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Viewing changes to roms/u-boot/board/samsung/common/multi_i2c.c

  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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roms/u-boot/board/samsung/common/multi_i2c.c
 
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/*
 
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 *  Copyright (C) 2012 Samsung Electronics
 
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 *  Lukasz Majewski <l.majewski@samsung.com>
 
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 *
 
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 * SPDX-License-Identifier:     GPL-2.0+
 
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 */
 
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#include <common.h>
 
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#include <i2c.h>
 
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#ifndef CONFIG_SOFT_I2C_I2C10_SCL
 
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#define CONFIG_SOFT_I2C_I2C10_SCL 0
 
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#endif
 
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#ifndef CONFIG_SOFT_I2C_I2C10_SDA
 
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#define CONFIG_SOFT_I2C_I2C10_SDA 0
 
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#endif
 
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/* Handle multiple I2C buses instances */
 
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int get_multi_scl_pin(void)
 
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{
 
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        unsigned int bus = i2c_get_bus_num();
 
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        switch (bus) {
 
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        case I2C_0:
 
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                return CONFIG_SOFT_I2C_I2C5_SCL;
 
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        case I2C_1:
 
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                return CONFIG_SOFT_I2C_I2C9_SCL;
 
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        case I2C_2:
 
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                return CONFIG_SOFT_I2C_I2C10_SCL;
 
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        default:
 
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                printf("I2C_%d not supported!\n", bus);
 
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        };
 
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        return 0;
 
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}
 
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int get_multi_sda_pin(void)
 
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{
 
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        unsigned int bus = i2c_get_bus_num();
 
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        switch (bus) {
 
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        case I2C_0:
 
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                return CONFIG_SOFT_I2C_I2C5_SDA;
 
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        case I2C_1:
 
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                return CONFIG_SOFT_I2C_I2C9_SDA;
 
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        case I2C_2:
 
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                return CONFIG_SOFT_I2C_I2C10_SDA;
 
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        default:
 
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                printf("I2C_%d not supported!\n", bus);
 
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        };
 
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        return 0;
 
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}
 
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int multi_i2c_init(void)
 
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{
 
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        return 0;
 
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}