linux-kernel - [PATCH 2/4] arm64: dts: apple: Add chassis-type property for Apple desktop devices

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Message-Id: <20260109-apple-dt-chassis-type-v1-2-c215503734c5@jannau.net>
Date: Fri, 09 Jan 2026 16:25:44 +0100
From: Janne Grunau <j@...nau.net>
To: Sven Peter <sven@...nel.org>, Neal Gompa <neal@...pa.dev>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Janne Grunau <j@...nau.net>
Subject: [PATCH 2/4] arm64: dts: apple: Add chassis-type property for Apple
 desktop devices

Apple's Mac mini and Studio are desktop devices. The SMBIOS has chassis
types which might be more accurate like "low profile desktop" or "mini
pc" but without clear definition what those are use plain "desktop" as
chassis-type in the root node.

Signed-off-by: Janne Grunau <j@...nau.net>
---
 arch/arm64/boot/dts/apple/t600x-j375.dtsi | 2 ++
 arch/arm64/boot/dts/apple/t8103-j274.dts  | 1 +
 arch/arm64/boot/dts/apple/t8112-j473.dts  | 1 +
 3 files changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t600x-j375.dtsi b/arch/arm64/boot/dts/apple/t600x-j375.dtsi
index c0fb93ae72f4d4fcb254a36dc408d55ab1bca0e9..5bba233b5383f227621bf0a648e9de43597b38ed 100644
--- a/arch/arm64/boot/dts/apple/t600x-j375.dtsi
+++ b/arch/arm64/boot/dts/apple/t600x-j375.dtsi
@@ -10,6 +10,8 @@
  */
 
 / {
+	chassis-type = "desktop";
+
 	aliases {
 		bluetooth0 = &bluetooth0;
 		ethernet0 = &ethernet0;
diff --git a/arch/arm64/boot/dts/apple/t8103-j274.dts b/arch/arm64/boot/dts/apple/t8103-j274.dts
index 1c3e37f86d46d7b5d733717b47c4b57dc55e1201..b379ca25b1b7011c0e24f0ef97a6b6bd469342f0 100644
--- a/arch/arm64/boot/dts/apple/t8103-j274.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j274.dts
@@ -15,6 +15,7 @@
 / {
 	compatible = "apple,j274", "apple,t8103", "apple,arm-platform";
 	model = "Apple Mac mini (M1, 2020)";
+	chassis-type = "desktop";
 
 	aliases {
 		ethernet0 = &ethernet0;
diff --git a/arch/arm64/boot/dts/apple/t8112-j473.dts b/arch/arm64/boot/dts/apple/t8112-j473.dts
index 06fe257f08be498ace6906b936012e01084da702..a05951e91a022c9b08a1b7897832ae9553201340 100644
--- a/arch/arm64/boot/dts/apple/t8112-j473.dts
+++ b/arch/arm64/boot/dts/apple/t8112-j473.dts
@@ -15,6 +15,7 @@
 / {
 	compatible = "apple,j473", "apple,t8112", "apple,arm-platform";
 	model = "Apple Mac mini (M2, 2023)";
+	chassis-type = "desktop";
 
 	aliases {
 		ethernet0 = &ethernet0;

-- 
2.52.0