On Mon, 2020-03-09 at 21:00 +0100, Stefan Wahren wrote:
> Hi Nicolas,
> 
> Am 06.03.20 um 18:44 schrieb Nicolas Saenz Julienne:
> > The SD card power can be controlled trough a pin routed into the board's
> > external GPIO expander. Turn that into a regulator and provide it to
> > emmc2.
> > 
> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
> > ---
> >  arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 11 +++++++++++
> >  1 file changed, 11 insertions(+)
> > 
> > diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> > b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> > index b0ea8233b636..a2da058396fe 100644
> > --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> > +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> > @@ -55,6 +55,16 @@ sd_io_1v8_reg: sd_io_1v8_reg {
> >  			  3300000 0x0>;
> >  		status = "okay";
> >  	};
> > +
> > +	sd_vcc_reg: sd_vcc_reg {
> > +		compatible = "regulator-fixed";
> 
> i think we need to enable CONFIG_REGULATOR_FIXED_VOLTAGE in
> bcm2835_defconfig

I'll take it into account for v3,

Thanks!
Nicolas