blob: b85f6a53d98b1338cb90925268fa3efc315402e2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2011
* eInfochips Ltd. <www.einfochips.com>
* Written-by: Ajay Bhargav <contact@8051projects.net>
*
* (C) Copyright 2010
* Marvell Semiconductor <www.marvell.com>
*/
#ifndef _ASM_ARCH_GPIO_H
#define _ASM_ARCH_GPIO_H
#include <asm/types.h>
#include <asm/arch/armada100.h>
#define GPIO_HIGH 1
#define GPIO_LOW 0
#define GPIO_TO_REG(gp) (gp >> 5)
#define GPIO_TO_BIT(gp) (1 << (gp & 0x1F))
#define GPIO_VAL(gp, val) ((val >> (gp & 0x1F)) & 0x01)
static inline void *get_gpio_base(int bank)
{
const unsigned int offset[4] = {0, 4, 8, 0x100};
/* gpio register bank offset - refer Appendix A.36 */
return (struct gpio_reg *)(ARMD1_GPIO_BASE + offset[bank]);
}
#endif /* _ASM_ARCH_GPIO_H */
|