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