1/* 2 * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. 3 * 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. 8 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. 13 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. 17 */ 18#ifndef __ASM_ARCH_MXC_MXC_I2C_H__ 19#define __ASM_ARCH_MXC_MXC_I2C_H__ 20#include <asm/imx-common/iomux-v3.h> 21 22struct i2c_pin_ctrl { 23 iomux_v3_cfg_t i2c_mode; 24 iomux_v3_cfg_t gpio_mode; 25 unsigned char gp; 26 unsigned char spare; 27}; 28 29struct i2c_pads_info { 30 struct i2c_pin_ctrl scl; 31 struct i2c_pin_ctrl sda; 32}; 33 34void setup_i2c(unsigned i2c_index, int speed, int slave_addr, 35 struct i2c_pads_info *p); 36void bus_i2c_init(void *base, int speed, int slave_addr, 37 int (*idle_bus_fn)(void *p), void *p); 38int bus_i2c_read(void *base, uchar chip, uint addr, int alen, uchar *buf, 39 int len); 40int bus_i2c_write(void *base, uchar chip, uint addr, int alen, 41 const uchar *buf, int len); 42#endif 43