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gpio: Add VIA VX855 GPIO driver

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This is needed for supporting the upcoming VX855 camera and OLPC DCON
drivers, as well as the advanced viafb features on non-OLPC hardware
based on this chip.

Based on earlier work by Harald Welte.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Daniel Drake
2010-09-30 21:55:48 +01:00
committed by Samuel Ortiz
parent 375fc77ba9
commit 99ea2626a7
3 changed files with 345 additions and 0 deletions
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12
drivers/gpio/Kconfig
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@@ -116,6 +116,18 @@ config GPIO_SCH
This driver can also be built as a module. If so, the module
will be called sch-gpio.
config GPIO_VX855
tristate "VIA VX855/VX875 GPIO"
depends on GPIOLIB
select MFD_CORE
select MFD_VX855
help
Support access to the VX855/VX875 GPIO lines through the gpio library.
This driver provides common support for accessing the device,
additional drivers must be enabled in order to use the
functionality of the device.
comment "I2C GPIO expanders:"
config GPIO_MAX7300