From: Stefan Agner <stefan.agner@xxxxxxxxxxx>
Add wakeup GPIO key which is able to wake the system from sleep
modes (e.g. Suspend-to-Memory).
Signed-off-by: Stefan Agner <stefan.agner@xxxxxxxxxxx>
Signed-off-by: Philippe Schenker <philippe.schenker@xxxxxxxxxxx>
Acked-by: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx>
---
Changes in v5:
- changed legacy gpio-key,wakeup to wakeup-source
Changes in v4:
- Add Marcel Ziswiler's Ack
Changes in v3: None
Changes in v2: None
arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi | 14 ++++++++++++++
arch/arm/boot/dts/imx7-colibri.dtsi | 7 ++++++-
2 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
index 3f2746169181..45c4e721115a 100644
--- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
@@ -52,6 +52,20 @@
clock-frequency = <16000000>;
};
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpiokeys>;
+
+ power {
+ label = "Wake-Up";
+ gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+ linux,code = <KEY_WAKEUP>;
+ debounce-interval = <10>;
+ wakeup-source;
+ };
+ };
+
panel: panel {
compatible = "edt,et057090dhu";
backlight = <&bl>;
diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index 895fbde4d433..b72940e7d00b 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -682,12 +682,17 @@
pinctrl_gpio_lpsr: gpio1-grp {
fsl,pins = <
- MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1 0x59
MX7D_PAD_LPSR_GPIO1_IO02__GPIO1_IO2 0x59
MX7D_PAD_LPSR_GPIO1_IO03__GPIO1_IO3 0x59
>;
};
+ pinctrl_gpiokeys: gpiokeysgrp {
+ fsl,pins = <
+ MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1 0x19
+ >;
+ };
+
pinctrl_i2c1: i2c1-grp {
fsl,pins = <
MX7D_PAD_LPSR_GPIO1_IO05__I2C1_SDA 0x4000007f
--
2.23.0
