[PATCH 1/2] arm64: dts: orange-pi-zero-plus2: fix sdcard detect

[geomatsi@gmail.com (Sergey Matyukevich)]

Hello Maxime,

> > > > The sdcard detect pin on orange-pi-zero-plus2 is pulled up.
> > > > Fix cd-gpio description to enable sdcard detect.
> > > >
> > > > Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
> > > > ---
> > > >  arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
> > > > index b6b7a561df8c..a42fd79a62a3 100644
> > > > --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
> > > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
> > > > @@ -71,7 +71,7 @@
> > > >         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
> > > >         vmmc-supply = <&reg_vcc3v3>;
> > > >         bus-width = <4>;
> > > > -       cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
> > > > +       cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
> > > 
> > > Was able to detect and do mount with existing dts
> > 
> > Did you try to boot from sdcard ? I am not able to boot my board from
> > sd-card without this change. As I mentioned earlier in my email
> > to buildroot mailing list, with mmc debug enabled I see that mmc
> > tries to init sd-card when I remove it from the slot.
> > 
> > Maybe there is a minor differences between h/w versions or batches ?
> > What is you board version ? I tested on board v1.0.
> 
> Looking at the schematics, it definitely looks like it's active low.

Is it ok to merge it then ? Or using 'cd-inverted' property
is the preferable option ?

Regards,
Sergey