linux-kernel - Re: [PATCH v3 06/21] ARM: dts: imx7-colibri: add GPIO wakeup key

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Date:   Fri, 9 Aug 2019 14:46:48 +0000
From:   Marcel Ziswiler <marcel.ziswiler@...adex.com>
To:     Max Krummenacher <max.krummenacher@...adex.com>,
        "stefan@...er.ch" <stefan@...er.ch>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "michal.vokac@...ft.com" <michal.vokac@...ft.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "festevam@...il.com" <festevam@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        Stefan Agner <stefan.agner@...adex.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-imx@....com" <linux-imx@....com>
Subject: Re: [PATCH v3 06/21] ARM: dts: imx7-colibri: add GPIO wakeup key

On Wed, 2019-08-07 at 08:26 +0000, Philippe Schenker wrote:
> From: Stefan Agner <stefan.agner@...adex.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.agner@...adex.com>
> Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>

Acked-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>

> ---
> 
> 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 2480623c92ff..16d1a1ed1aff 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	0x400
> 0007f