[PATCH 1/3] arm64: dts: rockchip: Enable USB 2.0 host1 on Radxa ROCK 3B

[Adam Wermuth]

Hi Jonas,

On Thu, 24 Sep 2026 6:12 PM, Jonas Karlman wrote:
> This and next patch is likely best suited as an dt-overlay.

Thanks for the review. That makes sense, as the B-key slot is not
always populated.

For v2 I will move the host1 enablement and the WWAN power, RESET#
and W_DISABLE1# handling into a new rk3568-rock-3b-wwan.dtso overlay,
and keep only the fan patch in the base DT.

Adam


czw., 24 wrz 2026 o 18:12 Jonas Karlman <jonas at kwiboo.se> napisał(a):
>
> Hi Adam,
>
> On 9/24/2026 9:14 AM, Adam Wermuth wrote:
> > The USB 2.0 data lines of the M.2 B-key slot are routed to USB2_HOST3,
> > which is served by usb_host1_ehci/ohci through the host port of
> > usb2phy1. Enable the controllers and the PHY port so that modules in
> > the B-key slot, such as LTE modems, can enumerate.
>
> This and next patch is likely best suited as an dt-overlay.
>
> Regards,
> Jonas
>
> >
> > Signed-off-by: Adam Wermuth <adam at wermuth.pl>
> > ---
> >  arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts | 13 +++++++++++++
> >  1 file changed, 13 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts
> > index 149a5306bb03..ad9a91c0d0d0 100644
> > --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts
> > +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts
> > @@ -758,6 +758,14 @@ &usb_host0_xhci {
> >       status = "okay";
> >  };
> >
> > +&usb_host1_ehci {
> > +     status = "okay";
> > +};
> > +
> > +&usb_host1_ohci {
> > +     status = "okay";
> > +};
> > +
> >  &usb_host1_xhci {
> >       status = "okay";
> >  };
> > @@ -780,6 +788,11 @@ &usb2phy1 {
> >       status = "okay";
> >  };
> >
> > +&usb2phy1_host {
> > +     phy-supply = <&vcc5v0_usb_host>;
> > +     status = "okay";
> > +};
> > +
> >  &usb2phy1_otg {
> >       phy-supply = <&vcc5v0_usb_host>;
> >       status = "okay";
>