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

Sergey Matyukevich
2017-11-04T16:22:06Z

> > > 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.
>
>
> I'm using same v1.0

Ok, lets skip this patch for now.

I will double check v1.0 schematics and my board behavior.
Though I see that mmc0 dts fragment in u-boot for this board
also differs from the current kernel one: it uses 'cd-inverted' property.

Regards,
Sergey