43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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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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