[PATCH 5/6] arm64: dts: rockchip: Enable USB for Khadas Edge 2L
From: Gray Huang <hidden>
Date: 2026-03-25 05:49:09
Also in:
linux-devicetree, linux-rockchip, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
The Khadas Edge 2L board provides one USB 3.0 Host port and one USB 2.0 port (connected via an internal hub). Enable the corresponding DWC3 controllers and PHYs. Signed-off-by: Gray Huang <redacted> --- .../dts/rockchip/rk3576-khadas-edge-2l.dts | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
index 003342fd69a7..8ecd00f6645d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts@@ -30,6 +30,29 @@ hdmi_con_in: endpoint { }; }; + vcc5v0_device: regulator-vcc5v0-device { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_device"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + vcc5v0_host: regulator-vcc5v0-host { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_host"; + regulator-boot-on; + regulator-always-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + enable-active-high; + gpio = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>; + vin-supply = <&vcc5v0_device>; + pinctrl-names = "default"; + pinctrl-0 = <&usb_host_pwren>; + }; + vcc_sys: regulator-vcc5v0-sys { compatible = "regulator-fixed"; regulator-name = "vcc_sys";
@@ -531,6 +554,12 @@ pcie0_rst: pcie0-rst { }; }; + usb { + usb_host_pwren: usb-host-pwren { + rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + wifi { wifi_reg_on: wifi-reg-on { rockchip,pins = <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -542,6 +571,24 @@ wifi_wake_host: wifi-wake-host { }; }; +&usb_drd1_dwc3 { + dr_mode = "host"; + status = "okay"; +}; + +&u2phy1 { + status = "okay"; +}; + +&u2phy1_otg { + phy-supply = <&vcc5v0_host>; + status = "okay"; +}; + +&combphy1_psu { + status = "okay"; +}; + &sdhci { bus-width = <8>; no-sdio;
--
2.34.1