Re: [RFC v2 1/2] sdhci: Add device tree property broken-highspeed

From: Rob Herring
Date: Tue Oct 18 2016 - 09:18:09 EST


On Wed, Oct 12, 2016 at 01:40:55PM -0500, Zach Brown wrote:
> Certain board configurations can make highspeed malfuction due to timing
> issues. In these cases a way is needed to force the controller and card
> into standard speed even if they otherwise appear to be capable of
> highspeed.
>
> The broken-highspeed property will let the sdhci driver know that
> highspeed will not work.
>
> Signed-off-by: Zach Brown <zach.brown@xxxxxx>
> ---
> Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++
> 1 file changed, 2 insertions(+)

Acked-by: Rob Herring <robh@xxxxxxxxxx>