Re: [PATCH] ARM: dts: colibri-imx6ull: Change drive strength for usdhc2

[Fabio Estevam]

Hi Philippe,

On Thu, Mar 4, 2021 at 6:31 AM Philippe Schenker
<philippe.schenker@xxxxxxxxxxx> wrote:
>
> The current setting reflects about 86 Ohms of source-impedance
> on the SDIO signals where the WiFi board is hooked up. PCB traces are
> routed with 50 Ohms impedance and there are no serial resistors on
> those traces.
>
> This commit changes the source-impedance to 52 Ohms to better match our
> hardware design.
>
> The impedances given in this commit message refer to 3.3V operation.
>
> Signed-off-by: Philippe Schenker <philippe.schenker@xxxxxxxxxxx>

Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>