[PATCH v1 0/3] X1E Dell XPS 9345 support

Aleksandrs Vinarskis
2024-09-19T17:00:55Z

Introduce support for the mentioned laptop.

Very similar to other X1E laptops, device tree was derived by analyzing dtsi of
existing models and ACPI tables of this laptop [1]. Most notable difference were
* TZ protected SPI19.
* Keyboard only working after suspend/resume sequence, will do a follow up patch
to i2c-hid.
* Lots of small deviations in LDOs voltages.

Successfully tested with Debian 12 and Gnome, although this required additional
patches, namely harcode GPU chipid, apply [2] and _revert_ [3] - same as in Abel
Vesa's branches. Without last two the boot process is terminated by TZ. Firmware
for GPU/aDSP/cDSP was extracted from Windows, WiFi firmware from upstream
linux-firmware.

Quite a few things alraedy work, details in patches, quite a few still in WIP or
TODOs. Since fixing these may take me a while due to lack of documentation,
sending current progress as its very much usable.

[1] https://github.com/aarch64-laptops/build/blob/master/misc/dell-xps-9345/acpi/DSDT.dsl
[2] https://lore.kernel.org/all/20240830-x1e80100-bypass-pdc-v1-1-d4c00be0c3e3@linaro.org/
[3] https://lore.kernel.org/all/20240708-x1e80100-pd-mapper-v1-1-854386af4cf5@linaro.org/

Aleksandrs Vinarskis (3):
dt-bindings: arm: qcom: Add Dell XPS 13 9345
firmware: qcom: scm: Allow QSEECOM on Dell XPS 13 9345
arm64: dts: qcom: Add support for X1-based Dell XPS 13 9345

.../devicetree/bindings/arm/qcom.yaml | 1 +
arch/arm64/boot/dts/qcom/Makefile | 1 +
.../dts/qcom/x1e80100-dell-tributo-13.dts | 860 ++++++++++++++++++
drivers/firmware/qcom/qcom_scm.c | 1 +
4 files changed, 863 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/x1e80100-dell-tributo-13.dts

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