mx31.h 1.5 KB

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  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. #ifndef __ASM_ARCH_MX31_H
  24. #define __ASM_ARCH_MX31_H
  25. extern u32 mx31_get_ipg_clk(void);
  26. extern void mx31_gpio_mux(unsigned long mode);
  27. enum mx31_gpio_direction {
  28. MX31_GPIO_DIRECTION_IN,
  29. MX31_GPIO_DIRECTION_OUT,
  30. };
  31. #ifdef CONFIG_MX31_GPIO
  32. extern int mx31_gpio_direction(unsigned int gpio,
  33. enum mx31_gpio_direction direction);
  34. extern void mx31_gpio_set(unsigned int gpio, unsigned int value);
  35. #else
  36. static inline int mx31_gpio_direction(unsigned int gpio,
  37. enum mx31_gpio_direction direction)
  38. {
  39. return 1;
  40. }
  41. static inline void mx31_gpio_set(unsigned int gpio, unsigned int value)
  42. {
  43. }
  44. #endif
  45. #endif /* __ASM_ARCH_MX31_H */