Re: Correct DT properties for Arasan controller

[Marc Gonzalez <marc_gonzalez@sigmadesigns.com>]

On 19/11/2015 22:42, Alan Cooper wrote:

>>>                       cap-sd-highspeed;
>>>                       sd-uhs-sdr12;
>>>                       sd-uhs-sdr25;
>>>                       sd-uhs-sdr50;
>>>                       sd-uhs-ddr50;
>>>                       sd-uhs-sdr104;
> 
> These values normally come from the Host Controllers CAPS registers
> and are only needed if the CAPS register setting are incorrect.

Using a 4 GB microSDHC card + SD adapter, I get read speeds of
17.3 MB/s (4072669184 bytes in 236 seconds).
Is that an expected value? SDR25 should be 25 MB/s.
Perhaps I need to buy a better card.

>>> - cap-mmc-hw-reset: eMMC hardware reset is supported
> 
> This is only set if the driver supplies a hw_reset callback and the
> Arasan driver does not.

OK.

>>> - cap-sdio-irq: enable SDIO IRQ signalling on this interface
> 
> This is only set if the driver supplies a enable_sdio_irq and the
> Arasan driver does not.

Can't it use a generic implementation, such as sdhci_enable_sdio_irq?

Regards.