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
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