[PATCH] ARM: dts: imx8mq-evk: Remove u-boot,off-on-delay-us property

[Peng Fan (OSS)]

> -----Original Message-----
> From: Fabio Estevam [mailto:festevam at gmail.com]
> Sent: 2021年2月23日 10:11
> To: Peng Fan <peng.fan at nxp.com>
> Cc: sbabic at denx.de; u-boot at lists.denx.de; trini at konsulko.com;
> lorusak at gmail.com; andrey.zhizhikin at leica-geosystems.com
> Subject: Re: [PATCH] ARM: dts: imx8mq-evk: Remove u-boot,off-on-delay-us
> property
> 
> On Mon, Feb 22, 2021 at 11:04 PM Peng Fan <peng.fan at nxp.com> wrote:
> 
> > 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.
> 
> Do you plan to submit a fix for this then? If you don't have the bandwidth for
> working on this, then we could go with my proposal.
> 
> I would like to be able to boot a kernel from the SD card in the
> 2021.04 release and fix the regression.
> 
> Also, why don't we have such property in the imx8mq-evk.dts in the kernel?
> 
> I don't think U-Boot dts should deviate from the Linux devicetree in this
> aspect.

See
https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8mq-evk.dts?h=imx_5.4.70_2.3.0#n100

NXP vendor tree has off-on-delay-us.

Regards
Peng.