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yaml
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r: 182985
b: refs/heads/master
c: e208c44
h: refs/heads/master
i:
  182983: e150adb
v: v3
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Srinidhi Kasagar authored and Russell King committed Feb 4, 2010
1 parent 4001306 commit 1f915ac
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2 changes: 1 addition & 1 deletion [refs]
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refs/heads/master: 8e58ed34d926d89969796a0832ab38381a4c90ed
refs/heads/master: e208c447bd728920e4f3d438a706344ea31249b9
37 changes: 37 additions & 0 deletions trunk/arch/arm/plat-nomadik/include/plat/i2c.h
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/*
* Copyright (C) 2009 ST-Ericsson
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*/
#ifndef __PLAT_I2C_H
#define __PLAT_I2C_H

enum i2c_freq_mode {
I2C_FREQ_MODE_STANDARD, /* up to 100 Kb/s */
I2C_FREQ_MODE_FAST, /* up to 400 Kb/s */
I2C_FREQ_MODE_FAST_PLUS, /* up to 1 Mb/s */
I2C_FREQ_MODE_HIGH_SPEED /* up to 3.4 Mb/s */
};

/**
* struct nmk_i2c_controller - client specific controller configuration
* @clk_freq: clock frequency for the operation mode
* @slsu: Slave data setup time in ns.
* The needed setup time for three modes of operation
* are 250ns, 100ns and 10ns respectively thus leading
* to the values of 14, 6, 2 for a 48 MHz i2c clk
* @tft: Tx FIFO Threshold in bytes
* @rft: Rx FIFO Threshold in bytes
* @sm: speed mode
*/
struct nmk_i2c_controller {
unsigned long clk_freq;
unsigned short slsu;
unsigned char tft;
unsigned char rft;
enum i2c_freq_mode sm;
};

#endif /* __PLAT_I2C_H */

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