diff options
| author | Tzachi Perelstein <tzachi@marvell.com> | 2007-10-23 15:14:42 -0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-01-26 15:03:45 +0000 |
| commit | 01af72e4e36fba66cd7cfc2a628efee866c346d1 (patch) | |
| tree | 5e2c795f7cfa2ebb876d5244d7126cf8d4fb5896 /include/asm-arm | |
| parent | c67de5b3c0bb48ac56f14928e11f1f7d76add26f (diff) | |
[ARM] Orion: GPIO support
Signed-off-by: Tzachi Perelstein <tzachi@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Acked-by: David Brownell <david-b@pacbell.net>
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/arch-orion/gpio.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-arm/arch-orion/gpio.h b/include/asm-arm/arch-orion/gpio.h new file mode 100644 index 00000000000..6d5848ed9a3 --- /dev/null +++ b/include/asm-arm/arch-orion/gpio.h @@ -0,0 +1,27 @@ +/* + * include/asm-arm/arch-orion/gpio.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +extern int gpio_request(unsigned pin, const char *label); +extern void gpio_free(unsigned pin); +extern int gpio_direction_input(unsigned pin); +extern int gpio_direction_output(unsigned pin, int value); +extern int gpio_get_value(unsigned pin); +extern void gpio_set_value(unsigned pin, int value); +extern void gpio_display(void); /* debug */ + +static inline int gpio_to_irq(int pin) +{ + return pin + IRQ_ORION_GPIO_START; +} + +static inline int irq_to_gpio(int irq) +{ + return irq - IRQ_ORION_GPIO_START; +} + +#include <asm-generic/gpio.h> /* cansleep wrappers */ |