[PATCH v3 18/21] ARM: dts: imx6ull-colibri: Add general wakeup key used on Colibri

[Philippe Schenker]

This adds the possibility to wake the module with an external signal
as defined in the Colibri standard

Signed-off-by: Philippe Schenker <philippe.schen...@toradex.com>
---

Changes in v3: None
Changes in v2: None

 arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi 
b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
index 3bee37c75aa6..d3c4809f140e 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
@@ -8,6 +8,20 @@
                stdout-path = "serial0:115200n8";
        };
 
+       gpio-keys {
+               compatible = "gpio-keys";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_snvs_gpiokeys>;
+
+               power {
+                       label = "Wake-Up";
+                       gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+                       linux,code = <KEY_WAKEUP>;
+                       debounce-interval = <10>;
+                       wakeup-source;
+               };
+       };
+
        /* fixed crystal dedicated to mcp2515 */
        clk16m: clk16m {
                compatible = "fixed-clock";
-- 
2.22.0