Re: [PATCH v3] arm64: dts: qcom: qcs6490-rb3gen2: Enable USB2 controller Micro-USB OTG

[Konrad Dybcio]

On 2/11/26 7:25 AM, Akash Kumar wrote:
> Enable the secondary USB controller (USB2) and its High-Speed PHY to
> support OTG functionality via a Micro-USB connector.
> 
> Define a dedicated 'usb2-connector' node using the 'gpio-usb-b-connector'
> compatible to handle ID and VBUS detection. Link this connector to the
> DWC3 controller via OF graph ports to satisfy schema requirements and
> enable role switching.
> 
> Specific hardware configuration:
> - ID pin: TLMM 61
> - VBUS detection: PM7325 GPIO 9
> - VBUS supply: Fixed regulator controlled by TLMM 63
> - Configure &usb_2 in OTG mode with role switching enabled.
> - Define a gpio-usb-b-connector node for Micro-USB support, mapping the
>   ID pin to TLMM 61 and VBUS detection to PM7325 GPIO 9.
> - Add the 'vdd_micro_usb_vbus' fixed regulator (controlled by TLMM 63) to
>   supply VBUS to the connector.
> - Add the 'usb2_id_detect' pinctrl state to configure GPIO 61 for ID
>   detection.
> - Enable &usb_2_hsphy and populate necessary voltage supplies (VDDA PLL,
>   VDDA 1.8V, VDDA 3.3V).
> 
> Signed-off-by: Akash Kumar <akash.kumar@xxxxxxxxxxxxxxxx>
> ---

[...]

> +&usb_2 {
> +	status = "okay";
> +
> +	ports {

I'm not sure whether/how that passes bindings validation, but there's an
existing port {} under &usb_2. Please extend the existing definition in
the SoC DTSI to cover hs@0 and sbu@2

Konrad