|
|
|
/*
|
|
|
|
* Helper module for board specific I2C bus registration
|
|
|
|
*
|
|
|
|
* Copyright (C) 2009 Nokia Corporation.
|
|
|
|
*
|
|
|
|
* 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
|
|
|
|
* 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 __ASM__ARCH_OMAP_I2C_H
|
|
|
|
#define __ASM__ARCH_OMAP_I2C_H
|
|
|
|
|
|
|
|
#include <linux/i2c.h>
|
|
|
|
#include <linux/i2c-omap.h>
|
|
|
|
|
|
|
|
#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
|
|
|
|
extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
|
|
|
|
struct i2c_board_info const *info,
|
|
|
|
unsigned len);
|
|
|
|
#else
|
|
|
|
static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
|
|
|
|
struct i2c_board_info const *info,
|
|
|
|
unsigned len)
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/**
|
|
|
|
* i2c_dev_attr - OMAP I2C controller device attributes for omap_hwmod
|
|
|
|
* @fifo_depth: total controller FIFO size (in bytes)
|
|
|
|
* @flags: differences in hardware support capability
|
|
|
|
*
|
|
|
|
* @fifo_depth represents what exists on the hardware, not what is
|
|
|
|
* actually configured at runtime by the device driver.
|
|
|
|
*/
|
|
|
|
struct omap_i2c_dev_attr {
|
|
|
|
u8 fifo_depth;
|
|
|
|
u32 flags;
|
|
|
|
};
|
|
|
|
|
|
|
|
void __init omap1_i2c_mux_pins(int bus_id);
|
|
|
|
void __init omap2_i2c_mux_pins(int bus_id);
|
|
|
|
|
|
|
|
struct omap_hwmod;
|
|
|
|
int omap_i2c_reset(struct omap_hwmod *oh);
|
|
|
|
|
|
|
|
#endif /* __ASM__ARCH_OMAP_I2C_H */
|