Messages in this thread | | | Date | Mon, 15 Jan 2018 09:01:39 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH v2] arm64: allwinner: a64: orangepi-zero-plus2: add usb otg |
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Hi,
On Fri, Jan 12, 2018 at 02:39:04PM +0530, Jagan Teki wrote: > Add usb otg support for orangepi-zero-plus2 board: > - Add usb_otg node with dr_mode as 'otg' > - USB0-IDDET connected to PA21 > - VBUS connected through DCIN which always on > > Tested mass storage function. > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> > --- > Changes for v2: > - Change dr_mode to peripheral > > .../dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > 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 af43533..6511190 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 > @@ -73,6 +73,10 @@ > }; > }; > > +&ehci0 { > + status = "okay"; > +}; > + > &mmc0 { > pinctrl-names = "default"; > pinctrl-0 = <&mmc0_pins_a>; > @@ -111,6 +115,10 @@ > status = "okay"; > }; > > +&ohci0 { > + status = "okay"; > +}; > + > &uart0 { > pinctrl-names = "default"; > pinctrl-0 = <&uart0_pins_a>; > @@ -122,3 +130,13 @@ > pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>; > status = "okay"; > }; > + > +&usb_otg { > + dr_mode = "peripheral";
If VBUS is always on, this can only operate safely in host mode, not peripheral.
Maxime
-- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com [unhandled content-type:application/pgp-signature] | |