linux-kernel - [PATCH 3/4] ARM: dts: qcom: msm8960: expressatt: Add Magnetometer

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Message-Id: <20251119-expressatt_nfc_accel_magn_light-v1-3-636f16f05cf4@gmail.com>
Date: Wed, 19 Nov 2025 23:14:44 -0800
From: Rudraksha Gupta via B4 Relay <devnull+guptarud.gmail.com@...nel.org>
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, Rudraksha Gupta <guptarud@...il.com>
Subject: [PATCH 3/4] ARM: dts: qcom: msm8960: expressatt: Add Magnetometer

From: Rudraksha Gupta <guptarud@...il.com>

Add the Yamaha magnetometer. Mount Matrix is left as a TODO.

Signed-off-by: Rudraksha Gupta <guptarud@...il.com>
---
 .../boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts  | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
index 81806d7ca001..403bef67a148 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
+++ b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts
@@ -490,3 +490,21 @@ &usb1 {
 	dr_mode = "otg";
 	status = "okay";
 };
+
+&gsbi12 {
+	qcom,mode = <GSBI_PROT_I2C>;
+	status = "okay";
+};
+
+&gsbi12_i2c {
+	status = "okay";
+
+	magnetometer@2e {
+		compatible = "yamaha,yas532";
+		reg = <0x2e>;
+		vdd-supply   = <&pm8921_l9>;
+		iovdd-supply = <&pm8921_lvs4>;
+
+		// TODO: Figure out Mount Matrix
+	};
+};

-- 
2.51.2