xref: /linux/arch/arm/mach-s3c/gpio-samsung-s3c64xx.h (revision cbecf716ca618fd44feda6bd9a64a8179d031fc5)
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