cs5535-gpio: add AMD CS5535/CS5536 GPIO driver support
authorAndres Salomon <dilinger@collabora.co.uk>
Tue, 15 Dec 2009 02:00:32 +0000 (18:00 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 15 Dec 2009 16:53:27 +0000 (08:53 -0800)
commit5f0a96b044d8edaee20f4a32ef6c393599ca55f8
treea46994e95854d1771ea6829826793f8bceb39751
parent1f2f38d89d1eced2079189cd880eeacee378370a
cs5535-gpio: add AMD CS5535/CS5536 GPIO driver support

This creates a CS5535/CS5536 GPIO driver which uses a gpio_chip backend
(allowing GPIO users to use the generic GPIO API if desired) while also
allowing architecture-specific users directly (via the cs5535_gpio_*
functions).

Tested on an OLPC machine.  Some Leemotes also use CS5536 (with a mips
cpu), which is why this is in drivers/gpio rather than arch/x86.
Currently, it conflicts with older geode GPIO support; once MFGPT support
is reworked to also be more generic, the older geode code will be removed.

Signed-off-by: Andres Salomon <dilinger@collabora.co.uk>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: David Brownell <david-b@pacbell.net>
Reviewed-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/x86/include/asm/geode.h
drivers/gpio/Kconfig
drivers/gpio/Makefile
drivers/gpio/cs5535-gpio.c [new file with mode: 0644]
include/linux/cs5535.h [new file with mode: 0644]