Hi Doug, Am Montag, 15. Dezember 2014, 16:22:20 schrieb Doug Anderson: > Specifying these rails should eventually let us do UHS. > > Signed-off-by: Doug Anderson <dianders at chromium.org> > --- > Changes in v3: None > Changes in v2: > - Fix subject line > > arch/arm/boot/dts/rk3288-evb.dtsi | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi > b/arch/arm/boot/dts/rk3288-evb.dtsi index 3e067dd..d660fe6 100644 > --- a/arch/arm/boot/dts/rk3288-evb.dtsi > +++ b/arch/arm/boot/dts/rk3288-evb.dtsi > @@ -114,6 +114,8 @@ > pinctrl-names = "default"; > pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>; > status = "okay"; > + vmmc-supply = <&vcc_io>; according to the schematics there is a switch between the card and vcc_io with a controlling pin called SDMMC_PWR providing a supply called vcc_sd. So there should probably be a fixed-regulator get introduced for this, like the older rockchip boards do. Heiko
