blob: 48197bc27fcb4144e7844853993a9beba55074bb [file] [log] [blame]
Allen Martin21f5b932013-03-16 18:58:13 +00001/*
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
25#ifndef _TEGRA114_SPI_H_
26#define _TEGRA114_SPI_H_
27
28#include <asm/types.h>
29
30int tegra114_spi_init(int *node_list, int count);
31int tegra114_spi_cs_is_valid(unsigned int bus, unsigned int cs);
32struct spi_slave *tegra114_spi_setup_slave(unsigned int bus, unsigned int cs,
33 unsigned int max_hz, unsigned int mode);
34void tegra114_spi_free_slave(struct spi_slave *slave);
35int tegra114_spi_claim_bus(struct spi_slave *slave);
36void tegra114_spi_cs_activate(struct spi_slave *slave);
37void tegra114_spi_cs_deactivate(struct spi_slave *slave);
38int tegra114_spi_xfer(struct spi_slave *slave, unsigned int bitlen,
39 const void *data_out, void *data_in, unsigned long flags);
40
41#endif /* _TEGRA114_SPI_H_ */