Hi,

On Fri, Jan 17, 2014 at 02:47:29PM +0800, Chen-Yu Tsai wrote:
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
> ---
>  .../devicetree/bindings/rfkill/rfkill-gpio.txt     | 26 ++++++++++++++++++++++
>  net/rfkill/rfkill-gpio.c                           | 23 +++++++++++++++++++
>  2 files changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/rfkill/rfkill-gpio.txt
> 
> diff --git a/Documentation/devicetree/bindings/rfkill/rfkill-gpio.txt b/Documentation/devicetree/bindings/rfkill/rfkill-gpio.txt
> new file mode 100644
> index 0000000..8a07ea4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rfkill/rfkill-gpio.txt
> @@ -0,0 +1,26 @@
> +GPIO controlled RFKILL devices
> +
> +Required properties:
> +- compatible	: Must be "rfkill-gpio".
> +- rfkill-name	: Name of RFKILL device
> +- rfkill-type	: Type of RFKILL device: 1 for WiFi, 2 for BlueTooth
> +- NAME_shutdown-gpios	: GPIO phandle to shutdown control
> +			  (phandle must be the second)

Can't it be handled by a regulator?

> +- NAME_reset-gpios	: GPIO phandle to reset control

And this one using the reset framework?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com