From: Marcel Ziswiler Date: Mon, 9 Jan 2023 13:19:58 +0000 (+0100) Subject: ARM: dts: colibri-imx6: improve wake-up with gpio key X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=752ddcd291f30f71de747ce25c4ffe843ec6a380;p=linux.git ARM: dts: colibri-imx6: improve wake-up with gpio key The pin GPIO2_IO22 externally pulls down, it is required to sequentially connect this pin (signal WAKE_MICO#) to +3v3 and then disconnect it to trigger a wakeup interrupt. Adding the flag GPIO_PULL_DOWN allows the system to be woken up just connecting the pin GPIO2_IO22 to +3v3. Signed-off-by: Marcel Ziswiler Signed-off-by: Shawn Guo --- diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi index f894d69076043..f69fee94a869e 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -38,7 +38,7 @@ wakeup { debounce-interval = <10>; - gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>; /* SODIMM 45 */ + gpios = <&gpio2 22 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* SODIMM 45 */ label = "Wake-Up"; linux,code = ; wakeup-source;