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Tom Rini83d290c2018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0 */
Peter Tysere92739d2008-12-17 16:36:21 -06002/*
3 * Copyright 2008 Extreme Engineering Solutions, Inc.
Peter Tysere92739d2008-12-17 16:36:21 -06004 */
5
6#ifndef __PCA953X_H_
7#define __PCA953X_H_
8
9#define PCA953X_IN 0x00
10#define PCA953X_OUT 0x01
11#define PCA953X_POL 0x02
12#define PCA953X_CONF 0x03
13
14#define PCA953X_OUT_LOW 0
15#define PCA953X_OUT_HIGH 1
16#define PCA953X_POL_NORMAL 0
17#define PCA953X_POL_INVERT 1
18#define PCA953X_DIR_OUT 0
19#define PCA953X_DIR_IN 1
20
21int pca953x_set_val(u8 chip, uint mask, uint data);
22int pca953x_set_pol(u8 chip, uint mask, uint data);
23int pca953x_set_dir(u8 chip, uint mask, uint data);
24int pca953x_get_val(u8 chip);
25
26#endif /* __PCA953X_H_ */