xref: /OK3568_Linux_fs/u-boot/arch/arm/include/asm/arch-spear/gpio.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2012 Stefan Roese <sr@denx.de>
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __ASM_ARCH_SPEAR_GPIO_H
9*4882a593Smuzhiyun #define __ASM_ARCH_SPEAR_GPIO_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun enum gpio_direction {
12*4882a593Smuzhiyun 	GPIO_DIRECTION_IN,
13*4882a593Smuzhiyun 	GPIO_DIRECTION_OUT,
14*4882a593Smuzhiyun };
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun struct gpio_regs {
17*4882a593Smuzhiyun 	u32 gpiodata[0x100];	/* 0x000 ... 0x3fc */
18*4882a593Smuzhiyun 	u32 gpiodir;		/* 0x400 */
19*4882a593Smuzhiyun };
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #define SPEAR_GPIO_COUNT		8
22*4882a593Smuzhiyun #define DATA_REG_ADDR(gpio)		(1 << (gpio + 2))
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #endif	/* __ASM_ARCH_SPEAR_GPIO_H */
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