linux-toradex.git/include/linux/input/adp5589.h, branch v3.0-rc3 Linux kernel for Apalis and Colibri modules Input: ADP5589 - new driver for I2C Keypad Decoder and I/O Expander 2011-05-19T07:59:55+00:00 Michael Hennerich michael.hennerich@analog.com 2011-05-19T07:59:32+00:00 9d2e173644bb5c42ff1b280fbdda3f195a7cf1f7 From http://www.analog.com/ADP5589: The ADP5589 is an I/O port expander and keypad matrix decoder designed for QWERTY type phones that require a large keypad matrix and expanded I/O lines. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
From http://www.analog.com/ADP5589:
The ADP5589 is an I/O port expander and keypad matrix decoder designed
for QWERTY type phones that require a large keypad matrix and expanded
I/O lines.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>