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

[Konrad Dybcio]

On 6/21/26 6:50 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.
> 
> Enabled by this device tree:
> 
>   - internal eDP panel (samsung,atna33xc20)
>   - 2x USB Type-C with DisplayPort alt-mode and USB
>   - chassis HDMI output
>   - chassis USB-A host port (usb_mp multiport controller)
>   - internal eUSB2 host with the Elan fingerprint reader
>   - NVMe SSD on PCIe5
>   - Wi-Fi and Bluetooth
>   - HID-over-I2C keyboard, touchpad, touchscreen; lid switch
>   - Adreno GPU and GMU (Freedreno GL on Mesa)
>   - audio playback and capture

[...]

> +		/* Left side display-adjacent port */
> +		connector@0 {
> +			compatible = "usb-c-connector";
> +			reg = <0>;
> +			power-role = "dual";
> +			data-role = "dual";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +
> +					pmic_glink_hs_in: endpoint {
> +						remote-endpoint = <&usb_0_dwc3_hs>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +
> +					pmic_glink_ss_in: endpoint {
> +						remote-endpoint = <&usb_0_qmpphy_out>;
> +					};
> +				};
> +			};
> +		};
> +
> +		/* Left side user-adjacent port */

"left/right side port?"

https://support.hp.com/pl-pl/document/ish_14499364-14499440-16

[...]

> +&apps_rsc {
> +	regulators-0 {
> +		compatible = "qcom,pmh0101-rpmh-regulators";
> +		qcom,pmic-id = "B_E0";
> +
> +		vreg_l1b_e0_1p8: ldo1 {

I find these voltage suffixes not very useful (although you're free to
keep them if you prefer)

[...]

> +&i2c0 {
> +	clock-frequency = <400000>;
> +
> +	status = "okay";
> +
> +	keyboard@3a {
> +		compatible = "hid-over-i2c";
> +		reg = <0x3a>;
> +
> +		hid-descr-addr = <0x1>;
> +		interrupts-extended = <&tlmm 67 IRQ_TYPE_LEVEL_LOW>;
> +
> +		pinctrl-0 = <&kybd_default>;
> +		pinctrl-names = "default";
> +
> +		wakeup-source;
> +	};
> +
> +	touchpad@2c {
> +		compatible = "hid-over-i2c";
> +		reg = <0x2c>;

Let's sort these nodes by address (i.e. touchpad@2c < keyboard@3a)

Konrad