ARM: ux500: Enable LED heartbeat functionality on Snowbal via DT

This patch configures the user LED on Snowball to double flash
every second or so, whilst it's still alive. This can give key
indications as to what the board is doing in the case of no
console output.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
index aefcb7f3825eb7c9bdf29fcac81dbedab701c260..7e334d4cae217c8584032666b4301325944786ed 100644 (file)
--- a/arch/arm/boot/dts/snowball.dts
+++ b/arch/arm/boot/dts/snowball.dts
@@ -78,6 +78,7 @@
                        label = "user_led";
                        gpios = <&gpio4 14 0x4>;
                        default-state = "on";
+                       linux,default-trigger = "heartbeat";
                };
        };