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

From: Shawn Guo
Date: Sun Mar 07 2021 - 20:31:15 EST


On Thu, Mar 04, 2021 at 10:31:39AM +0100, Philippe Schenker 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>

Applied, thanks.