From: Stefan Agner <stefan.ag...@toradex.com> 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.ag...@toradex.com> Signed-off-by: Philippe Schenker <philippe.schen...@toradex.com> Acked-by: Marcel Ziswiler <marcel.ziswi...@toradex.com> --- 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..d4dbc4fc1adf 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>; + gpio-key,wakeup; + }; + }; + 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 cab40d22d24e..5347ed38acb2 100644 --- a/arch/arm/boot/dts/imx7-colibri.dtsi +++ b/arch/arm/boot/dts/imx7-colibri.dtsi @@ -741,12 +741,17 @@ 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 -- 2.22.0