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

Shawn Guo shawnguo at kernel.org
Mon Mar 8 01:30:30 GMT 2021


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 at toradex.com>

Applied, thanks.



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