34 lines
860 B
C
34 lines
860 B
C
/* arch/arm/mach-s3c24100/include/mach/gpio-core.h
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*
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* Copyright 2008 Openmoko, Inc.
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* Copyright 2008 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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* http://armlinux.simtec.co.uk/
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*
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* S3C2410 - GPIO core support
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_ARCH_GPIO_CORE_H
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#define __ASM_ARCH_GPIO_CORE_H __FILE__
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#include <mach/regs-gpio.h>
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extern struct s3c_gpio_chip s3c24xx_gpios[];
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static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin)
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{
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struct s3c_gpio_chip *chip;
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if (pin > S3C_GPIO_END)
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return NULL;
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chip = &s3c24xx_gpios[pin/32];
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return ((pin - chip->chip.base) < chip->chip.ngpio) ? chip : NULL;
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}
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#endif /* __ASM_ARCH_GPIO_CORE_H */
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