1 /* arch/arm/mach-s3c6400/include/mach/gpio.h 2 * 3 * Copyright 2008 Openmoko, Inc. 4 * Copyright 2008 Simtec Electronics 5 * http://armlinux.simtec.co.uk/ 6 * Ben Dooks <ben@simtec.co.uk> 7 * 8 * S3C6400 - GPIO lib 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 /* GPIO bank sizes */ 16 #define S3C64XX_GPIO_A_NR (8) 17 #define S3C64XX_GPIO_B_NR (7) 18 #define S3C64XX_GPIO_C_NR (8) 19 #define S3C64XX_GPIO_D_NR (5) 20 #define S3C64XX_GPIO_E_NR (5) 21 #define S3C64XX_GPIO_F_NR (16) 22 #define S3C64XX_GPIO_G_NR (7) 23 #define S3C64XX_GPIO_H_NR (10) 24 #define S3C64XX_GPIO_I_NR (16) 25 #define S3C64XX_GPIO_J_NR (12) 26 #define S3C64XX_GPIO_K_NR (16) 27 #define S3C64XX_GPIO_L_NR (15) 28 #define S3C64XX_GPIO_M_NR (6) 29 #define S3C64XX_GPIO_N_NR (16) 30 #define S3C64XX_GPIO_O_NR (16) 31 #define S3C64XX_GPIO_P_NR (15) 32 #define S3C64XX_GPIO_Q_NR (9) 33 34 /* GPIO bank numbes */ 35 36 /* CONFIG_S3C_GPIO_SPACE allows the user to select extra 37 * space for debugging purposes so that any accidental 38 * change from one gpio bank to another can be caught. 39 */ 40 41 #define S3C64XX_GPIO_NEXT(__gpio) \ 42 ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1) 43 44 enum s3c_gpio_number { 45 S3C64XX_GPIO_A_START = 0, 46 S3C64XX_GPIO_B_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_A), 47 S3C64XX_GPIO_C_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_B), 48 S3C64XX_GPIO_D_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_C), 49 S3C64XX_GPIO_E_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_D), 50 S3C64XX_GPIO_F_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_E), 51 S3C64XX_GPIO_G_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_F), 52 S3C64XX_GPIO_H_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_G), 53 S3C64XX_GPIO_I_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_H), 54 S3C64XX_GPIO_J_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_I), 55 S3C64XX_GPIO_K_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_J), 56 S3C64XX_GPIO_L_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_K), 57 S3C64XX_GPIO_M_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_L), 58 S3C64XX_GPIO_N_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_M), 59 S3C64XX_GPIO_O_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_N), 60 S3C64XX_GPIO_P_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_O), 61 S3C64XX_GPIO_Q_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_P), 62 }; 63 64 /* S3C64XX GPIO number definitions. */ 65 66 #define S3C64XX_GPA(_nr) (S3C64XX_GPIO_A_START + (_nr)) 67 #define S3C64XX_GPB(_nr) (S3C64XX_GPIO_B_START + (_nr)) 68 #define S3C64XX_GPC(_nr) (S3C64XX_GPIO_C_START + (_nr)) 69 #define S3C64XX_GPD(_nr) (S3C64XX_GPIO_D_START + (_nr)) 70 #define S3C64XX_GPE(_nr) (S3C64XX_GPIO_E_START + (_nr)) 71 #define S3C64XX_GPF(_nr) (S3C64XX_GPIO_F_START + (_nr)) 72 #define S3C64XX_GPG(_nr) (S3C64XX_GPIO_G_START + (_nr)) 73 #define S3C64XX_GPH(_nr) (S3C64XX_GPIO_H_START + (_nr)) 74 #define S3C64XX_GPI(_nr) (S3C64XX_GPIO_I_START + (_nr)) 75 #define S3C64XX_GPJ(_nr) (S3C64XX_GPIO_J_START + (_nr)) 76 #define S3C64XX_GPK(_nr) (S3C64XX_GPIO_K_START + (_nr)) 77 #define S3C64XX_GPL(_nr) (S3C64XX_GPIO_L_START + (_nr)) 78 #define S3C64XX_GPM(_nr) (S3C64XX_GPIO_M_START + (_nr)) 79 #define S3C64XX_GPN(_nr) (S3C64XX_GPIO_N_START + (_nr)) 80 #define S3C64XX_GPO(_nr) (S3C64XX_GPIO_O_START + (_nr)) 81 #define S3C64XX_GPP(_nr) (S3C64XX_GPIO_P_START + (_nr)) 82 #define S3C64XX_GPQ(_nr) (S3C64XX_GPIO_Q_START + (_nr)) 83 84 /* the end of the S3C64XX specific gpios */ 85 #define S3C64XX_GPIO_END (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) 86 #define S3C_GPIO_END S3C64XX_GPIO_END 87 88 /* define the number of gpios we need to the one after the GPQ() range */ 89 #define GPIO_BOARD_START (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) 90 91 #define BOARD_NR_GPIOS (16 + CONFIG_SAMSUNG_GPIO_EXTRA) 92 93 #define ARCH_NR_GPIOS (GPIO_BOARD_START + BOARD_NR_GPIOS) 94