linux.git/drivers/gpio/Makefile, branch v2.6.29

GPIO: add new Xilinx driver for powerpc

2008-11-13T01:17:16+00:00

This driver supports the Xilinx XPS GPIO IP core which has the typical
GPIO features.

Signed-off-by: Kiran Sutariya 
Signed-off-by: John Linn 
Cc: David Brownell 
Cc: Paul Mackerras 
Cc: Benjamin Herrenschmidt 
Cc: Kumar Gala 
Cc: "Grant Likely" 
Cc: 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

mfd: twl4030-gpio driver

2008-10-21T23:19:39+00:00

This adds basic support for the GPIOs in the twl4030 power management
chip.  That includes two open drain LED drivers, and the use of GPIO-0
(and GPIO-1) as MMC/SD card detect switches which can control whether
the VMMC1 (and VMMC2) regulators are active.

This version of the code has a debounce call that will probably be
replaced before long, when a more generic interface exists.

Signed-off-by: David Brownell 
Signed-off-by: Tony Lindgren 
Signed-off-by: Samuel Ortiz

gpio: max732x driver

2008-07-25T17:53:30+00:00

This adds a driver supporting a family of I2C port expanders from Maxim,
which includes the MAX7319 and MAX7320-7327 chips.

[dbrownell@users.sourceforge.net: minor fixes]
Signed-off-by: Jack Ren 
Signed-off-by: Eric Miao 
Acked-by: Jean Delvare 
Signed-off-by: David Brownell 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

gpiolib: allow user-selection

2008-07-25T17:53:30+00:00

This patch adds functionality to the gpio-lib subsystem to make it
possible to enable the gpio-lib code even if the architecture code didn't
request to get it built in.

The archtitecture code does still need to implement the gpiolib accessor
functions in its asm/gpio.h file.  This patch adds the implementations for
x86 and PPC.

With these changes it is possible to run generic GPIO expansion cards on
every architecture that implements the trivial wrapper functions.  Support
for more architectures can easily be added.

Signed-off-by: Michael Buesch 
Cc: Benjamin Herrenschmidt 
Cc: Stephen Rothwell 
Cc: David Brownell 
Cc: Russell King 
Cc: Haavard Skinnemoen 
Cc: Jesper Nilsson 
Cc: Ralf Baechle 
Cc: Paul Mackerras 
Cc: Benjamin Herrenschmidt 
Cc: Ingo Molnar 
Cc: Thomas Gleixner 
Cc: Jean Delvare 
Cc: Samuel Ortiz 
Cc: Kumar Gala 
Cc: Sam Ravnborg 
Cc: Adrian Bunk 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

gpio: add bt8xxgpio driver

2008-07-25T17:53:30+00:00

This adds the bt8xxgpio driver.  The purpose of the bt8xxgpio driver is to
export all of the 24 GPIO pins available on Brooktree 8xx chips to the
kernel GPIO infrastructure.

This makes it possible to use a physically modified BT8xx card as
cheap digital GPIO card.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Michael Buesch 
Cc: David Brownell 
Cc: Stephen Rothwell 
Cc: Mauro Carvalho Chehab 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

gpio: gpio driver for max7301 SPI GPIO expander

2008-07-22T16:59:40+00:00

Maxim's MAX7301 is an SPI GPIO expander with 28 GPIOs.  Note: MAX7301's
interrupt feature is not supported yet.

[akpm@linux-foundation.org: coding-style fixes]
[g.liakhovetski@pengutronix.de: Fix inaccuracies in comments, check spi_setup()
return code, mask off high byte in max7301_read()]
Signed-off-by: Juergen Beisert 
Signed-off-by: Guennadi Liakhovetski 
Cc: Russell King 
Signed-off-by: David Brownell 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

gpio: rename pca953x symbols

2008-02-06T18:41:15+00:00

This second part of an extension to support more pca953x chips renames the C
and Kconfig symbols.  All affected files were updated by sed, except for a
couple of obvious exceptions.  It also updates the Kconfig helptext.

Signed-off-by: Guennadi Liakhovetski 
Signed-off-by: David Brownell 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

gpio: rename pca9539 driver

2008-02-06T18:41:15+00:00

First part of an extension to let the pca9539 driver support more chips,
starting with pca9534, pca9535, pca9536, pca9537, and pca9538.

This renames the files and modifies the Makefile.

Signed-off-by: Guennadi Liakhovetski 
Signed-off-by: David Brownell 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

gpiolib: pca9539 i2c gpio expander support

2008-02-05T17:44:13+00:00

This adds a new-style I2C driver with basic support for the sixteen bit
PCA9539 GPIO expanders.  These chips have multiple registers, push-pull output
drivers, and (not supported in this patch) pin change interrupts.

Board-specific code must provide "pca9539_platform_data" with each chip's
"i2c_board_info".  That provides the GPIO numbers to be used by that chip, and
callbacks for board-specific setup/teardown logic.

Derived from drivers/i2c/chips/pca9539.c (which has no current known users).
This is faster and simpler; it uses 16-bit register access, and cache the
OUTPUT and DIRECTION registers for fast access

Signed-off-by: eric miao 
Signed-off-by: David Brownell 
Acked-by: Jean Delvare 
Cc: Sam Ravnborg 
Cc: Haavard Skinnemoen 
Cc: Philipp Zabel 
Cc: Russell King 
Cc: Ben Gardner 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

mcp23s08 spi gpio expander support

2008-02-05T17:44:13+00:00

Basic driver for 8-bit SPI based MCP23S08 GPIO expander, without support for
IRQs or the shared chipselect mechanism.

Signed-off-by: David Brownell 
Cc: Jean Delvare 
Cc: Eric Miao 
Cc: Sam Ravnborg 
Cc: Haavard Skinnemoen 
Cc: Philipp Zabel 
Cc: Russell King 
Cc: Ben Gardner 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds