[PATCH 4/4] ARM: dts: at91: sam9x60-curiosity: Add user button support

[Alexander Dahl]

Copied as is from Linux Kernel.  Works out of the box if the following
config options are enabled: CONFIG_BUTTON, CONFIG_BUTTON_GPIO,
CONFIG_CMD_BUTTON, CONFIG_DM_GPIO.

Signed-off-by: Alexander Dahl <a...@thorsis.com>
---
 arch/arm/dts/at91-sam9x60_curiosity.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/dts/at91-sam9x60_curiosity.dts 
b/arch/arm/dts/at91-sam9x60_curiosity.dts
index 244cacfe1b..99867d2bf8 100644
--- a/arch/arm/dts/at91-sam9x60_curiosity.dts
+++ b/arch/arm/dts/at91-sam9x60_curiosity.dts
@@ -7,6 +7,7 @@
  * Author: Durai Manickam KR <durai.manicka...@microchip.com>
  */
 /dts-v1/;
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/mfd/atmel-flexcom.h>
 #include "sam9x60.dtsi"
 
@@ -33,6 +34,19 @@
                };
        };
 
+       gpio-keys {
+               compatible = "gpio-keys";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_key_gpio_default>;
+
+               button-user {
+                       label = "PB_USER";
+                       gpios = <&pioA 29 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_PROG1>;
+                       wakeup-source;
+               };
+       };
+
        leds {
                compatible = "gpio-leds";
                pinctrl-names = "default";
@@ -189,6 +203,12 @@
                };
        };
 
+       gpio-keys {
+               pinctrl_key_gpio_default: pinctrl-key-gpio {
+                       atmel,pins = <AT91_PIOA 29 AT91_PERIPH_GPIO 
AT91_PINCTRL_NONE>;
+               };
+       };
+
        leds {
                pinctrl_gpio_leds: gpio-leds {
                        atmel,pins = <AT91_PIOD 17 AT91_PERIPH_GPIO 
AT91_PINCTRL_NONE
-- 
2.30.2