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TI: DaVinci: GPIO header file and definitions 

Some DaVinci SOC's use GPIOs to enable EMAC and DM9000.
This patch adds some definitions for GPIO registers and also adds
structures for GPIO.
A separate header file is being added so that in future we
can have a DaVinci GPIO driver similer to OMAP.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Acked-by: Tom Rix <Tom.Rix@windriver.com>
This commit is contained in:
Sandeep Paulraj 2009-09-29 10:02:38 -04:00 committed by Tom Rix
parent 95ae803afb
commit 00e1665a3c
1 changed files with 53 additions and 0 deletions
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53
include/asm-arm/arch-davinci/gpio_defs.h Normal file
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/*
* Copyright (C) 2009 Texas Instruments Incorporated
*
* 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 _GPIO_DEFS_H_
#define _GPIO_DEFS_H_
#define DAVINCI_GPIO_BINTEN 0x01C67008
#define DAVINCI_GPIO_BANK01 0x01C67010
#define DAVINCI_GPIO_BANK23 0x01C67038
#define DAVINCI_GPIO_BANK45 0x01C67060
#define DAVINCI_GPIO_BANK67 0x01C67088
struct davinci_gpio {
unsigned int dir;
unsigned int out_data;
unsigned int set_data;
unsigned int clr_data;
unsigned int in_data;
unsigned int set_rising;
unsigned int clr_rising;
unsigned int set_falling;
unsigned int clr_falling;
unsigned int intstat;
};
struct davinci_gpio_bank {
int num_gpio;
unsigned int irq_num;
unsigned int irq_mask;
unsigned long *in_use;
unsigned long base;
};
#endif