[PATCH 2/2] arm64: dts: imx8mn-beacon: Fix HS400 USDHC clock speed

[Fabio Estevam]

On Fri, Jun 20, 2025 at 6:34 PM Adam Ford <aford173 at gmail.com> wrote:
>
> The reference manual for the i.MX8MN states the clock rate in
> MMC mode is 1/2 of the input clock, therefore to properly run
> at HS400 rates, the input clock must be 400MHz to operate at
> 200MHz.  Currently the clock is set to 200MHz which is half the
> rate it should be, so the throughput is half of what it should be
> for HS400 operation.
>
> Fixes: 36ca3c8ccb53 ("arm64: dts: imx: Add Beacon i.MX8M Nano development kit")
> Signed-off-by: Adam Ford <aford173 at gmail.com>

Reviewed-by: Fabio Estevam <festevam at gmail.com>