diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-11 13:00:56 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-11 13:00:56 -0800 |
| commit | b0885d01f9ab1274109c02942c881d598f939623 (patch) | |
| tree | 8c0e33fa141f2732a5c8e0e2db8b457d5cd865f9 /include/asm-generic | |
| parent | bad73c5aa069f1f14cc07ce7bbae8d463635560c (diff) | |
| parent | fc13d5a5b17c657b7682c145d367dcb859c507d9 (diff) | |
Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull GPIO updates from Grant Likely:
"GPIO follow up patch and type change for v3.5 merge window
Primarily device driver additions, features and bug fixes. Not much
touching gpio common subsystem support. Should not be scary."
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
gpio: Provide the STMPE GPIO driver with its own IRQ Domain
gpio: add TS-5500 DIO blocks support
gpio: pcf857x: use client->irq for gpio_to_irq()
gpio: stmpe: Add DT support for stmpe gpio
gpio: pl061 depends on ARM
gpio/pl061: remove old comment
gpio: SPEAr: add spi chipselect control driver
gpio: gpio-max710x: Support device tree probing
gpio: twl4030: Use only TWL4030_MODULE_LED for LED configuration
gpio: tegra: read output value when gpio is set in direction_out
gpio: pca953x: Add compatible strings to gpio-pca953x driver
gpio: pca953x: Register an IRQ domain
gpio: mvebu: Set free callback for gpio_chip
gpio: tegra: Drop exporting static functions
gpio: tegra: Staticize non-exported symbols
gpio: tegra: fix suspend/resume apis
gpio-pch: Set parent dev for gpio chip
gpio: em: Fix build errors
GPIO: clps711x: use platform_device_unregister in gpio_clps711x_init()
gpio/tc3589x: convert to use the simple irqdomain
...
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/gpio.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 9fd3093d855..20ca7663975 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -57,6 +57,8 @@ struct device_node; * enabling module power and clock; may sleep * @free: optional hook for chip-specific deactivation, such as * disabling module power and clock; may sleep + * @get_direction: returns direction for signal "offset", 0=out, 1=in, + * (same as GPIOF_DIR_XXX), or negative error * @direction_input: configures signal "offset" as input, or returns error * @get: returns value for signal "offset"; for output signals this * returns either the value actually sensed, or zero @@ -101,7 +103,8 @@ struct gpio_chip { unsigned offset); void (*free)(struct gpio_chip *chip, unsigned offset); - + int (*get_direction)(struct gpio_chip *chip, + unsigned offset); int (*direction_input)(struct gpio_chip *chip, unsigned offset); int (*get)(struct gpio_chip *chip, |