| Ajay Bhargav | 9dfd7ed | 2011-08-22 17:57:38 +0530 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2011 |
| 3 | * eInfochips Ltd. <www.einfochips.com> |
| 4 | * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com> |
| 5 | * |
| 6 | * (C) Copyright 2010 |
| 7 | * Marvell Semiconductor <www.marvell.com> |
| 8 | * |
| Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 9 | * SPDX-License-Identifier: GPL-2.0+ |
| Ajay Bhargav | 9dfd7ed | 2011-08-22 17:57:38 +0530 | [diff] [blame] | 10 | */ |
| 11 | |
| 12 | #ifndef _ASM_ARCH_GPIO_H |
| 13 | #define _ASM_ARCH_GPIO_H |
| 14 | |
| 15 | #include <asm/types.h> |
| 16 | #include <asm/arch/armada100.h> |
| 17 | |
| 18 | #define GPIO_HIGH 1 |
| 19 | #define GPIO_LOW 0 |
| 20 | |
| 21 | #define GPIO_TO_REG(gp) (gp >> 5) |
| 22 | #define GPIO_TO_BIT(gp) (1 << (gp & 0x1F)) |
| 23 | #define GPIO_VAL(gp, val) ((val >> (gp & 0x1F)) & 0x01) |
| 24 | |
| 25 | static inline void *get_gpio_base(int bank) |
| 26 | { |
| 27 | const unsigned int offset[4] = {0, 4, 8, 0x100}; |
| 28 | /* gpio register bank offset - refer Appendix A.36 */ |
| 29 | return (struct gpio_reg *)(ARMD1_GPIO_BASE + offset[bank]); |
| 30 | } |
| 31 | |
| 32 | #endif /* _ASM_ARCH_GPIO_H */ |