2 * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 #ifndef __ASM_ARCH_MXC_MXC_I2C_H__
19 #define __ASM_ARCH_MXC_MXC_I2C_H__
20 #include <asm/imx-common/iomux-v3.h>
23 iomux_v3_cfg_t i2c_mode;
24 iomux_v3_cfg_t gpio_mode;
29 struct i2c_pads_info {
30 struct i2c_pin_ctrl scl;
31 struct i2c_pin_ctrl sda;
34 void setup_i2c(unsigned i2c_index, int speed, int slave_addr,
35 struct i2c_pads_info *p);
36 void bus_i2c_init(void *base, int speed, int slave_addr,
37 int (*idle_bus_fn)(void *p), void *p);
38 int bus_i2c_read(void *base, uchar chip, uint addr, int alen, uchar *buf,
40 int bus_i2c_write(void *base, uchar chip, uint addr, int alen,
41 const uchar *buf, int len);