1 /* SPDX-License-Identifier: GPL-2.0 */ 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 11 #ifndef GPIO_SAMSUNG_S3C64XX_H 12 #define GPIO_SAMSUNG_S3C64XX_H 13 14 #ifdef CONFIG_GPIO_SAMSUNG 15 16 /* GPIO bank sizes */ 17 #define S3C64XX_GPIO_A_NR (8) 18 #define S3C64XX_GPIO_B_NR (7) 19 #define S3C64XX_GPIO_C_NR (8) 20 #define S3C64XX_GPIO_D_NR (5) 21 #define S3C64XX_GPIO_E_NR (5) 22 #define S3C64XX_GPIO_F_NR (16) 23 #define S3C64XX_GPIO_G_NR (7) 24 #define S3C64XX_GPIO_H_NR (10) 25 #define S3C64XX_GPIO_I_NR (16) 26 #define S3C64XX_GPIO_J_NR (12) 27 #define S3C64XX_GPIO_K_NR (16) 28 #define S3C64XX_GPIO_L_NR (15) 29 #define S3C64XX_GPIO_M_NR (6) 30 #define S3C64XX_GPIO_N_NR (16) 31 #define S3C64XX_GPIO_O_NR (16) 32 #define S3C64XX_GPIO_P_NR (15) 33 #define S3C64XX_GPIO_Q_NR (9) 34 35 /* GPIO bank numbes */ 36 37 /* CONFIG_S3C_GPIO_SPACE allows the user to select extra 38 * space for debugging purposes so that any accidental 39 * change from one gpio bank to another can be caught. 40 */ 41 42 #define S3C64XX_GPIO_NEXT(__gpio) \ 43 ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1) 44 45 enum s3c_gpio_number { 46 S3C64XX_GPIO_A_START = 0, 47 S3C64XX_GPIO_B_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_A), 48 S3C64XX_GPIO_C_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_B), 49 S3C64XX_GPIO_D_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_C), 50 S3C64XX_GPIO_E_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_D), 51 S3C64XX_GPIO_F_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_E), 52 S3C64XX_GPIO_G_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_F), 53 S3C64XX_GPIO_H_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_G), 54 S3C64XX_GPIO_I_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_H), 55 S3C64XX_GPIO_J_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_I), 56 S3C64XX_GPIO_K_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_J), 57 S3C64XX_GPIO_L_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_K), 58 S3C64XX_GPIO_M_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_L), 59 S3C64XX_GPIO_N_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_M), 60 S3C64XX_GPIO_O_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_N), 61 S3C64XX_GPIO_P_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_O), 62 S3C64XX_GPIO_Q_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_P), 63 }; 64 65 /* S3C64XX GPIO number definitions. */ 66 67 #define S3C64XX_GPA(_nr) (S3C64XX_GPIO_A_START + (_nr)) 68 #define S3C64XX_GPB(_nr) (S3C64XX_GPIO_B_START + (_nr)) 69 #define S3C64XX_GPC(_nr) (S3C64XX_GPIO_C_START + (_nr)) 70 #define S3C64XX_GPD(_nr) (S3C64XX_GPIO_D_START + (_nr)) 71 #define S3C64XX_GPE(_nr) (S3C64XX_GPIO_E_START + (_nr)) 72 #define S3C64XX_GPF(_nr) (S3C64XX_GPIO_F_START + (_nr)) 73 #define S3C64XX_GPG(_nr) (S3C64XX_GPIO_G_START + (_nr)) 74 #define S3C64XX_GPH(_nr) (S3C64XX_GPIO_H_START + (_nr)) 75 #define S3C64XX_GPI(_nr) (S3C64XX_GPIO_I_START + (_nr)) 76 #define S3C64XX_GPJ(_nr) (S3C64XX_GPIO_J_START + (_nr)) 77 #define S3C64XX_GPK(_nr) (S3C64XX_GPIO_K_START + (_nr)) 78 #define S3C64XX_GPL(_nr) (S3C64XX_GPIO_L_START + (_nr)) 79 #define S3C64XX_GPM(_nr) (S3C64XX_GPIO_M_START + (_nr)) 80 #define S3C64XX_GPN(_nr) (S3C64XX_GPIO_N_START + (_nr)) 81 #define S3C64XX_GPO(_nr) (S3C64XX_GPIO_O_START + (_nr)) 82 #define S3C64XX_GPP(_nr) (S3C64XX_GPIO_P_START + (_nr)) 83 #define S3C64XX_GPQ(_nr) (S3C64XX_GPIO_Q_START + (_nr)) 84 85 /* the end of the S3C64XX specific gpios */ 86 #define S3C64XX_GPIO_END (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) 87 #define S3C_GPIO_END S3C64XX_GPIO_END 88 89 /* define the number of gpios we need to the one after the GPQ() range */ 90 #define GPIO_BOARD_START (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) 91 92 #endif /* GPIO_SAMSUNG */ 93 #endif /* GPIO_SAMSUNG_S3C64XX_H */ 94 95