/* * 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 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