Re: [PATCH v1] arm64: dts: amlogic: Used onboard usb hub reset on odroid n2

From: Anand Moon
Date: Tue Oct 10 2023 - 05:55:25 EST


Hi Neil,

On Tue, 10 Oct 2023 at 13:40, Neil Armstrong <neil.armstrong@xxxxxxxxxx> wrote:
>
> Hi,
>
> On 10/10/2023 05:24, Anand Moon wrote:
> > On Odroid n2/n2+ previously use gpio-hog to reset the usb hub,
> > switch to used on-board usb hub reset to enable the usb hub
> > and enable power to hub.
> >
> > Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx>
> > ---
> > .../dts/amlogic/meson-g12b-odroid-n2.dtsi | 36 ++++++++++++-------
> > 1 file changed, 24 insertions(+), 12 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> > index 91c9769fda20..9e671444eca6 100644
> > --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> > +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> > @@ -31,6 +31,30 @@ hub_5v: regulator-hub_5v {
> > enable-active-high;
> > };
> >
> > + /* USB hub supports both USB 2.0 and USB 3.0 root hub */
> > + usb-hub {
> > + dr_mode = "host";
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + /* 2.0 hub on port 1 */
> > + hub_2_0: hub@1 {
> > + compatible = "usb5e3,610";
> > + reg = <1>;
> > + peer-hub = <&hub_3_0>;
>
> It seems peer-hub is missing from Documentation/devicetree/bindings/usb/genesys,gl850g.yaml, could you add it ?
>
Yes, will add an example in genesys,gl850g.yaml file.

> Thanks,
> Neil

Thanks
-Anand