2 * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
4 * SPDX-License-Identifier: GPL-2.0+
6 #ifndef __ASM_ARCH_MXC_MXC_I2C_H__
7 #define __ASM_ARCH_MXC_MXC_I2C_H__
8 #include <asm/imx-common/iomux-v3.h>
11 iomux_v3_cfg_t i2c_mode;
12 iomux_v3_cfg_t gpio_mode;
17 struct i2c_pads_info {
18 struct i2c_pin_ctrl scl;
19 struct i2c_pin_ctrl sda;
22 #if defined(CONFIG_MX6QDL)
23 #define I2C_PADS(name, scl_i2c, scl_gpio, scl_gp, sda_i2c, sda_gpio, sda_gp) \
24 struct i2c_pads_info mx6q_##name = { \
26 .i2c_mode = MX6Q_##scl_i2c, \
27 .gpio_mode = MX6Q_##scl_gpio, \
31 .i2c_mode = MX6Q_##sda_i2c, \
32 .gpio_mode = MX6Q_##sda_gpio, \
36 struct i2c_pads_info mx6s_##name = { \
38 .i2c_mode = MX6DL_##scl_i2c, \
39 .gpio_mode = MX6DL_##scl_gpio, \
43 .i2c_mode = MX6DL_##sda_i2c, \
44 .gpio_mode = MX6DL_##sda_gpio, \
50 #define I2C_PADS_INFO(name) \
51 (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D)) ? \
52 &mx6q_##name : &mx6s_##name
55 int setup_i2c(unsigned i2c_index, int speed, int slave_addr,
56 struct i2c_pads_info *p);
57 void bus_i2c_init(void *base, int speed, int slave_addr,
58 int (*idle_bus_fn)(void *p), void *p);
59 int bus_i2c_read(void *base, uchar chip, uint addr, int alen, uchar *buf,
61 int bus_i2c_write(void *base, uchar chip, uint addr, int alen,
62 const uchar *buf, int len);