linux-kernel - Re: [PATCH 03/18] ARM: dts: vf610-colibri: GPIO wakeup key

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Date:	Thu, 31 Mar 2016 16:19:08 +0800
From:	Shawn Guo <shawnguo@...nel.org>
To:	Stefan Agner <stefan@...er.ch>
Cc:	mturquette@...libre.com, sboyd@...eaurora.org,
	kernel@...gutronix.de, sergeimir@...raft.com, tglx@...utronix.de,
	jason@...edaemon.net, marc.zyngier@....com, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH 03/18] ARM: dts: vf610-colibri: GPIO wakeup key

On Wed, Mar 09, 2016 at 06:16:44PM -0800, Stefan Agner wrote:
> Enable GPIO wakeup key on Vybrid PAD 41 which is routed to the
> Colibri default wakeup pin SO-DIMM 45.
> 
> Signed-off-by: Stefan Agner <stefan@...er.ch>

I think this one can be merged independently, right?  One small comment
below though.

> ---
>  arch/arm/boot/dts/vf-colibri-eval-v3.dtsi | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
> index 4d8b7f6..936ece6 100644
> --- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
> +++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
> @@ -39,6 +39,8 @@
>   *     OTHER DEALINGS IN THE SOFTWARE.
>   */
>  
> +#include <dt-bindings/input/input.h>
> +
>  / {
>  	chosen {
>  		stdout-path = "serial0:115200n8";
> @@ -74,6 +76,20 @@
>  		gpio = <&gpio2 19 GPIO_ACTIVE_LOW>; /* USBH_PEN resp. USBH_P_EN */
>  		vin-supply = <&reg_5v0>;
>  	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_gpiokeys>;
> +
> +		power {
> +			label = "Wake-Up";
> +			gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
> +			linux,code = <KEY_WAKEUP>;
> +			debounce-interval = <10>;
> +			gpio-key,wakeup;

Please use generic 'wakeup-source' instead.  See the following document
for details.

Documentation/devicetree/bindings/power/wakeup-source.txt

Shawn

> +		};
> +	};
>  };
>  
>  &bl {
> @@ -157,5 +173,11 @@
>  				VF610_PAD_PTB21__GPIO_43	0x22ed
>  			>;
>  		};
> +
> +		pinctrl_gpiokeys: gpiokeys {
> +			fsl,pins = <
> +				VF610_PAD_PTB19__GPIO_41	0x218d
> +			>;
> +		};
>  	};
>  };
> -- 
> 2.7.2
> 
>