[PATCH 5/6] arm64: dts: rockchip: Enable USB for Khadas Edge 2L

Gray Huang
2026-04-29T06:49:33Z

On 4/27/26 20:27, Heiko Stuebner wrote:
> Am Mittwoch, 25. März 2026, 06:46:13 Mitteleuropäische Sommerzeit schrieb Gray Huang:
>> 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 <gray.huang@wesion.com>
>> ---
>> .../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";
>> +};
> same here, u-something and c-something between pinctrl and sdhci
> is the wrong place.
>
> Heko

Has been sorted alphabetically in patch of v2.

Gray

>> +
>> &sdhci {
>> bus-width = <8>;
>> no-sdio;
>>
>
>
>