Re: [PATCH 2/3] arm64: dts: imx8mn-tqma8mqnl: restrict clock for SPI-NOR flash

[Fabio Estevam]

Hi Alexander,

On Tue, Oct 6, 2026 at 10:50 AM Alexander Stein
<alexander.stein@xxxxxxxxxxxxxxx> wrote:
>
> Am Dienstag, 6. Oktober 2026, 15:46:50 Mitteleuropäische Sommerzeit schrieb Frank Li:
> > On Tue, Oct 06, 2026 at 03:25:10PM +0200, Alexander Stein wrote:
> > > From: Markus Niebel <Markus.Niebel@xxxxxxxxxxxxxxx>
> > >
> > > The FlexSPI controller uses quad SPI with internal clock recovery.
> > > The clock is therefore restricted to 66.666666 MHz according to
> > > data sheet.
> >
> > Which datasheet? I suppose NOR flash datasheet, can you provide link
> > here.
>
> The i.MX8M Nano data sheet Rev 5 09/2022 section 3.9.1.1 "SDR mode with
> FlexSPIn_MCR0[RXCLKSRC] = 0x0, 0x1, 0x2" Table 55. "FlexSPI input timing
> in SDR mode where FlexSPIn_MCR0[RXCLKSRC] = 0x0" lists 66 Mhz maximum for
> "Frequency of operation".

>From the commit log, I also got the impression you were referring to
the SPI NOR datasheet.

Please clarify that in v2.

Also, shouldn't all patches in the series contain a Fixes: tag?