linux-kernel - [PATCH 1/4] arm64: dts: apple: Add chassis-type property for all Macbooks

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Message-Id: <20260109-apple-dt-chassis-type-v1-1-c215503734c5@jannau.net>
Date: Fri, 09 Jan 2026 16:25:43 +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 1/4] arm64: dts: apple: Add chassis-type property for all
 Macbooks

All Macbook Air and Pro devices are laptops so annotate this as
chassis-tpe in the root node.

Signed-off-by: Janne Grunau <j@...nau.net>
---
 arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi | 2 ++
 arch/arm64/boot/dts/apple/t8103-j293.dts       | 1 +
 arch/arm64/boot/dts/apple/t8103-j313.dts       | 1 +
 arch/arm64/boot/dts/apple/t8112-j413.dts       | 1 +
 arch/arm64/boot/dts/apple/t8112-j415.dts       | 1 +
 arch/arm64/boot/dts/apple/t8112-j493.dts       | 1 +
 6 files changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi b/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
index c0aac59a6fae4f6f4b387483665349a8e2521c1e..15bd157a486c0d6f8fa23e628a87dc3cf4cac731 100644
--- a/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
+++ b/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
@@ -12,6 +12,8 @@
 #include <dt-bindings/leds/common.h>
 
 / {
+	chassis-type = "laptop";
+
 	aliases {
 		bluetooth0 = &bluetooth0;
 		serial0 = &serial0;
diff --git a/arch/arm64/boot/dts/apple/t8103-j293.dts b/arch/arm64/boot/dts/apple/t8103-j293.dts
index 5b3c42e9f0e6776241bf746d3458766e44e3639a..91cca3000abc10c302ff59c148c0895de70415e0 100644
--- a/arch/arm64/boot/dts/apple/t8103-j293.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j293.dts
@@ -16,6 +16,7 @@
 / {
 	compatible = "apple,j293", "apple,t8103", "apple,arm-platform";
 	model = "Apple MacBook Pro (13-inch, M1, 2020)";
+	chassis-type = "laptop";
 
 	/*
 	 * All of those are used by the bootloader to pass calibration
diff --git a/arch/arm64/boot/dts/apple/t8103-j313.dts b/arch/arm64/boot/dts/apple/t8103-j313.dts
index 97a4344d8dca685708aff136af92a1b316f3c3dd..778e482a6fb67071b13a30bb31cac8d65afd5666 100644
--- a/arch/arm64/boot/dts/apple/t8103-j313.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j313.dts
@@ -16,6 +16,7 @@
 / {
 	compatible = "apple,j313", "apple,t8103", "apple,arm-platform";
 	model = "Apple MacBook Air (M1, 2020)";
+	chassis-type = "laptop";
 
 	led-controller {
 		compatible = "pwm-leds";
diff --git a/arch/arm64/boot/dts/apple/t8112-j413.dts b/arch/arm64/boot/dts/apple/t8112-j413.dts
index 6f69658623bf89ce73e3486bce504f1f5f8003f3..bb9f34e8dc90e55ac2817ce70f17ee4867919fc9 100644
--- a/arch/arm64/boot/dts/apple/t8112-j413.dts
+++ b/arch/arm64/boot/dts/apple/t8112-j413.dts
@@ -16,6 +16,7 @@
 / {
 	compatible = "apple,j413", "apple,t8112", "apple,arm-platform";
 	model = "Apple MacBook Air (13-inch, M2, 2022)";
+	chassis-type = "laptop";
 
 	aliases {
 		bluetooth0 = &bluetooth0;
diff --git a/arch/arm64/boot/dts/apple/t8112-j415.dts b/arch/arm64/boot/dts/apple/t8112-j415.dts
index b54e218e5384ca89155e4350d6680a28a531f408..061629e153eaaa8f96d351feccae2d9152aefb6f 100644
--- a/arch/arm64/boot/dts/apple/t8112-j415.dts
+++ b/arch/arm64/boot/dts/apple/t8112-j415.dts
@@ -16,6 +16,7 @@
 / {
 	compatible = "apple,j415", "apple,t8112", "apple,arm-platform";
 	model = "Apple MacBook Air (15-inch, M2, 2023)";
+	chassis-type = "laptop";
 
 	aliases {
 		bluetooth0 = &bluetooth0;
diff --git a/arch/arm64/boot/dts/apple/t8112-j493.dts b/arch/arm64/boot/dts/apple/t8112-j493.dts
index fb8ad7d4c65a8fe7966f5541f24f03a379143cfb..1f98ab70d7c3ab4f178d78ce3732661401ba77eb 100644
--- a/arch/arm64/boot/dts/apple/t8112-j493.dts
+++ b/arch/arm64/boot/dts/apple/t8112-j493.dts
@@ -16,6 +16,7 @@
 / {
 	compatible = "apple,j493", "apple,t8112", "apple,arm-platform";
 	model = "Apple MacBook Pro (13-inch, M2, 2022)";
+	chassis-type = "laptop";
 
 	/*
 	 * All of those are used by the bootloader to pass calibration

-- 
2.52.0