linux-kernel - [PATCH v2 4/5] ARM: dts: qcom: msm8960: expressatt: Add Magnetometer

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Message-Id: <20251121-expressatt_nfc_accel_magn_light-v2-4-54ce493cc6cf@gmail.com>
Date: Fri, 21 Nov 2025 03:44:47 -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 v2 4/5] 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 | 19 +++++++++++++++++++
 1 file changed, 19 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 0d6d38b57f00..a5aaaeb8b041 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 +490,22 @@ nfc@2b {
 		pinctrl-0 = <&nfc_default &nfc_enable>;
 	};
 };
+
+&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