2 * NVIDIA Tegra SPI controller
4 * Copyright 2010-2013 NVIDIA Corporation
6 * This software may be used and distributed according to the
7 * terms of the GNU Public License, Version 2, incorporated
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.
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.
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,
25 #ifndef _TEGRA114_SPI_H_
26 #define _TEGRA114_SPI_H_
28 #include <asm/types.h>
30 int tegra114_spi_init(int *node_list, int count);
31 int tegra114_spi_cs_is_valid(unsigned int bus, unsigned int cs);
32 struct spi_slave *tegra114_spi_setup_slave(unsigned int bus, unsigned int cs,
33 unsigned int max_hz, unsigned int mode);
34 void tegra114_spi_free_slave(struct spi_slave *slave);
35 int tegra114_spi_claim_bus(struct spi_slave *slave);
36 void tegra114_spi_cs_activate(struct spi_slave *slave);
37 void tegra114_spi_cs_deactivate(struct spi_slave *slave);
38 int tegra114_spi_xfer(struct spi_slave *slave, unsigned int bitlen,
39 const void *data_out, void *data_in, unsigned long flags);
41 #endif /* _TEGRA114_SPI_H_ */