From fd5d2974652c96935d94301af6eaf6b3585ab330 Mon Sep 17 00:00:00 2001 From: Oleksandr Suvorov Date: Mon, 16 May 2022 15:47:16 +0200 Subject: [PATCH] ARM: dts: imx7-colibri: improve wake-up with gpio key The pin GPIO1_IO01 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 GPIO1_IO01 to +3v3. Signed-off-by: Oleksandr Suvorov Signed-off-by: Marcel Ziswiler Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx7-colibri-aster.dtsi | 2 +- arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx7-colibri-aster.dtsi b/arch/arm/boot/dts/imx7-colibri-aster.dtsi index bfadb3a..9148c54 100644 --- a/arch/arm/boot/dts/imx7-colibri-aster.dtsi +++ b/arch/arm/boot/dts/imx7-colibri-aster.dtsi @@ -15,7 +15,7 @@ power { label = "Wake-Up"; - gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>; + gpios = <&gpio1 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; linux,code = ; debounce-interval = <10>; wakeup-source; diff --git a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi index 074c96f..4a7e593 100644 --- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi +++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi @@ -34,7 +34,7 @@ power { label = "Wake-Up"; - gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>; + gpios = <&gpio1 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; linux,code = ; debounce-interval = <10>; wakeup-source; -- 2.7.4