gpio.c 998 B

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  1. /*
  2. * Coldfire generic GPIO support
  3. *
  4. * (C) Copyright 2009, Steven King <sfking@fdwdc.com>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; version 2 of the License.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. */
  15. #include <linux/kernel.h>
  16. #include <linux/init.h>
  17. #include <asm/coldfire.h>
  18. #include <asm/mcfsim.h>
  19. #include <asm/mcfgpio.h>
  20. static struct mcf_gpio_chip mcf_gpio_chips[] = {
  21. MCFGPS(PP, 0, 8, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT),
  22. };
  23. static int __init mcf_gpio_init(void)
  24. {
  25. unsigned i = 0;
  26. while (i < ARRAY_SIZE(mcf_gpio_chips))
  27. (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
  28. return 0;
  29. }
  30. core_initcall(mcf_gpio_init);