1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2008 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
7 * S3C2410 - GPIO lib support
10 /* some boards require extra gpio capacity to support external
11 * devices that need GPIO.
14 #ifndef GPIO_SAMSUNG_S3C24XX_H
15 #define GPIO_SAMSUNG_S3C24XX_H
20 * GPIO sizes for various SoCs:
22 * 2410 2412 2440 2443 2416
24 * ---- ---- ---- ---- ----
41 #define S3C2410_GPIO_A_NR (32)
42 #define S3C2410_GPIO_B_NR (32)
43 #define S3C2410_GPIO_C_NR (32)
44 #define S3C2410_GPIO_D_NR (32)
45 #define S3C2410_GPIO_E_NR (32)
46 #define S3C2410_GPIO_F_NR (32)
47 #define S3C2410_GPIO_G_NR (32)
48 #define S3C2410_GPIO_H_NR (32)
49 #define S3C2410_GPIO_J_NR (32) /* technically 16. */
50 #define S3C2410_GPIO_K_NR (32) /* technically 16. */
51 #define S3C2410_GPIO_L_NR (32) /* technically 15. */
52 #define S3C2410_GPIO_M_NR (32) /* technically 2. */
54 #if CONFIG_S3C_GPIO_SPACE != 0
55 #error CONFIG_S3C_GPIO_SPACE cannot be nonzero at the moment
58 #define S3C2410_GPIO_NEXT(__gpio) \
59 ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 0)
63 enum s3c_gpio_number
{
64 S3C2410_GPIO_A_START
= 0,
65 S3C2410_GPIO_B_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_A
),
66 S3C2410_GPIO_C_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_B
),
67 S3C2410_GPIO_D_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_C
),
68 S3C2410_GPIO_E_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_D
),
69 S3C2410_GPIO_F_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_E
),
70 S3C2410_GPIO_G_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_F
),
71 S3C2410_GPIO_H_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_G
),
72 S3C2410_GPIO_J_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_H
),
73 S3C2410_GPIO_K_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_J
),
74 S3C2410_GPIO_L_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_K
),
75 S3C2410_GPIO_M_START
= S3C2410_GPIO_NEXT(S3C2410_GPIO_L
),
78 #endif /* __ASSEMBLY__ */
80 /* S3C2410 GPIO number definitions. */
82 #define S3C2410_GPA(_nr) (S3C2410_GPIO_A_START + (_nr))
83 #define S3C2410_GPB(_nr) (S3C2410_GPIO_B_START + (_nr))
84 #define S3C2410_GPC(_nr) (S3C2410_GPIO_C_START + (_nr))
85 #define S3C2410_GPD(_nr) (S3C2410_GPIO_D_START + (_nr))
86 #define S3C2410_GPE(_nr) (S3C2410_GPIO_E_START + (_nr))
87 #define S3C2410_GPF(_nr) (S3C2410_GPIO_F_START + (_nr))
88 #define S3C2410_GPG(_nr) (S3C2410_GPIO_G_START + (_nr))
89 #define S3C2410_GPH(_nr) (S3C2410_GPIO_H_START + (_nr))
90 #define S3C2410_GPJ(_nr) (S3C2410_GPIO_J_START + (_nr))
91 #define S3C2410_GPK(_nr) (S3C2410_GPIO_K_START + (_nr))
92 #define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr))
93 #define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr))
95 #ifdef CONFIG_CPU_S3C244X
96 #define S3C_GPIO_END (S3C2410_GPJ(0) + 32)
97 #elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
98 #define S3C_GPIO_END (S3C2410_GPM(0) + 32)
100 #define S3C_GPIO_END (S3C2410_GPH(0) + 32)
103 #endif /* GPIO_SAMSUNG_S3C24XX_H */