29 lines
706 B
C
29 lines
706 B
C
/* Copyright 2017 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* NPCX-specific I2C module for Chrome EC */
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#ifndef __CROS_EC_I2C_CHIP_H
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#define __CROS_EC_I2C_CHIP_H
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/**
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* Select specific i2c port connected to i2c controller.
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*
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* @parm port I2C port
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*/
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void i2c_select_port(int port);
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/*
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* Due to we couldn't support GPIO reading when IO is selected I2C, we need
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* to distingulish which mode we used currently.
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*
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* @parm port I2C port
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*
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* @return 0: i2c ports are selected to pins. 1: GPIOs are selected to pins.
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*/
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int i2c_is_raw_mode(int port);
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#endif /* __CROS_EC_I2C_CHIP_H */
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