[PATCH v2 5/9] arm64: dts: imx8ulp-evk: Add gpio-keys node for power button

["Peng Fan (OSS)" <peng.fan@oss.nxp.com>]

From: Peng Fan <peng.fan@nxp.com>

Add a gpio-keys node for the power-on button, report it as KEY_POWER to
user space.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8ulp-9x9-evk.dts | 18 ++++++++++++++++++
 arch/arm64/boot/dts/freescale/imx8ulp-evk.dts     | 19 +++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-9x9-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-9x9-evk.dts
index 5497e3d78136f..af8f0d6087f71 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp-9x9-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-9x9-evk.dts
@@ -10,6 +10,18 @@
 / {
 	model = "NXP i.MX8ULP EVK9";
 	compatible = "fsl,imx8ulp-9x9-evk", "fsl,imx8ulp";
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_keys>;
+
+		button-power-on {
+			label = "PowerOn";
+			gpios = <&gpiof 11 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_POWER>;
+		};
+	};
 };
 
 &btcpu {
@@ -43,6 +55,12 @@ MX8ULP_PAD_PTF10__ENET0_1588_CLKIN      0x43
 	>;
 };
 
+&pinctrl_gpio_keys {
+	fsl,pins = <
+		MX8ULP_PAD_PTF11__PTF11		0x3
+	>;
+};
+
 &pinctrl_usb1 {
 	fsl,pins = <
 		MX8ULP_PAD_PTE16__USB0_ID		0x10003
diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
index 5dea66c1e7aa0..6a92c5ca9a412 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
@@ -5,6 +5,7 @@
 
 /dts-v1/;
 
+#include <dt-bindings/input/input.h>
 #include "imx8ulp.dtsi"
 
 / {
@@ -20,6 +21,18 @@ chosen {
 		stdout-path = &lpuart5;
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_keys>;
+
+		button-power-on {
+			label = "PowerOn";
+			gpios = <&gpiof 31 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_POWER>;
+		};
+	};
+
 	memory@80000000 {
 		device_type = "memory";
 		reg = <0x0 0x80000000 0 0x80000000>;
@@ -323,6 +336,12 @@ MX8ULP_PAD_PTD22__FLEXSPI2_A_DATA4	0x42
 		>;
 	};
 
+	pinctrl_gpio_keys: gpiokeysgrp {
+		fsl,pins = <
+			MX8ULP_PAD_PTF31__PTF31		0x3
+		>;
+	};
+
 	pinctrl_lpuart5: lpuart5grp {
 		fsl,pins = <
 			MX8ULP_PAD_PTF14__LPUART5_TX	0x3

-- 
2.34.1