1 /* 2 * Copyright (c) 2008 Simtec Electronics 3 * http://armlinux.simtec.co.uk/ 4 * Ben Dooks <ben@simtec.co.uk> 5 * 6 * S3C2410 - GPIO lib support 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13 /* some boards require extra gpio capacity to support external 14 * devices that need GPIO. 15 */ 16 17 #ifndef GPIO_SAMSUNG_S3C24XX_H 18 #define GPIO_SAMSUNG_S3C24XX_H 19 20 /* 21 * GPIO sizes for various SoCs: 22 * 23 * 2410 2412 2440 2443 2416 24 * 2442 25 * ---- ---- ---- ---- ---- 26 * A 23 22 25 16 27 27 * B 11 11 11 11 11 28 * C 16 16 16 16 16 29 * D 16 16 16 16 16 30 * E 16 16 16 16 16 31 * F 8 8 8 8 8 32 * G 16 16 16 16 8 33 * H 11 11 11 15 15 34 * J -- -- 13 16 -- 35 * K -- -- -- -- 16 36 * L -- -- -- 15 14 37 * M -- -- -- 2 2 38 */ 39 40 /* GPIO bank sizes */ 41 42 #define S3C2410_GPIO_A_NR (32) 43 #define S3C2410_GPIO_B_NR (32) 44 #define S3C2410_GPIO_C_NR (32) 45 #define S3C2410_GPIO_D_NR (32) 46 #define S3C2410_GPIO_E_NR (32) 47 #define S3C2410_GPIO_F_NR (32) 48 #define S3C2410_GPIO_G_NR (32) 49 #define S3C2410_GPIO_H_NR (32) 50 #define S3C2410_GPIO_J_NR (32) /* technically 16. */ 51 #define S3C2410_GPIO_K_NR (32) /* technically 16. */ 52 #define S3C2410_GPIO_L_NR (32) /* technically 15. */ 53 #define S3C2410_GPIO_M_NR (32) /* technically 2. */ 54 55 #if CONFIG_S3C_GPIO_SPACE != 0 56 #error CONFIG_S3C_GPIO_SPACE cannot be nonzero at the moment 57 #endif 58 59 #define S3C2410_GPIO_NEXT(__gpio) \ 60 ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 0) 61 62 #ifndef __ASSEMBLY__ 63 64 enum s3c_gpio_number { 65 S3C2410_GPIO_A_START = 0, 66 S3C2410_GPIO_B_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_A), 67 S3C2410_GPIO_C_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_B), 68 S3C2410_GPIO_D_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_C), 69 S3C2410_GPIO_E_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_D), 70 S3C2410_GPIO_F_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_E), 71 S3C2410_GPIO_G_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_F), 72 S3C2410_GPIO_H_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_G), 73 S3C2410_GPIO_J_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_H), 74 S3C2410_GPIO_K_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_J), 75 S3C2410_GPIO_L_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_K), 76 S3C2410_GPIO_M_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_L), 77 }; 78 79 #endif /* __ASSEMBLY__ */ 80 81 /* S3C2410 GPIO number definitions. */ 82 83 #define S3C2410_GPA(_nr) (S3C2410_GPIO_A_START + (_nr)) 84 #define S3C2410_GPB(_nr) (S3C2410_GPIO_B_START + (_nr)) 85 #define S3C2410_GPC(_nr) (S3C2410_GPIO_C_START + (_nr)) 86 #define S3C2410_GPD(_nr) (S3C2410_GPIO_D_START + (_nr)) 87 #define S3C2410_GPE(_nr) (S3C2410_GPIO_E_START + (_nr)) 88 #define S3C2410_GPF(_nr) (S3C2410_GPIO_F_START + (_nr)) 89 #define S3C2410_GPG(_nr) (S3C2410_GPIO_G_START + (_nr)) 90 #define S3C2410_GPH(_nr) (S3C2410_GPIO_H_START + (_nr)) 91 #define S3C2410_GPJ(_nr) (S3C2410_GPIO_J_START + (_nr)) 92 #define S3C2410_GPK(_nr) (S3C2410_GPIO_K_START + (_nr)) 93 #define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr)) 94 #define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr)) 95 96 #ifdef CONFIG_CPU_S3C244X 97 #define S3C_GPIO_END (S3C2410_GPJ(0) + 32) 98 #elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416) 99 #define S3C_GPIO_END (S3C2410_GPM(0) + 32) 100 #else 101 #define S3C_GPIO_END (S3C2410_GPH(0) + 32) 102 #endif 103 104 #endif /* GPIO_SAMSUNG_S3C24XX_H */ 105