[U-Boot] [PATCH v2 4/6] sunxi: axp: Move axp gpio code to a separate axpi-gpio driver

[Ian Campbell]

On Sun, 2015-04-26 at 11:51 +0200, Hans de Goede wrote:
> Move the axp-gpio code out of the drivers/power/axp*.c code, and into
> a new separate axpi-gpio driver.
> 
> This change drops supports for the gpio3 pin on the axp209, as that requires
> special handling, and no boards are using it.
> 
> Besides cleaning things up by moving the code to a separate driver, as
> a bonus this change also adds support for the (non vusb) gpio pins on the
> axp221 and the gpio pins on the axp152.
> 
> The new axp-gpio driver gets its own Kconfig option, and is only enabled
> on boards which need it. Besides that it only gets enabled in the regular
> u-boot build and not for the SPL as we never need it in the SPL.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Acked-by: Ian Campbell <ijc at hellion.org.uk>