[PATCH 1/5] ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment

Anson Huang anson.huang at nxp.com
Thu Jan 9 00:25:03 PST 2020


Hi, Shawn

> Subject: Re: [PATCH 1/5] ARM: dts: imx6qdl-sabresd: Remove incorrect
> power supply assignment
> 
> On Mon, Dec 30, 2019 at 09:41:07AM +0800, Anson Huang wrote:
> > The vdd3p0's input should be from external USB VBUS directly, NOT
> 
> Shouldn't USB VBUS usually be 5V?  It doesn't seem to match 3.0V which is
> suggested by vdd3p0 name.
> 
> > PMIC's sw2, so remove the power supply assignment for vdd3p0.
> >
> > Fixes: 93385546ba36 ("ARM: dts: imx6qdl-sabresd: Assign corresponding
> > power supply for LDOs")
> 
> Is it only a description correcting or is it fixing a real problem?  I'm trying to
> understand it is a 5.5-rc material or can be applied for 5.6.
> 

It is fixing a real problem about USB LDO voltage, that is why we noticed this issue.

Thanks,
Anson.


More information about the linux-arm-kernel mailing list