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/* Copyright 2017 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* NXP PCA9555 I/O Port expander driver header
*/
#ifndef __CROS_EC_IOEXPANDER_PCA9555_H
#define __CROS_EC_IOEXPANDER_PCA9555_H
#include "i2c.h"
#define PCA9555_CMD_INPUT_PORT_0 0
#define PCA9555_CMD_INPUT_PORT_1 1
#define PCA9555_CMD_OUTPUT_PORT_0 2
#define PCA9555_CMD_OUTPUT_PORT_1 3
#define PCA9555_CMD_POLARITY_INVERSION_PORT_0 4
#define PCA9555_CMD_POLARITY_INVERSION_PORT_1 5
#define PCA9555_CMD_CONFIGURATION_PORT_0 6
#define PCA9555_CMD_CONFIGURATION_PORT_1 7
#define PCA9555_IO_0 BIT(0)
#define PCA9555_IO_1 BIT(1)
#define PCA9555_IO_2 BIT(2)
#define PCA9555_IO_3 BIT(3)
#define PCA9555_IO_4 BIT(4)
#define PCA9555_IO_5 BIT(5)
#define PCA9555_IO_6 BIT(6)
#define PCA9555_IO_7 BIT(7)
static inline int pca9555_read(const int port,
const uint16_t i2c_addr_flags,
int reg, int *data_ptr)
{
return i2c_read8(port, i2c_addr_flags, reg, data_ptr);
}
static inline int pca9555_write(const int port,
const uint16_t i2c_addr_flags,
int reg, int data)
{
return i2c_write8(port, i2c_addr_flags, reg, data);
}
#endif /* __CROS_EC_IOEXPANDER_PCA9555_H */
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