linux-kernel - Re: [PATCH] arm64: dts: qcom: Add device tree for TUXEDO Elite 14 Gen1

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Message-ID: <5hvghahezqms6x4pi3acgaujyhiql6mzl2xhzph5phhki2yiyq@oi3xjatj7r64>
Date: Fri, 7 Mar 2025 08:45:34 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: Georg Gottleuber <ggo@...edocomputers.com>, 
	Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	wse@...edocomputers.com, cs@...edocomputers.com
Subject: Re: [PATCH] arm64: dts: qcom: Add device tree for TUXEDO Elite 14
 Gen1

On Thu, Mar 06, 2025 at 01:50:56PM +0100, Konrad Dybcio wrote:
> On 6.03.2025 1:25 PM, Georg Gottleuber wrote:
> > Initial support for TUXEDO Elite 14 Gen1 based on Qualcomm Snapdragon X
> > Elite SoC (X1E78100).
> > 
> > Working:
> > * Touchpad
> > * Keyboard
> > * eDP (no brightness control yet)
> 
> in case your panel as a PWM backlight, you will need to set the PWM
> output pin function explicitly, see x1e80100-microsoft-romulus.dtsi
> 
> > * NVMe
> > * USB Type-C port
> > * WiFi (WiFi 7 untested)
> > * GPU (software rendering)
> > 
> > Not working:
> > * GPU (WIP: firmware loading but output is jerky)
> 
> Please tell us more
> 
> > * USB Type-A (WIP)
> > * Suspend with substantial energy saving
> > * Audio, Speakers, Microphones
> > * Camera
> > * Fingerprint Reader
> 
> If it's connected to the multiport controller, you should be able to
> just enable it, like on the T14s, similarly to the Type-A port
> 
> [...]
> 
> > Signed-off-by: Georg Gottleuber <ggo@...edocomputers.com>
> > ---
> >  arch/arm64/boot/dts/qcom/Makefile             |   1 +
> >  .../qcom/x1e80100-tuxedo-elite-14-gen1.dts    | 798 ++++++++++++++++++
> >  2 files changed, 799 insertions(+)
> >  create mode 100644
> > arch/arm64/boot/dts/qcom/x1e80100-tuxedo-elite-14-gen1.dts
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> > index 140b0b2abfb5..f0a9d677d957 100644
> > --- a/arch/arm64/boot/dts/qcom/Makefile
> > +++ b/arch/arm64/boot/dts/qcom/Makefile
> > @@ -298,3 +298,4 @@ dtb-$(CONFIG_ARCH_QCOM)     += x1e80100-lenovo-yoga-slim7x.dtb
> >  dtb-$(CONFIG_ARCH_QCOM)        += x1e80100-microsoft-romulus13.dtb
> >  dtb-$(CONFIG_ARCH_QCOM)        += x1e80100-microsoft-romulus15.dtb
> >  dtb-$(CONFIG_ARCH_QCOM)        += x1e80100-qcp.dtb
> > +dtb-$(CONFIG_ARCH_QCOM)        += x1e80100-tuxedo-elite-14-gen1.dtb
> > diff --git a/arch/arm64/boot/dts/qcom/x1e80100-tuxedo-elite-14-gen1.dts b/arch/arm64/boot/dts/qcom/x1e80100-tuxedo-elite-14-gen1.dts
> > new file mode 100644
> > index 000000000000..86bdec4a2dd8
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/qcom/x1e80100-tuxedo-elite-14-gen1.dts
> 
> > +&gpu {
> > +       status = "okay";
> > +
> > +       zap-shader {
> > +               firmware-name = "qcom/a740_zap.mbn";
> 
> Are the laptop's OEM key/security fuses not blown?

Can this laptop use "qcom/x1e80100/gen70500_zap.mbn" which is already a
part of linux-firmware?

-- 
With best wishes
Dmitry