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https://github.com/AsahiLinux/u-boot
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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
30 lines
801 B
C
30 lines
801 B
C
/*
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* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __ASM_ARCH_MXC_MXC_I2C_H__
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#define __ASM_ARCH_MXC_MXC_I2C_H__
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#include <asm/imx-common/iomux-v3.h>
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struct i2c_pin_ctrl {
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iomux_v3_cfg_t i2c_mode;
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iomux_v3_cfg_t gpio_mode;
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unsigned char gp;
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unsigned char spare;
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};
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struct i2c_pads_info {
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struct i2c_pin_ctrl scl;
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struct i2c_pin_ctrl sda;
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};
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void setup_i2c(unsigned i2c_index, int speed, int slave_addr,
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struct i2c_pads_info *p);
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void bus_i2c_init(void *base, int speed, int slave_addr,
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int (*idle_bus_fn)(void *p), void *p);
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int bus_i2c_read(void *base, uchar chip, uint addr, int alen, uchar *buf,
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int len);
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int bus_i2c_write(void *base, uchar chip, uint addr, int alen,
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const uchar *buf, int len);
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#endif
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