include/asm-arm/arch-mx31/mx31.h

   1 /*
   2  *
   3  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   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.
  12  *
  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.
  17  *
  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,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef __ASM_ARCH_MX31_H
  25 #define __ASM_ARCH_MX31_H
  26
  27 extern u32 mx31_get_ipg_clk(void);
  28 #define imx_get_uartclk mx31_get_ipg_clk
  29 extern void mx31_gpio_mux(unsigned long mode);
  30
  31 enum mx31_gpio_direction {
  32         MX31_GPIO_DIRECTION_IN,
  33         MX31_GPIO_DIRECTION_OUT,
  34 };
  35
  36 #ifdef CONFIG_MX31_GPIO
  37 extern int mx31_gpio_direction(unsigned int gpio,
  38                                enum mx31_gpio_direction direction);
  39 extern void mx31_gpio_set(unsigned int gpio, unsigned int value);
  40 #else
  41 static inline int mx31_gpio_direction(unsigned int gpio,
  42                                       enum mx31_gpio_direction direction)
  43 {
  44         return 1;
  45 }
  46 static inline void mx31_gpio_set(unsigned int gpio, unsigned int value)
  47 {
  48 }
  49 #endif
  50
  51 void mx31_uart1_hw_init(void);
  52 void mx31_spi2_hw_init(void);
  53
  54 #endif /* __ASM_ARCH_MX31_H */