[PATCH 2/2] arm64: dts: imx8mm/mn/mp: limit the max frequency of spi nor chip
Fabio Estevam
festevam at gmail.com
Tue Sep 16 02:42:03 PDT 2025
Hi Haibo,
On Tue, Sep 16, 2025 at 5:57 AM Haibo Chen <haibo.chen at nxp.com> wrote:
>
> The spi nor on imx8mm/mn/mp evk board works under SDR mode, and
> driver use FlexSPIn_MCR0[RXCLKSRC] = 0x0 for SDR mode.
> According to the datasheet, there is IO limitation on these chips,
> the max frequency of such case is 66MHz, so add the limatation here
Typo: limitation.
> to align with datasheet.
>
> Refer to 3.9.9 FlexSPI timing parameters on page 65.
> https://www.nxp.com/docs/en/data-sheet/IMX8MNCEC.pdf
Fixes tag?
More information about the linux-arm-kernel
mailing list