Re: [PATCH v4 0/3] riscv: dts: spacemit: Add PMIC regulators usb pcie

Chukun Pan
2026-04-01T12:40:09Z

Hi,

> Changes in v4:
> - Drop reg_dc_in
> - Drop vin-supply from reg_vcc_4v
> - Drop usb3_hub_5v, no device consumer
> - Drop vdd-supply from USB hub nodes, hub is powered by always-on VCC_5V0

Perhaps it can be declared that the hub is powered by vcc_5v0:

hub_3_0: hub@2 {
compatible = "usb5e3,620";
reg = <0x2>;
peer-hub = <&hub_2_0>;
vdd-supply = <&vcc_5v0>;
};

The vcc5v0_usb30 regulator is required to enable USB VBUS.

Thanks,
Chukun