ARM: mvebu: Add button on Armada 370 Reference Design board

The Marvell Armada 370 Reference Design board has a software-controlled
button on the front side, marked as "SW".
This patch adds minimal support for this button.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

diff --git a/arch/arm/boot/dts/armada-370-rd.dts b/arch/arm/boot/dts/armada-370-rd.dts
index f8e4855..0656c81 100644 (file)
--- a/arch/arm/boot/dts/armada-370-rd.dts
+++ b/arch/arm/boot/dts/armada-370-rd.dts
@@ -65,4 +65,15 @@
                        /* No CD or WP GPIOs */
                };
        };
+
+       gpio-keys {
+               compatible = "gpio-keys";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               button@1 {
+                       label = "Software Button";
+                       linux,code = <116>;
+                       gpios = <&gpio0 6 1>;
+               };
+       };
 };