[PATCH 1/5] ARM: dts: exynos5250-arndale: Add node entry for gpio-buttons

[Kumar, Anil]

On Thu, Feb 07, 2013 at 10:45:25, Tushar Behera wrote:
> Added GPIO buttons DT node to Arndale board file.
> 
> Signed-off-by: Tushar Behera <tushar.behera at linaro.org>
> Signed-off-by: Sachin Kamat <sachin.kamat at linaro.org>
> ---
> This series is based on for-next branch of Kukjin Kim's tree
> and added on top of the below patch:
> https://patchwork.kernel.org/patch/2042451/
> ---
>  arch/arm/boot/dts/exynos5250-arndale.dts |   48 ++++++++++++++++++++++++++++++
>  1 files changed, 48 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
> index 63572f9..9ce40df 100644
> --- a/arch/arm/boot/dts/exynos5250-arndale.dts
> +++ b/arch/arm/boot/dts/exynos5250-arndale.dts
> @@ -119,4 +119,52 @@
>  	spi_2: spi at 12d40000 {
>  		status = "disabled";
>  	};
> +
> +	gpio_keys {
> +		compatible = "gpio-keys";
> +		#address-cells = <1>;
> +		#size-cells = <0>;

Just want to understand why these properties are here?  
As these properties are for child dt node. But have not seen
anyone is using here.

Sorry if I have misunderstood. 

> +
> +		menu {
> +			label = "SW-TACT2";
> +			gpios = <&gpx1 4 0 0x10000 2>;
> +			linux,code = <139>;
> +			gpio-key,wakeup;
> +		};
> +
> +		home {
> +			label = "SW-TACT3";
> +			gpios = <&gpx1 5 0 0x10000 2>;
> +			linux,code = <102>;
> +			gpio-key,wakeup;
> +		};
> +
> +		up {
> +			label = "SW-TACT4";
> +			gpios = <&gpx1 6 0 0x10000 2>;
> +			linux,code = <103>;
> +			gpio-key,wakeup;
> +		};
> +
> +		down {
> +			label = "SW-TACT5";
> +			gpios = <&gpx1 7 0 0x10000 2>;
> +			linux,code = <108>;
> +			gpio-key,wakeup;
> +		};
> +
> +		back {
> +			label = "SW-TACT6";
> +			gpios = <&gpx2 0 0 0x10000 2>;
> +			linux,code = <158>;
> +			gpio-key,wakeup;
> +		};
> +
> +		wakeup {
> +			label = "SW-TACT7";
> +			gpios = <&gpx2 1 0 0x10000 2>;
> +			linux,code = <143>;
> +			gpio-key,wakeup;
> +		};
> +	};
>  };
> -- 
> 1.7.4.1
> 
> 
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