Troy Kisky | d4fdc99 | 2012-07-19 08:18:25 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. |
| 3 | * |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 4 | * SPDX-License-Identifier: GPL-2.0+ |
Troy Kisky | d4fdc99 | 2012-07-19 08:18:25 +0000 | [diff] [blame] | 5 | */ |
| 6 | #ifndef __ASM_ARCH_MXC_MXC_I2C_H__ |
| 7 | #define __ASM_ARCH_MXC_MXC_I2C_H__ |
| 8 | #include <asm/imx-common/iomux-v3.h> |
| 9 | |
| 10 | struct i2c_pin_ctrl { |
| 11 | iomux_v3_cfg_t i2c_mode; |
| 12 | iomux_v3_cfg_t gpio_mode; |
| 13 | unsigned char gp; |
| 14 | unsigned char spare; |
| 15 | }; |
| 16 | |
| 17 | struct i2c_pads_info { |
| 18 | struct i2c_pin_ctrl scl; |
| 19 | struct i2c_pin_ctrl sda; |
| 20 | }; |
| 21 | |
| 22 | void setup_i2c(unsigned i2c_index, int speed, int slave_addr, |
| 23 | struct i2c_pads_info *p); |
| 24 | void bus_i2c_init(void *base, int speed, int slave_addr, |
| 25 | int (*idle_bus_fn)(void *p), void *p); |
| 26 | int bus_i2c_read(void *base, uchar chip, uint addr, int alen, uchar *buf, |
| 27 | int len); |
| 28 | int bus_i2c_write(void *base, uchar chip, uint addr, int alen, |
| 29 | const uchar *buf, int len); |
| 30 | #endif |