linux-kernel - [PATCH 2/2] arm64: dts: qcom: msm8939-asus-z00t: add hall sensor

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Message-Id: <20251115-battery-hall-v1-2-1586283d17c7@gmail.com>
Date: Sat, 15 Nov 2025 14:26:44 +0200
From: Erikas Bitovtas <xerikasxx@...il.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht, 
 Erikas Bitovtas <xerikasxx@...il.com>
Subject: [PATCH 2/2] arm64: dts: qcom: msm8939-asus-z00t: add hall sensor

This device uses ANPEC APX9131 hall sensor. It is a basic GPIO hall
sensor for which a generic "gpio-keys" device tree node configuration
suffices.

Signed-off-by: Erikas Bitovtas <xerikasxx@...il.com>
---
 arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts b/arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts
index b58f0a04abfd..60a714a62a2c 100644
--- a/arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts
+++ b/arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts
@@ -62,6 +62,15 @@ button-volume-down {
 			linux,code = <KEY_VOLUMEDOWN>;
 			debounce-interval = <15>;
 		};
+
+		event-hall-sensor {
+			label = "Hall Effect Sensor";
+			gpios = <&tlmm 108 GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_SW>;
+			linux,code = <SW_LID>;
+			linux,can-disable;
+			debounce-interval = <150>;
+		};
 	};
 
 	reg_sd_vmmc: regulator-sdcard-vmmc {
@@ -259,7 +268,7 @@ sd_vmmc_en_default: sd-vmmc-en-default-state {
 	};
 
 	gpio_keys_default: gpio-keys-default-state {
-		pins = "gpio107", "gpio117";
+		pins = "gpio107", "gpio108", "gpio117";
 		function = "gpio";
 		drive-strength = <2>;
 		bias-pull-up;

-- 
2.51.2