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

Chukun Pan amadeus at jmu.edu.cn
Wed Apr 1 05:40:01 PDT 2026


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 at 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



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