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i2c: designware: add an implement i2c protos

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Include the i2c header and change the non confirming
functions to do so.

Cc: Heiko Schocher <hs@denx.de>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
Acked-by: Heiko Schocher <hs@denx.de>
[trini: Fix i2c_get_bus_num prototype]
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Jeroen Hofstee 2014-10-08 22:58:09 +02:00 committed by Tom Rini
parent 7b8119ddf5
commit c69ecd9722
1 changed files with 15 additions and 10 deletions
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25
drivers/i2c/designware_i2c.c
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@ -8,6 +8,7 @@
#include <common.h>
#include <asm/io.h>
#include "designware_i2c.h"
#include <i2c.h>
#ifdef CONFIG_I2C_MULTI_BUS
static unsigned int bus_initialized[CONFIG_SYS_I2C_BUS_MAX];
@ -76,16 +77,20 @@ static void set_speed(int i2c_spd)
*
* Set the i2c speed.
*/
int i2c_set_bus_speed(int speed)
int i2c_set_bus_speed(unsigned int speed)
{
if (speed >= I2C_MAX_SPEED)
set_speed(IC_SPEED_MODE_MAX);
else if (speed >= I2C_FAST_SPEED)
set_speed(IC_SPEED_MODE_FAST);
else
set_speed(IC_SPEED_MODE_STANDARD);
int i2c_spd;
return 0;
if (speed >= I2C_MAX_SPEED)
i2c_spd = IC_SPEED_MODE_MAX;
else if (speed >= I2C_FAST_SPEED)
i2c_spd = IC_SPEED_MODE_FAST;
else
i2c_spd = IC_SPEED_MODE_STANDARD;
set_speed(i2c_spd);
return i2c_spd;
}
/*
@ -93,7 +98,7 @@ int i2c_set_bus_speed(int speed)
*
* Gets the i2c speed.
*/
int i2c_get_bus_speed(void)
unsigned int i2c_get_bus_speed(void)
{
u32 cntl;
@ -429,7 +434,7 @@ int i2c_set_bus_num(unsigned int bus)
return 0;
}
int i2c_get_bus_num(void)
unsigned int i2c_get_bus_num(void)
{
return current_bus;
}