[U-Boot] [PATCH 2/9 v4] i.MX31: add a simple gpio driver

[Anatolij Gustschin]

> From: Guennadi Liakhovetski <lg at denx.de>
> 
> This is a minimal driver, so far only managing output. It will
> be used by the mxc_spi.c driver.
> 
> Signed-off-by: Guennadi Liakhovetski <lg at denx.de>
> Signed-off-by: Anatolij Gustschin <agust at denx.de>
> ---
> 
> Changes since v1: alphabetical order, typo in copyright fixed, use
> ARRAY_SIZE.
> Changes since v2: fixed wrong indentation in int mx31_gpio_direction()
> declaration.
> Changes since v3: use macros defined in
> "mx31: add GPIO registers definitions" patch by Ilya Yanok.
> 
> After an ACK from Jean-Christophe I'm going to push it
> via video tree.
> 
> Anatolij
> 
>  drivers/gpio/Makefile            |    3 +-
>  drivers/gpio/mx31_gpio.c         |   73 ++++++++++++++++++++++++++++++++++++++
>  include/asm-arm/arch-mx31/mx31.h |   20 ++++++++++
>  3 files changed, 95 insertions(+), 1 deletions(-)
>  create mode 100644 drivers/gpio/mx31_gpio.c

Applied to u-boot-video/master.

Thanks,
Anatolij