2017年3月15日 15:16于 Chen-Yu Tsai <[email protected]>写道： > > Hi, > > On Tue, Mar 7, 2017 at 6:34 AM, Icenowy Zheng <[email protected]> wrote: > > Orange Pi Zero board features a USB OTG port, which has a ID pin, and > > can be used to power up the board. However, even if the board is powered > > via +5V pin in GPIO/expansion headers, the VBUS in the OTG port cannot > > be powered up, thus it's impossible to use it in host mode with simple > > OTG cables. > > > > Add support for it in peripheral mode. > > > > If someone really want to use it in host mode, the mode of PHY can be > > switch via sysfs, then use a powered USB OTG cable or powered USB HUB to > > power up external USB devices. > > > > Signed-off-by: Icenowy Zheng <[email protected]> > > --- > > New patch in v3. > > > > arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts | 14 ++++++++++++++ > > 1 file changed, 14 insertions(+) > > > > diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts > > b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts > > index b7ca916d871d..63f819394b98 100644 > > --- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts > > +++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts > > @@ -96,6 +96,10 @@ > > }; > > }; > > > > +&ehci0 { > > + status = "okay"; > > +}; > > + > > &ehci1 { > > status = "okay"; > > }; > > @@ -132,6 +136,10 @@ > > bias-pull-up; > > }; > > > > +&ohci0 { > > + status = "okay"; > > +}; > > + > > &ohci1 { > > status = "okay"; > > }; > > @@ -154,7 +162,13 @@ > > status = "disabled"; > > }; > > > > +&usb_otg { > > + dr_mode = "peripheral"; > > + status = "okay"; > > +}; > > + > > &usbphy { > > /* USB VBUS is always on */ > > This comment does not match your commit message, which says it's always off.
Oh I should say "USB Type-A port VBUS". > > ChenYu > > > status = "okay"; > > + usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */ > > }; > > -- > > 2.11.1 > > > > -- > > You received this message because you are subscribed to the Google Groups > > "linux-sunxi" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [email protected]. > > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
