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spi: Add SuperH HSPI prototype driver

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This patch adds SuperH HSPI driver.
It is still prototype driver, but has enough function at this point.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Kuninori Morimoto 2012-03-01 17:10:17 -08:00 • committed by Grant Likely
parent ffbbdd2132
commit d1c8bbd793
4 changed files with 405 additions and 0 deletions
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34
include/linux/spi/sh_hspi.h Normal file
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/*
* Copyright (C) 2011 Kuninori Morimoto
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SH_HSPI_H
#define SH_HSPI_H
/*
* flags
*
*
*/
#define SH_HSPI_CLK_DIVC(d) (d & 0xFF)
#define SH_HSPI_FBS (1 << 8)
#define SH_HSPI_CLKP_HIGH (1 << 9) /* default LOW */
#define SH_HSPI_IDIV_DIV128 (1 << 10) /* default div16 */
struct sh_hspi_info {
u32 flags;
};
#endif