Hi Alexndru On 9/15/20 9:51 PM, Alexandru Gagniuc wrote: > "cap-mmc-highspeed" enables support for 26 MHz MMC, but there is no > additional flag to enable 52 MHz MMC. In Linux. "cap-mmc-highspeed" > is used for MMC HS at both 26MHz and 52MHz. > > Use the same approach and enable MMC_CAP(MMC_HS_52) host capability > when "cap-mmc-highspeed" is found in the devicetree. In the event an > MMC card doesn't support 52 MHz, it will be clocked at a speed based > on its EXT CSD, even on 52 MHz host controllers > > Signed-off-by: Alexandru Gagniuc <mr.nuke...@gmail.com> > --- > drivers/mmc/mmc-uclass.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c > index 90690c8d1e..6d2310eff3 100644 > --- a/drivers/mmc/mmc-uclass.c > +++ b/drivers/mmc/mmc-uclass.c > @@ -198,7 +198,7 @@ int mmc_of_parse(struct udevice *dev, struct mmc_config > *cfg) > if (dev_read_bool(dev, "cap-sd-highspeed")) > cfg->host_caps |= MMC_CAP(SD_HS); > if (dev_read_bool(dev, "cap-mmc-highspeed")) > - cfg->host_caps |= MMC_CAP(MMC_HS); > + cfg->host_caps |= MMC_CAP(MMC_HS) | MMC_CAP(MMC_HS_52); > if (dev_read_bool(dev, "sd-uhs-sdr12")) > cfg->host_caps |= MMC_CAP(UHS_SDR12); > if (dev_read_bool(dev, "sd-uhs-sdr25"))
Reviewed-by: Patrice Chotard <patrice.chot...@st.com> Thanks