imx8mp: issues getting dtb with pcie enabled to boot

[Simon Glass]

Hi,

On Fri, 7 Jul 2023 at 14:34, Fabio Estevam <festevam at gmail.com> wrote:
>
> Adding Marcel and Francesco.
>
> On Fri, Jul 7, 2023 at 5:30 PM Sahaj Sarup <sahaj.sarup at linaro.org> wrote:
> >
> > Hi,
> > I am working on the imxmp-verdin platform. One of the quirks with
> > this particular som is that it uses an internal pcie_phy clock instead
of
> > an external one like most imx8mp boards do.
> > To get this working on mainline linux, the way clocks are defined for
the
> > pcie_phy is
> > `clocks = <&hsio_blk_ctrl>;`
> > However this causes u-boot to completely fail to boot with this
> > error `Device tree error at node '__symbols__'` .

That looks like a strange error was found when trying to read the
compatible string from the node. It wasn't -FDT_ERR_NOTFOUND. See
lists_bind_fdt().

Perhaps we need to ignore the __symbols__ node?

> >
> > My end goal is to boot a generic arm image over pcie nvme, I don't know
if
> > this would be possible but atleast a compatible device tree would be a
good
> > starting point.
> >
> > Thanks.

Regards,
Simon