ARM: imx/mx31moboard: Add mc13783 power button support

Add the power-on button on mx31moboard using MC13783 PMIC.

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c
index 8067f81..b459c60 100644
--- a/arch/arm/mach-imx/mach-mx31moboard.c
+++ b/arch/arm/mach-imx/mach-mx31moboard.c
@@ -28,6 +28,7 @@
 #include <linux/spi/spi.h>
 #include <linux/types.h>
 #include <linux/memblock.h>
+#include <linux/input.h>
 
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
@@ -264,12 +265,19 @@
 	.tc2_period = MC13783_LED_PERIOD_10MS,
 };
 
+static struct mc13783_buttons_platform_data moboard_buttons = {
+	.b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
+			MC13783_BUTTON_POL_INVERT,
+	.b1on_key = KEY_POWER,
+};
+
 static struct mc13xxx_platform_data moboard_pmic = {
 	.regulators = {
 		.regulators = moboard_regulators,
 		.num_regulators = ARRAY_SIZE(moboard_regulators),
 	},
 	.leds = &moboard_leds,
+	.buttons = &moboard_buttons,
 	.flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC,
 };