diff options
Diffstat (limited to 'arch/arm/plat-omap/include/mach/gpioexpander.h')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/gpioexpander.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/gpioexpander.h b/arch/arm/plat-omap/include/mach/gpioexpander.h new file mode 100644 index 00000000000..90444a0d6b1 --- /dev/null +++ b/arch/arm/plat-omap/include/mach/gpioexpander.h | |||
| @@ -0,0 +1,35 @@ | |||
| 1 | /* | ||
| 2 | * arch/arm/plat-omap/include/mach/gpioexpander.h | ||
| 3 | * | ||
| 4 | * | ||
| 5 | * Copyright (C) 2004 Texas Instruments, Inc. | ||
| 6 | * | ||
| 7 | * This package is free software; you can redistribute it and/or modify | ||
| 8 | * it under the terms of the GNU General Public License version 2 as | ||
| 9 | * published by the Free Software Foundation. | ||
| 10 | * | ||
| 11 | * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | ||
| 12 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | ||
| 13 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | ||
| 14 | */ | ||
| 15 | |||
| 16 | #ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H | ||
| 17 | #define __ASM_ARCH_OMAP_GPIOEXPANDER_H | ||
| 18 | |||
| 19 | /* Function Prototypes for GPIO Expander functions */ | ||
| 20 | |||
| 21 | #ifdef CONFIG_GPIOEXPANDER_OMAP | ||
| 22 | int read_gpio_expa(u8 *, int); | ||
| 23 | int write_gpio_expa(u8 , int); | ||
| 24 | #else | ||
| 25 | static inline int read_gpio_expa(u8 *val, int addr) | ||
| 26 | { | ||
| 27 | return 0; | ||
| 28 | } | ||
| 29 | static inline int write_gpio_expa(u8 val, int addr) | ||
| 30 | { | ||
| 31 | return 0; | ||
| 32 | } | ||
| 33 | #endif | ||
| 34 | |||
| 35 | #endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */ | ||
