[PATCH] ARM: dts: imx6: Add Embest MarS Board

Catalin Crenguta catalin.crenguta at gmail.com
Sun Apr 26 23:47:46 PDT 2015


Hi Lucas,

On Fri, Apr 24, 2015 at 3:28 PM, Lucas Stach <l.stach at pengutronix.de> wrote:
> Hi Catalin,
>
> This may as well be a signaling issue. You could try to slow down the
> the MMC bus speed or play a bit with the pin drive strength values. Note
> that in those cases _reducing_ the drive strength may be the right thing
> to do.
>

Thank you!
I have managed to get it working after changing the drive strength to
260 Ohm and speed to 50 MHz.
Changing only the speed to 50 MHz didn't work, I had to also change
the drive strength. I haven't tested other values.
Maybe this can be pushed to mainline?

> Regards,
> Lucas

Best regards,
Catalin



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