Eric Lee / smarc-uboot

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include/pca953x.h 628 Bytes
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e92739d34   Peter Tyser   Add support for P... 
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  /*
   * Copyright 2008 Extreme Engineering Solutions, Inc.
   *
5b8031ccb   Tom Rini   Add more SPDX-Lic... 
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   * SPDX-License-Identifier:	GPL-2.0
e92739d34   Peter Tyser   Add support for P... 
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   */
  
  #ifndef __PCA953X_H_
  #define __PCA953X_H_
  
  #define PCA953X_IN		0x00
  #define PCA953X_OUT		0x01
  #define PCA953X_POL		0x02
  #define PCA953X_CONF		0x03
  
  #define PCA953X_OUT_LOW		0
  #define PCA953X_OUT_HIGH	1
  #define PCA953X_POL_NORMAL	0
  #define PCA953X_POL_INVERT	1
  #define PCA953X_DIR_OUT		0
  #define PCA953X_DIR_IN		1
  
  int pca953x_set_val(u8 chip, uint mask, uint data);
  int pca953x_set_pol(u8 chip, uint mask, uint data);
  int pca953x_set_dir(u8 chip, uint mask, uint data);
  int pca953x_get_val(u8 chip);
  
  #endif /* __PCA953X_H_ */