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gpio.h
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1 /* arch/arm/mach-s3c2410/include/mach/gpio.h
2  *
3  * Copyright (c) 2008 Simtec Electronics
4  * http://armlinux.simtec.co.uk/
5  * Ben Dooks <[email protected]>
6  *
7  * S3C2410 - GPIO lib support
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12 */
13 
14 /* some boards require extra gpio capacity to support external
15  * devices that need GPIO.
16  */
17 
18 #ifdef CONFIG_CPU_S3C244X
19 #define ARCH_NR_GPIOS (32 * 9 + CONFIG_S3C24XX_GPIO_EXTRA)
20 #elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
21 #define ARCH_NR_GPIOS (32 * 12 + CONFIG_S3C24XX_GPIO_EXTRA)
22 #else
23 #define ARCH_NR_GPIOS (256 + CONFIG_S3C24XX_GPIO_EXTRA)
24 #endif
25 
26 #include <mach/gpio-nrs.h>
27 #include <mach/gpio-fns.h>
28 
29 #ifdef CONFIG_CPU_S3C244X
30 #define S3C_GPIO_END (S3C2410_GPJ(0) + 32)
31 #elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
32 #define S3C_GPIO_END (S3C2410_GPM(0) + 32)
33 #else
34 #define S3C_GPIO_END (S3C2410_GPH(0) + 32)
35 #endif