Re: [PATCH 7/7] arm64: dts: qcom: ideacentre-mini: Drop the unused USB MP port

[Konrad Dybcio]

On 9/5/26 11:29 AM, Jens Glathe via B4 Relay wrote:
> From: Jens Glathe <jens.glathe@xxxxxxxxxxxxxxxxxxxxxx>
> 
> usb_mp port 1 (hsphy1, qmpphy1, PTN3222 @ 0x4f, TLMM 184) is not
> populated. lsusb only shows two xHCI controllers: USB-C on usb_1_ss0
> and the rear ports behind a Genesys hub on usb_mp port 0.
> 
> Remove that repeater, its reset pin, and the second MP PHYs. Pin
> usb_mp to usb2-0 / usb3-0 so the controller does not claim empty
> PHYs.
> 
> Tested-on: IdeaCentre Mini 01Q8X10, Purwa (X1-26-100)
> 
> Assisted-by: Grok 4.5 (xAI)
> Signed-off-by: Jens Glathe <jens.glathe@xxxxxxxxxxxxxxxxxxxxxx>
> ---

So does the repeater exist on board, or not? Can you try to poke
it via i2cget?

[...]

> -&usb_mp_hsphy1 {
> -	vdd-supply = <&vreg_l2e>;
> -	vdda12-supply = <&vreg_l3e>;
> -
> -	phys = <&eusb6_repeater>;
> -
> -	status = "okay";
> -};

The PHYs can stay here, so Linux will safely park them

Konrad

> -
>  &usb_mp_qmpphy0 {
>  	vdda-phy-supply = <&vreg_l3c>;
>  	vdda-pll-supply = <&vreg_l3e>;
>  
>  	status = "okay";
>  };
> -
> -&usb_mp_qmpphy1 {
> -	vdda-phy-supply = <&vreg_l3c>;
> -	vdda-pll-supply = <&vreg_l3e>;
> -
> -	status = "okay";
> -};
>