3 * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 /* Converts a GPIO port number and the internal bit position
30 #define MXC_GPIO_PORT_TO_NUM(port, bit) (((port - 1) << 5) + (bit & 0x1f))
32 enum mxc_gpio_direction {
33 MXC_GPIO_DIRECTION_IN,
34 MXC_GPIO_DIRECTION_OUT,
37 #ifdef CONFIG_MXC_GPIO
38 extern int mxc_gpio_direction(unsigned int gpio,
39 enum mxc_gpio_direction direction);
40 extern void mxc_gpio_set(unsigned int gpio, unsigned int value);
41 extern int mxc_gpio_get(unsigned int gpio);
43 static inline int mxc_gpio_direction(unsigned int gpio,
44 enum mxc_gpio_direction direction)
48 static inline int mxc_gpio_get(unsigned int gpio)
52 static inline void mxc_gpio_set(unsigned int gpio, unsigned int value)