linux-kernel - Qualcomm Snapdragon 8cx Gen 2 not supported yet?

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Date: Thu, 22 Feb 2024 13:26:05 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: Linux ARM <linux-arm-msm@...r.kernel.org>,
	Linux ARM <linux-arm-kernel@...ts.infradead.org>,
	Linux Devicetree <devicetree@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	"Aram M." <aram.minasyan@...oo.com>
Subject: Qualcomm Snapdragon 8cx Gen 2 not supported yet?

Hi,

Aram M. <aram.minasyan@...oo.com> opened Bugzilla ticket requesting devicetree
support for sc8180xp [1]. He wrote:

> The Linux kernel 6.7.5 only boots in ACPI mode on DELL Inspiron 14 3420
> with Qualcomm Snapdragon 8cx Gen 2 (sc8180xp).
> A lot of hardware is not functional, this maybe due to missing device tree?
> Built in keyboard and PCIe devices not working, only runs on USB connected disk, keyboard & peripherals.
> 
> Support for sc8180x & sc8280xp devices exist, but not for sc8180xp devices.
> 
> Under arch/arm64/boot/dts/qcom in source tree the files
> sc8180x-pmics.dtsi, sc8180x.dtsi, sc8280xp-pmics.dtsi, sc8280xp.dtsi.
> exist, but none for sc8180xp, which would be used for specific hardware dts 
> files?
> Maybe the hardware is similar enough to sc8180x? But of course I have no idea.
> 
> It would be nice for the keyboard to function without the device tree, seems like module i2c_qcom_geni doesn't work without dtb?
> 
> 
> I have attached dmesg output.

Aram, can you submit devicetree patch supporting your device?

Thanks.

[1]: https://bugzilla.kernel.org/show_bug.cgi?id=218512

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