andreas
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