mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 18:41:03 +00:00
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/*
|
|
* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
*
|
|
* 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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
|
|
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
#ifndef __ASM_ARCH_MXC_MXC_I2C_H__
|
|
#define __ASM_ARCH_MXC_MXC_I2C_H__
|
|
#include <asm/imx-common/iomux-v3.h>
|
|
|
|
struct i2c_pin_ctrl {
|
|
iomux_v3_cfg_t i2c_mode;
|
|
iomux_v3_cfg_t gpio_mode;
|
|
unsigned char gp;
|
|
unsigned char spare;
|
|
};
|
|
|
|
struct i2c_pads_info {
|
|
struct i2c_pin_ctrl scl;
|
|
struct i2c_pin_ctrl sda;
|
|
};
|
|
|
|
void setup_i2c(unsigned i2c_index, int speed, int slave_addr,
|
|
struct i2c_pads_info *p);
|
|
void bus_i2c_init(void *base, int speed, int slave_addr,
|
|
int (*idle_bus_fn)(void *p), void *p);
|
|
int bus_i2c_read(void *base, uchar chip, uint addr, int alen, uchar *buf,
|
|
int len);
|
|
int bus_i2c_write(void *base, uchar chip, uint addr, int alen,
|
|
const uchar *buf, int len);
|
|
#endif
|