xref: /rk3399_rockchip-uboot/include/pca9698.h (revision 042f9f106272a46214dccbe6177b11d87798351d)
1*042f9f10SDirk Eibach /*
2*042f9f10SDirk Eibach  * (C) Copyright 2011
3*042f9f10SDirk Eibach  * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
4*042f9f10SDirk Eibach  *
5*042f9f10SDirk Eibach  * See file CREDITS for list of people who contributed to this
6*042f9f10SDirk Eibach  * project.
7*042f9f10SDirk Eibach  *
8*042f9f10SDirk Eibach  * This program is free software; you can redistribute it and/or
9*042f9f10SDirk Eibach  * modify it under the terms of the GNU General Public License as
10*042f9f10SDirk Eibach  * published by the Free Software Foundation; either version 2 of
11*042f9f10SDirk Eibach  * the License, or (at your option) any later version.
12*042f9f10SDirk Eibach  *
13*042f9f10SDirk Eibach  * This program is distributed in the hope that it will be useful,
14*042f9f10SDirk Eibach  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15*042f9f10SDirk Eibach  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16*042f9f10SDirk Eibach  * GNU General Public License for more details.
17*042f9f10SDirk Eibach  *
18*042f9f10SDirk Eibach  * You should have received a copy of the GNU General Public License
19*042f9f10SDirk Eibach  * along with this program; if not, write to the Free Software
20*042f9f10SDirk Eibach  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21*042f9f10SDirk Eibach  * MA 02111-1307 USA
22*042f9f10SDirk Eibach  */
23*042f9f10SDirk Eibach 
24486cad03SDirk Eibach #ifndef __PCA9698_H_
25486cad03SDirk Eibach #define __PCA9698_H_
26486cad03SDirk Eibach 
27*042f9f10SDirk Eibach int pca9698_request(unsigned gpio, const char *label);
28*042f9f10SDirk Eibach void pca9698_free(unsigned gpio);
29*042f9f10SDirk Eibach int pca9698_direction_input(u8 addr, unsigned gpio);
30*042f9f10SDirk Eibach int pca9698_direction_output(u8 addr, unsigned gpio, int value);
31*042f9f10SDirk Eibach int pca9698_get_value(u8 addr, unsigned gpio);
32*042f9f10SDirk Eibach int pca9698_set_value(u8 addr, unsigned gpio, int value);
33486cad03SDirk Eibach 
34486cad03SDirk Eibach #endif /* __PCA9698_H_ */
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