| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2008 Simtec Electronics |
| * http://armlinux.simtec.co.uk/ |
| * Ben Dooks <ben@simtec.co.uk> |
| * |
| * S3C2410 - GPIO lib support |
| */ |
| |
| /* some boards require extra gpio capacity to support external |
| * devices that need GPIO. |
| */ |
| |
| #ifndef GPIO_SAMSUNG_S3C24XX_H |
| #define GPIO_SAMSUNG_S3C24XX_H |
| |
| /* |
| * GPIO sizes for various SoCs: |
| * |
| * 2410 2412 2440 2443 2416 |
| * 2442 |
| * ---- ---- ---- ---- ---- |
| * A 23 22 25 16 27 |
| * B 11 11 11 11 11 |
| * C 16 16 16 16 16 |
| * D 16 16 16 16 16 |
| * E 16 16 16 16 16 |
| * F 8 8 8 8 8 |
| * G 16 16 16 16 8 |
| * H 11 11 11 15 15 |
| * J -- -- 13 16 -- |
| * K -- -- -- -- 16 |
| * L -- -- -- 15 14 |
| * M -- -- -- 2 2 |
| */ |
| |
| /* GPIO bank sizes */ |
| |
| #define S3C2410_GPIO_A_NR (32) |
| #define S3C2410_GPIO_B_NR (32) |
| #define S3C2410_GPIO_C_NR (32) |
| #define S3C2410_GPIO_D_NR (32) |
| #define S3C2410_GPIO_E_NR (32) |
| #define S3C2410_GPIO_F_NR (32) |
| #define S3C2410_GPIO_G_NR (32) |
| #define S3C2410_GPIO_H_NR (32) |
| #define S3C2410_GPIO_J_NR (32) /* technically 16. */ |
| #define S3C2410_GPIO_K_NR (32) /* technically 16. */ |
| #define S3C2410_GPIO_L_NR (32) /* technically 15. */ |
| #define S3C2410_GPIO_M_NR (32) /* technically 2. */ |
| |
| #if CONFIG_S3C_GPIO_SPACE != 0 |
| #error CONFIG_S3C_GPIO_SPACE cannot be nonzero at the moment |
| #endif |
| |
| #define S3C2410_GPIO_NEXT(__gpio) \ |
| ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 0) |
| |
| #ifndef __ASSEMBLY__ |
| |
| enum s3c_gpio_number { |
| S3C2410_GPIO_A_START = 0, |
| S3C2410_GPIO_B_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_A), |
| S3C2410_GPIO_C_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_B), |
| S3C2410_GPIO_D_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_C), |
| S3C2410_GPIO_E_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_D), |
| S3C2410_GPIO_F_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_E), |
| S3C2410_GPIO_G_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_F), |
| S3C2410_GPIO_H_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_G), |
| S3C2410_GPIO_J_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_H), |
| S3C2410_GPIO_K_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_J), |
| S3C2410_GPIO_L_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_K), |
| S3C2410_GPIO_M_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_L), |
| }; |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| /* S3C2410 GPIO number definitions. */ |
| |
| #define S3C2410_GPA(_nr) (S3C2410_GPIO_A_START + (_nr)) |
| #define S3C2410_GPB(_nr) (S3C2410_GPIO_B_START + (_nr)) |
| #define S3C2410_GPC(_nr) (S3C2410_GPIO_C_START + (_nr)) |
| #define S3C2410_GPD(_nr) (S3C2410_GPIO_D_START + (_nr)) |
| #define S3C2410_GPE(_nr) (S3C2410_GPIO_E_START + (_nr)) |
| #define S3C2410_GPF(_nr) (S3C2410_GPIO_F_START + (_nr)) |
| #define S3C2410_GPG(_nr) (S3C2410_GPIO_G_START + (_nr)) |
| #define S3C2410_GPH(_nr) (S3C2410_GPIO_H_START + (_nr)) |
| #define S3C2410_GPJ(_nr) (S3C2410_GPIO_J_START + (_nr)) |
| #define S3C2410_GPK(_nr) (S3C2410_GPIO_K_START + (_nr)) |
| #define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr)) |
| #define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr)) |
| |
| #ifdef CONFIG_CPU_S3C244X |
| #define S3C_GPIO_END (S3C2410_GPJ(0) + 32) |
| #elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416) |
| #define S3C_GPIO_END (S3C2410_GPM(0) + 32) |
| #else |
| #define S3C_GPIO_END (S3C2410_GPH(0) + 32) |
| #endif |
| |
| #endif /* GPIO_SAMSUNG_S3C24XX_H */ |