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 | |