Hi, śr., 16 gru 2020 o 08:46 <kostap@xxxxxxxxxxx> napisał(a): > > From: Marcin Wojtas <mw@xxxxxxxxxxxx> > > This patch adds necessary flags in the device tree > which enable HS400 mode on AP807 MMC controller > on the CN913x-DB board. > > Signed-off-by: Marcin Wojtas <mw@xxxxxxxxxxxx> > --- > arch/arm64/boot/dts/marvell/cn9130-db.dts | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/marvell/cn9130-db.dts b/arch/arm64/boot/dts/marvell/cn9130-db.dts > index ce49a70d88a0..79020e6d2792 100644 > --- a/arch/arm64/boot/dts/marvell/cn9130-db.dts > +++ b/arch/arm64/boot/dts/marvell/cn9130-db.dts > @@ -113,6 +113,8 @@ > &ap_sdhci0 { > pinctrl-names = "default"; > bus-width = <8>; > + mmc-ddr-1_8v; > + mmc-hs400-1_8v; > vqmmc-supply = <&ap0_reg_sd_vccq>; > status = "okay"; > }; I can confirm all works fine on top of the mmc next branch: [ 3.591989] mmc0: new HS400 MMC card at address 0001 Best regards, Marcin