[Bug 2106218] Re: [X1E][X1P] Add support for Asus Zenbook A14

[Jens Glathe]

Well, what do you need the camera clocks for... loading iris, per
chance? There are camera clock support patches for Purwa, but they are
fairly new and required for iris support. Maybe not load the iris
firmware?

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Title:
  [X1E][X1P] Add support for Asus Zenbook A14

Status in ubuntu-concept:
  New

Bug description:
  Initial support should be coming with the following MRs:

  https://code.launchpad.net/~alexvinarskis/ubuntu/+source/linux/+git/linux/+merge/483642
  https://code.launchpad.net/~alexvinarskis/ubuntu/+source/flash-kernel/+git/flash-kernel/+merge/483643
  https://code.launchpad.net/~alexvinarskis/ubuntu/+source/ubuntu-x1e-settings/+git/ubuntu-x1e-settings/+merge/483644
  https://code.launchpad.net/~alexvinarskis/ubuntu/+source/qcom-firmware-extract/+git/qcom-firmware-extract/+merge/483645
  https://code.launchpad.net/~alexvinarskis/debian-cd/+git/debian-cd/+merge/483647

  ______________________________________________________________________

  
  Initial support for Asus Zenbook A14. Particular moddel exists
  in X1-26-100, X1P-42-100 (UX3407QA) and X1E-78-100 (UX3407RA).

  Mostly similar to other X1-based laptops. Notable differences are:
  * Wifi/Bluetooth combo being Qualcomm FastConnect 6900 on UX3407QA
    and Qualcomm FastConnect 7800 on UX3407RA
  * USB Type-C retimers are Parade PS8833, appear to behave identical
    to Parade PS8830
  * gpio90 is TZ protected

  Working:
  * Keyboard
  * Touchpad
  * NVME
  * Lid switch
  * Camera LED
  * eDP (FHD OLED, SDC420D) with brightness control
  * Bluetooth, WiFi (WCN6855)
  * USB Type-A port
  * USB Type-C ports in USB2/USB3/DP (both orientations)
  * aDSP/cDPS firmware loading, battery info
  * Sleep/suspend, nothing visibly broken on resume

  Out of scope of this series:
  * Audio (Speakers/microphones/headphone jack)
  * Camera (OmniVision OV02C10)
  * HDMI (Parade PS185HDM)
  * EC

  ______________________________________________________________________

  
  UX3407QA with X1/X1P comes with different WLAN, which requires additional firmware patching, short guide:
  https://github.com/alexVinarskis/linux-x1e80100-zenbook-a14?tab=readme-ov-file#wcn688x-wifi

  Currently tested on UX3407QA with X1-26-100, FHD OLED.

  ______________________________________________________________________

  
  UPDATE 04.04.2025:

  dirty patch available for HDMI, works only in coldboot
  https://github.com/alexVinarskis/linux-x1e80100-zenbook-a14/blob/master/0012-WIP-arm64-dts-qcom-HDMI-support-on-Asus-Zenbook-A14.patch

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