riscv: dts: spacemit: Enable USB3.0 on BananaPi-F3

Enable the DWC3 USB 3.0 controller and its associated usbphy2 on the
Banana Pi F3 board.

The board utilizes a VLI VL817 hub, which requires two separate power
supplies: one VBUS and one for hub itself. Add two GPIO-controlled
fixed-regulators to manage this.

Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Ze Huang <huang.ze@linux.dev>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20260111-k1-usb3dts-v2-v3-3-f5ebd546e904@linux.dev
Signed-off-by: Yixun Lan <dlan@gentoo.org>

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 3f10efd925dc8a22493c82bd0cd2cf69a4cd6006..5971605754b3533e1cf3713a27c48448aeb4d96f 100644 (file)
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -59,6 +59,25 @@
                regulator-always-on;
                vin-supply = <&reg_dc_in>;
        };
+
+       usb3-vbus-5v {
+               compatible = "regulator-fixed";
+               regulator-name = "USB30_VBUS";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               regulator-always-on;
+               gpio = <&gpio K1_GPIO(97) GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       usb3_hub_5v: usb3-hub-5v {
+               compatible = "regulator-fixed";
+               regulator-name = "USB30_HUB";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               gpio = <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
 };
 
 &combo_phy {
@@ -313,3 +332,30 @@
        pinctrl-0 = <&uart0_2_cfg>;
        status = "okay";
 };
+
+&usbphy2 {
+       status = "okay";
+};
+
+&usb_dwc3 {
+       dr_mode = "host";
+       #address-cells = <1>;
+       #size-cells = <0>;
+       status = "okay";
+
+       hub_2_0: hub@1 {
+               compatible = "usb2109,2817";
+               reg = <0x1>;
+               vdd-supply = <&usb3_hub_5v>;
+               peer-hub = <&hub_3_0>;
+               reset-gpios = <&gpio K1_GPIO(124) GPIO_ACTIVE_LOW>;
+       };
+
+       hub_3_0: hub@2 {
+               compatible = "usb2109,817";
+               reg = <0x2>;
+               vdd-supply = <&usb3_hub_5v>;
+               peer-hub = <&hub_2_0>;
+               reset-gpios = <&gpio K1_GPIO(124) GPIO_ACTIVE_LOW>;
+       };
+};