kernel/include/linux/mfd/htc-egpio.h, branch linux-2.6.39.yHosts the 0x221E linux distro kernel.https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-2.6.39.y2008-04-19T10:29:07Z[ARM] 4947/1: htc-egpio, a driver for GPIO/IRQ expanders with fixed input/output pins2008-04-19T10:29:07ZPhilipp Zabelphilipp.zabel@gmail.com2008-04-09T18:20:34Zurn:sha1:a1635b8fe59de2c5223cda5ca8397b875c901904
implemented in CPLD chips on several HTC devices.
The original driver was written by Kevin O'Connor, I have adapted it to
use gpiolib and made the bus/register widths configurable.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>