board/samsung/common/multi_i2c.c

   1 /*
   2  *  Copyright (C) 2012 Samsung Electronics
   3  *  Lukasz Majewski <l.majewski@samsung.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <i2c.h>
  10
  11 /* Handle multiple I2C buses instances */
  12 int get_multi_scl_pin(void)
  13 {
  14         unsigned int bus = i2c_get_bus_num();
  15
  16         switch (bus) {
  17         case I2C_0:
  18                 return CONFIG_SOFT_I2C_I2C5_SCL;
  19         case I2C_1:
  20                 return CONFIG_SOFT_I2C_I2C9_SCL;
  21         default:
  22                 printf("I2C_%d not supported!\n", bus);
  23         };
  24
  25         return 0;
  26 }
  27
  28 int get_multi_sda_pin(void)
  29 {
  30         unsigned int bus = i2c_get_bus_num();
  31
  32         switch (bus) {
  33         case I2C_0:
  34                 return CONFIG_SOFT_I2C_I2C5_SDA;
  35         case I2C_1:
  36                 return CONFIG_SOFT_I2C_I2C9_SDA;
  37         default:
  38                 printf("I2C_%d not supported!\n", bus);
  39         };
  40
  41         return 0;
  42 }
  43
  44 int multi_i2c_init(void)
  45 {
  46         return 0;
  47 }