linux-kernel - [PATCH] arm64: dts: imx8m{m,p}-venice-gw71xx: Add Magetometer

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Message-Id: <20251209205828.689999-1-tharvey@gateworks.com>
Date: Tue,  9 Dec 2025 12:58:28 -0800
From: Tim Harvey <tharvey@...eworks.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Tim Harvey <tharvey@...eworks.com>
Subject: [PATCH] arm64: dts: imx8m{m,p}-venice-gw71xx: Add Magetometer

Add support for the optional LIS2MDL magnetometer on GW71xx baseboards.

Signed-off-by: Tim Harvey <tharvey@...eworks.com>
---
 .../boot/dts/freescale/imx8mm-venice-gw71xx.dtsi  | 15 +++++++++++++++
 .../boot/dts/freescale/imx8mp-venice-gw71xx.dtsi  | 15 +++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
index 429be2bab8a2..320806d3d073 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
@@ -92,6 +92,15 @@ accelerometer@19 {
 		interrupt-parent = <&gpio4>;
 		interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
 	};
+
+	magnetometer@1e {
+		compatible = "st,lis2mdl";
+		reg = <0x1e>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mag>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
+	};
 };
 
 /* off-board header */
@@ -174,6 +183,12 @@ MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5	0x159
 		>;
 	};
 
+	pinctrl_mag: maggrp {
+		fsl,pins = <
+			MX8MM_IOMUXC_SAI1_RXC_GPIO4_IO1		0x159
+		>;
+	};
+
 	pinctrl_gpio_leds: gpioledgrp {
 		fsl,pins = <
 			MX8MM_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5	0x19
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx.dtsi
index 4bf818873fe3..9317e62304e3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx.dtsi
@@ -101,6 +101,15 @@ accelerometer@19 {
 		interrupt-parent = <&gpio4>;
 		interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
 	};
+
+	magnetometer@1e {
+		compatible = "st,lis2mdl";
+		reg = <0x1e>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mag>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
+	};
 };
 
 &pcie_phy {
@@ -198,6 +207,12 @@ MX8MP_IOMUXC_SAI2_RXFS__GPIO4_IO21	0x150	/* IRQ */
 		>;
 	};
 
+	pinctrl_mag: maggrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25	0x150	/* IRQ */
+		>;
+	};
+
 	pinctrl_gpio_leds: gpioledgrp {
 		fsl,pins = <
 			MX8MP_IOMUXC_SAI1_RXC__GPIO4_IO01	0x6	/* LEDG */
-- 
2.25.1