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linux/drivers/gpio
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Roland Stigge 46158aad96 GPIO: LPC32xx: Add output reading to GPO P3 
The chip offers the function to detect the current state of output of the GPO
P3 pins. Useful for reading GPIO output state in Linux' GPIO API, e.g. via
sysfs.

Please note that this only reads back the currently programmed output state,
not the actual electrical level in terms of a GPI function. Finally, GPO3 is
still just an output.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-12 11:25:30 -06:00
..
devres.c GPIO: add bindings for managed devices 2012-01-04 11:37:42 -07:00
gpio-74x164.c drivers/gpio: Fix drivers who are implicit users of module.h 2011-10-31 19:31:47 -04:00
gpio-ab8500.c gpio: ab8500: fix MODULE_ALIAS for ab8500 2011-07-28 16:19:23 -06:00
gpio-adp5520.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-adp5588.c gpiolib: output basic details and consolidate gpio device drivers 2011-12-12 13:40:16 -07:00
gpio-bt8xx.c gpiolib: output basic details and consolidate gpio device drivers 2011-12-12 13:40:16 -07:00
gpio-cs5535.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-da9052.c Changes queued in gpio/next for the start of the 3.3 merge window 2012-01-07 12:15:36 -08:00
gpio-davinci.c ARM: 7074/1: gpio: davinci: eliminate unused variable warnings 2011-09-05 11:26:34 +01:00
gpio-ep93xx.c drivers/gpio: Fix drivers who are implicit users of module.h 2011-10-31 19:31:47 -04:00
gpio-generic.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-it8761e.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-janz-ttl.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-ks8695.c ARM: 7036/1: mach-ks8695: break out GPIO driver specifics 2011-08-22 09:12:54 +01:00
gpio-langwell.c gpio: langwell: ensure alternate function is cleared 2011-10-06 04:14:52 -06:00
gpio-lpc32xx.c GPIO: LPC32xx: Add output reading to GPO P3 2012-03-12 11:25:30 -06:00
gpio-max730x.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-max732x.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-max7300.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-max7301.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-mc9s08dz60.c ARM/mx35/3ds: gpio: add mc9s08dz60 gpio function 2012-01-30 07:49:08 -07:00
gpio-mc33880.c drivers/gpio: Fix drivers who are implicit users of module.h 2011-10-31 19:31:47 -04:00
gpio-mcp23s08.c drivers/gpio: Fix drivers who are implicit users of module.h 2011-10-31 19:31:47 -04:00
gpio-ml-ioh.c gpio: Add missing spin_lock_init in gpio-ml-ioh driver 2012-02-01 21:59:37 -07:00
gpio-mpc8xxx.c irq_domain/powerpc: Replace custom xlate functions with library functions 2012-02-16 06:11:24 -07:00
gpio-mpc5200.c drivers/gpio: Fix drivers who are implicit users of module.h 2011-10-31 19:31:47 -04:00
gpio-msm-v1.c gpio_msm: Move Qualcomm v6 MSM driver into drivers 2011-08-01 04:58:00 -07:00
gpio-msm-v2.c gpio_msm: Move Qualcomm MSM v2 gpio driver into drivers 2011-08-01 04:58:00 -07:00
gpio-mxc.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
gpio-mxs.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
gpio-nomadik.c gpiolib: output basic details and consolidate gpio device drivers 2011-12-12 13:40:16 -07:00
gpio-omap.c gpio/omap: fix wakeups on level-triggered GPIOs 2012-03-12 10:16:11 -06:00
gpio-pca953x.c gpio: pca953x: Staticise pca953x_get_altdata() 2011-11-21 20:53:15 +01:00
gpio-pcf857x.c gpiolib: output basic details and consolidate gpio device drivers 2011-12-12 13:40:16 -07:00
gpio-pch.c gpio: Add missing spin_lock_init in gpio-pch driver 2012-02-01 21:59:15 -07:00
gpio-pl061.c gpio/gpio-pl061: No need of thaw and poweroff routines for hibernate 2012-02-16 06:37:51 -07:00
gpio-pxa.c ARM: pxa: add clk support in gpio driver 2011-11-15 19:09:36 +08:00
gpio-rdc321x.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-sa1100.c GPIO: sa1100: implement proper gpiolib gpio_to_irq conversion 2012-01-13 22:25:23 -07:00
gpio-samsung.c gpio: samsung: adapt to changes in gpio specifier translator function declaration 2012-02-01 17:05:28 -07:00
gpio-sch.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-sodaville.c gpio: Add a driver for Sodaville GPIO controller 2012-02-03 16:13:25 -07:00
gpio-stmpe.c gpio: Add support for stmpe variant 801 2012-01-09 00:37:44 +01:00
gpio-sx150x.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-tc3589x.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-tegra.c drivers/gpio/gpio-tegra.c: use devm_request_and_ioremap 2012-01-02 01:43:50 -07:00
gpio-timberdale.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-tnetv107x.c ARM: 7039/1: mach-davinci: move DaVinci TNET GPIO driver to GPIO subsystem 2011-08-22 09:12:55 +01:00
gpio-tps65910.c gpio: tps65910: Add sleep control support 2012-02-05 23:08:29 -07:00
gpio-tps65912.c tps65912: gpio: add gpio driver 2011-07-31 23:28:22 +02:00
gpio-twl4030.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-ucb1400.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-vr41xx.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-vx855.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-wm831x.c Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6 2011-07-22 14:50:57 -07:00
gpio-wm8350.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-wm8994.c gpio: Add decode of WM8994 GPIO configuration 2012-01-02 00:27:01 -07:00
gpio-xilinx.c gpiolib: output basic details and consolidate gpio device drivers 2011-12-12 13:40:16 -07:00
gpiolib.c gpiolib: Add comments explaining the _cansleep() WARN_ON()s 2012-03-05 08:05:08 -07:00
Kconfig gpio: Add a driver for Sodaville GPIO controller 2012-02-03 16:13:25 -07:00
Makefile gpio: Add a driver for Sodaville GPIO controller 2012-02-03 16:13:25 -07:00