| Troy Kisky | d4fdc99 | 2012-07-19 08:18:25 +0000 | [diff] [blame] | 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 | |
| 22 | struct 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 | |
| 29 | struct i2c_pads_info { |
| 30 | struct i2c_pin_ctrl scl; |
| 31 | struct i2c_pin_ctrl sda; |
| 32 | }; |
| 33 | |
| 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, |
| 39 | int len); |
| 40 | int bus_i2c_write(void *base, uchar chip, uint addr, int alen, |
| 41 | const uchar *buf, int len); |
| 42 | #endif |