arm64: dts: imx8mq-librem5: make the volume buttons a wakeup source

They turn on the display currently so to be consistent, let's make
them wake the system from suspend as well.

Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index 05c1637..0d39146 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -42,6 +42,7 @@
                        gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
                        linux,code = <KEY_VOLUMEDOWN>;
                        debounce-interval = <50>;
+                       wakeup-source;
                };
 
                vol-up {
@@ -49,6 +50,7 @@
                        gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
                        linux,code = <KEY_VOLUMEUP>;
                        debounce-interval = <50>;
+                       wakeup-source;
                };
        };