Re: [PATCH v2 2/3] arm64: dts: qcom: Add HP EliteBook X G2q 14 AI

From: Konrad Dybcio

Date: Fri Jun 26 2026 - 07:35:38 EST


On 6/26/26 7:47 AM, Jason Pettit wrote:
> Add board support for the HP EliteBook X G2q 14" Next Gen AI PC
> (product SKU C4JG0AV, board 8E91), a Snapdragon X2 Elite (Glymur)
> laptop, using the "hp,elitebook-x-g2q" / "qcom,glymur" compatible.

[...]

> +/*
> + * usb_2 is not exposed as a connector; its combo-PHY's DP lanes drive the
> + * chassis HDMI bridge (see hdmi-bridge).
> + */
> +&usb_2 {
> + maximum-speed = "high-speed";
> +
> + phys = <&usb_2_hsphy>;
> + phy-names = "usb2-phy";
> +
> + status = "okay";
> +};
> +
> +&usb_2_hsphy {
> + vdd-supply = <&vreg_l3f_e0_0p91>;
> + vdda12-supply = <&vreg_l4h_e0_1p2>;
> +
> + status = "okay";
> +};

If you remove these two nodes, the QMPPHY-as-DP-only should still
function (it's the USB3 block that depends on the QMPPHY, not the
other way around)

Konrad