Re: [PATCH 1/5] arm: mxs: Provide Kconfig option to to not use VDD5V as IMX28 PMU source

Lukasz Majewski
2023-05-09T14:46:49Z

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Hi Marek,

> On 5/9/23 16:32, Lukasz Majewski wrote:
> > This option sets the current limit for 5V source to zero, so all
> > the PMU outputs are primarily powered from battery source
> > (DCDC_BAT).
> >
> > This option may be set on systems, where the 5V is NOT supposed to
> > be in any scenario powering the system - for example on systems
> > where DCDC_BAT is connected to fixed and regulated 4.2V source (so
> > the "battery" is not present).
>
> Is it possible to dig this information out of DT or is the DT not
> available in SPL for this platform ?

This platform uses only SPL_OF_PLATDATA to keep the SPL size < 40 KiB.

I would prefer to keep this as Kconfig as the PMU driver is not
supporting DT and in fact now ARCH_MX28 only has two boards supported -
XEA and imx28evk.

Best regards,

Lukasz Majewski

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