[U-Boot] [U-Boot, v2, 1/3] gpio: Kconfig: Add CONFIG_AT91_GPIO option

[Andreas Bießmann]

On Fri, Oct 28, 2016 at 02:16:27PM +0800, Wenyou Yang wrote:
> The CONFIG_AT91_GPIO option is used to select AT91 PIO GPIO driver.
> 
> Signed-off-by: Wenyou Yang <wenyou.yang at atmel.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Reviewed-by: Andreas Bießmann <andreas at biessmann.org>

> ---
> 
> Changes in v2: None
> 
>  drivers/gpio/Kconfig | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index 8d9ab52..c065342 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -28,6 +28,19 @@ config DWAPB_GPIO
>  	help
>  	  Support for the Designware APB GPIO driver.
>  
> +config AT91_GPIO
> +	bool "AT91 PIO GPIO driver"
> +	depends on DM_GPIO
> +	default n
> +	help
> +	  Say yes here to select AT91 PIO GPIO driver. AT91 PIO
> +	  controller manages up to 32 fully programmable input/output
> +	  lines. Each I/O line may be dedicated as a general-purpose
> +	  I/O or be assigned to a function of an embedded peripheral.
> +	  The assignment to a function of an embedded peripheral is
> +	  the responsibility of AT91 Pinctrl driver. This driver is
> +	  responsible for the general-purpose I/O.
> +
>  config ATMEL_PIO4
>  	bool "ATMEL PIO4 driver"
>  	depends on DM_GPIO