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

From: Rob Herring
Date: Mon Oct 03 2016 - 13:37:22 EST


On Fri, Sep 23, 2016 at 03:01:08PM -0500, Zach Brown wrote:
> Certain board configurations can make highspeed malfunction 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 sd-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>