blob: e8cc68c6eafad0aa6cd4f212d9b86e9fb96d518d [file] [log] [blame]
* NVIDIA Tegra20 SPI-FLASH controller
* Copyright 2010-2012 NVIDIA Corporation
* This software may be used and distributed according to the
* terms of the GNU Public License, Version 2, incorporated
* herein by reference.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* Version 2 as published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
#ifndef _TEGRA20_SPI_H_
#define _TEGRA20_SPI_H_
#include <asm/types.h>
int tegra20_spi_cs_is_valid(unsigned int bus, unsigned int cs);
struct spi_slave *tegra20_spi_setup_slave(unsigned int bus, unsigned int cs,
unsigned int max_hz, unsigned int mode);
void tegra20_spi_free_slave(struct spi_slave *slave);
int tegra20_spi_init(int *node_list, int count);
int tegra20_spi_claim_bus(struct spi_slave *slave);
void tegra20_spi_cs_activate(struct spi_slave *slave);
void tegra20_spi_cs_deactivate(struct spi_slave *slave);
int tegra20_spi_xfer(struct spi_slave *slave, unsigned int bitlen,
const void *data_out, void *data_in, unsigned long flags);
#endif /* _TEGRA20_SPI_H_ */