linux-kernel - Re: [PATCH 0/4] arm64: dts: apple: Add chassis-type properties

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Message-ID: <176804152716.3568.1765337883482997730.b4-ty@kernel.org>
Date: Sat, 10 Jan 2026 11:39:37 +0100
From: Sven Peter <sven@...nel.org>
To: Neal Gompa <neal@...pa.dev>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Janne Grunau <j@...nau.net>
Cc: Sven Peter <sven@...nel.org>,
	asahi@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] arm64: dts: apple: Add chassis-type properties

On Fri, 09 Jan 2026 16:25:42 +0100, Janne Grunau wrote:
> Add chassis-type properties for all Apple silicon Macs. "chassis-type"
> is used by u-boot to fill the SMBIOS "System Enclosure or Chassis Type"
> field. User space software uses this field to to determine if a device
> is an laptop. The exact use case eludes me unfortunately.
> 
> The Mac Pro uses "server" as chassis-type which is not entirely
> accurate. The tower and rack mount Mac Pro versions share the same .dts
> file and are identical except for the enclosure. I haven't found an
> obvious property in Apple's device tree to distinguish between those so
> both use "server" instead of the more accurate "tower" and "rack mount
> chassis". The latter chassis-types are not in dt-schema anyway.
> 
> [...]

Applied to AsahiLinux/linux (apple-soc/dt-6.20), thanks!

[1/4] arm64: dts: apple: Add chassis-type property for all Macbooks
      https://github.com/AsahiLinux/linux/commit/b73d48c14ad5
[2/4] arm64: dts: apple: Add chassis-type property for Apple desktop devices
      https://github.com/AsahiLinux/linux/commit/96b603324985
[3/4] arm64: dts: apple: Add chassis-type property for Mac Pro
      https://github.com/AsahiLinux/linux/commit/81a683f864a9
[4/4] arm64: dts: apple: Add chassis-type property for Apple iMacs
      https://github.com/AsahiLinux/linux/commit/8714184b7bcb

Best regards,
-- 
Sven Peter <sven@...nel.org>