ARM: tegra: colibri_t20: iris: add gpio wakeup key

Add SODIMM pin 45 as GPIO wakeup key.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra20-colibri-iris.dts b/arch/arm/boot/dts/tegra20-colibri-iris.dts
index cb7b115674377b2c8edf68fdb885ac7b6d959463..5b25e4b38a690cf314846d6a3471f8cd356ff27d 100644 (file)
--- a/arch/arm/boot/dts/tegra20-colibri-iris.dts
+++ b/arch/arm/boot/dts/tegra20-colibri-iris.dts
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
+#include <dt-bindings/input/input.h>
 #include "tegra20-colibri.dtsi"
 
 / {
@@ -177,6 +178,18 @@
                pwms = <&pwm 0 5000000>; /* PWM<A> */
        };
 
+       gpio-keys {
+               compatible = "gpio-keys";
+
+               wakeup {
+                       label = "SODIMM pin 45 wakeup";
+                       gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
+                       linux,code = <KEY_WAKEUP>;
+                       debounce-interval = <10>;
+                       wakeup-source;
+               };
+       };
+
        panel: panel {
                /*
                 * edt,et057090dhu: EDT 5.7" LCD TFT