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/*
* PCA9554 I/O port registers
*
* Copyright (c) 2023, IBM Corporation.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef PCA9554_REGS_H
#define PCA9554_REGS_H
/*
* Bits [0:1] are used to address a specific register.
*/
#define PCA9554_INPUT 0 /* read only input register */
#define PCA9554_OUTPUT 1 /* read/write pin output state */
#define PCA9554_POLARITY 2 /* Set polarity of input register */
#define PCA9554_CONFIG 3 /* Set pins as inputs our ouputs */
#endif
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