Set the USER button as a wakeup source to allow wakeup from ULP0.

Signed-off-by: Ludovic Desroches <ludovic.desroc...@microchip.com>
[claudiu.bez...@microchip.com: change subject to match the desired prefix]
Signed-off-by: Claudiu Beznea <claudiu.bez...@microchip.com>
---
 arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts 
b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
index b31778121c41..ac79730213f1 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
+++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
@@ -519,6 +519,7 @@
                        label = "USER";
                        gpios = <&pioA PIN_PA29 GPIO_ACTIVE_LOW>;
                        linux,code = <0x104>;
+                       wakeup-source;
                };
        };
 
-- 
2.7.4

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