Re: [PATCH v2 3/4] riscv: dts: spacemit: k1-bananapi-f3: Correct USB hub power hierarchy

From: Chukun Pan

Date: Thu May 07 2026 - 02:55:48 EST


Hi,

> usb3_hub_5v: regulator-usb3-hub-5v {
> compatible = "regulator-fixed";
> - regulator-name = "USB30_HUB";
> + regulator-name = "VCC5V0_HUB";

Suggested changes:
vcc5v0_hub: regulator-vcc5v0-hub {
compatible = "regulator-fixed";
regulator-name = "vcc5v0_hub";

> regulator-min-microvolt = <5000000>;
> regulator-max-microvolt = <5000000>;
> + regulator-always-on;

Why always on?

> @@ -361,6 +362,7 @@ &usb_dwc3 {
> dr_mode = "host";
> #address-cells = <1>;
> #size-cells = <0>;
> + vbus-supply = <&usb3_hub_5v>;
> status = "okay";

This is incorrect. See the previous reply.