[PATCH v2] arm64: dts: imx8m*-venice-gw75xx: add Accelerometer device

Tim Harvey tharvey at gateworks.com
Mon Sep 9 14:50:09 PDT 2024


The GW75xx has a LIS2DE12TR 3-axis accelerometer on the I2C bus with an
interrupt pin. Add it to the device-tree.

Signed-off-by: Tim Harvey <tharvey at gateworks.com>
----
v2: 
 - make sure compatible is on top and vendor specific props are at the end per:
   https://docs.kernel.org/devicetree/bindings/dts-coding-style.html
 - fix typo in commit message
---
 .../boot/dts/freescale/imx8mm-venice-gw75xx.dtsi | 16 ++++++++++++++++
 .../boot/dts/freescale/imx8mp-venice-gw75xx.dtsi | 16 ++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw75xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw75xx.dtsi
index 5eb92005195c..d17e1f375be4 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw75xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw75xx.dtsi
@@ -116,6 +116,16 @@ &i2c2 {
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
 
+	accelerometer at 19 {
+		compatible = "st,lis2de12";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_accel>;
+		reg = <0x19>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
+		st,drdy-int-pin = <1>;
+	};
+
 	eeprom at 52 {
 		compatible = "atmel,24c32";
 		reg = <0x52>;
@@ -198,6 +208,12 @@ MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4		0x40000040 /* GPIOC */
 		>;
 	};
 
+	pinctrl_accel: accelgrp {
+		fsl,pins = <
+			MX8MM_IOMUXC_ECSPI1_MISO_GPIO5_IO8	0x159
+		>;
+	};
+
 	pinctrl_gpio_leds: gpioledgrp {
 		fsl,pins = <
 			MX8MM_IOMUXC_SAI1_RXFS_GPIO4_IO0	0x6	/* LEDG */
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw75xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw75xx.dtsi
index 0d40cb0f05f6..c9934cf98942 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw75xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw75xx.dtsi
@@ -104,6 +104,16 @@ &i2c2 {
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
 
+	accelerometer at 19 {
+		compatible = "st,lis2de12";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_accel>;
+		reg = <0x19>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
+		st,drdy-int-pin = <1>;
+	};
+
 	eeprom at 52 {
 		compatible = "atmel,24c32";
 		reg = <0x52>;
@@ -204,6 +214,12 @@ MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28	0x40000106 /* PCI_WDIS# */
 		>;
 	};
 
+	pinctrl_accel: accelgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_ECSPI1_MISO__GPIO5_IO08	0x159
+		>;
+	};
+
 	pinctrl_gpio_leds: gpioledgrp {
 		fsl,pins = <
 			MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22	0x6	/* LEDG */
-- 
2.25.1




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