u-boot/include/pca9698.h
Dirk Eibach 042f9f1062 gpio: Adapt PCA9698 to standard GPIO API
Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Stefan Roese <sr@denx.de>
2011-11-18 14:04:25 +01:00

35 lines
1.2 KiB
C

/*
* (C) Copyright 2011
* Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.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 __PCA9698_H_
#define __PCA9698_H_
int pca9698_request(unsigned gpio, const char *label);
void pca9698_free(unsigned gpio);
int pca9698_direction_input(u8 addr, unsigned gpio);
int pca9698_direction_output(u8 addr, unsigned gpio, int value);
int pca9698_get_value(u8 addr, unsigned gpio);
int pca9698_set_value(u8 addr, unsigned gpio, int value);
#endif /* __PCA9698_H_ */