From d7879682e7fc86a03cb26632c4316211be8b30d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20de=20Bretagne?=
 <jerome.debretagne@gmail.com>
Date: Thu, 4 Jun 2026 18:18:43 +0200
Subject: [PATCH] arm64: dts: qcom: sc8280xp-arcata: Add lid switch
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Enable the lid switch for the Microsoft Surface Pro 9 5G using
GPIO pin 180.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Jérôme de Bretagne <jerome.debretagne@gmail.com>
Link: https://lore.kernel.org/r/20260604-surface-sp9-5g-for-next-v3-7-6aa6f6612c10@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
 .../dts/qcom/sc8280xp-microsoft-arcata.dts    | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts b/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts
index 40d7c4a808ad..ed7ba11b8ffc 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts
@@ -7,6 +7,7 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 
 #include "sc8280xp.dtsi"
@@ -59,7 +60,7 @@ backlight: backlight {
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		pinctrl-0 = <&vol_down_n>, <&vol_up_n>;
+		pinctrl-0 = <&hall_int_n_default>, <&vol_down_n>, <&vol_up_n>;
 		pinctrl-names = "default";
 
 		key-vol-down {
@@ -79,6 +80,15 @@ key-vol-up {
 			linux,can-disable;
 			wakeup-source;
 		};
+
+		switch-lid {
+			label = "lid";
+			gpios = <&tlmm 180 GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_SW>;
+			linux,code = <SW_LID>;
+			wakeup-source;
+			wakeup-event-action = <EV_ACT_DEASSERTED>;
+		};
 	};
 
 	pmic-glink {
@@ -1014,6 +1024,13 @@ edp_reg_en: edp-reg-en-state {
 		bias-disable;
 	};
 
+	hall_int_n_default: hall-int-n-state {
+		pins = "gpio180";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	nvme_reg_en: nvme-reg-en-state {
 		pins = "gpio135";
 		function = "gpio";