u-boot-brain/board/samsung/common/multi_i2c.c
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

50 lines
870 B
C

/*
* Copyright (C) 2012 Samsung Electronics
* Lukasz Majewski <l.majewski@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <i2c.h>
/* Handle multiple I2C buses instances */
int get_multi_scl_pin(void)
{
unsigned int bus = I2C_GET_BUS();
switch (bus) {
case I2C_0: /* I2C_0 definition - compatibility layer */
case I2C_5:
return CONFIG_SOFT_I2C_I2C5_SCL;
case I2C_9:
return CONFIG_SOFT_I2C_I2C9_SCL;
default:
printf("I2C_%d not supported!\n", bus);
};
return 0;
}
int get_multi_sda_pin(void)
{
unsigned int bus = I2C_GET_BUS();
switch (bus) {
case I2C_0: /* I2C_0 definition - compatibility layer */
case I2C_5:
return CONFIG_SOFT_I2C_I2C5_SDA;
case I2C_9:
return CONFIG_SOFT_I2C_I2C9_SDA;
default:
printf("I2C_%d not supported!\n", bus);
};
return 0;
}
int multi_i2c_init(void)
{
return 0;
}