diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/include/mach/gpio-track.h')
-rw-r--r-- | arch/arm/mach-s3c2410/include/mach/gpio-track.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-track.h b/arch/arm/mach-s3c2410/include/mach/gpio-track.h new file mode 100644 index 000000000000..acb259103808 --- /dev/null +++ b/arch/arm/mach-s3c2410/include/mach/gpio-track.h | |||
@@ -0,0 +1,33 @@ | |||
1 | /* arch/arm/mach-s3c24100/include/mach/gpio-core.h | ||
2 | * | ||
3 | * Copyright 2008 Openmoko, Inc. | ||
4 | * Copyright 2008 Simtec Electronics | ||
5 | * Ben Dooks <ben@simtec.co.uk> | ||
6 | * http://armlinux.simtec.co.uk/ | ||
7 | * | ||
8 | * S3C2410 - GPIO core support | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License version 2 as | ||
12 | * published by the Free Software Foundation. | ||
13 | */ | ||
14 | |||
15 | #ifndef __ASM_ARCH_GPIO_CORE_H | ||
16 | #define __ASM_ARCH_GPIO_CORE_H __FILE__ | ||
17 | |||
18 | #include <mach/regs-gpio.h> | ||
19 | |||
20 | extern struct s3c_gpio_chip s3c24xx_gpios[]; | ||
21 | |||
22 | static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin) | ||
23 | { | ||
24 | struct s3c_gpio_chip *chip; | ||
25 | |||
26 | if (pin > S3C2410_GPG(10)) | ||
27 | return NULL; | ||
28 | |||
29 | chip = &s3c24xx_gpios[pin/32]; | ||
30 | return (S3C2410_GPIO_OFFSET(pin) < chip->chip.ngpio) ? chip : NULL; | ||
31 | } | ||
32 | |||
33 | #endif /* __ASM_ARCH_GPIO_CORE_H */ | ||