[PATCH 1/2] mmc: mmc_of_parse: Enable 52 MHz support with "cap-mmc-highspeed"

[Patrick DELAUNAY]

Hi Peng,

> From: Uboot-stm32 <uboot-stm32-bounces at st-md-mailman.stormreply.com> On
> Behalf Of Patrick DELAUNAY
> 
> Hi,
> 
> > From: Alexandru Gagniuc <mr.nuke.me at gmail.com>
> > Sent: mardi 15 septembre 2020 21:52
> >
> > "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.me at gmail.com>
> > ---
> >  drivers/mmc/mmc-uclass.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> 
> Reviewed-by: Patrick Delaunay <patrick.delaunay at st.com>
> Tested-by: Patrick Delaunay <patrick.delaunay at st.com>
> 
> Tested on STM32MP157C-EV1, for mmc 1 = emmc with patch [1]
> 
> 	Mode: MMC High Speed (52MHz)
> 
> [1]: mmc: stm32_sdmmc2: Use mmc_of_parse() to read host capabilities
>      http://patchwork.ozlabs.org/project/uboot/patch/20200909215402.366561-1-
> mr.nuke.me at gmail.com/

Today this patch is delegate to me in patchwork even it is a mmc core patch:

http://patchwork.ozlabs.org/project/uboot/list/?series=201912

You are OK if I integrate this patch in my stm32 pull request for v2020.01-rc1 or
I delegate to you ?

> 
> Thanks
> 
> Patrick
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