[PATCH v4 3/3] arm64: dts: rockchip: Add Orange Pi 5 Pro board support

[Dennis Gilmore]

On Tue, Mar 10, 2026 at 7:20 PM Jimmy Hon <honyuenkwun at gmail.com> wrote:
>
> <snip>
> > +
> > +       vcc5v0_otg: regulator-vcc5v0-otg {
> > +               compatible = "regulator-fixed";
> > +               enable-active-high;
> > +               gpios = <&gpio0 RK_PC4 GPIO_ACTIVE_HIGH>;
> > +               pinctrl-names = "default";
> > +               pinctrl-0 = <&vcc5v0_otg_en>;
> > +               regulator-always-on;
> > +               regulator-boot-on;
> regulator-always-on and regulator-boot-on does not seem right.
>
> Why were these added? The vendor did not have them.
> https://github.com/orangepi-xunlong/linux-orangepi/blob/232ed4b97b65da2b7b647c4e3c496f8594b9f3f1/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5-pro.dts#L216-L226
>
> Was this mistakenly taken from the regulator usb 20 which is powering
> the onboard usb2.0 hub?
> https://github.com/orangepi-xunlong/linux-orangepi/blob/232ed4b97b65da2b7b647c4e3c496f8594b9f3f1/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5-pro.dts#L111-L119

It may have been a missreading of the schematic, but it was added to
get power to the USB3 port. before I added it devices plugged into the
USB 3 port would not power on

Dennis
> > +               regulator-max-microvolt = <5000000>;
> > +               regulator-min-microvolt = <5000000>;
> > +               regulator-name = "vcc5v0_otg";
> > +               vin-supply = <&vcc5v0_sys>;
> > +       };
>
> <snip>
>
>
> Jimmy