linux-kernel - Re: [PATCH v0] arm64: dts: Add poweroff button device node for APM X-Gene platform

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Date:	Thu, 25 Jun 2015 16:09:38 +0100
From:	Mark Rutland <mark.rutland@....com>
To:	Y Vo <yvo@....com>
Cc:	"linus.walleij@...aro.org" <linus.walleij@...aro.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"arm@...nel.org" <arm@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Phong Vo <pvo@....com>, Toan Le <toanle@....com>,
	"patches@....com" <patches@....com>, Loc Ho <lho@....com>
Subject: Re: [PATCH v0] arm64: dts: Add poweroff button device node for APM
 X-Gene platform

On Wed, Jun 17, 2015 at 02:41:52AM +0100, Y Vo wrote:
> This patch adds poweroff button device node to support poweroff feature
> on APM X-Gene Mustang platform.
> 
> Signed-off-by: Y Vo <yvo@....com>
> ---
>  arch/arm64/boot/dts/apm/apm-mustang.dts |   11 +++++++++++
>  1 files changed, 11 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/apm/apm-mustang.dts b/arch/arm64/boot/dts/apm/apm-mustang.dts
> index 83578e7..67979c8 100644
> --- a/arch/arm64/boot/dts/apm/apm-mustang.dts
> +++ b/arch/arm64/boot/dts/apm/apm-mustang.dts
> @@ -23,6 +23,17 @@
>  		device_type = "memory";
>  		reg = < 0x1 0x00000000 0x0 0x80000000 >; /* Updated by bootloader */
>  	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		apm_ctrl_name = "Power Button";

Huh?

Undocumented, unused, and doesn't follwo the "vendor,property" naming
scheme...

Mark.

> +		btn3 {
> +			label = "EXT_PWR";
> +			linux,code = <116>;
> +			linux,input-type = <0x1>;     /* EV_KEY */
> +			interrupts = <0x0 0x2d 0x1>;
> +		};
> +	};
>  };
>  
>  &pcie0clk {
> -- 
> 1.7.1
> 
> --
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