[PATCH] ARM: dts: imx8mq-evk: Remove u-boot,off-on-delay-us property
Peng Fan
peng.fan at nxp.com
Tue Feb 23 03:04:38 CET 2021
> Subject: Re: [PATCH] ARM: dts: imx8mq-evk: Remove u-boot,off-on-delay-us
> property
>
> Hi Peng,
>
> On Mon, Feb 22, 2021 at 10:53 PM Peng Fan <peng.fan at nxp.com> wrote:
>
> > It is board dependent, some board may has a big capacitance, the
> > off-on-delay is to give enough time for the capacitance to leak its
> > voltage.
>
> Ok, but not clear from your comment if you agree with my change or not.
I think remove it is not correct, the exact time should be measured using
oscilloscope, removing it might make sd3.0 not work. But anyway 20000 seems
too large a value.
Regards,
Peng.
>
> Please clarify.
More information about the U-Boot
mailing list