[PATCH v2 3/3] riscv: dts: spacemit: enable USB3 on OrangePi RV2

Chukun Pan
2026-04-02T10:00:32Z

Enable the DWC3 USB3.0 controller and its associated PHY on
the OrangePi RV2. The onboard GENESYS GL3523 Hub provides 3
USB3 Type-A ports. Enable the corresponding VBUS regulator.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
---
.../boot/dts/spacemit/k1-orangepi-rv2.dts | 24 +++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
index 929b70d384b5..ab835c30dd86 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
@@ -52,6 +52,20 @@ vcc4v0: regulator-vcc4v0 {
regulator-max-microvolt = <4000000>;
vin-supply = <&vcc_5v0>;
};
+
+ vcc5v0_usb30: regulator-vcc5v0-usb30 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_usb30";
+ enable-active-high;
+ gpios = <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&vcc_5v0>;
+ };
+};
+
+&combo_phy {
+ status = "okay";
};

&eth0 {
@@ -111,3 +125,13 @@ &uart0 {
pinctrl-0 = <&uart0_2_cfg>;
status = "okay";
};
+
+&usbphy2 {
+ status = "okay";
+};
+
+&usb_dwc3 {
+ dr_mode = "host";
+ vbus-supply = <&vcc5v0_usb30>;
+ status = "okay";
+};
--
2.34.1