qoriq: define reset button for Firebox M300

This patch provides support for the Firebox M300 reset button.

Signed-off-by: Thibaut VARÈNE <[email protected]>

target/linux/qoriq/files/arch/powerpc/boot/dts/fsl/watchguard-firebox-m300.dts

@@ -8,6 +8,7 @@
  */
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 /include/ "t208xsi-pre.dtsi"
 /include/ "t208xqds.dtsi"
@@ -333,6 +334,16 @@
 		};
 	};
 
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 

target/linux/qoriq/image/generic.mk

@@ -6,7 +6,8 @@ define Device/watchguard_firebox-m300
   DEVICE_COMPAT_VERSION := 1.1
   DEVICE_DTS_DIR := $(DTS_DIR)/fsl
   DEVICE_PACKAGES := \
-	kmod-hwmon-w83793 kmod-leds-gpio kmod-ptp-qoriq kmod-rtc-rs5c372a kmod-tpm-i2c-atmel
+	kmod-gpio-button-hotplug kmod-hwmon-w83793 kmod-leds-gpio kmod-ptp-qoriq \
+	kmod-rtc-rs5c372a kmod-tpm-i2c-atmel
   KERNEL := kernel-bin | gzip | fit gzip $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb
   KERNEL_SUFFIX := -fit-uImage.itb
   IMAGES := sdcard.img.gz sysupgrade.img.gz