mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-01 00:49:43 +00:00
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
|
|
* Copyright (C) 2011
|
|
* Stefano Babic, DENX Software Engineering, <sbabic@denx.de>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
|
|
#ifndef __ASM_ARCH_MX25_GPIO_H
|
|
#define __ASM_ARCH_MX25_GPIO_H
|
|
|
|
/* Converts a GPIO port number and the internal bit position
|
|
* to the GPIO number
|
|
*/
|
|
#define MXC_GPIO_PORT_TO_NUM(port, bit) (((port - 1) << 5) + (bit & 0x1f))
|
|
|
|
/* GPIO registers */
|
|
struct gpio_regs {
|
|
u32 gpio_dr; /* data */
|
|
u32 gpio_dir; /* direction */
|
|
u32 psr; /* pad satus */
|
|
u32 icr1; /* interrupt config 1 */
|
|
u32 icr2; /* interrupt config 2 */
|
|
u32 imr; /* interrupt mask */
|
|
u32 isr; /* interrupt status */
|
|
u32 edge_sel; /* edge select */
|
|
};
|
|
|
|
#endif
|