tegra114_spi.h 1.5 KB

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  1. /*
  2. * NVIDIA Tegra SPI controller
  3. *
  4. * Copyright 2010-2013 NVIDIA Corporation
  5. *
  6. * This software may be used and distributed according to the
  7. * terms of the GNU Public License, Version 2, incorporated
  8. * herein by reference.
  9. *
  10. * This program is free software; you can redistribute it and/or
  11. * modify it under the terms of the GNU General Public License
  12. * Version 2 as published by the Free Software Foundation.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22. * MA 02111-1307 USA
  23. */
  24. #ifndef _TEGRA114_SPI_H_
  25. #define _TEGRA114_SPI_H_
  26. #include <asm/types.h>
  27. int tegra114_spi_init(int *node_list, int count);
  28. int tegra114_spi_cs_is_valid(unsigned int bus, unsigned int cs);
  29. struct spi_slave *tegra114_spi_setup_slave(unsigned int bus, unsigned int cs,
  30. unsigned int max_hz, unsigned int mode);
  31. void tegra114_spi_free_slave(struct spi_slave *slave);
  32. int tegra114_spi_claim_bus(struct spi_slave *slave);
  33. void tegra114_spi_cs_activate(struct spi_slave *slave);
  34. void tegra114_spi_cs_deactivate(struct spi_slave *slave);
  35. int tegra114_spi_xfer(struct spi_slave *slave, unsigned int bitlen,
  36. const void *data_out, void *data_in, unsigned long flags);
  37. #endif /* _TEGRA114_SPI_H_ */