diff options
| author | Jamie Iles <jamie@jamieiles.com> | 2011-07-28 16:25:41 +0100 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-07-28 16:19:22 -0600 |
| commit | 3038bbdf7404ae3948385cbde30df946579d4e3a (patch) | |
| tree | 808e8eebc52995ab6e414e74adb44cf2890fcff9 /include/linux/of_gpio.h | |
| parent | 95b6886526bb510b8370b625a49bc0ab3b8ff10f (diff) | |
| download | blackbird-op-linux-3038bbdf7404ae3948385cbde30df946579d4e3a.tar.gz blackbird-op-linux-3038bbdf7404ae3948385cbde30df946579d4e3a.zip | |
of/gpio: export of_gpio_simple_xlate
Allow GPIO drivers to use of_gpio_simple_xlate. This is useful for the
generic GPIO driver for example where gpio_chip is embedded in
bgpio_chip and doesn't need of_mm_gpio_chip but has a simple 1:1 GPIO
mapping.
Cc: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'include/linux/of_gpio.h')
| -rw-r--r-- | include/linux/of_gpio.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index aec8025c786a..52280a2b5e63 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -57,6 +57,8 @@ extern int of_mm_gpiochip_add(struct device_node *np, extern void of_gpiochip_add(struct gpio_chip *gc); extern void of_gpiochip_remove(struct gpio_chip *gc); extern struct gpio_chip *of_node_to_gpiochip(struct device_node *np); +extern int of_gpio_simple_xlate(struct gpio_chip *gc, struct device_node *np, + const void *gpio_spec, u32 *flags); #else /* CONFIG_OF_GPIO */ @@ -72,6 +74,13 @@ static inline unsigned int of_gpio_count(struct device_node *np) return 0; } +static inline int of_gpio_simple_xlate(struct gpio_chip *gc, + struct device_node *np, + const void *gpio_spec, u32 *flags) +{ + return -ENOSYS; +} + static inline void of_gpiochip_add(struct gpio_chip *gc) { } static inline void of_gpiochip_remove(struct gpio_chip *gc) { } |
