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

[Konrad Dybcio]

On 6/22/26 10:18 AM, Abel Vesa wrote:
> On 26-06-20 21:50:42, 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
>>
>> The HDMI jack is driven by a power-only DisplayPort-to-HDMI LSPCON on
>> the usb_2 combo-PHY DP lanes rather than being a third USB-C port; HPD
>> is on gpio126. The LSPCON is on an I/O sub-board with no I2C/AUX control
>> path, so it is modelled with the generic simple-bridge "parade,ps185hdm"
>> compatible used by the in-tree x1e80100 HDMI-bridge boards (the exact
>> bridge part is unconfirmed) and it needs CONFIG_DRM_SIMPLE_BRIDGE.
>>
>> The &gpu/&gmu enable, the audio nodes and &remoteproc_soccp opt into
>> glymur.dtsi SoC nodes that are still in-flight; those series are
>> declared as prerequisites in the cover letter.
>>
>> Signed-off-by: Jason Pettit <jason.pettit@xxxxxxxxxxxxxxxx>
>> Assisted-by: Claude:claude-opus-4-8
>> ---

[...]

>> +&usb_0_hsphy {
>> +	vdd-supply = <&vreg_l3f_e0_0p91>;
>> +	vdda12-supply = <&vreg_l4h_e0_1p2>;
> 
> No redriver ?

Right, this must be bound to one of smb2370_[jkl]_e2_eusb2_repeater,
most likely in the natural order (0->j, 1->k)

Konrad