1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2011 4 * eInfochips Ltd. <www.einfochips.com> 5 * Written-by: Ajay Bhargav <contact@8051projects.net> 6 * 7 * (C) Copyright 2010 8 * Marvell Semiconductor <www.marvell.com> 9 */ 10 11 #ifndef _ASM_ARCH_GPIO_H 12 #define _ASM_ARCH_GPIO_H 13 14 #include <asm/types.h> 15 #include <asm/arch/armada100.h> 16 17 #define GPIO_HIGH 1 18 #define GPIO_LOW 0 19 20 #define GPIO_TO_REG(gp) (gp >> 5) 21 #define GPIO_TO_BIT(gp) (1 << (gp & 0x1F)) 22 #define GPIO_VAL(gp, val) ((val >> (gp & 0x1F)) & 0x01) 23 get_gpio_base(int bank)24static inline void *get_gpio_base(int bank) 25 { 26 const unsigned int offset[4] = {0, 4, 8, 0x100}; 27 /* gpio register bank offset - refer Appendix A.36 */ 28 return (struct gpio_reg *)(ARMD1_GPIO_BASE + offset[bank]); 29 } 30 31 #endif /* _ASM_ARCH_GPIO_H */ 32