xref: /OK3568_Linux_fs/kernel/include/linux/iio/dac/mcp4725.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * MCP4725 DAC driver
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2012 Peter Meerwald <pmeerw@pmeerw.net>
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef IIO_DAC_MCP4725_H_
9*4882a593Smuzhiyun #define IIO_DAC_MCP4725_H_
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /**
12*4882a593Smuzhiyun  * struct mcp4725_platform_data - MCP4725/6 DAC specific data.
13*4882a593Smuzhiyun  * @use_vref: Whether an external reference voltage on Vref pin should be used.
14*4882a593Smuzhiyun  *            Additional vref-supply must be specified when used.
15*4882a593Smuzhiyun  * @vref_buffered: Controls buffering of the external reference voltage.
16*4882a593Smuzhiyun  *
17*4882a593Smuzhiyun  * Vref related settings are available only on MCP4756. See
18*4882a593Smuzhiyun  * Documentation/devicetree/bindings/iio/dac/mcp4725.txt for more information.
19*4882a593Smuzhiyun  */
20*4882a593Smuzhiyun struct mcp4725_platform_data {
21*4882a593Smuzhiyun 	bool use_vref;
22*4882a593Smuzhiyun 	bool vref_buffered;
23*4882a593Smuzhiyun };
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #endif /* IIO_DAC_MCP4725_H_ */
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